Analysis

  • max time kernel
    155s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 09:51

General

  • Target

    08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe

  • Size

    176KB

  • MD5

    68fea6090a26a4ef12d4f6a2906fd06d

  • SHA1

    1318f5d33e6d1b757205c8264a80f5d1534f4339

  • SHA256

    08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d

  • SHA512

    8941f567d003644055c742903a9c62c3c8ffca0a126dcce17782cecd3ce5766dc938a3e8b00c044e3419493cca322e2598578e56be0306bccef68e4a53e68144

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\08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe
    "C:\Users\Admin\AppData\Local\Temp\08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1192
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08dd3825c08adb2e823c1a4f12c039234b5d942ea31bba3f218c7fbd14f96c6d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:504
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3904
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1576
  • 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:1924
  • 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:3840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    2516e1fc232800845129a0505300680e

    SHA1

    340c01428e8167d4b5f4dd8b3a920c9e17293333

    SHA256

    0b6087e3966333272ab773c724853bbf1e3380cfcd1e08f951209a2172b1c640

    SHA512

    4d768f45c465e92707893bfa639a1756756b82d23c3e6bf95e4b917ea2ceadd1a381b2dc1584bf9235450fd5b6efe23f51d0fdac775dd04c5c5ac4333afdb2ef

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

    2516e1fc232800845129a0505300680e

    SHA1

    340c01428e8167d4b5f4dd8b3a920c9e17293333

    SHA256

    0b6087e3966333272ab773c724853bbf1e3380cfcd1e08f951209a2172b1c640

    SHA512

    4d768f45c465e92707893bfa639a1756756b82d23c3e6bf95e4b917ea2ceadd1a381b2dc1584bf9235450fd5b6efe23f51d0fdac775dd04c5c5ac4333afdb2ef

  • memory/452-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB