Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:07

General

  • Target

    114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe

  • Size

    764KB

  • MD5

    1e52979e2e69e3626e972952ce6353f4

  • SHA1

    f0114356fb63a3f850e9e59954b50422e9351b84

  • SHA256

    114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870

  • SHA512

    b2eec444814ba8764cee532e3e713f847bf4cf360cc73d9429d0b87275c6319332f4e03867188f4624087a5eebc59e6f553307ea5218111ed0780962b51cc6fc

  • SSDEEP

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

Score
9/10

Malware Config

Signatures

  • Detects executables packed with SmartAssembly 1 IoCs
  • 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:3276
    • 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:1608
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gulIhoZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp858B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3724
    • C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe
      C:\Users\Admin\AppData\Local\Temp\114a4bd115730002762c4cc9bbbc5ed53e5e036253b87fdf4bcef7647d9e8870.exe
      2⤵
        PID:3224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iblewvr2.t30.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp858B.tmp

      Filesize

      1KB

      MD5

      48054e406e9f921a96020f6f83ec8521

      SHA1

      3ba07731e635330eb7797a06fbcd7bda192cea81

      SHA256

      8ce2a4e4019b0bf029bc5882d0b668ddbec3d05bea6434a286575136c4732cc4

      SHA512

      2f021917b8a5dd9c77962c239ac6dd467f2a38f0d21be335840348af2df6553bdb0f48cff7c999c44126689a1b370dca95bd02be63e9e4c5860212185f8bddff

    • memory/1608-14-0x00007FFB83F30000-0x00007FFB849F1000-memory.dmp

      Filesize

      10.8MB

    • memory/1608-11-0x00007FFB83F30000-0x00007FFB849F1000-memory.dmp

      Filesize

      10.8MB

    • memory/1608-21-0x000001ECB5990000-0x000001ECB59B2000-memory.dmp

      Filesize

      136KB

    • memory/1608-28-0x00007FFB83F30000-0x00007FFB849F1000-memory.dmp

      Filesize

      10.8MB

    • memory/3276-3-0x00007FFB83F30000-0x00007FFB849F1000-memory.dmp

      Filesize

      10.8MB

    • memory/3276-4-0x000000001C4E0000-0x000000001C4F4000-memory.dmp

      Filesize

      80KB

    • memory/3276-5-0x000000001DA50000-0x000000001DAD0000-memory.dmp

      Filesize

      512KB

    • memory/3276-2-0x000000001C4C0000-0x000000001C4DC000-memory.dmp

      Filesize

      112KB

    • memory/3276-12-0x00007FFB83F33000-0x00007FFB83F35000-memory.dmp

      Filesize

      8KB

    • memory/3276-0-0x0000000000790000-0x0000000000856000-memory.dmp

      Filesize

      792KB

    • memory/3276-15-0x00007FFB83F30000-0x00007FFB849F1000-memory.dmp

      Filesize

      10.8MB

    • memory/3276-1-0x00007FFB83F33000-0x00007FFB83F35000-memory.dmp

      Filesize

      8KB