dridex | f7d6da6581785d667051dc523224e6cf39cc20e33ca514c3ff88ffc68465a806

General

Target

SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.24982.22597.dll
Size

750KB
MD5

0ce6b3b88306e4cfae74dd54cd316f40
SHA1

55ee6554685cef20149accbf04c9933c1e94ad0a
SHA256

f7d6da6581785d667051dc523224e6cf39cc20e33ca514c3ff88ffc68465a806
SHA512

20f0a1308b39c018fbb21eb202ab431e56c04f523be196234678636a460e5a2f47e863e099f0103b0fca6f1be3df4f783d86785b3761fb4e74bac38d8d7e3e45

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 1744 rundll32.exe
6 1744 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	1744	rundll32.exe
6	1744	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 1608 wrote to memory of 1744	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1744	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1744	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1744	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1744	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1744	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 1744	1608	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.24982.22597.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.24982.22597.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1744

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/1744-55-0x0000000000000000-mapping.dmp

Download
memory/1744-56-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/1744-57-0x00000000752A0000-0x0000000075369000-memory.dmp

Filesize
804KB

Download
memory/1744-58-0x00000000752A0000-0x00000000752DD000-memory.dmp

Filesize
244KB

Download
memory/1744-59-0x00000000752A0000-0x0000000075369000-memory.dmp

Filesize
804KB

Download
memory/1744-61-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download

Analysis

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