Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 04:45

General

  • Target

    tmpfafq4qma.exe

  • Size

    914KB

  • MD5

    685957fc8d1cb9176598abbd85f01b88

  • SHA1

    3d32596650fce3cf7687bbbc72caffc821d25887

  • SHA256

    68e7f4d2bf863ba81f7df626105d057cce0280693d8d1c6229d5a5b7a5b13ac3

  • SHA512

    f111150ea54da60ba4eed011b2acb3918a53075c45cb28f084b045bf94662e6af5f609b2f549cc38eb65d823699a5f70bca77fa5dbd864fc895c298b62f75e32

  • SSDEEP

    12288:+BfOreqYlj4XT9/VPsvkf3kLXUuq9HyBbqpqfyl0fGXJ9BqNJowksVg:QOreqYJWfqEukLEO0fG5vq7H+

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpfafq4qma.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpfafq4qma.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Solert=Get-Content 'C:\Users\Admin\AppData\Local\twinsomeness\Carl.Ste';$Tudehornene=$Solert.SubString(59503,3);.$Tudehornene($Solert)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Users\Admin\AppData\Local\Temp\Secluded.exe
        "C:\Users\Admin\AppData\Local\Temp\Secluded.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:644
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4908

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      914KB

      MD5

      685957fc8d1cb9176598abbd85f01b88

      SHA1

      3d32596650fce3cf7687bbbc72caffc821d25887

      SHA256

      68e7f4d2bf863ba81f7df626105d057cce0280693d8d1c6229d5a5b7a5b13ac3

      SHA512

      f111150ea54da60ba4eed011b2acb3918a53075c45cb28f084b045bf94662e6af5f609b2f549cc38eb65d823699a5f70bca77fa5dbd864fc895c298b62f75e32

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pzdrypgl.vfr.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\twinsomeness\Carl.Ste
      Filesize

      68KB

      MD5

      14007bbf3c87abdfd3a69719009624dd

      SHA1

      0766cab9e60ddaa8bcd341e23ba6d7be5507533c

      SHA256

      22149260143dfca383be6daedad36ebf48a522d1bc86405ef46ebfcc524bb45f

      SHA512

      80b33f204d558513d8097068f3f211700dbd91927467d388e849d455f1b4550c5b4f97f4bbd216d97a637881cdfb433dbeb56b3408c904984a619563ca3e2396

    • C:\Users\Admin\AppData\Local\twinsomeness\Unstoicises.Ost
      Filesize

      348KB

      MD5

      4fd57019fef1fb4eb7da55f6da50e886

      SHA1

      557562154ee8b7bc3797ddc9d3fd0deaa6fe18e3

      SHA256

      9c84add28c830c0d358da3e51e57253f9811aed0fa67ff8e320b7d1c6bdd8440

      SHA512

      107455b551e6caac1524934ab21cb26f4081d0c2de0e3b67cae447cc811489f8c5dc270c1b8b3f195c4160a08ad510b74b433a980257125f67bb361ac38685df

    • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\0f5007522459c86e95ffcc62f32308f1_2397ee06-28fe-4eaa-8777-f7014368c353
      Filesize

      46B

      MD5

      d898504a722bff1524134c6ab6a5eaa5

      SHA1

      e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

      SHA256

      878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

      SHA512

      26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

    • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\0f5007522459c86e95ffcc62f32308f1_2397ee06-28fe-4eaa-8777-f7014368c353
      Filesize

      46B

      MD5

      c07225d4e7d01d31042965f048728a0a

      SHA1

      69d70b340fd9f44c89adb9a2278df84faa9906b7

      SHA256

      8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

      SHA512

      23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

    • memory/644-64-0x0000000001660000-0x0000000003015000-memory.dmp
      Filesize

      25.7MB

    • memory/644-51-0x0000000000400000-0x0000000001654000-memory.dmp
      Filesize

      18.3MB

    • memory/3544-22-0x0000000005840000-0x0000000005B94000-memory.dmp
      Filesize

      3.3MB

    • memory/3544-39-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-27-0x0000000005E00000-0x0000000005E1E000-memory.dmp
      Filesize

      120KB

    • memory/3544-28-0x0000000005ED0000-0x0000000005F1C000-memory.dmp
      Filesize

      304KB

    • memory/3544-29-0x000000007361E000-0x000000007361F000-memory.dmp
      Filesize

      4KB

    • memory/3544-30-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-31-0x0000000006F10000-0x0000000006FA6000-memory.dmp
      Filesize

      600KB

    • memory/3544-32-0x0000000006390000-0x00000000063AA000-memory.dmp
      Filesize

      104KB

    • memory/3544-33-0x00000000063E0000-0x0000000006402000-memory.dmp
      Filesize

      136KB

    • memory/3544-34-0x0000000007560000-0x0000000007B04000-memory.dmp
      Filesize

      5.6MB

    • memory/3544-16-0x0000000005790000-0x00000000057F6000-memory.dmp
      Filesize

      408KB

    • memory/3544-36-0x0000000008190000-0x000000000880A000-memory.dmp
      Filesize

      6.5MB

    • memory/3544-37-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-9-0x000000007361E000-0x000000007361F000-memory.dmp
      Filesize

      4KB

    • memory/3544-40-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-15-0x0000000005720000-0x0000000005786000-memory.dmp
      Filesize

      408KB

    • memory/3544-42-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-44-0x0000000008810000-0x000000000A1C5000-memory.dmp
      Filesize

      25.7MB

    • memory/3544-45-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-46-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-47-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-48-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-14-0x0000000004B60000-0x0000000004B82000-memory.dmp
      Filesize

      136KB

    • memory/3544-13-0x0000000004F00000-0x0000000005528000-memory.dmp
      Filesize

      6.2MB

    • memory/3544-65-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-12-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB

    • memory/3544-11-0x0000000002800000-0x0000000002836000-memory.dmp
      Filesize

      216KB

    • memory/3544-10-0x0000000073610000-0x0000000073DC0000-memory.dmp
      Filesize

      7.7MB