dridex | 244d9304131fcf7bdc8984421465e718cb461c3870a385491e01713e95b8c94a

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 23:38

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General

Target

951e85e8d0e0cd2d77fd631d6650aef0N.dll
Size

188KB
MD5

951e85e8d0e0cd2d77fd631d6650aef0
SHA1

4f29ff01537d3accb67d004a8394c4d2d9926014
SHA256

244d9304131fcf7bdc8984421465e718cb461c3870a385491e01713e95b8c94a
SHA512

a398920458ad84aefa3818d378c8f990941d080b1b89ec4c54dba3c7debb2e3a5d7aecd00755815d68a4e1cb38d3e2c8de0c4cf376e21c81dbf6755667c71a9a
SSDEEP

3072:7teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzh9qM:Tq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/4632-1-0x0000000074950000-0x0000000074980000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1504 4632 WerFault.exe rundll32.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1504	4632	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4404 wrote to memory of 4632	4404	rundll32.exe	rundll32.exe
PID 4404 wrote to memory of 4632	4404	rundll32.exe	rundll32.exe
PID 4404 wrote to memory of 4632	4404	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\951e85e8d0e0cd2d77fd631d6650aef0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\951e85e8d0e0cd2d77fd631d6650aef0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 692
    3⤵
    - Program crash
    PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4632 -ip 4632
1⤵
PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4632-0-0x0000000001450000-0x0000000001456000-memory.dmp

Filesize
24KB

Download
memory/4632-1-0x0000000074950000-0x0000000074980000-memory.dmp

Filesize
192KB

Download
memory/4632-3-0x0000000001450000-0x0000000001456000-memory.dmp

Filesize
24KB

Download