dridex | 5e230e23256c560fca20da7f661c40b6d54223f0ff71186f2849a1310aa27d3a

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-03-2024 12:42

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General

Target

e1b12647f4e807bfe033d483a6a15d7b.dll
Size

188KB
MD5

e1b12647f4e807bfe033d483a6a15d7b
SHA1

b37cdd70a58d7ac27b046feb63f01a715dee0661
SHA256

5e230e23256c560fca20da7f661c40b6d54223f0ff71186f2849a1310aa27d3a
SHA512

b1ff03565719ae98a028e75aa9bf5ea4cd265e356d5d85bfae7aa6d81ed56cd4895148707bc5ba7b5854ff98187564a1a81855460a35e91e014c5fc741745655
SSDEEP

3072:mA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoCo:mzIqATVfQeV2FZalKq6jtGJWuTmd

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/2156-0-0x0000000075210000-0x0000000075240000-memory.dmp	dridex_ldr
behavioral1/memory/2156-2-0x0000000075210000-0x0000000075240000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2044 2156 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2044	2156	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2952 wrote to memory of 2156	2952	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2156	2952	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2156	2952	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2156	2952	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2156	2952	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2156	2952	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2156	2952	rundll32.exe	rundll32.exe
PID 2156 wrote to memory of 2044	2156	rundll32.exe	WerFault.exe
PID 2156 wrote to memory of 2044	2156	rundll32.exe	WerFault.exe
PID 2156 wrote to memory of 2044	2156	rundll32.exe	WerFault.exe
PID 2156 wrote to memory of 2044	2156	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1b12647f4e807bfe033d483a6a15d7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2952

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1b12647f4e807bfe033d483a6a15d7b.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 300
3⤵
- Program crash
PID:2044

MITRE ATT&CK Matrix

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Downloads

memory/2156-0-0x0000000075210000-0x0000000075240000-memory.dmp

Filesize
192KB

Download
memory/2156-1-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2156-2-0x0000000075210000-0x0000000075240000-memory.dmp

Filesize
192KB

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