dridex | 8e9e39ebe944d64be5cea62f70f78a9e4bd06b613b5088898f639d925ea82faf

Analysis

max time kernel
105s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 05:26

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General

Target
8e9e39ebe944d64be5cea62f70f78a9e4bd06b613b5088898f639d925ea82faf.dll
Size 162KB
Sample210419-7trfdj5bl6
SHA256 8e9e39ebe944d64be5cea62f70f78a9e4bd06b613b5088898f639d925ea82faf
MD5 6b7ffa8591e184484c282723c90f072d
SHA1 d034d6f56d2faf5634e0cac7f8fbc7c1c20b095d
SHA512 17bb169535ccb7aa9347c0b0b1aaf6f4383944844aec1e330b6239300bcf047b7b29d3ef3e8ef1ee7a4006c218c16a92eb55710894c556212b271032a4fc71d8
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/4712-115-0x0000000073C30000-0x0000000073C5E000-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 4660 wrote to memory of 4712	4660	rundll32.exe	68
PID 4660 wrote to memory of 4712	4660	rundll32.exe	68
PID 4660 wrote to memory of 4712	4660	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e9e39ebe944d64be5cea62f70f78a9e4bd06b613b5088898f639d925ea82faf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e9e39ebe944d64be5cea62f70f78a9e4bd06b613b5088898f639d925ea82faf.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4712

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/4712-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Download

memory/4712-117-0x0000000000510000-0x000000000065A000-memory.dmp