dridex | 1441cfa257c598222afdb784170fe771adcc4225f3f81a86dcdb01a5135bcf4c

Analysis

max time kernel
141s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 04:11

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General

Target

fe66be39f866208674fe4c12280b6024_JaffaCakes118.dll
Size

188KB
MD5

fe66be39f866208674fe4c12280b6024
SHA1

772cf2d7f725b1a16f639cec303d0bc95e51c907
SHA256

1441cfa257c598222afdb784170fe771adcc4225f3f81a86dcdb01a5135bcf4c
SHA512

f1bfc50ff752413402d50f760aa7d2131c0c1d84687c32597e3c3923b778ffb2afc86bdd8b2722595c2e6419e7c03bb4559875f13fe9316e5f8f32de4c857c62
SSDEEP

3072:1A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoAo:1zIqATVfQeV2FZalKq6jtGJWuTmd

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/936-0-0x0000000075230000-0x0000000075260000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2900 936 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2900	936	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2372 wrote to memory of 936	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 936	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 936	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 936	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 936	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 936	2372	rundll32.exe	rundll32.exe
PID 2372 wrote to memory of 936	2372	rundll32.exe	rundll32.exe
PID 936 wrote to memory of 2900	936	rundll32.exe	WerFault.exe
PID 936 wrote to memory of 2900	936	rundll32.exe	WerFault.exe
PID 936 wrote to memory of 2900	936	rundll32.exe	WerFault.exe
PID 936 wrote to memory of 2900	936	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe66be39f866208674fe4c12280b6024_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe66be39f866208674fe4c12280b6024_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 300
3⤵
- Program crash
PID:2900

MITRE ATT&CK Matrix

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Downloads

memory/936-0-0x0000000075230000-0x0000000075260000-memory.dmp

Filesize
192KB

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memory/936-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

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