dridex | 3d8c80708e1033b209717d0dcca7be752b6be2abc63ffc3712945695b83e9c9b

General

Target

7b1dc98d341f4b27a33ebebde445e726.dll
Size

750KB
MD5

7b1dc98d341f4b27a33ebebde445e726
SHA1

ee7e12b1c97e501b40ff70538571006aeece0697
SHA256

3d8c80708e1033b209717d0dcca7be752b6be2abc63ffc3712945695b83e9c9b
SHA512

66c61cde6bcc0bfe48be944f49da027b052e51317beb14a37d85dd64ba8815cedf1efef669ecfe2ae8b7b2722d45ab0759b400d9d8e190414b8684d2f2913124

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

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

24 4260 rundll32.exe
26 4260 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
24	4260	rundll32.exe
26	4260	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 3032 wrote to memory of 4260	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 4260	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 4260	3032	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b1dc98d341f4b27a33ebebde445e726.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b1dc98d341f4b27a33ebebde445e726.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4260

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4260-115-0x0000000000000000-mapping.dmp

Download
memory/4260-116-0x00000000742D0000-0x0000000074399000-memory.dmp

Filesize
804KB

Download
memory/4260-118-0x00000000742D0000-0x0000000074399000-memory.dmp

Filesize
804KB

Download
memory/4260-117-0x00000000742D0000-0x000000007430D000-memory.dmp

Filesize
244KB

Download
memory/4260-121-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4260-120-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4260-122-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4260-192-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download

Analysis

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