Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3668
    • 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:4980
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gulIhoZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BD5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2756
    • C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe
      C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe
      2⤵
        PID:2820

    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

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ci4xw55i.rcm.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8BD5.tmp
      Filesize

      1KB

      MD5

      67b9c50eaf6511a8cffaa9a8d4fb5a47

      SHA1

      68565a0070503da1c99107353fc541909dbd16f1

      SHA256

      d888c016f2e0a32b6f069fa8bbf452a8c278d4035123117f054a0383140d21b6

      SHA512

      ba238f78a818acb0b576115647b563f44498e6fe48080d5b8da829803ff2b49d162a025e71a7aef62ed3896749993ef43321b2ea1fe97bd292fa189791a67a8e

    • memory/3668-2-0x00000000034D0000-0x00000000034EC000-memory.dmp
      Filesize

      112KB

    • memory/3668-3-0x00007FF8E4850000-0x00007FF8E5311000-memory.dmp
      Filesize

      10.8MB

    • memory/3668-4-0x0000000003450000-0x0000000003464000-memory.dmp
      Filesize

      80KB

    • memory/3668-5-0x000000001DBD0000-0x000000001DC50000-memory.dmp
      Filesize

      512KB

    • memory/3668-0-0x00007FF8E4853000-0x00007FF8E4855000-memory.dmp
      Filesize

      8KB

    • memory/3668-1-0x00000000008C0000-0x0000000000986000-memory.dmp
      Filesize

      792KB

    • memory/3668-24-0x00007FF8E4850000-0x00007FF8E5311000-memory.dmp
      Filesize

      10.8MB

    • memory/4980-11-0x00007FF8E4850000-0x00007FF8E5311000-memory.dmp
      Filesize

      10.8MB

    • memory/4980-21-0x00000216D4F20000-0x00000216D4F42000-memory.dmp
      Filesize

      136KB

    • memory/4980-23-0x00007FF8E4850000-0x00007FF8E5311000-memory.dmp
      Filesize

      10.8MB

    • memory/4980-25-0x00007FF8E4850000-0x00007FF8E5311000-memory.dmp
      Filesize

      10.8MB

    • memory/4980-28-0x00007FF8E4850000-0x00007FF8E5311000-memory.dmp
      Filesize

      10.8MB