dridex | 4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa

Analysis

max time kernel
25s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:43

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General

Target

4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa.dll
Size

157KB
MD5

3d2f719329a70824a3aea1608d116587
SHA1

eddc3ef8669b04580570cbd9ba4f4f6091519d09
SHA256

4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa
SHA512

d07dbb580a6e7bcf88347a5e3494d12a21838ffb8cee690674b492f97e3b524529b71d315163ef34877d6ddcaa2c857fdd831f84a0b45c410f3c5985686ad628

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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
behavioral2/memory/3920-115-0x00000000735D0000-0x00000000735FD000-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 780 wrote to memory of 3920	780	rundll32.exe	rundll32.exe
PID 780 wrote to memory of 3920	780	rundll32.exe	rundll32.exe
PID 780 wrote to memory of 3920	780	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:780

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fb619606af35bd82f95377cb7c1ab6eb0f92718d890156c83cb8d96635b10fa.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3920

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/3920-114-0x0000000000000000-mapping.dmp

Download
memory/3920-115-0x00000000735D0000-0x00000000735FD000-memory.dmp

Filesize
180KB

Download
memory/3920-117-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download