Analysis

  • max time kernel
    163s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 05:25

General

  • Target

    12ce6ea6ac87b8e427ae99bf85b6473a6c4b68ab5462e9fbb741350a0b773207.exe

  • Size

    60KB

  • MD5

    ff0b9561b6d4fd95691220e522d07beb

  • SHA1

    d4524e79a1dfd170c1bad51b7408d37532c4ad6f

  • SHA256

    12ce6ea6ac87b8e427ae99bf85b6473a6c4b68ab5462e9fbb741350a0b773207

  • SHA512

    52cbda774082e1ca47e2a4d5b0742c1d07167546d7d7ad1ebf7236d8e713cce9f0f0847834212bdd0a57b0b51770e98e36101abd38819beaa482ee63ce5129bf

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 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\12ce6ea6ac87b8e427ae99bf85b6473a6c4b68ab5462e9fbb741350a0b773207.exe
    "C:\Users\Admin\AppData\Local\Temp\12ce6ea6ac87b8e427ae99bf85b6473a6c4b68ab5462e9fbb741350a0b773207.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12ce6ea6ac87b8e427ae99bf85b6473a6c4b68ab5462e9fbb741350a0b773207.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3740
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:372
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:396
  • 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:1176
  • 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:1588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    0d58be52204aa5c590b735da830fd294

    SHA1

    d5abb5bfc18860d26ff550272c6dfeb0fb919fcf

    SHA256

    bc86b1804d8a19e666b973ae624021ec54f7f1f6cb19af45e2f2fe149ae8f377

    SHA512

    6abb04606ccd7a8bae13232c50ad88cb5fb40165de44125cc290efd587e29a852aee1365f8d1f68e283a795db915f7b14acd86d8772e5b35d4d7981018dc5c2f

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

    MD5

    0d58be52204aa5c590b735da830fd294

    SHA1

    d5abb5bfc18860d26ff550272c6dfeb0fb919fcf

    SHA256

    bc86b1804d8a19e666b973ae624021ec54f7f1f6cb19af45e2f2fe149ae8f377

    SHA512

    6abb04606ccd7a8bae13232c50ad88cb5fb40165de44125cc290efd587e29a852aee1365f8d1f68e283a795db915f7b14acd86d8772e5b35d4d7981018dc5c2f