dridex | 04b8c74da7a411767a3c13b6162d5d9eebdd3793dd1f7d35eb2b670026495a3f

Analysis

max time kernel
47s
max time network
57s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 13:30

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General

Target

04b8c74da7a411767a3c13b6162d5d9eebdd3793dd1f7d35eb2b670026495a3f.dll
Size

161KB
MD5

2ad20badb6c07f33b014ceba26171de8
SHA1

b122ba0f1ad4ba3b4b43e439d0e4fa17bbf5bd7c
SHA256

04b8c74da7a411767a3c13b6162d5d9eebdd3793dd1f7d35eb2b670026495a3f
SHA512

5b44f187268e16718672d502a1652675a56e0cbf11409239c9fa0f040c04f1fb944289fd3e340734eb7763e754093faa2fd4c057c36c2f18318282209b1c508e

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1168-115-0x00000000736D0000-0x00000000736FE000-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 796 wrote to memory of 1168	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1168	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1168	796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04b8c74da7a411767a3c13b6162d5d9eebdd3793dd1f7d35eb2b670026495a3f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04b8c74da7a411767a3c13b6162d5d9eebdd3793dd1f7d35eb2b670026495a3f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1168

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/1168-114-0x0000000000000000-mapping.dmp

Download
memory/1168-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Filesize
184KB

Download
memory/1168-117-0x0000000003260000-0x0000000003266000-memory.dmp

Filesize
24KB

Download