Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 23:46

General

  • Target

    1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll

  • Size

    920KB

  • MD5

    1cfba0904f4423463f764a11a6fd4251

  • SHA1

    a00c004b4de481c921c5ad2c98dcd87724b4b0a1

  • SHA256

    30b6438b14eac5337f6d0f81997a4fce356611fc19155ae3650d5df21e894e74

  • SHA512

    cc902fe1d2206b0f584fe3c0ba3874db4189a4f226da4c54a2a632deb719bb3d58cf934b467c58ad2d0ffcdd2672aef96b79e118c17a067d05ead2e4a3879a5f

  • SSDEEP

    24576:bwWfnaVoffEQmyO378WTkvEKT9Hgce1BHboDCm:cuaq34yDWTkvvT9HgdboDC

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Blocklisted process makes network request 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:2372

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2372-0-0x00000000745E5000-0x00000000745E9000-memory.dmp
    Filesize

    16KB

  • memory/2372-1-0x0000000074500000-0x0000000074641000-memory.dmp
    Filesize

    1.3MB

  • memory/2372-3-0x0000000074500000-0x0000000074641000-memory.dmp
    Filesize

    1.3MB

  • memory/2372-4-0x0000000074500000-0x0000000074641000-memory.dmp
    Filesize

    1.3MB

  • memory/2372-6-0x00000000745E5000-0x00000000745E9000-memory.dmp
    Filesize

    16KB