Analysis

  • max time kernel
    155s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 02:48

General

  • Target

    196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe

  • Size

    216KB

  • MD5

    7e10cd107fca950481ea7af44ac9cf8d

  • SHA1

    2246b9685fe7da0e6dcb3b5dfb3c07bfc6a31338

  • SHA256

    196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6

  • SHA512

    e372b0b8c770da85415962567afac0445869916b4b8f94bc569703ce2e4e24961a13447d55bbfde3dd3c29ea39d76a66827d30c698cb39513c3171e06eabc82b

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 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 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\196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe
    "C:\Users\Admin\AppData\Local\Temp\196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2244
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\196ae92bf17a68a2acf4d459fbb01930ca515975ff7aaaa041a9900ec26692e6.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3888
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3704
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1836
  • 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:3292
  • 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:1040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    a48619767b677ba2cbaa312c5e512dd5

    SHA1

    80ba9ee31a03674c503575be57826e1fdabfb6a0

    SHA256

    5da89abf0a23a36ee04eb9347514286ce2402483a8644f67b21dd3019bfd683a

    SHA512

    e310890934b61620f6683a63e91a443c0c8fe67b50cea37e2556121ae81f28644fa353c724f4e150673a195322a61e69605b3f8360742720027777a8557c272d

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

    MD5

    a48619767b677ba2cbaa312c5e512dd5

    SHA1

    80ba9ee31a03674c503575be57826e1fdabfb6a0

    SHA256

    5da89abf0a23a36ee04eb9347514286ce2402483a8644f67b21dd3019bfd683a

    SHA512

    e310890934b61620f6683a63e91a443c0c8fe67b50cea37e2556121ae81f28644fa353c724f4e150673a195322a61e69605b3f8360742720027777a8557c272d

  • memory/1364-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB