dridex | b8405d169a19a9ee50c8e26544fd7c2ff5a745338dd9eee9ed81e30fec0d905d

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 15:56

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General

Target

ffa4ef7834a6dff7de3249084cd3c95f_JaffaCakes118.dll
Size

188KB
MD5

ffa4ef7834a6dff7de3249084cd3c95f
SHA1

5be280bf22b7300731f1676f5cf6c5dd6ee03514
SHA256

b8405d169a19a9ee50c8e26544fd7c2ff5a745338dd9eee9ed81e30fec0d905d
SHA512

3575e86d4285180cbbd101b6c8c363b26bf5f7ea65d50b48e0008bb31f69fdacb3244fe4ff74d95bf04c1080e4bfe0965211a52392772ab8e8115082d6c4656a
SSDEEP

3072:1A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoGo: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/1636-0-0x0000000074EB0000-0x0000000074EE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1744 1636 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1744	1636	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 1636	2208	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1744	1636	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffa4ef7834a6dff7de3249084cd3c95f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffa4ef7834a6dff7de3249084cd3c95f_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 300
3⤵
- Program crash
PID:1744

MITRE ATT&CK Matrix

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Downloads

memory/1636-0-0x0000000074EB0000-0x0000000074EE0000-memory.dmp

Filesize
192KB

Download
memory/1636-1-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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