dridex | 9fe1eef718cc588e386c0070d4651c72702ec7c95811aafbbcfe1e11245e8a35

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04-01-2024 02:53

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General

Target

3fb489a9756b121161a3999732ee757f.dll
Size

188KB
MD5

3fb489a9756b121161a3999732ee757f
SHA1

179dca805c454dd11fc088ed1dc437fd3a443401
SHA256

9fe1eef718cc588e386c0070d4651c72702ec7c95811aafbbcfe1e11245e8a35
SHA512

31937b81aeb202507f33959c12f522aecf0087f07123b11a3ce03096a1834419a24373b6c281327ab188bc08a9757a1dab55f0b95ec2919ce52a71e64b426de8
SSDEEP

3072:4A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoKo:4zIqATVfQeV2FZalKq6jtGJWuTmd

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/2936-0-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr
behavioral1/memory/2936-1-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2948	2936	WerFault.exe	16

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2936	1244	rundll32.exe	16
PID 1244 wrote to memory of 2936	1244	rundll32.exe	16
PID 1244 wrote to memory of 2936	1244	rundll32.exe	16
PID 1244 wrote to memory of 2936	1244	rundll32.exe	16
PID 1244 wrote to memory of 2936	1244	rundll32.exe	16
PID 1244 wrote to memory of 2936	1244	rundll32.exe	16
PID 1244 wrote to memory of 2936	1244	rundll32.exe	16
PID 2936 wrote to memory of 2948	2936	rundll32.exe	29
PID 2936 wrote to memory of 2948	2936	rundll32.exe	29
PID 2936 wrote to memory of 2948	2936	rundll32.exe	29
PID 2936 wrote to memory of 2948	2936	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fb489a9756b121161a3999732ee757f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fb489a9756b121161a3999732ee757f.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 300
    3⤵
    - Program crash
    PID:2948

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2936-0-0x0000000075390000-0x00000000753C0000-memory.dmp

Filesize
192KB

Download
memory/2936-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2936-1-0x0000000075390000-0x00000000753C0000-memory.dmp

Filesize
192KB

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