Analysis

  • max time kernel
    130s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 07:34

General

  • Target

    0d3b419504247fe96b08bbb72179e84820e91f78884cea31f788363c1d7173c1.exe

  • Size

    80KB

  • MD5

    a8d13fe5e45b3cbf69ab27f2c05c3ace

  • SHA1

    aff6529597d9bace733359b65731e49aefa892fe

  • SHA256

    0d3b419504247fe96b08bbb72179e84820e91f78884cea31f788363c1d7173c1

  • SHA512

    07f4ec01ad56aa3cc21f7ab35366c98f265800598f8e193e7837bf5baf5a0743fb6152a7910447377ceca3c66642467ffa24aaeb047316947f68bc4e69358435

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
  • 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\0d3b419504247fe96b08bbb72179e84820e91f78884cea31f788363c1d7173c1.exe
    "C:\Users\Admin\AppData\Local\Temp\0d3b419504247fe96b08bbb72179e84820e91f78884cea31f788363c1d7173c1.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1440
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d3b419504247fe96b08bbb72179e84820e91f78884cea31f788363c1d7173c1.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4708
  • 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:1740
  • 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:2352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    7ffccb489ff9b951d0cf80047c6e9c6f

    SHA1

    22209acc26a956ceb82d76e62c8dc5289f105ae0

    SHA256

    be6360d94d81341cb4697fcabd53ac8e87fb1555eb97509288160353d98cba8b

    SHA512

    13f285cf78e36e89f2ea87d88804ce7c6bdc7bf84479351e320b5a3eed7efd7009a5e442caea065a183400ca58009966cbeb620d19f41f497ea8d3a41ba91117

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

    MD5

    7ffccb489ff9b951d0cf80047c6e9c6f

    SHA1

    22209acc26a956ceb82d76e62c8dc5289f105ae0

    SHA256

    be6360d94d81341cb4697fcabd53ac8e87fb1555eb97509288160353d98cba8b

    SHA512

    13f285cf78e36e89f2ea87d88804ce7c6bdc7bf84479351e320b5a3eed7efd7009a5e442caea065a183400ca58009966cbeb620d19f41f497ea8d3a41ba91117

  • memory/1740-134-0x000001071D980000-0x000001071D990000-memory.dmp

    Filesize

    64KB

  • memory/1740-135-0x000001071E160000-0x000001071E170000-memory.dmp

    Filesize

    64KB

  • memory/1740-136-0x0000010720D60000-0x0000010720D64000-memory.dmp

    Filesize

    16KB