Analysis

  • max time kernel
    130s
  • max time network
    131s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-05-2024 16:07

General

  • Target

    d509e1399b2d2b7e63fa606b7a6c2337f1dba88aa129f38f2d64c94cea1c2596.exe

  • Size

    455KB

  • MD5

    c592d8df384b0fa730dda4f3b486b433

  • SHA1

    d01f0fabf1e1cd1e2baecf9859ebab7fb8d32adb

  • SHA256

    d509e1399b2d2b7e63fa606b7a6c2337f1dba88aa129f38f2d64c94cea1c2596

  • SHA512

    dc6c00639dd63496ee326838f242104ceb15e53df049b318b6d6e2d5510bdab4fba6d47fb46af994e375f13554ba519a4bce78ab4e939a40ddcb0d407fd61e5b

  • SSDEEP

    6144:/kQovcEzShy9BhYyKVPJq/URCX68fELkHlVAwmN8HGPq1Mv4qb4/f:8QoUgSUAnRCL8YHLAWH9eAU4/f

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d509e1399b2d2b7e63fa606b7a6c2337f1dba88aa129f38f2d64c94cea1c2596.exe
    "C:\Users\Admin\AppData\Local\Temp\d509e1399b2d2b7e63fa606b7a6c2337f1dba88aa129f38f2d64c94cea1c2596.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Users\Admin\AppData\Local\Temp\u10c.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u10c.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 2436
        3⤵
        • Program crash
        PID:1240
    • C:\Users\Admin\AppData\Local\Temp\u10c.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u10c.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2392
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1684
    • C:\Users\Admin\AppData\Local\Temp\u10c.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u10c.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 1040
      2⤵
      • Program crash
      PID:3436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1308 -ip 1308
    1⤵
      PID:2468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3712 -ip 3712
      1⤵
        PID:3328

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      3
      T1552.001

      Discovery

      Query Registry

      3
      T1012

      System Information Discovery

      3
      T1082

      Peripheral Device Discovery

      1
      T1120

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx
        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll
        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll
        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Temp\be157879
        Filesize

        1.4MB

        MD5

        3fd30d8cc561ed88fc22d9a6e8b96348

        SHA1

        fd86a3d4af29986d864de510789ffaae39967f8f

        SHA256

        088cc731e2ab8c0bcd235d7932900ae939654e8a23b1df28455f12bb06a9e9c9

        SHA512

        f4edd4593d4a7c7213f29e244d542deda7c2a30159a358a5fdfbf091310ad64fbb739900de9b54bd685e288158f35e14f64d37d3a61279f5ac339596b0d721b6

      • C:\Users\Admin\AppData\Local\Temp\tmpF619.tmp
        Filesize

        20KB

        MD5

        a603e09d617fea7517059b4924b1df93

        SHA1

        31d66e1496e0229c6a312f8be05da3f813b3fa9e

        SHA256

        ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

        SHA512

        eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

      • C:\Users\Admin\AppData\Local\Temp\tmpF62B.tmp
        Filesize

        20KB

        MD5

        22be08f683bcc01d7a9799bbd2c10041

        SHA1

        2efb6041cf3d6e67970135e592569c76fc4c41de

        SHA256

        451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

        SHA512

        0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

      • C:\Users\Admin\AppData\Local\Temp\u10c.0.exe
        Filesize

        310KB

        MD5

        659e0a9088603b6a6be81fa4a5634203

        SHA1

        a2bc14399bbb28d7d0249c82ae9c601330bd6b2a

        SHA256

        4a4e50beb8a3705039b448a8c31064a5f9ed32a691875a5a9514625596511a95

        SHA512

        f5c2dcd0a1686fcd286f83d951c9f4659bb3d6ac813759c4914f13025e0f1dd25f6572e32e982ab3e5a85bc0297156e23441a0bb3fdb25a19fe7010b0eea522b

