Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2023 01:35

General

  • Target

    NEAS.b7f5edce3547da45966a78dea9d6ba90_JC.exe

  • Size

    38KB

  • MD5

    b7f5edce3547da45966a78dea9d6ba90

  • SHA1

    85ad447a9456a5ec344ea6b6557722904d5497f0

  • SHA256

    919b7ab3ae3534b5f996d231b269f9d1e72830a17d96cd350ce320c3ad5cd6aa

  • SHA512

    a9d6db8cef21464008d078d5e042899a26046fb3ff88d253be341d02100bcebf55e5b18f6858ee9d75a9620a2a76817c5105c92eb991f2a6036d927b8ed2f74f

  • SSDEEP

    768:u7Xezc/T6Zp14hyYtoVxYF9mHF1yD3BmNV5:a6zqhyYtkYWI3Bm

Malware Config

Extracted

Family

sakula

C2

http://www.we11point.com:443/view.asp?cookie=%s&type=%d&vid=%d

http://www.we11point.com:443/photo/%s.jpg?vid=%d

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.b7f5edce3547da45966a78dea9d6ba90_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.b7f5edce3547da45966a78dea9d6ba90_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4164
      • C:\Windows\SysWOW64\reg.exe
        reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:2188
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4000
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\NEAS.b7f5edce3547da45966a78dea9d6ba90_JC.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    38KB

    MD5

    01a8cc7a5505cf93139b167ffa1b94ac

    SHA1

    68f1c2a2475c76d6ba9f9ad0240842102b3b865c

    SHA256

    42b47508eba7ea09cc6a2967404bb7520626307d469e575d446f48581aa1023e

    SHA512

    131f1481b53194c17a02c480434beb58bb74a3a88c569166753366926039964c7cd791138beda20906c8a9829b3451464ca1c79388ca93ab48380c3059127913

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

    38KB

    MD5

    01a8cc7a5505cf93139b167ffa1b94ac

    SHA1

    68f1c2a2475c76d6ba9f9ad0240842102b3b865c

    SHA256

    42b47508eba7ea09cc6a2967404bb7520626307d469e575d446f48581aa1023e

    SHA512

    131f1481b53194c17a02c480434beb58bb74a3a88c569166753366926039964c7cd791138beda20906c8a9829b3451464ca1c79388ca93ab48380c3059127913

  • memory/224-0-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/224-1-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/224-2-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/224-7-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB