dridex | bd8cf66f989053667d858c0d39b9f0f67bc8e510c585c4ea14a0be94335dc1a1

Analysis

max time kernel
141s
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 16:44

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General

Target

e562fb1a0f3a63ee95a2c50bbb57b789_JaffaCakes118.dll
Size

188KB
MD5

e562fb1a0f3a63ee95a2c50bbb57b789
SHA1

d55049023dbbf25f4535a80af67b6ddd8f54d152
SHA256

bd8cf66f989053667d858c0d39b9f0f67bc8e510c585c4ea14a0be94335dc1a1
SHA512

93c8805759e7651709a08468d7e11b358f06659a66cdfc66fcb1ba43916288f49a68bcebaca65f64f63a31437711e8a1fdae8fdd563e9368c2a58a2c5da878ae
SSDEEP

3072:HA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo2o:HzIqATVfQeV2FZalKq6jtGJWuTmd

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/2220-0-0x0000000074F40000-0x0000000074F70000-memory.dmp	dridex_ldr
behavioral1/memory/2220-3-0x0000000074F40000-0x0000000074F70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2084 2220 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2084	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 2084	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2084	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2084	2220	rundll32.exe	WerFault.exe
PID 2220 wrote to memory of 2084	2220	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e562fb1a0f3a63ee95a2c50bbb57b789_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e562fb1a0f3a63ee95a2c50bbb57b789_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:2084

MITRE ATT&CK Matrix

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Downloads

memory/2220-0-0x0000000074F40000-0x0000000074F70000-memory.dmp

Filesize
192KB

Download
memory/2220-2-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2220-3-0x0000000074F40000-0x0000000074F70000-memory.dmp

Filesize
192KB

Download