      • C:\Users\Admin\AppData\Local\Temp\u10c.1.zip
        Filesize

        1.6MB

        MD5

        9bb67e904ac371b5ffd143f8fb54e1e2

        SHA1

        58009e463133af8b89b59716fe255b118eca872c

        SHA256

        44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

        SHA512

        573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

      • C:\Users\Admin\AppData\Local\Temp\u10c.2\ASUS_WMI.dll
        Filesize

        224KB

        MD5

        3f109a02c8d642e8003a1188df40d861

        SHA1

        f723f38471b8872443aa9177eef12a96c02cc84a

        SHA256

        6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

        SHA512

        023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

      • C:\Users\Admin\AppData\Local\Temp\u10c.2\ATKEX.dll
        Filesize

        84KB

        MD5

        e68562f63265e1a70881446b4b9dc455

        SHA1

        da16ef9367bde3ce892b1a0e33bc179d8acdceb3

        SHA256

        c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

        SHA512

        6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

      • C:\Users\Admin\AppData\Local\Temp\u10c.2\AsIO.dll
        Filesize

        120KB

        MD5

        f383f6f4e764619bd19e319335d3ef2b

        SHA1

        99f287e49a15e495b4ead8e5589364a5f87b357e

        SHA256

        03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

        SHA512

        6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

      • C:\Users\Admin\AppData\Local\Temp\u10c.2\doubled.doc
        Filesize

        1.2MB

        MD5

        f344794dc910dc343f92ded2c6b5e0ab

        SHA1

        e5878518ce55ce5bd1890d5e04a82eb22d5a848a

        SHA256

        3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

        SHA512

        ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

      • C:\Users\Admin\AppData\Local\Temp\u10c.2\protactinium.log
        Filesize

        84KB

        MD5

        a276acc3fd657d7665bd4ddce8fb9749

        SHA1

        c02642eec3f4e8b0314045ee95e0a15abd853ea8

        SHA256

        6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

        SHA512

        178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

      • C:\Users\Admin\AppData\Local\Temp\u10c.2\run.exe
        Filesize

        446KB

        MD5

        485008b43f0edceba0e0d3ca04bc1c1a

        SHA1

        55ae8f105af415bb763d1b87f6572f078052877c

        SHA256

        12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

        SHA512

        402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

      • C:\Users\Admin\AppData\Local\Temp\u10c.3.exe
        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/800-284-0x00000294AD160000-0x00000294AD16C000-memory.dmp
        Filesize

        48KB

      • memory/800-273-0x00000294A8740000-0x00000294A8A40000-memory.dmp
        Filesize

        3.0MB

      • memory/800-291-0x00000294AD230000-0x00000294AD24E000-memory.dmp
        Filesize

        120KB

      • memory/800-285-0x00000294AD200000-0x00000294AD222000-memory.dmp
        Filesize

        136KB

      • memory/800-283-0x00000294AD1B0000-0x00000294AD200000-memory.dmp
        Filesize

        320KB

      • memory/800-280-0x00000294AD940000-0x00000294ADE68000-memory.dmp
        Filesize

        5.2MB

      • memory/800-279-0x00000294AD3F0000-0x00000294AD412000-memory.dmp
        Filesize

        136KB

      • memory/800-278-0x00000294AD3E0000-0x00000294AD3EA000-memory.dmp
        Filesize

        40KB

      • memory/800-277-0x00000294ACA50000-0x00000294ACA5E000-memory.dmp
        Filesize

        56KB

      • memory/800-276-0x00000294ACA80000-0x00000294ACAB8000-memory.dmp
        Filesize

        224KB

      • memory/800-275-0x00000294AD140000-0x00000294AD148000-memory.dmp
        Filesize

        32KB

      • memory/800-269-0x00000294A85C0000-0x00000294A85CA000-memory.dmp
        Filesize

        40KB

      • memory/800-267-0x00000294A85E0000-0x00000294A8642000-memory.dmp
        Filesize

        392KB

      • memory/800-255-0x000002948A150000-0x000002948DA48000-memory.dmp
        Filesize

        57.0MB

      • memory/800-257-0x00000294A81B0000-0x00000294A82C0000-memory.dmp
        Filesize

        1.1MB

      • memory/800-261-0x00000294A8170000-0x00000294A8194000-memory.dmp
        Filesize

        144KB

      • memory/800-260-0x000002948F870000-0x000002948F884000-memory.dmp
        Filesize

