dridex | 9a7d044288b8ee3d623e3f5a0c8ba7c3bcfad61be9a6dfdc1fd3a2fde4aaaa69

General

Target

9a7d044288b8ee3d623e3f5a0c8ba7c3bcfad61be9a6dfdc1fd3a2fde4aaaa69.dll
Size

196KB
MD5

771c9e85ae9c04b92d8874dadba4ec68
SHA1

cf7b830589137a82e8a5117094d0b068c9a61d8a
SHA256

9a7d044288b8ee3d623e3f5a0c8ba7c3bcfad61be9a6dfdc1fd3a2fde4aaaa69
SHA512

5a88280bfaed4366c8d937bad551594efacbbcf0c989195a0ddffdac3b77421a28fe95d12f4d893954d66fb8be0c300941b75960226af37aefdf633b433836ab

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1100-4-0x00000000745C0000-0x00000000745F3000-memory.dmp	dridex_ldr
behavioral1/memory/1100-6-0x00000000745C0000-0x00000000745DF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1100 rundll32.exe
8 1100 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
5	1100	rundll32.exe
8	1100	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 1656 wrote to memory of 1100	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1100	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1100	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1100	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1100	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1100	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 1100	1656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a7d044288b8ee3d623e3f5a0c8ba7c3bcfad61be9a6dfdc1fd3a2fde4aaaa69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a7d044288b8ee3d623e3f5a0c8ba7c3bcfad61be9a6dfdc1fd3a2fde4aaaa69.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1100

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/1100-2-0x0000000000000000-mapping.dmp

Download
memory/1100-3-0x0000000074D11000-0x0000000074D13000-memory.dmp

Filesize
8KB

Download
memory/1100-4-0x00000000745C0000-0x00000000745F3000-memory.dmp

Filesize
204KB

Download
memory/1100-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1100-6-0x00000000745C0000-0x00000000745DF000-memory.dmp

Filesize
124KB

Download
memory/1644-7-0x000007FEF6F80000-0x000007FEF71FA000-memory.dmp

Filesize
2.5MB

Download

Analysis

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