dridex | 6592f2469a2d7bbcdae6e06d67ae83f49443ba7fe9f864320da8a7305e022359

Analysis

max time kernel
142s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/03/2024, 01:04

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General

Target
b0d7ecf502625c6a27719ebb6b1b1a09.dll
Size 188KB
Sample240304-be2e1ade6s
SHA256 6592f2469a2d7bbcdae6e06d67ae83f49443ba7fe9f864320da8a7305e022359
MD5 b0d7ecf502625c6a27719ebb6b1b1a09
SHA1 c59bfb918a0152b15b71a799b6b24cc06a53565c
SHA512 143906dd9b9114bb483b8f92cfc55f89641e5ebfb6780d0cb865133aaf2de24758f1eb89dcd1d92d305783b690ca1dfaf22860d6ec3ae019b6539c9a916f2444
SSDEEP 3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAovo:/zIqATVfQeV2FZalKq6jtGJWuTmd
MD5 SHA1 SHA512 SSDEEP

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/2748-0-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr
behavioral1/memory/2748-2-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	2748	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2748	2624	rundll32.exe	28
PID 2624 wrote to memory of 2748	2624	rundll32.exe	28
PID 2624 wrote to memory of 2748	2624	rundll32.exe	28
PID 2624 wrote to memory of 2748	2624	rundll32.exe	28
PID 2624 wrote to memory of 2748	2624	rundll32.exe	28
PID 2624 wrote to memory of 2748	2624	rundll32.exe	28
PID 2624 wrote to memory of 2748	2624	rundll32.exe	28
PID 2748 wrote to memory of 2820	2748	rundll32.exe	29
PID 2748 wrote to memory of 2820	2748	rundll32.exe	29
PID 2748 wrote to memory of 2820	2748	rundll32.exe	29
PID 2748 wrote to memory of 2820	2748	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0d7ecf502625c6a27719ebb6b1b1a09.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0d7ecf502625c6a27719ebb6b1b1a09.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 308
    3⤵
    - Program crash
    PID:2820

Network

MITRE ATT&CK Matrix

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Downloads

memory/2748-0-0x0000000075390000-0x00000000753C0000-memory.dmp

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memory/2748-1-0x00000000001A0000-0x00000000001A6000-memory.dmp

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memory/2748-2-0x0000000075390000-0x00000000753C0000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads