Analysis

  • max time kernel
    182s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    07/02/2022, 15:00

General

  • Target

    a22592371750b46218243d1c9fa9b7d16aec5eab8b03d569a9487736a924962a.exe

  • Size

    13.7MB

  • MD5

    091cc904bc583bdac9bec348330a8656

  • SHA1

    432323e16d6f53b46973817f99a22f0f78ade9fe

  • SHA256

    a22592371750b46218243d1c9fa9b7d16aec5eab8b03d569a9487736a924962a

  • SHA512

    f3da33086c9ae1e9445134802acf5505cf9c3e2a1cbe6b63366cd7b16ba46aa678616ebc1e7fef87478a76434d8974a86eaa43508813d0e241062bf1c22a7932

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a22592371750b46218243d1c9fa9b7d16aec5eab8b03d569a9487736a924962a.exe
    "C:\Users\Admin\AppData\Local\Temp\a22592371750b46218243d1c9fa9b7d16aec5eab8b03d569a9487736a924962a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\65B7.tmp\65C8.bat C:\Users\Admin\AppData\Local\Temp\a22592371750b46218243d1c9fa9b7d16aec5eab8b03d569a9487736a924962a.exe"
      2⤵
        PID:1396
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3484

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/3484-134-0x0000016DD3130000-0x0000016DD3140000-memory.dmp

            Filesize

            64KB

          • memory/3484-135-0x0000016DD3190000-0x0000016DD31A0000-memory.dmp

            Filesize

            64KB

          • memory/3484-136-0x0000016DD5E90000-0x0000016DD5E94000-memory.dmp

            Filesize

            16KB