dridex | 5c6bebae6f13e804081376a322008f56893eb5fd5147d5e011ecb965c63f05bc

Analysis

max time kernel
143s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2024 17:28

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General

Target

yqyc8tnfx.jpg.dll
Size

664KB
MD5

b6ba95fe24bbe2fedd6cb6373af94252
SHA1

cfc69a8ffeb3dde2b108c162e6d8131ae36d3a75
SHA256

5c6bebae6f13e804081376a322008f56893eb5fd5147d5e011ecb965c63f05bc
SHA512

49914753c5a5b6aef2569337fc06b7840a2f4788631f4c56e46477cd191fb9c7164df0904da2aaba9489ab3ea0190ad7fb0c1760a25b8b68cb3ed6bf2770cbcb
SSDEEP

12288:d/0Qzqf0eSi48OM+6TFKywVt6PbEYU0eyJTT/Mu9oV01usoaEP:t0zhSdn6TFKywvCbEOxDMu9oysaEP

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

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 1 IoCs

Processes:

rundll32.exe

flow pid process

40 3432 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

flow	pid	process
40	3432	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3128 wrote to memory of 3432	3128	rundll32.exe	rundll32.exe
PID 3128 wrote to memory of 3432	3128	rundll32.exe	rundll32.exe
PID 3128 wrote to memory of 3432	3128	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\yqyc8tnfx.jpg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3128

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\yqyc8tnfx.jpg.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3432

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3432-1-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/3432-0-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/3432-3-0x00000000004A2000-0x00000000004A8000-memory.dmp

Filesize
24KB

Download
memory/3432-4-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/3432-5-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download