dridex | a8a6765c7c62295fe4b1a45979895f30e3a8da138ac1d163a068dee1502be534

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 04:37

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General

Target

fbf129036c3a706728a21d9741dedb36_JaffaCakes118.dll
Size

188KB
MD5

fbf129036c3a706728a21d9741dedb36
SHA1

3c38cb172a7d8c8e17709a476c95cceb6cbf765d
SHA256

a8a6765c7c62295fe4b1a45979895f30e3a8da138ac1d163a068dee1502be534
SHA512

f325be9f9f718d21d8e15ebb605e7af9bfd81a37816ac905aff2f0c79dec02378501020081b935455512b3de2887af388975304011e16187082bbadf4fecd7aa
SSDEEP

3072:kA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoxo:kzIqATVfQeV2FZalKq6jtGJWuTmd

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/2192-0-0x0000000074660000-0x0000000074690000-memory.dmp	dridex_ldr
behavioral1/memory/2192-1-0x0000000074660000-0x0000000074690000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2976 2192 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2976	2192	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2488 wrote to memory of 2192	2488	rundll32.exe	rundll32.exe
PID 2488 wrote to memory of 2192	2488	rundll32.exe	rundll32.exe
PID 2488 wrote to memory of 2192	2488	rundll32.exe	rundll32.exe
PID 2488 wrote to memory of 2192	2488	rundll32.exe	rundll32.exe
PID 2488 wrote to memory of 2192	2488	rundll32.exe	rundll32.exe
PID 2488 wrote to memory of 2192	2488	rundll32.exe	rundll32.exe
PID 2488 wrote to memory of 2192	2488	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2976	2192	rundll32.exe	WerFault.exe
PID 2192 wrote to memory of 2976	2192	rundll32.exe	WerFault.exe
PID 2192 wrote to memory of 2976	2192	rundll32.exe	WerFault.exe
PID 2192 wrote to memory of 2976	2192	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf129036c3a706728a21d9741dedb36_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf129036c3a706728a21d9741dedb36_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 300
3⤵
- Program crash
PID:2976

MITRE ATT&CK Matrix

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Downloads

memory/2192-0-0x0000000074660000-0x0000000074690000-memory.dmp

Filesize
192KB

Download
memory/2192-1-0x0000000074660000-0x0000000074690000-memory.dmp

Filesize
192KB

Download
memory/2192-2-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download