dridex | 5afa5ef2d9033f20639c2962e8dff2f6da3ac83956c70e27a164fb8c7c0894b4

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 15:54

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General

Target

fd1ec474cbf8b9c210c8a83163e0e651_JaffaCakes118.dll
Size

188KB
MD5

fd1ec474cbf8b9c210c8a83163e0e651
SHA1

c4abd20a42efcbbc9be87d0ad3da24673412a88d
SHA256

5afa5ef2d9033f20639c2962e8dff2f6da3ac83956c70e27a164fb8c7c0894b4
SHA512

0941cdb93907624b7523eb3ae5aea0acc9925ae0cce877079c07233e187848bef2e9197ffe814f369c635873445a34a6d7fea8bccd1f03b5f7e58606b64d6d54
SSDEEP

3072:3A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoOo:3zIqATVfQeV2FZalKq6jtGJWuTmd

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/2316-0-0x0000000074FA0000-0x0000000074FD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2524 2316 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2524	2316	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2212 wrote to memory of 2316	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2316	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2316	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2316	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2316	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2316	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2316	2212	rundll32.exe	rundll32.exe
PID 2316 wrote to memory of 2524	2316	rundll32.exe	WerFault.exe
PID 2316 wrote to memory of 2524	2316	rundll32.exe	WerFault.exe
PID 2316 wrote to memory of 2524	2316	rundll32.exe	WerFault.exe
PID 2316 wrote to memory of 2524	2316	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd1ec474cbf8b9c210c8a83163e0e651_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd1ec474cbf8b9c210c8a83163e0e651_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 300
3⤵
- Program crash
PID:2524

MITRE ATT&CK Matrix

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Downloads

memory/2316-0-0x0000000074FA0000-0x0000000074FD0000-memory.dmp

Filesize
192KB

Download
memory/2316-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download