dridex | 5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991

General

Target

5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991.dll
Size

923KB
MD5

faa1d202f40fdc1e39b8984a5bc1157d
SHA1

6616e6802419b84fec839cc55ff62fd1539f3ff4
SHA256

5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991
SHA512

fed8bfcdd67da04f995f8fbd00d8b84146358f8cde2d18ad62fff72429a2cb0a9b87d30fa785eaf90265fcecac7f0429e05fb114ba2080a45dc8f817d6cba63b

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2024-62-0x0000000074D10000-0x0000000074E10000-memory.dmp	dridex_ldr
behavioral1/memory/2024-61-0x0000000074D10000-0x0000000074D4D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 2024 rundll32.exe
8 2024 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
6	2024	rundll32.exe
8	2024	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 792 wrote to memory of 2024	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 2024	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 2024	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 2024	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 2024	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 2024	792	rundll32.exe	rundll32.exe
PID 792 wrote to memory of 2024	792	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:792

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2024

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/2024-59-0x0000000000000000-mapping.dmp

Download
memory/2024-60-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/2024-62-0x0000000074D10000-0x0000000074E10000-memory.dmp

Filesize
1024KB

Download
memory/2024-61-0x0000000074D10000-0x0000000074D4D000-memory.dmp

Filesize
244KB

Download
memory/2024-63-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download

Analysis

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