dridex | 5458f569dc0a88492695bfbb4d5af206a3d576959bdcef03a142cceac2723f9a

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 13:02

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General

Target
e4fcdb98b30f6a062b5c28b3a5a815c0_JaffaCakes118.dll
Size 188KB
Sample240407-p92adadf27
SHA256 5458f569dc0a88492695bfbb4d5af206a3d576959bdcef03a142cceac2723f9a
MD5 e4fcdb98b30f6a062b5c28b3a5a815c0
SHA1 222e7402337ed399117bc0b1b5cdee03c2ffc816
SHA512 3adf198ac318a223230376379189910ad2d2c236efa3e262b307421d0b856e024ecf218e3196ab094a5d8af87a9e3d136a6b53597868bf171dec6cf877f7aef8
SSDEEP 3072:9A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:9zIqATVfQeV2FZalKq6jtGJWuTmd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/5096-0-0x0000000075610000-0x0000000075640000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4028	5096	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 5096	788	rundll32.exe	86
PID 788 wrote to memory of 5096	788	rundll32.exe	86
PID 788 wrote to memory of 5096	788	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fcdb98b30f6a062b5c28b3a5a815c0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fcdb98b30f6a062b5c28b3a5a815c0_JaffaCakes118.dll,#1
  2⤵
  PID:5096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 692
    3⤵
    - Program crash
    PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5096 -ip 5096
1⤵
PID:4592

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/5096-0-0x0000000075610000-0x0000000075640000-memory.dmp

Download

memory/5096-1-0x0000000000B50000-0x0000000000B56000-memory.dmp