dridex | 9177c757c4019eaa152864b61a5f97380621184721eb3782a385a4c76d74fd21

Analysis

max time kernel
142s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-02-2024 17:18

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General

Target

ac6d882dc806bc2b61d1c158ac042d4d.dll
Size

188KB
MD5

ac6d882dc806bc2b61d1c158ac042d4d
SHA1

aa098c6174c438678de02453fefee505b21ca972
SHA256

9177c757c4019eaa152864b61a5f97380621184721eb3782a385a4c76d74fd21
SHA512

723674f0ccd36c9565653938c4e3bd8f821b835ebaa3dceba2d2d3cb7c6484326e66e7b7a8b667068dcbdb79d89dfae30ec9b353ef801446e406a18572a13938
SSDEEP

3072:oA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAono:ozIqATVfQeV2FZalKq6jtGJWuTmd

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

resource	yara_rule
behavioral1/memory/2800-0-0x0000000074CD0000-0x0000000074D00000-memory.dmp	dridex_ldr
behavioral1/memory/2800-2-0x0000000074CD0000-0x0000000074D00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2500	2800	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2800	2756	rundll32.exe	28
PID 2756 wrote to memory of 2800	2756	rundll32.exe	28
PID 2756 wrote to memory of 2800	2756	rundll32.exe	28
PID 2756 wrote to memory of 2800	2756	rundll32.exe	28
PID 2756 wrote to memory of 2800	2756	rundll32.exe	28
PID 2756 wrote to memory of 2800	2756	rundll32.exe	28
PID 2756 wrote to memory of 2800	2756	rundll32.exe	28
PID 2800 wrote to memory of 2500	2800	rundll32.exe	31
PID 2800 wrote to memory of 2500	2800	rundll32.exe	31
PID 2800 wrote to memory of 2500	2800	rundll32.exe	31
PID 2800 wrote to memory of 2500	2800	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac6d882dc806bc2b61d1c158ac042d4d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac6d882dc806bc2b61d1c158ac042d4d.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 308
    3⤵
    - Program crash
    PID:2500

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2800-0-0x0000000074CD0000-0x0000000074D00000-memory.dmp

Filesize
192KB

Download
memory/2800-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2800-2-0x0000000074CD0000-0x0000000074D00000-memory.dmp

Filesize
192KB

Download