        80KB

      • memory/800-259-0x000002948F880000-0x000002948F88C000-memory.dmp
        Filesize

        48KB

      • memory/800-258-0x000002948DEC0000-0x000002948DED0000-memory.dmp
        Filesize

        64KB

      • memory/800-268-0x00000294A86C0000-0x00000294A8736000-memory.dmp
        Filesize

        472KB

      • memory/800-263-0x00000294A8190000-0x00000294A819A000-memory.dmp
        Filesize

        40KB

      • memory/800-264-0x00000294A8450000-0x00000294A8502000-memory.dmp
        Filesize

        712KB

      • memory/800-265-0x00000294A8510000-0x00000294A853A000-memory.dmp
        Filesize

        168KB

      • memory/800-266-0x00000294A8540000-0x00000294A85BA000-memory.dmp
        Filesize

        488KB

      • memory/1308-183-0x0000000000400000-0x0000000001A3C000-memory.dmp
        Filesize

        22.2MB

      • memory/1308-2-0x0000000003780000-0x00000000037ED000-memory.dmp
        Filesize

        436KB

      • memory/1308-3-0x0000000000400000-0x0000000000470000-memory.dmp
        Filesize

        448KB

      • memory/1308-185-0x0000000003780000-0x00000000037ED000-memory.dmp
        Filesize

        436KB

      • memory/1308-184-0x0000000000400000-0x0000000000470000-memory.dmp
        Filesize

        448KB

      • memory/1308-1-0x0000000001DE0000-0x0000000001EE0000-memory.dmp
        Filesize

        1024KB

      • memory/1456-254-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1456-242-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1684-303-0x0000000005550000-0x00000000055A0000-memory.dmp
        Filesize

        320KB

      • memory/1684-305-0x0000000006580000-0x0000000006AAC000-memory.dmp
        Filesize

        5.2MB

      • memory/1684-307-0x00000000061B0000-0x0000000006216000-memory.dmp
        Filesize

        408KB

      • memory/1684-306-0x00000000060E0000-0x00000000060FE000-memory.dmp
        Filesize

        120KB

      • memory/1684-304-0x00000000053D0000-0x00000000053DA000-memory.dmp
        Filesize

        40KB

      • memory/1684-302-0x0000000005470000-0x00000000054E6000-memory.dmp
        Filesize

        472KB

      • memory/1684-301-0x0000000005720000-0x00000000058E2000-memory.dmp
        Filesize

        1.8MB

      • memory/1684-300-0x00000000059A0000-0x0000000005F46000-memory.dmp
        Filesize

        5.6MB

      • memory/1684-295-0x00000000717D0000-0x0000000072AE7000-memory.dmp
        Filesize

        19.1MB

      • memory/1684-298-0x0000000000BB0000-0x0000000000C76000-memory.dmp
        Filesize

        792KB

      • memory/1684-299-0x0000000005310000-0x00000000053A2000-memory.dmp
        Filesize

        584KB

      • memory/2392-262-0x0000000072CD0000-0x0000000072E4D000-memory.dmp
        Filesize

        1.5MB

      • memory/2392-240-0x00007FF96D9C0000-0x00007FF96DBC9000-memory.dmp
        Filesize

        2.0MB

      • memory/3160-159-0x0000000072CD0000-0x0000000072E4D000-memory.dmp
        Filesize

        1.5MB

      • memory/3160-213-0x0000000072CD0000-0x0000000072E4D000-memory.dmp
        Filesize

        1.5MB

      • memory/3160-160-0x00007FF96D9C0000-0x00007FF96DBC9000-memory.dmp
        Filesize

        2.0MB

      • memory/3712-293-0x0000000000400000-0x0000000001A18000-memory.dmp
        Filesize

        22.1MB

      • memory/3712-239-0x0000000000400000-0x0000000001A18000-memory.dmp
        Filesize

        22.1MB

      • memory/3712-16-0x0000000000400000-0x0000000001A18000-memory.dmp
        Filesize

        22.1MB

      • memory/3712-17-0x0000000000400000-0x0000000001A18000-memory.dmp
        Filesize

        22.1MB

      • memory/3712-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB