dridex | 99478dc8e12a1df570761f40394c9d7c371ce376cd26a2e3839e5d531d0d1257

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 12:25

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General

Target

d8cc63aeda93b1f903b4f2624aa2187b.dll
Size

184KB
MD5

d8cc63aeda93b1f903b4f2624aa2187b
SHA1

1e7ae7167c3a6c66a1334df50308e9183eb2d62c
SHA256

99478dc8e12a1df570761f40394c9d7c371ce376cd26a2e3839e5d531d0d1257
SHA512

c887d3144c658af07752b98473cc0b906f15cbe8f9f08c2bf847def4883bb51e293b50aa1e837a899fe527b0378bf59b0e2ee1b6637483cb268d9f1cc58f6739
SSDEEP

3072:dhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J0VQcY:d3fOeIv54W6SFKfc9me9v9/J0V

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

Processes:

resource	yara_rule
behavioral1/memory/2224-0-0x00000000748E0000-0x0000000074910000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3044 2224 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3044	2224	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1932 wrote to memory of 2224	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2224	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2224	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2224	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2224	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2224	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2224	1932	rundll32.exe	rundll32.exe
PID 2224 wrote to memory of 3044	2224	rundll32.exe	WerFault.exe
PID 2224 wrote to memory of 3044	2224	rundll32.exe	WerFault.exe
PID 2224 wrote to memory of 3044	2224	rundll32.exe	WerFault.exe
PID 2224 wrote to memory of 3044	2224	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8cc63aeda93b1f903b4f2624aa2187b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8cc63aeda93b1f903b4f2624aa2187b.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 288
3⤵
- Program crash
PID:3044

MITRE ATT&CK Matrix

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Downloads

memory/2224-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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memory/2224-0-0x00000000748E0000-0x0000000074910000-memory.dmp

Filesize
192KB

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