Analysis

  • max time kernel
    183s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 11:30

General

  • Target

    0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe

  • Size

    216KB

  • MD5

    83bf2fbc4432622355df91491c51e197

  • SHA1

    33cd5b9c6076e049faf40c3b8f3871813335cf54

  • SHA256

    0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d

  • SHA512

    54523d5c78a0ed5f2c77c3904114890bf80e19a301b3e264862a70f1afa47662655defec157eb27759a9ec196b016f2eacdc160948cef610ee22cb708f430657

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 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\0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe
    "C:\Users\Admin\AppData\Local\Temp\0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0435f1cbbae0ceddb656cfccf80ac2847a2af083376bf6f0d5bff0ceb6030d3d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1768
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3312
  • 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:228
  • 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:3252

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    e72a87cb50d2f0d7904bf186eff711a1

    SHA1

    b39c9b610ced15d4b4896d9db4a09fbf3440ee99

    SHA256

    0dff4d2f9d7bbd159fcb73be339e7763676d3049805ed7a95d038d907a2d6711

    SHA512

    b2a360239f7c2c00b616e25a51eb5ab191e326ecc0fa92b33f58beead05800ca9700f837da3b12d7faac73f00ffbbd2946b3d57e6509639f79492139b84ff3a1

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

    e72a87cb50d2f0d7904bf186eff711a1

    SHA1

    b39c9b610ced15d4b4896d9db4a09fbf3440ee99

    SHA256

    0dff4d2f9d7bbd159fcb73be339e7763676d3049805ed7a95d038d907a2d6711

    SHA512

    b2a360239f7c2c00b616e25a51eb5ab191e326ecc0fa92b33f58beead05800ca9700f837da3b12d7faac73f00ffbbd2946b3d57e6509639f79492139b84ff3a1

  • memory/2024-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB