dridex | 42a47f17057fb35640a3cda046872aff8a6a529b82cb3b1e3c83c82f78b412ea

General

Target

SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.31988.10720.dll
Size

750KB
MD5

1bb9681e00cbfcc83a6fc90fb0c64e89
SHA1

22b2d4c7d8cf378ee880aae3a18dfa5032097690
SHA256

42a47f17057fb35640a3cda046872aff8a6a529b82cb3b1e3c83c82f78b412ea
SHA512

b69a8b490cecef7c87bb7221ea17607c04f9ae73e46db5a68c95a3d58f4bd103f18aa52c300eee17e55f77181cadddc5e34f3165b9b4a6011d43f645e1bd3659

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

20 3808 rundll32.exe
21 3808 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
20	3808	rundll32.exe
21	3808	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 3488 wrote to memory of 3808	3488	rundll32.exe	rundll32.exe
PID 3488 wrote to memory of 3808	3488	rundll32.exe	rundll32.exe
PID 3488 wrote to memory of 3808	3488	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.31988.10720.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3488

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Sabsik.FL.Bml.31988.10720.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3808

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/3808-115-0x0000000000000000-mapping.dmp

Download
memory/3808-116-0x0000000073BA0000-0x0000000073C69000-memory.dmp

Filesize
804KB

Download
memory/3808-117-0x0000000073BA0000-0x0000000073BDD000-memory.dmp

Filesize
244KB

Download
memory/3808-118-0x0000000073BA0000-0x0000000073C69000-memory.dmp

Filesize
804KB

Download
memory/3808-121-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/3808-120-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/3808-122-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/3808-192-0x0000000000400000-0x000000000054A000-memory.dmp

Filesize
1.3MB

Download

Analysis

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