dridex | cd9317bed7946001730012e493694bc3b5a01cc833937b43e25e9d595713662e

Analysis

max time kernel
24s
max time network
75s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:24

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General

Target

cd9317bed7946001730012e493694bc3b5a01cc833937b43e25e9d595713662e.dll
Size

158KB
MD5

a98b4d3a05563aa5482fa7f7098ef48e
SHA1

258b7b47cc3fbba2e48b7697f8fa2ad34c8439c7
SHA256

cd9317bed7946001730012e493694bc3b5a01cc833937b43e25e9d595713662e
SHA512

7e79b52db0fe9953f969c3bbbc3c21a55400f64f4a48aba224d06adf46202aa55cc4f93cef3d96b6132a18d0f65bd1318dcad6c5b863ae13005ebd4169cc1d3d

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/4068-115-0x00000000755E0000-0x000000007560D000-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 3944 wrote to memory of 4068	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 4068	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 4068	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd9317bed7946001730012e493694bc3b5a01cc833937b43e25e9d595713662e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd9317bed7946001730012e493694bc3b5a01cc833937b43e25e9d595713662e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4068

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/4068-114-0x0000000000000000-mapping.dmp

Download
memory/4068-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Filesize
180KB

Download
memory/4068-117-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download