dridex | 5d38b2dbbeb42782aad5b9450bbf261fefba54a3dacb78a30aef10c86c4ecc13

Analysis

max time kernel
148s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-03-2024 09:06

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General

Target

d86b83f5d12c65e9d3dc5fb3bfcce03c.dll
Size

188KB
MD5

d86b83f5d12c65e9d3dc5fb3bfcce03c
SHA1

37fb29b66732e787f52834399589a335acbe3c28
SHA256

5d38b2dbbeb42782aad5b9450bbf261fefba54a3dacb78a30aef10c86c4ecc13
SHA512

b649016c5297ac7a904ba8fd803a788363b596e4f0e97ac20d5a145d0e9f0200aa47189052d88261430fb7404f9f622dbe0dc9c1bec3392109ca4604f98b23b9
SSDEEP

3072:ZA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoOo:ZzIqATVfQeV2FZalKq6jtGJWuTmd

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

Processes:

resource	yara_rule
behavioral1/memory/1916-0-0x0000000074850000-0x0000000074880000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2220 1916 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2220	1916	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1712 wrote to memory of 1916	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1916	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1916	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1916	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1916	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1916	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1916	1712	rundll32.exe	rundll32.exe
PID 1916 wrote to memory of 2220	1916	rundll32.exe	WerFault.exe
PID 1916 wrote to memory of 2220	1916	rundll32.exe	WerFault.exe
PID 1916 wrote to memory of 2220	1916	rundll32.exe	WerFault.exe
PID 1916 wrote to memory of 2220	1916	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d86b83f5d12c65e9d3dc5fb3bfcce03c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d86b83f5d12c65e9d3dc5fb3bfcce03c.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 308
3⤵
- Program crash
PID:2220

MITRE ATT&CK Matrix

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Downloads

memory/1916-0-0x0000000074850000-0x0000000074880000-memory.dmp

Filesize
192KB

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memory/1916-1-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

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