dridex | 67927823b7cac754d3dd475495de7332bdd42acd2ec84f0b2a41dd3d96134c9c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2024, 03:53

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
cfdb1f69870f6ed8946b4712c0738b8f.dll
Size 184KB
Sample240317-efmvsadg66
SHA256 67927823b7cac754d3dd475495de7332bdd42acd2ec84f0b2a41dd3d96134c9c
MD5 cfdb1f69870f6ed8946b4712c0738b8f
SHA1 6d8f04c86d5904f2d54465b444643ab90c3ea4e7
SHA512 b4f34c437c6cfa5b359f807da2075d58026a91d121f06ef994ea1f158be3e6cf30403a1a8be45cecc11d6380fb4a05b4efb64f536facb28c58411fe403207ddc
SSDEEP 3072:Khd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J/VQcY:K3fOeIv54W6SFKfc9me9v9/J/V
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443
222.124.142.67:10443
138.201.222.158:4664

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/4404-0-0x0000000075640000-0x0000000075670000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2024	4404	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 4404	4936	rundll32.exe	88
PID 4936 wrote to memory of 4404	4936	rundll32.exe	88
PID 4936 wrote to memory of 4404	4936	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfdb1f69870f6ed8946b4712c0738b8f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfdb1f69870f6ed8946b4712c0738b8f.dll,#1
  2⤵
  PID:4404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 668
    3⤵
    - Program crash
    PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4404 -ip 4404
1⤵
PID:3508

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4404-0-0x0000000075640000-0x0000000075670000-memory.dmp

Download

memory/4404-1-0x0000000000E60000-0x0000000000E66000-memory.dmp