dridex | 43bc7851ebcb8a94552e0dfd4123142507f13f3c33f45b9bbf99b8275ac76475

Analysis

max time kernel
25s
max time network
123s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 01:32

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General

Target

43bc7851ebcb8a94552e0dfd4123142507f13f3c33f45b9bbf99b8275ac76475.dll
Size

158KB
MD5

5df686d0a737a3d75debe01d09616dd7
SHA1

2dad89f0385222f20bf86b5f45b2edc83abfece3
SHA256

43bc7851ebcb8a94552e0dfd4123142507f13f3c33f45b9bbf99b8275ac76475
SHA512

6aa29c07cca47ba243c116f56092723b279a439d1b4a05f399fe9a7b6ec86cf5ae2bbeaf689ebc7132beaeee406ff40c24dbef91ed631e72c4945ea9292fd995

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/4012-115-0x0000000073560000-0x000000007358D000-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 3920 wrote to memory of 4012	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 4012	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 4012	3920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\43bc7851ebcb8a94552e0dfd4123142507f13f3c33f45b9bbf99b8275ac76475.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\43bc7851ebcb8a94552e0dfd4123142507f13f3c33f45b9bbf99b8275ac76475.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4012-114-0x0000000000000000-mapping.dmp

Download
memory/4012-115-0x0000000073560000-0x000000007358D000-memory.dmp

Filesize
180KB

Download
memory/4012-117-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download