Analysis

  • max time kernel
    129s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    23-03-2022 09:33

General

  • Target

    fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.exe

  • Size

    104KB

  • MD5

    39355c04cb738da59753caccf1bd4dd5

  • SHA1

    c8a84f08c89965c7719d0207ca9ba6bc89da15d1

  • SHA256

    fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f

  • SHA512

    8d91282e663ff4e72a49eaecdce8173d240fcad6d8bb265aa01dc6760e65b9441f226c79b8056c1b21d3d1912abdd05cf8ae55bb5ca593cfa89b1ecf36e25248

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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\fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.exe
    "C:\Users\Admin\AppData\Local\Temp\fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1652
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\fa78da80bfee18732ee6ffb55b9fa8322f3310723273f782fc52f6e9c87b397f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3312
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    cb5ee79f9904530ae717cbe31356dfd9

    SHA1

    9456915f4245196398f01f5d1ef659f96887bc74

    SHA256

    3644b5af5af2aa2cb1b1d27c2fe02a75e2de102efbe2a3c245c2dc794808d941

    SHA512

    f0294f39fa01187058ea9f48ad6d99e0b27aacfd89b12eb1cede0c8e41ce62830ee92264e4299f6da0476ccefb3d3d6c668621bd01c5fed4bf9385cfacfa1274

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

    MD5

    cb5ee79f9904530ae717cbe31356dfd9

    SHA1

    9456915f4245196398f01f5d1ef659f96887bc74

    SHA256

    3644b5af5af2aa2cb1b1d27c2fe02a75e2de102efbe2a3c245c2dc794808d941

    SHA512

    f0294f39fa01187058ea9f48ad6d99e0b27aacfd89b12eb1cede0c8e41ce62830ee92264e4299f6da0476ccefb3d3d6c668621bd01c5fed4bf9385cfacfa1274

  • memory/984-134-0x0000000000000000-mapping.dmp

  • memory/1652-130-0x0000000000000000-mapping.dmp

  • memory/3312-133-0x0000000000000000-mapping.dmp