dridex | a21e707e54732bda8e58e347b32d6f97a4a50d5357d4dedc102e2c93ebe73251

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 00:18

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General

Target

f241198d6cd1aaf60fe64dbc4ac2a80b_JaffaCakes118.dll
Size

188KB
MD5

f241198d6cd1aaf60fe64dbc4ac2a80b
SHA1

0505e3f834c27d73d3dbf1d9b739505f0c6bf244
SHA256

a21e707e54732bda8e58e347b32d6f97a4a50d5357d4dedc102e2c93ebe73251
SHA512

78800fd517113d7a95110c7b9322b550dd3fe15db431333488e9a8955fa18319506afad0a1d2ccf8fab1db98204ebac35ad1d15f8fe9f994e3943d0fcbf2721a
SSDEEP

3072:EA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoro:EzIqATVfQeV2FZalKq6jtGJWuTmd

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/3020-0-0x0000000074560000-0x0000000074590000-memory.dmp	dridex_ldr
behavioral1/memory/3020-2-0x0000000074560000-0x0000000074590000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2876 3020 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2876	3020	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3048 wrote to memory of 3020	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 3020	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 3020	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 3020	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 3020	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 3020	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 3020	3048	rundll32.exe	rundll32.exe
PID 3020 wrote to memory of 2876	3020	rundll32.exe	WerFault.exe
PID 3020 wrote to memory of 2876	3020	rundll32.exe	WerFault.exe
PID 3020 wrote to memory of 2876	3020	rundll32.exe	WerFault.exe
PID 3020 wrote to memory of 2876	3020	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f241198d6cd1aaf60fe64dbc4ac2a80b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f241198d6cd1aaf60fe64dbc4ac2a80b_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 308
3⤵
- Program crash
PID:2876

MITRE ATT&CK Matrix

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Downloads

memory/3020-0-0x0000000074560000-0x0000000074590000-memory.dmp

Filesize
192KB

Download
memory/3020-1-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3020-2-0x0000000074560000-0x0000000074590000-memory.dmp

Filesize
192KB

Download