Analysis

  • max time kernel
    161s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:07

General

  • Target

    0e74094fe9d015752a84fef138b5aa316f7098ef22a12f87a30ea43b50515f38.exe

  • Size

    36KB

  • MD5

    3cbd26e9b5e86716bd2e2c18cda022a0

  • SHA1

    99425ae61d3c8a976bcd67728e768c26d14c63af

  • SHA256

    0e74094fe9d015752a84fef138b5aa316f7098ef22a12f87a30ea43b50515f38

  • SHA512

    f8faafe8fef370db1451f6a457144241b891c828ed4fae3b61e54d5c218be46146d817a6677964659cc9771e02b34e75073ec948be241820225ecdea3b6698eb

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\0e74094fe9d015752a84fef138b5aa316f7098ef22a12f87a30ea43b50515f38.exe
    "C:\Users\Admin\AppData\Local\Temp\0e74094fe9d015752a84fef138b5aa316f7098ef22a12f87a30ea43b50515f38.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3676
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e74094fe9d015752a84fef138b5aa316f7098ef22a12f87a30ea43b50515f38.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3856
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3036
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1220
  • 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:1260
  • 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:3560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    02fe0e4bac2e7576661971ad7ae8ba66

    SHA1

    1e9c27b6ef355e6d04be2c24858a05f4e1994b89

    SHA256

    50a4efe65f66506105dfb524a409df52bcf46b306b04f8c57cb62ca6c911d4a3

    SHA512

    59fe44487aca59a6cee2d932b6ae8dff59262974c6cd63716bb2a63db45583b36c6df72c2bedf5fa700be881b9c6a819e6803bcf3474ed4b6ad0b784e1fd536f

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

    MD5

    02fe0e4bac2e7576661971ad7ae8ba66

    SHA1

    1e9c27b6ef355e6d04be2c24858a05f4e1994b89

    SHA256

    50a4efe65f66506105dfb524a409df52bcf46b306b04f8c57cb62ca6c911d4a3

    SHA512

    59fe44487aca59a6cee2d932b6ae8dff59262974c6cd63716bb2a63db45583b36c6df72c2bedf5fa700be881b9c6a819e6803bcf3474ed4b6ad0b784e1fd536f