dridex | 5914e81e9de2cd35b8472ceab7345c56c8b2a307a8e2b71a5e71acfd06eb3705

General

Target

SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.26108.8141.dll
Size

750KB
MD5

ac9aa8c47aae4daefa00bad3f81c9c70
SHA1

8a5573934c7ac5d85e9a02afd8bb97def3be928f
SHA256

5914e81e9de2cd35b8472ceab7345c56c8b2a307a8e2b71a5e71acfd06eb3705
SHA512

8572ed4815c2422d21e1cd5d27a8b2136c391fe339710dd0b75758dc76de0b33a3c0b5d514bcd68f8edea083480d45726d8eb5928ca122dc9c59b9c48340ca9f

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 2004 rundll32.exe
25 2004 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	2004	rundll32.exe
25	2004	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 2632 wrote to memory of 2004	2632	rundll32.exe	rundll32.exe
PID 2632 wrote to memory of 2004	2632	rundll32.exe	rundll32.exe
PID 2632 wrote to memory of 2004	2632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.26108.8141.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.26108.8141.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2004

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/2004-115-0x0000000000000000-mapping.dmp

Download
memory/2004-116-0x00000000742E0000-0x00000000743A9000-memory.dmp

Filesize
804KB

Download
memory/2004-117-0x00000000742E0000-0x000000007431D000-memory.dmp

Filesize
244KB

Download
memory/2004-118-0x00000000742E0000-0x00000000743A9000-memory.dmp

Filesize
804KB

Download
memory/2004-120-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/2004-121-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/2004-122-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/2004-443-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing