Analysis

  • max time kernel
    118s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 16:51

General

  • Target

    EBC4B354D6EC654829F9DE447D0C7B04.exe

  • Size

    839KB

  • MD5

    ebc4b354d6ec654829f9de447d0c7b04

  • SHA1

    9e5d3ccae0d22bd27f8ae39b2f35b274dabd7fd1

  • SHA256

    80923a0d7111b0a1fa4326e3a9a0d9ecb7ce66e276f8672aa79e2b5d99473fab

  • SHA512

    1cb3487cf2f1864d22d3148b30ecf70794567af3a84c9ba5f2d16b5dac38017347c4efb92e4978ebfe57588c5883a2ebe4af33e83eaafad99de202548fd0048e

  • SSDEEP

    24576:3CIQgVHOEqG7111cZRHVzutBSRhmG5ep:yAH1KL1zwBSRhmAI

Malware Config

Extracted

Family

xworm

Version

5.0

C2

79.110.49.209:7000

Mutex

biVc5L0dNUTxuebk

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

redline

Botnet

X3.0 Foundry

C2

79.110.49.209:37552

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 2 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • SectopRAT

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

  • SectopRAT payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EBC4B354D6EC654829F9DE447D0C7B04.exe
    "C:\Users\Admin\AppData\Local\Temp\EBC4B354D6EC654829F9DE447D0C7B04.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGUAZgB5ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGIAYgB4ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHkAYgB6ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGEAcwBsACMAPgA="
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Users\Admin\AppData\Roaming\X3 Libraries.exe
      "C:\Users\Admin\AppData\Roaming\X3 Libraries.exe"
      2⤵
      • Executes dropped EXE
      PID:3044
    • C:\Users\Admin\AppData\Roaming\X3 Foundry.exe
      "C:\Users\Admin\AppData\Roaming\X3 Foundry.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\X3 Foundry.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1208
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X3 Foundry.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:300
    • C:\Users\Admin\AppData\Roaming\X3.exe
      "C:\Users\Admin\AppData\Roaming\X3.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      PID:2672

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

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

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    9aa4c9ed619337251a2cbd5e5d131d4f

    SHA1

    e1942140ee272665526d0b49daac7d270f45269b

    SHA256

    e7d5a4cf1320a412a9f48708cb6ac6702086a7d2a739e030c003ad60f2a4dbb5

    SHA512

    70982b79882a16d69294de1659e4b3c8a38d7cfff22cb1fdce0597be1e85c163565999ff2de7ad6cd0b502b0a76c6b8234bc7bd9fe0b4aa68cfd50ed910cb12a

  • C:\Users\Admin\AppData\Local\Temp\Cab2B66.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar2C38.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MI5E3R4XGFXS2C6VR48G.temp
    Filesize

    7KB

    MD5

    77dedfd4093821441e622db4a71826c2

    SHA1

    a2df66dfa0a27136c5cd4ba69bb3a4ad223084cd

    SHA256

    5028e0adb07011205e09876edb4d3c08db31bf3081d7dfaebd544f354e6830af

    SHA512

    3304c044fd284ef66067fac5d9b64c64d4aa6aa0891a919162d75d115292f629952cad390237add34913cb9866eadeffc8e5186ea9f93c108e73dfda790a67dd

  • \??\PIPE\srvsvc
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Roaming\X3 Foundry.exe
    Filesize

    37KB

    MD5

    481dfe8fc19890a677c7824c60f721e8

    SHA1

    5db87becad1d847643fc853206feb3b33236dcd1

    SHA256

    3fb3f5a0edfedb7b6d05fe45f499df151d0b4b474c86f886ddc497106b6aefe5

    SHA512

    edf8d07242f349bc96d9b583641556019c6b11478794a6243786b814fed99d3778df74ede6d5e745038880a64abfc1a5537cb9fc03f42e835319487aa4f11e74

  • \Users\Admin\AppData\Roaming\X3 Libraries.exe
    Filesize

    701KB

    MD5

    17a4fe963bfec0ddadd74c1f39e8fd8f

    SHA1

    a857e89e506074bfedc937dc62fb1aa9e63e3281

    SHA256

    364492be3bc6462856177bb67acfc98ab80b751e22fd07d441fbcdc89754534e

    SHA512

    5aba4065f5c44163b4b9f479135d2e4c358bdc8ec273ac7acab0b40743633d0711d19999c019ddf991d428bb337b7840c29bc5ed093439758456d0272b9b7c9d

  • \Users\Admin\AppData\Roaming\X3.exe
    Filesize

    95KB

    MD5

    7875166307500da488a1618d9790e14c

    SHA1

    94219d3929064c36a1a60dd0a0b82c67f1038f4a

    SHA256

    1a328c71452450974247cf6126bbde1b1ab459bb1c6f56cc6f4c5626b8c9d386

    SHA512

    2ffacea5b936fe99d17c46c3a24450a1b95d0cb84c355a7deec6080b8f4fb6ec442280ea953621a20bac379d0b7f11e9ff18a489a0eee0cb1bb3366ea3ba9d4f

  • memory/300-37-0x000000001B770000-0x000000001BA52000-memory.dmp
    Filesize

    2.9MB

  • memory/300-38-0x0000000001E70000-0x0000000001E78000-memory.dmp
    Filesize

    32KB

  • memory/1208-31-0x00000000027F0000-0x00000000027F8000-memory.dmp
    Filesize

    32KB

  • memory/1208-30-0x000000001B550000-0x000000001B832000-memory.dmp
    Filesize

    2.9MB

  • memory/2568-24-0x0000000000990000-0x00000000009A0000-memory.dmp
    Filesize

    64KB

  • memory/2568-116-0x000000001D6A0000-0x000000001D7C0000-memory.dmp
    Filesize

    1.1MB

  • memory/2568-117-0x00000000022E0000-0x00000000022EE000-memory.dmp
    Filesize

    56KB

  • memory/2568-141-0x00000000022F0000-0x00000000022FE000-memory.dmp
    Filesize

    56KB

  • memory/2568-142-0x000000001E6E0000-0x000000001EA30000-memory.dmp
    Filesize

    3.3MB

  • memory/2672-22-0x0000000000860000-0x000000000087E000-memory.dmp
    Filesize

    120KB

  • memory/3044-23-0x0000000000CC0000-0x0000000000D76000-memory.dmp
    Filesize

    728KB