Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2024, 07:41

General

  • Target
    88aab34a1fc0f5eb595dc14d0888a010N.exe
  • Size 1.2MB
  • Sample240807-jjbddavdnn
  • SHA256 315da1cf9792d9f6d75e8a1c3a36836b65f8497b090d9e596850d49b383a54e6
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe
    "C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k takeown /f c:\windows\system32\hal.dll && icacls c:\windows\system32\hal.dll /grant Everyone:(F) && del /f c:\windows\system32\hal.dll && exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:828
      • C:\Windows\system32\takeown.exe
        takeown /f c:\windows\system32\hal.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:4324
      • C:\Windows\system32\icacls.exe
        icacls c:\windows\system32\hal.dll /grant Everyone:(F)
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1336

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/3876-0-0x00007FF6E26C0000-0x00007FF6E285F000-memory.dmp

        memory/3876-1-0x00007FF6E26C0000-0x00007FF6E285F000-memory.dmp