dridex | bfa34049fa0089c12fc1907e7c914aa971ab2ac6e11819c537ff7c9223369c26

Analysis

max time kernel
29s
max time network
105s
platform
windows7_x64
resource
win7v20210408
submitted
11-05-2021 13:42

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General

Target

bfa34049fa0089c12fc1907e7c914aa971ab2ac6e11819c537ff7c9223369c26.dll
Size

162KB
MD5

a868f6223efd4ea597f96eeb62f8b2ef
SHA1

5c11c48231aacab5fa132ef971c77400adba25fa
SHA256

bfa34049fa0089c12fc1907e7c914aa971ab2ac6e11819c537ff7c9223369c26
SHA512

b35621c8a5672ff3c914a1a39f55085b88e81c32c278e4821fd6449d29bcd4989ec8737e11f1b17853c938ddd9ce90233c5c3d595772fde306557f17ecc70ab5

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1828-62-0x00000000746B0000-0x00000000746DE000-memory.dmp	dridex_ldr

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

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 756 wrote to memory of 1828	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1828	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1828	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1828	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1828	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1828	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1828	756	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfa34049fa0089c12fc1907e7c914aa971ab2ac6e11819c537ff7c9223369c26.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfa34049fa0089c12fc1907e7c914aa971ab2ac6e11819c537ff7c9223369c26.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1828

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1828-60-0x0000000000000000-mapping.dmp

Download
memory/1828-61-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1828-62-0x00000000746B0000-0x00000000746DE000-memory.dmp

Filesize
184KB

Download
memory/1828-64-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download