dridex | e4710e9227ab01319cc9d1375494f3d8b94ca0db8525a3fa5e4af52219f4c17a

Analysis

max time kernel
149s
max time network
150s
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

fvdoml.jpg.dll
Size

664KB
MD5

6e75b8eb305e7e97f12815613b1dd485
SHA1

08addc932efb3ec489b0879e41769f5a6ad6fea5
SHA256

e4710e9227ab01319cc9d1375494f3d8b94ca0db8525a3fa5e4af52219f4c17a
SHA512

139e85e2231a8da855de0667e93cd74a2d077bf40fc038976d9f5cb9463838822c41269b4db60ed74b5d281d849cf28de6582b6658a97aba126a1efe196a8735
SSDEEP

12288:N/0Qzqf0eSi48oM+6TFKywVt6PbEYU0eyJTT/Mu9oV01uqoaEP:90zhSXn6TFKywvCbEOxDMu9oy+aEP

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

16 1492 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
16	1492	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 1072 wrote to memory of 1492	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 1492	1072	rundll32.exe	rundll32.exe
PID 1072 wrote to memory of 1492	1072	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fvdoml.jpg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fvdoml.jpg.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1492

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/1492-0-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1492-1-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1492-5-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1492-4-0x00000000004A2000-0x00000000004A8000-memory.dmp

Filesize
24KB

Download
memory/1492-6-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1492-7-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download