Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:34

General

  • Target

    114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe

  • Size

    764KB

  • MD5

    1e52979e2e69e3626e972952ce6353f4

  • SHA1

    f0114356fb63a3f850e9e59954b50422e9351b84

  • SHA256

    114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870

  • SHA512

    b2eec444814ba8764cee532e3e713f847bf4cf360cc73d9429d0b87275c6319332f4e03867188f4624087a5eebc59e6f553307ea5218111ed0780962b51cc6fc

  • SSDEEP

    12288:57Lb5nG9BB62Jjqnxa4vU6PaXHBgGB/uVW90vV2p12s7YbSUr3tuTNQTig4/37rG:iE2Jj34ZyXyGB/GF+cPPQiTwf7

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe
    "C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gulIhoZ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gulIhoZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp677A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2572
    • C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe
      C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe
      2⤵
        PID:2748

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Query Registry

    1
    T1012

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp677A.tmp
      Filesize

      1KB

      MD5

      0624d8733e12f94257f10646e4e89de1

      SHA1

      49404484092bc5c5f3c6b69b42813fbd6ac12577

      SHA256

      21136e697be6077874b1d107e53d23276c6ce43e9ea2dca658f05663973671c4

      SHA512

      09c5ea33cf3ec4658018dcb7ae2261c0057603c7edef4d37c37eaa0ce369dd5feadade62025e672ae5fd8886755ebf665a3174cc4b6555e59bb41a38f8e79ab6

    • memory/1756-0-0x000007FEF5573000-0x000007FEF5574000-memory.dmp
      Filesize

      4KB

    • memory/1756-1-0x00000000003C0000-0x0000000000486000-memory.dmp
      Filesize

      792KB

    • memory/1756-2-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp
      Filesize

      9.9MB

    • memory/1756-3-0x00000000003A0000-0x00000000003BC000-memory.dmp
      Filesize

      112KB

    • memory/1756-4-0x0000000000A80000-0x0000000000A94000-memory.dmp
      Filesize

      80KB

    • memory/1756-5-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp
      Filesize

      9.9MB

    • memory/1756-6-0x0000000002600000-0x0000000002680000-memory.dmp
      Filesize

      512KB

    • memory/1756-19-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp
      Filesize

      9.9MB

    • memory/2656-17-0x000000001B5A0000-0x000000001B882000-memory.dmp
      Filesize

      2.9MB

    • memory/2656-18-0x0000000002730000-0x0000000002738000-memory.dmp
      Filesize

      32KB

    • memory/2748-16-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp
      Filesize

      4KB