dridex | f2a73952e350fdcae1fabceef40d0a2c0247ecb9e728140f138a060d505db97e

Analysis

max time kernel
21s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 01:31

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General

Target

f2a73952e350fdcae1fabceef40d0a2c0247ecb9e728140f138a060d505db97e.dll
Size

158KB
MD5

9b7b89892b3c154dc0658adee3937c74
SHA1

99199a32142210f1df93d75470b3f12c58b22ae0
SHA256

f2a73952e350fdcae1fabceef40d0a2c0247ecb9e728140f138a060d505db97e
SHA512

3249af5463296447371bc8934a870c95b695546c5e6475aa4f48d755de57de1549c37a7c9bee6ddf29d471844c1eead7e37f4a7b7d4335d91899ecf4c6d486dc

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1792-115-0x00000000742B0000-0x00000000742DD000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3156 wrote to memory of 1792	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 1792	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 1792	3156	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2a73952e350fdcae1fabceef40d0a2c0247ecb9e728140f138a060d505db97e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2a73952e350fdcae1fabceef40d0a2c0247ecb9e728140f138a060d505db97e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1792

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/1792-114-0x0000000000000000-mapping.dmp

Download
memory/1792-115-0x00000000742B0000-0x00000000742DD000-memory.dmp

Filesize
180KB

Download
memory/1792-117-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download