Analysis

  • max time kernel
    148s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 11:56

General

  • Target

    02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe

  • Size

    35KB

  • MD5

    7c19b86413f34d9802244654b916b066

  • SHA1

    26c46ecd8744f2155fc93720e70b53432a84c16c

  • SHA256

    02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691

  • SHA512

    93cb71eecaa666451dc138772b9e57eba088338285d4aceb3c3c07bab609751734d87fb85d335efddeab3ecba2f5379d0fc1d71beed64e970550ca8f09cf0ab3

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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\02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe
    "C:\Users\Admin\AppData\Local\Temp\02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3168
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\02ecda1a613dce101b6eb84dae55be1a466cd7f8f2fc17bdf50a70b6260c2691.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:324
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3740
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3600
  • 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:3632
  • 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:2168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    6df6e21eafa4d6a8b41a21b1f209bd78

    SHA1

    253b43a82c29cf798b69184b1cb1d6293af5c4f0

    SHA256

    bd2d4bcb70a3633d4a5c7a8e0ce1206e1f096e9f303957355f6c6f8acbf2b188

    SHA512

    ef6af36da38a75f6eb955197cb0a5de65de96813a477906a7f299b054ae45bee9ddba3258e1aecffb68be028092827ccd10d8ebcd998c16a6107e83d29ce98cd

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

    6df6e21eafa4d6a8b41a21b1f209bd78

    SHA1

    253b43a82c29cf798b69184b1cb1d6293af5c4f0

    SHA256

    bd2d4bcb70a3633d4a5c7a8e0ce1206e1f096e9f303957355f6c6f8acbf2b188

    SHA512

    ef6af36da38a75f6eb955197cb0a5de65de96813a477906a7f299b054ae45bee9ddba3258e1aecffb68be028092827ccd10d8ebcd998c16a6107e83d29ce98cd