dridex | 293d404dd5c387201215523c1a9f16e2b0c69cf4c02844d66ccee4d620eea826

Analysis

max time kernel
142s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/03/2024, 01:16

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General

Target
b0de1f44b929c83cb3e43cfc874ea75d.dll
Size 188KB
Sample240304-bm536aef69
SHA256 293d404dd5c387201215523c1a9f16e2b0c69cf4c02844d66ccee4d620eea826
MD5 b0de1f44b929c83cb3e43cfc874ea75d
SHA1 e857edc44e964dba69abbd65ae4c262809b32aa0
SHA512 f692a82e5d7a83a2a0675aba9ad0ffb0a16efad0314be1a2721bda0e6aca557c97227aad73f20ef4ab32ca262b65b18f82cdc1629d5236277f81ca2663e5f45c
SSDEEP 3072:ZA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoNo:ZzIqATVfQeV2FZalKq6jtGJWuTmd
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
behavioral1/memory/1096-1-0x0000000074CC0000-0x0000000074CF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2104	1096	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1096	1744	rundll32.exe	28
PID 1744 wrote to memory of 1096	1744	rundll32.exe	28
PID 1744 wrote to memory of 1096	1744	rundll32.exe	28
PID 1744 wrote to memory of 1096	1744	rundll32.exe	28
PID 1744 wrote to memory of 1096	1744	rundll32.exe	28
PID 1744 wrote to memory of 1096	1744	rundll32.exe	28
PID 1744 wrote to memory of 1096	1744	rundll32.exe	28
PID 1096 wrote to memory of 2104	1096	rundll32.exe	29
PID 1096 wrote to memory of 2104	1096	rundll32.exe	29
PID 1096 wrote to memory of 2104	1096	rundll32.exe	29
PID 1096 wrote to memory of 2104	1096	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0de1f44b929c83cb3e43cfc874ea75d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0de1f44b929c83cb3e43cfc874ea75d.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 308
    3⤵
    - Program crash
    PID:2104

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1096-1-0x0000000074CC0000-0x0000000074CF0000-memory.dmp

Download

memory/1096-0-0x0000000000160000-0x0000000000166000-memory.dmp