Analysis

  • max time kernel
    161s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 10:49

General

  • Target

    060b1b9579e7e61250d553c09facec1607e58d51123f1ca4c2a6b6aa97db4bc5.exe

  • Size

    216KB

  • MD5

    33a7acb8e12de712784463a18d4ee342

  • SHA1

    68d07e04ab0255902eedf8bccf7b4bd2e79a35b5

  • SHA256

    060b1b9579e7e61250d553c09facec1607e58d51123f1ca4c2a6b6aa97db4bc5

  • SHA512

    c3e31d523138daac18d2e1ac7bb80f0b94c4ddd5a2413817f60363cd958df28504c38cdfe601bfec348acfe1fb4e50912794ee4a1b57e63d81e12091ade2d84f

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 IoCs
  • 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 51 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\060b1b9579e7e61250d553c09facec1607e58d51123f1ca4c2a6b6aa97db4bc5.exe
    "C:\Users\Admin\AppData\Local\Temp\060b1b9579e7e61250d553c09facec1607e58d51123f1ca4c2a6b6aa97db4bc5.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\060b1b9579e7e61250d553c09facec1607e58d51123f1ca4c2a6b6aa97db4bc5.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2948
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
    1⤵
    • Checks processor information in registry
    PID:3768
  • 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:4092
  • 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:1628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    aeddbfac186ba1c339af480f6aa104c4

    SHA1

    db484da07621e48e9a4114d299f95d367a5bcf5e

    SHA256

    81cf6c56e8a61895ad06616ffd870ae0052c225669251dd355461457b6cf7c0f

    SHA512

    1d6535c80d2bebf9fad60df418cde5e5512e85bc8b36f017e29812f573a2114add4556d0873229f6c414936a3c08b728d0f814a9edc143db2f8ef3d1fffa7ca9

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

    aeddbfac186ba1c339af480f6aa104c4

    SHA1

    db484da07621e48e9a4114d299f95d367a5bcf5e

    SHA256

    81cf6c56e8a61895ad06616ffd870ae0052c225669251dd355461457b6cf7c0f

    SHA512

    1d6535c80d2bebf9fad60df418cde5e5512e85bc8b36f017e29812f573a2114add4556d0873229f6c414936a3c08b728d0f814a9edc143db2f8ef3d1fffa7ca9

  • memory/944-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB