Analysis

  • max time kernel
    155s
  • max time network
    175s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 22:51

General

  • Target

    d2a627abb4e73e3e0b479e4da45c10751992f5c438aa10b18a7a94e2481e1828.exe

  • Size

    79KB

  • MD5

    aca2756917024c859d1f13ca1cdcb843

  • SHA1

    eb95ecbf4e382aba4fd02862dfcb69a2a839324d

  • SHA256

    d2a627abb4e73e3e0b479e4da45c10751992f5c438aa10b18a7a94e2481e1828

  • SHA512

    d2437eb2a47fb2671a16be8e0cd74f6aa77b7548eccd768b9f0b16b19e080eb462d73ddf967d0da0735bf5b2e8a2819185092efc1c789fd18116cb615f081dda

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\d2a627abb4e73e3e0b479e4da45c10751992f5c438aa10b18a7a94e2481e1828.exe
    "C:\Users\Admin\AppData\Local\Temp\d2a627abb4e73e3e0b479e4da45c10751992f5c438aa10b18a7a94e2481e1828.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\d2a627abb4e73e3e0b479e4da45c10751992f5c438aa10b18a7a94e2481e1828.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    c1773724ec9a626f35d3cf3d1e7e96b5

    SHA1

    b1da687d1cb3aa9d554b7ee2f1507a09eda5579e

    SHA256

    f062aa51294b912266f82abea31e9f07136a3336fbdcc7c90703f78f97ca839f

    SHA512

    a1d489967365f4d2f3e314a7325f66eb1f16f60e0a38e3d937f613d09e4b79b0c5f813857cfc41ee543ddee060cc2b5f8358d3cf0959b1289c603e052ab97113

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

    MD5

    c1773724ec9a626f35d3cf3d1e7e96b5

    SHA1

    b1da687d1cb3aa9d554b7ee2f1507a09eda5579e

    SHA256

    f062aa51294b912266f82abea31e9f07136a3336fbdcc7c90703f78f97ca839f

    SHA512

    a1d489967365f4d2f3e314a7325f66eb1f16f60e0a38e3d937f613d09e4b79b0c5f813857cfc41ee543ddee060cc2b5f8358d3cf0959b1289c603e052ab97113