Resubmissions

24-02-2022 11:03

220224-m5yycachb2 10

30-09-2021 12:29

210930-pnxeashfh6 8

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-20220223-en
  • submitted
    24-02-2022 11:03

General

  • Target

    7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe

  • Size

    150KB

  • MD5

    202ca1b19f8ecc7e648043485ff91082

  • SHA1

    df4be15599023beca2a24de920199fcd88f1f034

  • SHA256

    7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452

  • SHA512

    8ae627b9e0ba4d79b31bf4f36db947374f3904e405f77b293f2bb2fa6b87afb69cc0b694db661dc2d53b0f51bf2e2a60053628dabc99363c74c4f70cf1bc1554

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\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe
    "C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3820
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4000

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    7ffc865c64e066720e06f9ad470921c4

    SHA1

    b41ed28089ab1b7b4d3937eedce13a2632989c3a

    SHA256

    c6d5b8381789a66072437613499ee791737f4e09e1558b723745cd3f844316b1

    SHA512

    a3b14a7fe34650b54d7ca2a922ed136e22c567191fc6425e7fb69230b330e159a7048e4a29dd5accd438523c42d865fd2c296ce1a81fbed77164cf7cd6b284a0

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    7ffc865c64e066720e06f9ad470921c4

    SHA1

    b41ed28089ab1b7b4d3937eedce13a2632989c3a

    SHA256

    c6d5b8381789a66072437613499ee791737f4e09e1558b723745cd3f844316b1

    SHA512

    a3b14a7fe34650b54d7ca2a922ed136e22c567191fc6425e7fb69230b330e159a7048e4a29dd5accd438523c42d865fd2c296ce1a81fbed77164cf7cd6b284a0