dridex | 703f50877817d1faf7627d020abc804d1280996759c7da81dbbdcc37d736472e

General

Target

SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.25421.28590.dll
Size

750KB
MD5

03340886367d0e5773f91a2577891fa8
SHA1

d306ea676672f812ecdbe30f886abe03a74187ef
SHA256

703f50877817d1faf7627d020abc804d1280996759c7da81dbbdcc37d736472e
SHA512

f3cb8db600317c005fed0f9c07c4148e1a8ede29bb4eb007c5e47cfc496fa00507eef1ffeeafa12e7e0ca1bfb368e9ebeca564f0e0836275e4ab8aa4431a49ec

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

4 1100 rundll32.exe
6 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
4	1100	rundll32.exe
6	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 1600 wrote to memory of 1100	1600	rundll32.exe	rundll32.exe
PID 1600 wrote to memory of 1100	1600	rundll32.exe	rundll32.exe
PID 1600 wrote to memory of 1100	1600	rundll32.exe	rundll32.exe
PID 1600 wrote to memory of 1100	1600	rundll32.exe	rundll32.exe
PID 1600 wrote to memory of 1100	1600	rundll32.exe	rundll32.exe
PID 1600 wrote to memory of 1100	1600	rundll32.exe	rundll32.exe
PID 1600 wrote to memory of 1100	1600	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.25421.28590.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.25421.28590.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

Loading Replay Monitor...

Downloads

memory/1100-54-0x0000000000000000-mapping.dmp

Download
memory/1100-55-0x00000000751A1000-0x00000000751A3000-memory.dmp

Filesize
8KB

Download
memory/1100-56-0x0000000074580000-0x0000000074649000-memory.dmp

Filesize
804KB

Download
memory/1100-57-0x0000000074580000-0x00000000745BD000-memory.dmp

Filesize
244KB

Download
memory/1100-58-0x0000000074580000-0x0000000074649000-memory.dmp

Filesize
804KB

Download
memory/1100-60-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing