Analysis

  • max time kernel
    169s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:54

General

  • Target

    0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe

  • Size

    216KB

  • MD5

    6c0aff0924fa1afcf8003f2df1bd24a8

  • SHA1

    063c09c65cc8e5729ca41f1d5060b705e93367d4

  • SHA256

    0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463

  • SHA512

    e025b52ae1ae972e062f77eddb61967a3139235cd1bfd5122b9d518ab4ecb8ef401f02973a0f79ae6afa27ea505b5456587ed0cf09023acb5729c6dd65868403

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • 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 49 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\0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe
    "C:\Users\Admin\AppData\Local\Temp\0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1244
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c61bb713ba224f2e51f6c9a99bd2bc5947e0343d4bf70881f0edcae788c0463.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3052
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1136
  • 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:4064
  • 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:2948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    d30cbdc07d847504c2b6d494213ff9ec

    SHA1

    edac2ce45d7399dc9b6ab63aa6b4d7a47f0d0bca

    SHA256

    1e7902ba3c8e3233739ab425a8ba3d3ec7de1bfffe393501696112104b9a63cd

    SHA512

    bab34e1115b8cd5d6fda5977e7968efd8f8f021d0160d5785b6f0492b5957a221e0dc9da6476c77b29a5a70e321fa1d8bc2b4857ff90f202f6dba56e76b2a24b

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

    MD5

    d30cbdc07d847504c2b6d494213ff9ec

    SHA1

    edac2ce45d7399dc9b6ab63aa6b4d7a47f0d0bca

    SHA256

    1e7902ba3c8e3233739ab425a8ba3d3ec7de1bfffe393501696112104b9a63cd

    SHA512

    bab34e1115b8cd5d6fda5977e7968efd8f8f021d0160d5785b6f0492b5957a221e0dc9da6476c77b29a5a70e321fa1d8bc2b4857ff90f202f6dba56e76b2a24b

  • memory/1244-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1804-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB