Analysis

  • max time kernel
    154s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 10:12

General

  • Target

    07dc9c532f71af234aba1b6fd603f3575814d480e799a8a1e48bac73ae6c0a5f.exe

  • Size

    35KB

  • MD5

    6763b2540316402146274a0c48ed9a7b

  • SHA1

    c4e18b033167afa85bd843521eb106d86f2b2ac2

  • SHA256

    07dc9c532f71af234aba1b6fd603f3575814d480e799a8a1e48bac73ae6c0a5f

  • SHA512

    301b8c069fdb755e724da4ed4e464d90e4b7c899f058162bb039792461df77a156e9404dbfef4c6cbed8a0731af016fde08343b29897c846f1a3802eadc7bc26

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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
  • Drops file in Windows directory 8 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 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07dc9c532f71af234aba1b6fd603f3575814d480e799a8a1e48bac73ae6c0a5f.exe
    "C:\Users\Admin\AppData\Local\Temp\07dc9c532f71af234aba1b6fd603f3575814d480e799a8a1e48bac73ae6c0a5f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1716
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07dc9c532f71af234aba1b6fd603f3575814d480e799a8a1e48bac73ae6c0a5f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1708
  • 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:368
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    a1885a8f5426b3a720e2aefe75e7f96e

    SHA1

    9ecb756fb9d5eb19674aeb11d4b7a048c2bd72b9

    SHA256

    37d680dfb8b542124ca2f881d2030e98cafd35622d8efa1672be4bc019f632f7

    SHA512

    78c08cfca7cc43797f4d91577da45361072cf493c7b42441ec8c7d840ebe30b5cb70eebde158dad3e7f35218d0a7406d645e00a043c6c2b6130199890cbe9321

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

    a1885a8f5426b3a720e2aefe75e7f96e

    SHA1

    9ecb756fb9d5eb19674aeb11d4b7a048c2bd72b9

    SHA256

    37d680dfb8b542124ca2f881d2030e98cafd35622d8efa1672be4bc019f632f7

    SHA512

    78c08cfca7cc43797f4d91577da45361072cf493c7b42441ec8c7d840ebe30b5cb70eebde158dad3e7f35218d0a7406d645e00a043c6c2b6130199890cbe9321

  • memory/368-132-0x0000014046370000-0x0000014046380000-memory.dmp
    Filesize

    64KB

  • memory/368-133-0x0000014046920000-0x0000014046930000-memory.dmp
    Filesize

    64KB

  • memory/368-134-0x0000014048FF0000-0x0000014048FF4000-memory.dmp
    Filesize

    16KB