dridex | 38d0548f0588b767050fb5bd9ece9125376a8e1014700a515b9f4c211a6ffeaf

General

Target
eaed1b5fbbd6b0daa08d10b6d8f78c41.dll
Size 750KB
Sample211027-svrdeafda2
SHA256 38d0548f0588b767050fb5bd9ece9125376a8e1014700a515b9f4c211a6ffeaf
MD5 eaed1b5fbbd6b0daa08d10b6d8f78c41
SHA1 a7c9f7e8ea8d3ed0cb2cfa3af428ddcd8be2e7c7
SHA512 1114fd7799f6f3cd03791df406cd5b863866bf89f39ce3c16651987b7e448ed72158605cca760d9964aaeb34be9b1b23e9d1d8dff1905f1add70ae3d938c6392
MD5 SHA1 SHA512

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

flow	pid	Process
3	700	rundll32.exe
6	700	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

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 700	772	rundll32.exe	28
PID 772 wrote to memory of 700	772	rundll32.exe	28
PID 772 wrote to memory of 700	772	rundll32.exe	28
PID 772 wrote to memory of 700	772	rundll32.exe	28
PID 772 wrote to memory of 700	772	rundll32.exe	28
PID 772 wrote to memory of 700	772	rundll32.exe	28
PID 772 wrote to memory of 700	772	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaed1b5fbbd6b0daa08d10b6d8f78c41.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaed1b5fbbd6b0daa08d10b6d8f78c41.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/700-55-0x0000000075FA1000-0x0000000075FA3000-memory.dmp

Download

memory/700-56-0x0000000074450000-0x0000000074519000-memory.dmp

Download

memory/700-57-0x0000000074450000-0x000000007448D000-memory.dmp

Download

memory/700-58-0x0000000074450000-0x0000000074519000-memory.dmp

Download

memory/700-60-0x0000000000160000-0x0000000000161000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads