dridex | 73835b4466971e7802a1c8c5cd518c3c264c418ebd72ffb187fa7746f94d20de

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 07:28

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General

Target
b6daba03885861623fa7cf32b5921232.dll
Size 188KB
Sample240306-ja4nkafd69
SHA256 73835b4466971e7802a1c8c5cd518c3c264c418ebd72ffb187fa7746f94d20de
MD5 b6daba03885861623fa7cf32b5921232
SHA1 e275d536715e62802ddcc9595bf9df78ff7fee7f
SHA512 f59605e70ed6068f6277f5e7e012c280341ed9e7de44da183d3d25da0f01f3ac209d379648fea8d72f8f1eff6b7effd1c21de62a57f04fbef3c3c0f6a0adec50
SSDEEP 3072:IA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo/o:IzIqATVfQeV2FZalKq6jtGJWuTmd
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/4444-0-0x0000000074A00000-0x0000000074A30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2516	4444	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 4444	1896	rundll32.exe	89
PID 1896 wrote to memory of 4444	1896	rundll32.exe	89
PID 1896 wrote to memory of 4444	1896	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6daba03885861623fa7cf32b5921232.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6daba03885861623fa7cf32b5921232.dll,#1
  2⤵
  PID:4444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 692
    3⤵
    - Program crash
    PID:2516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4444 -ip 4444
1⤵
PID:3800

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4444-0-0x0000000074A00000-0x0000000074A30000-memory.dmp

Download

memory/4444-1-0x00000000007E0000-0x00000000007E6000-memory.dmp