dridex | 6d7cfd3ec7a74e5316fb62a6f9b9aeaaf6a68fbf5189492cb5a54ba55d2acfad

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:54

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General

Target

6d7cfd3ec7a74e5316fb62a6f9b9aeaaf6a68fbf5189492cb5a54ba55d2acfad.dll
Size

184KB
MD5

a4a900dc6761dce825a7b843b2b5ccdf
SHA1

0928be06aea74598b356e9ddf12d751c120e56ab
SHA256

6d7cfd3ec7a74e5316fb62a6f9b9aeaaf6a68fbf5189492cb5a54ba55d2acfad
SHA512

9a48a89a27500fc6a8c7b07752cb9a4d9bb913c8e4adf4858f26ae484c097dfeb077dd74f1891d60f4c591baad967a1c467320f7ec0295fedfb02a9feec1f059
SSDEEP

3072:biLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoRlzoxss7:biLVCIT4WK2z1W+CUHZj4Skq/eaoPoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2672-1-0x0000000074EA0000-0x0000000074ECF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2816	2672	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2672	2892	rundll32.exe	30
PID 2892 wrote to memory of 2672	2892	rundll32.exe	30
PID 2892 wrote to memory of 2672	2892	rundll32.exe	30
PID 2892 wrote to memory of 2672	2892	rundll32.exe	30
PID 2892 wrote to memory of 2672	2892	rundll32.exe	30
PID 2892 wrote to memory of 2672	2892	rundll32.exe	30
PID 2892 wrote to memory of 2672	2892	rundll32.exe	30
PID 2672 wrote to memory of 2816	2672	rundll32.exe	31
PID 2672 wrote to memory of 2816	2672	rundll32.exe	31
PID 2672 wrote to memory of 2816	2672	rundll32.exe	31
PID 2672 wrote to memory of 2816	2672	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d7cfd3ec7a74e5316fb62a6f9b9aeaaf6a68fbf5189492cb5a54ba55d2acfad.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d7cfd3ec7a74e5316fb62a6f9b9aeaaf6a68fbf5189492cb5a54ba55d2acfad.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 220
    3⤵
    - Program crash
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2672-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2672-1-0x0000000074EA0000-0x0000000074ECF000-memory.dmp

Filesize
188KB

Download
memory/2672-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download