Analysis

  • max time kernel
    170s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 04:14

General

  • Target

    15ba7d35a6fc91a4f787fa6dace223efad98fbe9ca7018eb09789d57d0b66c7c.exe

  • Size

    216KB

  • MD5

    45fc357aef549ba00c41bd9ddfac3f5a

  • SHA1

    00a86c5029873bbdb7225604472df4ffd5a41555

  • SHA256

    15ba7d35a6fc91a4f787fa6dace223efad98fbe9ca7018eb09789d57d0b66c7c

  • SHA512

    eeeeb3908eaa1311199182a20fb6a74d61417c94acf835340e95941d747e5291ec54b7dc8de50eadf56bbb5b76b5af6679bd7814f4c58bb61ce66b5a7e87b0f1

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 51 IoCs
  • 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\15ba7d35a6fc91a4f787fa6dace223efad98fbe9ca7018eb09789d57d0b66c7c.exe
    "C:\Users\Admin\AppData\Local\Temp\15ba7d35a6fc91a4f787fa6dace223efad98fbe9ca7018eb09789d57d0b66c7c.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15ba7d35a6fc91a4f787fa6dace223efad98fbe9ca7018eb09789d57d0b66c7c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1576
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2488
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2996
  • 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:3440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    0a11c0f967ae55baeba8e605ef33b359

    SHA1

    952dbd97420f1713bf49381b31bad06a2c89529a

    SHA256

    24b53f7c816b28edd488fecff2cd0400bbe1f0e157218a2596792c58ffca11b6

    SHA512

    1bf69c1b5b3b88216a62f035236740c5c7d271befcd13a9e2136bf1d5c902345c3b7088a834ccf618b67f379cd6d12ceeceba212db4e1f95aafbdfd873ffb02b

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

    MD5

    0a11c0f967ae55baeba8e605ef33b359

    SHA1

    952dbd97420f1713bf49381b31bad06a2c89529a

    SHA256

    24b53f7c816b28edd488fecff2cd0400bbe1f0e157218a2596792c58ffca11b6

    SHA512

    1bf69c1b5b3b88216a62f035236740c5c7d271befcd13a9e2136bf1d5c902345c3b7088a834ccf618b67f379cd6d12ceeceba212db4e1f95aafbdfd873ffb02b

  • memory/3708-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB