Analysis

  • max time kernel
    139s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 03:00

General

  • Target

    18d77f871460b8b0c760d2965bc265350056f449f4d229a5e3b4867049bf2241.exe

  • Size

    92KB

  • MD5

    b6eb8f16cd609dafe310c5e033532ef8

  • SHA1

    e1c893f72847b12757a4aa5d70c23245ce62cc29

  • SHA256

    18d77f871460b8b0c760d2965bc265350056f449f4d229a5e3b4867049bf2241

  • SHA512

    14e747ead4cda8b819e8bd039b3b2c9df3cb2e7093dfab501af85f9851d449a38cf2fd7fb44fb27f574e6e5423012d94d168175edfb889ce892f9dfae3ac0a59

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18d77f871460b8b0c760d2965bc265350056f449f4d229a5e3b4867049bf2241.exe
    "C:\Users\Admin\AppData\Local\Temp\18d77f871460b8b0c760d2965bc265350056f449f4d229a5e3b4867049bf2241.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18d77f871460b8b0c760d2965bc265350056f449f4d229a5e3b4867049bf2241.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1060
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1572

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    a5cdaa0987a01d8eb4d53e70af13d758

    SHA1

    9121cee7e97ec708fb3704f998f5ec1296128dc6

    SHA256

    1df12f0d5527b518459f0b32d2bcb4afcfc10a7930fd272c3e0add87a92f7320

    SHA512

    dacb99b862837459701e0ef46bd8c9f008c3ac5e734a45e352d4b546724aac8d4d107f38fa8593fe1d97a87ccb7c3563cbbe5f3372ee36d85ea744fb4e651504

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

    MD5

    a5cdaa0987a01d8eb4d53e70af13d758

    SHA1

    9121cee7e97ec708fb3704f998f5ec1296128dc6

    SHA256

    1df12f0d5527b518459f0b32d2bcb4afcfc10a7930fd272c3e0add87a92f7320

    SHA512

    dacb99b862837459701e0ef46bd8c9f008c3ac5e734a45e352d4b546724aac8d4d107f38fa8593fe1d97a87ccb7c3563cbbe5f3372ee36d85ea744fb4e651504

  • memory/1316-55-0x0000000074B21000-0x0000000074B23000-memory.dmp

    Filesize

    8KB