dridex | aa482ce1c0a306098bf03cf0be113b29a97cfa5212444dfa39a151db1f182c4d

General

Target

6cdec7b7a9c5f894ace5713eaf5209ab.dll
Size

750KB
MD5

6cdec7b7a9c5f894ace5713eaf5209ab
SHA1

04917a011b3098230b2e7469ac326d37327dedcc
SHA256

aa482ce1c0a306098bf03cf0be113b29a97cfa5212444dfa39a151db1f182c4d
SHA512

4f0add30d60ae072ded028e8e71c926ad38b35210d34d3a13101f5d41d9ec525f950bcfa70e8e04b718b776fe141195e9fdeb1cc2c633ed0ab6c1e73a7bcc983

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 1836 rundll32.exe
6 1836 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	1836	rundll32.exe
6	1836	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 1088 wrote to memory of 1836	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1836	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1836	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1836	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1836	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1836	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1836	1088	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cdec7b7a9c5f894ace5713eaf5209ab.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cdec7b7a9c5f894ace5713eaf5209ab.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1836

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

Loading Replay Monitor...

Downloads

memory/1836-55-0x0000000000000000-mapping.dmp

Download
memory/1836-56-0x0000000074A41000-0x0000000074A43000-memory.dmp

Filesize
8KB

Download
memory/1836-57-0x0000000074480000-0x0000000074549000-memory.dmp

Filesize
804KB

Download
memory/1836-59-0x0000000074480000-0x0000000074549000-memory.dmp

Filesize
804KB

Download
memory/1836-58-0x0000000074480000-0x00000000744BD000-memory.dmp

Filesize
244KB

Download
memory/1836-61-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing