Analysis

  • max time kernel
    125s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 07:35

General

  • Target

    SFHgtxFGtB.ps1

  • Size

    35KB

  • MD5

    6a34a3dbed524eed6d73c72188418d80

  • SHA1

    6a6ee1aa6ad9d9fbd7b7112df3a5c92b83c18667

  • SHA256

    45ab4ca2483759d89bc446e6797e86489eb08cfeb3f740440a83ff6d83eb5503

  • SHA512

    6fd7dc31836db3062aea0ab2bf0c7b0c45ee188fa9f2a872de968db2635aefc404d057444ec15ffea66585f6aa8e18acf2088e9523ac9138680ef6061465db30

  • SSDEEP

    96:YdgXCdz1ArDw1DQXZB08+uFk0WK49Ms00IYY+blwIAAwIYmEYsR0KkMEIIAAYwwP:EZu

Malware Config

Signatures

  • SectopRAT

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

  • SectopRAT payload 1 IoCs
  • Sectoprat family
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\SFHgtxFGtB.ps1
    1⤵
    • Blocklisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Users\Admin\AppData\Local\Temp\26298582\updater.exe
      "C:\Users\Admin\AppData\Local\Temp\26298582\updater.exe" C:\Users\Admin\AppData\Local\Temp\26298582\rFSmigAh.dll
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:4280
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\26298582\rFSmigAh.dll

    Filesize

    1.9MB

    MD5

    bcc04f3c8f29b9533c8aff0681d4eb4f

    SHA1

    2edb98e832959106bc3e6110dfb0a20a549bdcb1

    SHA256

    d0e19b9fed36046a80ca84c68624eeed3fac491962fc121d1d7b6433006990dc

    SHA512

    dcd54ae36962e5072be4b31e20bc7d42a4ff9d90e95930f09a0cbdb6e0f7495a38409defcacf072c8c452188dbbf4863f5f8e21a24f50d36ffdae61959176cf1

  • C:\Users\Admin\AppData\Local\Temp\26298582\updater.exe

    Filesize

    872KB

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xkg1kpsv.do1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp95E6.tmp

    Filesize

    20KB

    MD5

    49693267e0adbcd119f9f5e02adf3a80

    SHA1

    3ba3d7f89b8ad195ca82c92737e960e1f2b349df

    SHA256

    d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

    SHA512

    b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

  • memory/1276-39-0x0000000006710000-0x0000000006776000-memory.dmp

    Filesize

    408KB

  • memory/1276-32-0x0000000005CB0000-0x0000000005E72000-memory.dmp

    Filesize

    1.8MB

  • memory/1276-63-0x0000000005BA0000-0x0000000005BDC000-memory.dmp

    Filesize

    240KB

  • memory/1276-62-0x0000000005B40000-0x0000000005B52000-memory.dmp

    Filesize

    72KB

  • memory/1276-61-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/1276-60-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

    Filesize

    4KB

  • memory/1276-58-0x0000000008460000-0x000000000846A000-memory.dmp

    Filesize

    40KB

  • memory/1276-26-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/1276-38-0x0000000006620000-0x000000000663E000-memory.dmp

    Filesize

    120KB

  • memory/1276-28-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

    Filesize

    4KB

  • memory/1276-29-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/1276-30-0x0000000005880000-0x0000000005912000-memory.dmp

    Filesize

    584KB

  • memory/1276-31-0x0000000005F10000-0x00000000064B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1276-37-0x0000000006AF0000-0x000000000701C000-memory.dmp

    Filesize

    5.2MB

  • memory/1276-33-0x00000000059E0000-0x0000000005A56000-memory.dmp

    Filesize

    472KB

  • memory/1276-34-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/1276-35-0x0000000005A60000-0x0000000005AB0000-memory.dmp

    Filesize

    320KB

  • memory/1276-36-0x0000000005920000-0x000000000592A000-memory.dmp

    Filesize

    40KB

  • memory/3668-13-0x00007FFE4CDD0000-0x00007FFE4D891000-memory.dmp

    Filesize

    10.8MB

  • memory/3668-27-0x00007FFE4CDD0000-0x00007FFE4D891000-memory.dmp

    Filesize

    10.8MB

  • memory/3668-0-0x00007FFE4CDD3000-0x00007FFE4CDD5000-memory.dmp

    Filesize

    8KB

  • memory/3668-40-0x00007FFE4CDD0000-0x00007FFE4D891000-memory.dmp

    Filesize

    10.8MB

  • memory/3668-10-0x000001C92F910000-0x000001C92F932000-memory.dmp

    Filesize

    136KB

  • memory/3668-21-0x00007FFE4CDD3000-0x00007FFE4CDD5000-memory.dmp

    Filesize

    8KB

  • memory/3668-19-0x00007FFE4CDD0000-0x00007FFE4D891000-memory.dmp

    Filesize

    10.8MB

  • memory/3668-11-0x00007FFE4CDD0000-0x00007FFE4D891000-memory.dmp

    Filesize

    10.8MB

  • memory/3668-12-0x00007FFE4CDD0000-0x00007FFE4D891000-memory.dmp

    Filesize

    10.8MB

  • memory/4280-22-0x0000000001710000-0x0000000001B10000-memory.dmp

    Filesize

    4.0MB