dridex | 856c4a0185bedb970e1116e83c4a0384ac41b1f6f692974579fbc63cc669b769

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-03-2024 12:58

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General

Target

d8dc9fe6f52c4f5f165f6a49913fe554.dll
Size

188KB
MD5

d8dc9fe6f52c4f5f165f6a49913fe554
SHA1

5c42471bc4bf955ccfde8fcc7bc85d8fd51657a1
SHA256

856c4a0185bedb970e1116e83c4a0384ac41b1f6f692974579fbc63cc669b769
SHA512

3b9bf283a4faa6287457db738217c1af08b1687fdccd8c4593a4194323bf42ca278a18c623aae98442e485c293c1285b013c97a221c1116fd179d876df35dcae
SSDEEP

3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:/zIqATVfQeV2FZalKq6jtGJWuTmd

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/2188-0-0x0000000074990000-0x00000000749C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2784 2188 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2784	2188	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1928 wrote to memory of 2188	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2188	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2188	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2188	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2188	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2188	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2188	1928	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 2784	2188	rundll32.exe	WerFault.exe
PID 2188 wrote to memory of 2784	2188	rundll32.exe	WerFault.exe
PID 2188 wrote to memory of 2784	2188	rundll32.exe	WerFault.exe
PID 2188 wrote to memory of 2784	2188	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8dc9fe6f52c4f5f165f6a49913fe554.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8dc9fe6f52c4f5f165f6a49913fe554.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 300
3⤵
- Program crash
PID:2784

MITRE ATT&CK Matrix

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Downloads

memory/2188-0-0x0000000074990000-0x00000000749C0000-memory.dmp

Filesize
192KB

Download
memory/2188-1-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download