dridex | 5458f569dc0a88492695bfbb4d5af206a3d576959bdcef03a142cceac2723f9a

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07-04-2024 13:02

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General

Target

e4fcdb98b30f6a062b5c28b3a5a815c0_JaffaCakes118.dll
Size

188KB
MD5

e4fcdb98b30f6a062b5c28b3a5a815c0
SHA1

222e7402337ed399117bc0b1b5cdee03c2ffc816
SHA256

5458f569dc0a88492695bfbb4d5af206a3d576959bdcef03a142cceac2723f9a
SHA512

3adf198ac318a223230376379189910ad2d2c236efa3e262b307421d0b856e024ecf218e3196ab094a5d8af87a9e3d136a6b53597868bf171dec6cf877f7aef8
SSDEEP

3072:9A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:9zIqATVfQeV2FZalKq6jtGJWuTmd

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/2220-0-0x0000000074F10000-0x0000000074F40000-memory.dmp	dridex_ldr
behavioral1/memory/2220-2-0x0000000074F10000-0x0000000074F40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2704 2220 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2704	2220	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1636 wrote to memory of 2220	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 2220	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 2220	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 2220	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 2220	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 2220	1636	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 2220	1636	rundll32.exe	rundll32.exe
PID 2220 wrote to memory of 2704	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2704	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2704	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2704	2220	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fcdb98b30f6a062b5c28b3a5a815c0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fcdb98b30f6a062b5c28b3a5a815c0_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 300
3⤵
- Program crash
PID:2704

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2220-0-0x0000000074F10000-0x0000000074F40000-memory.dmp

Filesize
192KB

Download
memory/2220-1-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2220-2-0x0000000074F10000-0x0000000074F40000-memory.dmp

Filesize
192KB

Download