dridex | 9352fd60d126b587679562be46c2c8b9912974cf25ea8915a48ea76f9784f372

General

Target

5cd4988de59920aebbb8503a1c1f5058.dll
Size

750KB
MD5

5cd4988de59920aebbb8503a1c1f5058
SHA1

37535808336626f0c720c6dce501235fbbfc3905
SHA256

9352fd60d126b587679562be46c2c8b9912974cf25ea8915a48ea76f9784f372
SHA512

19f464658f22d3d27ac60cc8f546cd49a06c3409be5c2a4f18fa9ace7131b5153a6e3e8ce071ad86dc7474f30e270cb141b9b1c03443761f803a70f76dd35afd

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

3 1196 rundll32.exe
6 1196 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
3	1196	rundll32.exe
6	1196	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 756 wrote to memory of 1196	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1196	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1196	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1196	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1196	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1196	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1196	756	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cd4988de59920aebbb8503a1c1f5058.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cd4988de59920aebbb8503a1c1f5058.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1196

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/1196-54-0x0000000000000000-mapping.dmp

Download
memory/1196-55-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1196-56-0x0000000075040000-0x0000000075109000-memory.dmp

Filesize
804KB

Download
memory/1196-57-0x0000000075040000-0x000000007507D000-memory.dmp

Filesize
244KB

Download
memory/1196-58-0x0000000075040000-0x0000000075109000-memory.dmp

Filesize
804KB

Download
memory/1196-60-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download

Analysis

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