Analysis

  • max time kernel
    173s
  • max time network
    194s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22-01-2022 00:48

General

  • Target

    1b073f476d1e04f9b1a29198cbe060e244e0c42c8c1f7f1344acc2dc7eeb5059.exe

  • Size

    79KB

  • MD5

    bf35690e72a3fbd66ff721bd14a6599e

  • SHA1

    593452f51af494137acf75c3eb6e5c6f103e7c61

  • SHA256

    1b073f476d1e04f9b1a29198cbe060e244e0c42c8c1f7f1344acc2dc7eeb5059

  • SHA512

    27dc6cab98ae03bacb5f00c21b4476af56c32065503775e157729e3074a4877671e46cde30badf3883d36b4831ed9586eda4401e6e093852991d424a5397f7c2

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b073f476d1e04f9b1a29198cbe060e244e0c42c8c1f7f1344acc2dc7eeb5059.exe
    "C:\Users\Admin\AppData\Local\Temp\1b073f476d1e04f9b1a29198cbe060e244e0c42c8c1f7f1344acc2dc7eeb5059.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3868
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1b073f476d1e04f9b1a29198cbe060e244e0c42c8c1f7f1344acc2dc7eeb5059.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3456
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    MD5

    e7be4154c6e4fbc3a2ef554c6bd9fb70

    SHA1

    f758d6dfd3c55eb8fa123a7c7a6050ca410a7f26

    SHA256

    ead632d16c2e21ffdabe2c795f6c661c63660330376b1a23897b25cdcc2dd6d8

    SHA512

    43fbc15fd4205656dc2cbbec148e0987823385a396eb3d5020ac0b54400ac88e2141ea058fcc09b6de0eb59300912a7f845864677654f199ce69d6b454e5d300

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    MD5

    e7be4154c6e4fbc3a2ef554c6bd9fb70

    SHA1

    f758d6dfd3c55eb8fa123a7c7a6050ca410a7f26

    SHA256

    ead632d16c2e21ffdabe2c795f6c661c63660330376b1a23897b25cdcc2dd6d8

    SHA512

    43fbc15fd4205656dc2cbbec148e0987823385a396eb3d5020ac0b54400ac88e2141ea058fcc09b6de0eb59300912a7f845864677654f199ce69d6b454e5d300