Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2024, 04:07

General

  • Target
    2aecb65265f0a90c3b680b952c5faa47_JaffaCakes118.dll
  • Size 346KB
  • Sample240708-eppqqs1hkl
  • SHA256 d8f77d33668aec0c7fcb452004bb4c00acefe109c7aef49f250d252f6133c926
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch1

C2
  • 84.232.229.24:80

  • 51.255.203.164:8080

  • 217.160.169.110:8080

  • 51.15.7.145:80

  • 177.85.167.10:80

  • 186.177.174.163:80

  • 190.114.254.163:8080

  • 185.183.16.47:80

  • 149.202.72.142:7080

  • 181.30.61.163:443

  • 31.27.59.105:80

  • 50.28.51.143:8080

  • 68.183.190.199:8080

  • 85.214.26.7:8080

  • 137.74.106.111:7080

  • 200.75.39.254:80

  • 85.105.239.184:443

  • 190.45.24.210:80

  • 170.81.48.2:80

  • 109.101.137.162:8080

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2aecb65265f0a90c3b680b952c5faa47_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3756
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2aecb65265f0a90c3b680b952c5faa47_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3940
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Jgjey\wydg.ehr",VHzDlU
        3⤵
        • Loads dropped DLL
        PID:556

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        wydg.ehr

        • Path C:\Windows\SysWOW64\Jgjey\wydg.ehr
        • Size 346KB
        • SHA256 d8f77d33668aec0c7fcb452004bb4c00acefe109c7aef49f250d252f6133c926
        • MD5 SHA1 SHA512 SSDEEP

        memory/3940-0-0x0000000002090000-0x00000000020B1000-memory.dmp

        memory/3940-1-0x0000000010000000-0x0000000010024000-memory.dmp

        memory/3940-3-0x0000000010000000-0x0000000010024000-memory.dmp