dridex | 4dd99290bdaf6a5e5a194c16b76bf7391a2e8e27042c69c92e0481ba55e9db64

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-04-2024 09:10

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General

Target

e71ccb5ae55f7fc0bfa1e7227b544df8_JaffaCakes118.dll
Size

188KB
MD5

e71ccb5ae55f7fc0bfa1e7227b544df8
SHA1

42b61fbf57ea01ef7f6318dcfeea901af56a075f
SHA256

4dd99290bdaf6a5e5a194c16b76bf7391a2e8e27042c69c92e0481ba55e9db64
SHA512

3d86a1fe1d2d81ef6f5e83be27d53bfb19192498706da782f274834ccac63bd9f5a916a768d339d5485e1a143b1e8b8e82d15238629710043ca73685850ff1e3
SSDEEP

3072:XA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:XzIqATVfQeV2FZalKq6jtGJWuTmd

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/2504-0-0x0000000074730000-0x0000000074760000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2568 2504 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2568	2504	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1308 wrote to memory of 2504	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 2504	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 2504	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 2504	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 2504	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 2504	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 2504	1308	rundll32.exe	rundll32.exe
PID 2504 wrote to memory of 2568	2504	rundll32.exe	WerFault.exe
PID 2504 wrote to memory of 2568	2504	rundll32.exe	WerFault.exe
PID 2504 wrote to memory of 2568	2504	rundll32.exe	WerFault.exe
PID 2504 wrote to memory of 2568	2504	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e71ccb5ae55f7fc0bfa1e7227b544df8_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e71ccb5ae55f7fc0bfa1e7227b544df8_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 308
3⤵
- Program crash
PID:2568

MITRE ATT&CK Matrix

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Downloads

memory/2504-0-0x0000000074730000-0x0000000074760000-memory.dmp

Filesize
192KB

Download
memory/2504-1-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download