dridex | af85e97f23a6bf6429de9ca78cde8f90c8c557769abbec9fe86e4c59ecc86e04

Analysis

max time kernel
127s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
14/04/2021, 19:08

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General

Target
af85e97f23a6bf6429de9ca78cde8f90c8c557769abbec9fe86e4c59ecc86e04.dll
Size 162KB
Sample210414-dxbprgja36
SHA256 af85e97f23a6bf6429de9ca78cde8f90c8c557769abbec9fe86e4c59ecc86e04
MD5 fc37a4cd10b09b4d2fbc1635822401e2
SHA1 db5d454685e09e0e6a759c6c1990990ed4cac21e
SHA512 6ab149f5a5b2648c4c1a37a52c678ef9edcd6ffcd7de492212e252ea98d32d00ac079f6c94d76a4f5d5c0c9cebe9ce7032faa5b2bc8d20f02fa7b41aa840888f
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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

resource	yara_rule
behavioral2/memory/3964-115-0x00000000742E0000-0x000000007430E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 3964	3984	rundll32.exe	69
PID 3984 wrote to memory of 3964	3984	rundll32.exe	69
PID 3984 wrote to memory of 3964	3984	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\af85e97f23a6bf6429de9ca78cde8f90c8c557769abbec9fe86e4c59ecc86e04.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\af85e97f23a6bf6429de9ca78cde8f90c8c557769abbec9fe86e4c59ecc86e04.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3964

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/3964-115-0x00000000742E0000-0x000000007430E000-memory.dmp

Download

memory/3964-117-0x0000000002830000-0x00000000028DE000-memory.dmp