dridex | b5b7491186785409797b4fc783b0e6adcde65622bb648da285f45906edb2db6c

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 09:53

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General

Target
b5b7491186785409797b4fc783b0e6adcde65622bb648da285f45906edb2db6c.dll
Size 162KB
Sample210416-5bdlj975dn
SHA256 b5b7491186785409797b4fc783b0e6adcde65622bb648da285f45906edb2db6c
MD5 952553e0d19d39965b5f308b304a4b75
SHA1 c2eca9b7af33acefbab6738a231db2a679489bc5
SHA512 04cc7403f6bf64ede3aebbb82dca68692a31d2ff0951669eb071ab71a6141044a891def0828aa2c243d60bb0ff80bbf243bcb8e2c8b384283eb08e85acfce747
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/1012-115-0x0000000074310000-0x000000007433E000-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 664 wrote to memory of 1012	664	rundll32.exe	69
PID 664 wrote to memory of 1012	664	rundll32.exe	69
PID 664 wrote to memory of 1012	664	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5b7491186785409797b4fc783b0e6adcde65622bb648da285f45906edb2db6c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5b7491186785409797b4fc783b0e6adcde65622bb648da285f45906edb2db6c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1012

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/1012-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/1012-117-0x00000000032E0000-0x00000000032E6000-memory.dmp