Analysis

  • max time kernel
    173s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 04:48

General

  • Target

    1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe

  • Size

    176KB

  • MD5

    bdf1e255ef4bf1e21100551fd49bf028

  • SHA1

    6d9274cd78a14d730b1ad4b06dd9add50f285be9

  • SHA256

    1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16

  • SHA512

    2f862c60803b8b161f92a2bebce3a3f33da015ce634bc8ef470dab0f117d4142885567b1ac87658ddc8b335dc60e26fe477bbdec47824a13a48c2562062c2153

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 50 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\1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe
    "C:\Users\Admin\AppData\Local\Temp\1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.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:2112
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1460078f1a6875972f9cae2e98f532722c53b8648f4732032242651a5d167f16.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3520
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
    1⤵
    • Checks processor information in registry
    PID:1164
  • 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:1808
  • 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:3036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    3a4bef82021105ef9a0121f69147ffc7

    SHA1

    30742b8407dbebfdba6446c781be3755cf7abbf3

    SHA256

    ac2098781d30438c1669243c043a4caa1d0a5455ef394e7bf5af7337f5291142

    SHA512

    4d4c8494e382a55d292b9b87471ecc874ac0ced6bef0ccbc1f740fe61c967e0284613143ae5fe7f9112367be06a8bcc79d297c6a74dbcbc045b408e4d7808bf3

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

    MD5

    3a4bef82021105ef9a0121f69147ffc7

    SHA1

    30742b8407dbebfdba6446c781be3755cf7abbf3

    SHA256

    ac2098781d30438c1669243c043a4caa1d0a5455ef394e7bf5af7337f5291142

    SHA512

    4d4c8494e382a55d292b9b87471ecc874ac0ced6bef0ccbc1f740fe61c967e0284613143ae5fe7f9112367be06a8bcc79d297c6a74dbcbc045b408e4d7808bf3

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

    Filesize

    128KB