dridex | ed065b9fdcda85b573b43bac719950ad92925e2b5f0b32e7e42fcc6316c94ad6

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 14:53

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General

Target

73bb3022992da1cdaea3b45fd7de67da12bcd95e7078a8eeb2c2feb8f3516020.dll
Size

608KB
MD5

6ee7398aa127b00ec1c4c99fa4b938ca
SHA1

be7a1fcf25903d8fcc2708fd0f53eee8cd07ce37
SHA256

73bb3022992da1cdaea3b45fd7de67da12bcd95e7078a8eeb2c2feb8f3516020
SHA512

daae02df6ffb6655ffe2d7399c67f901b02648791179699e9712d847703d2f0dcf86ca42eba430d247ecae2b8b366d9d64fa8f5e6f0b5f1135da4e11a6510a72
SSDEEP

12288:GZGQdqOGIHJqydLqQSeCqsVK8kPRGO35N9mVPzXc6O:GZ0SWjeCVVK8kP9N9oL8

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

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

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow	pid	Process
23	4404	rundll32.exe
63	4404	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2696 wrote to memory of 4404	2696	rundll32.exe	87
PID 2696 wrote to memory of 4404	2696	rundll32.exe	87
PID 2696 wrote to memory of 4404	2696	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\73bb3022992da1cdaea3b45fd7de67da12bcd95e7078a8eeb2c2feb8f3516020.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\73bb3022992da1cdaea3b45fd7de67da12bcd95e7078a8eeb2c2feb8f3516020.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4404-1-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/4404-4-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/4404-3-0x0000000000494000-0x000000000049A000-memory.dmp

Filesize
24KB

Download
memory/4404-0-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/4404-5-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download