dridex | cfd9fcbf32e0bf24baf98ec320c65e81580f9cf79182d91c8f3d6fe50a7ee6ae

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 18:46

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General

Target

d98a36c416211f9b0563c1b2413ee2e4.dll
Size

188KB
MD5

d98a36c416211f9b0563c1b2413ee2e4
SHA1

e7fa16540c57672b7fad942dc7204373d161687b
SHA256

cfd9fcbf32e0bf24baf98ec320c65e81580f9cf79182d91c8f3d6fe50a7ee6ae
SHA512

867ef482b623e0bc972c48f7928644fba24e7ec3b9464bc070b76b84b87fa0ade04e483acba5c012a029fd08bb3dd830157e5f800852319143ccf7e36f8111fd
SSDEEP

3072:wA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoNo:wzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2136-0-0x0000000075010000-0x0000000075040000-memory.dmp	dridex_ldr
behavioral1/memory/2136-2-0x0000000075010000-0x0000000075040000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2480 2136 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2480	2136	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 640 wrote to memory of 2136	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 2136	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 2136	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 2136	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 2136	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 2136	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 2136	640	rundll32.exe	rundll32.exe
PID 2136 wrote to memory of 2480	2136	rundll32.exe	WerFault.exe
PID 2136 wrote to memory of 2480	2136	rundll32.exe	WerFault.exe
PID 2136 wrote to memory of 2480	2136	rundll32.exe	WerFault.exe
PID 2136 wrote to memory of 2480	2136	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d98a36c416211f9b0563c1b2413ee2e4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d98a36c416211f9b0563c1b2413ee2e4.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 308
3⤵
- Program crash
PID:2480

MITRE ATT&CK Matrix

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Downloads

memory/2136-1-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2136-0-0x0000000075010000-0x0000000075040000-memory.dmp

Filesize
192KB

Download
memory/2136-2-0x0000000075010000-0x0000000075040000-memory.dmp

Filesize
192KB

Download