dridex | b8bbbc0ea51526a9e25ae9c5adcc358df037e48bd1860067743a30a114217562

Analysis

max time kernel
111s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 01:25

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General

Target

c0be6c6bd0c31c6f402748ed79325ee0N.dll
Size

188KB
MD5

c0be6c6bd0c31c6f402748ed79325ee0
SHA1

0f61fd2e7e8e79936b21e344b22b9f44fdd19920
SHA256

b8bbbc0ea51526a9e25ae9c5adcc358df037e48bd1860067743a30a114217562
SHA512

c5472f30ddba0d6b88b6a2d968ae06c00595d9f0c727281ae207a7a2d54913fd869eab7a82e7a3e1e1dafbbbb4f589e901221b800db648777e274b3bc794ea13
SSDEEP

3072:+teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzC9qM:2q7fYIHBZkTB6DWruUCOwjt

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

resource	yara_rule
behavioral1/memory/3004-1-0x0000000075210000-0x0000000075240000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2632	3004	WerFault.exe	31

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

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3004	2956	rundll32.exe	31
PID 2956 wrote to memory of 3004	2956	rundll32.exe	31
PID 2956 wrote to memory of 3004	2956	rundll32.exe	31
PID 2956 wrote to memory of 3004	2956	rundll32.exe	31
PID 2956 wrote to memory of 3004	2956	rundll32.exe	31
PID 2956 wrote to memory of 3004	2956	rundll32.exe	31
PID 2956 wrote to memory of 3004	2956	rundll32.exe	31
PID 3004 wrote to memory of 2632	3004	rundll32.exe	32
PID 3004 wrote to memory of 2632	3004	rundll32.exe	32
PID 3004 wrote to memory of 2632	3004	rundll32.exe	32
PID 3004 wrote to memory of 2632	3004	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0be6c6bd0c31c6f402748ed79325ee0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0be6c6bd0c31c6f402748ed79325ee0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 300
    3⤵
    - Program crash
    PID:2632

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/3004-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/3004-1-0x0000000075210000-0x0000000075240000-memory.dmp

Filesize
192KB

Download
memory/3004-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download