dridex | 857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b

Analysis

max time kernel
95s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 23:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b.dll
Size

184KB
MD5

dba5fc32bf1690d87946fa9546dc92b2
SHA1

b3613ee3d93aa18adfe7f56947ea29fbeb85ef04
SHA256

857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b
SHA512

b8c6bd662b463f4c662fb6668f1ebcba0569539c56a314c65450a2701485544b1d492f38e892650b001930843b7c5759f068dad76e6c0d9eb0f58568cdec5815
SSDEEP

3072:MiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoOlzoxss7:MiLVCIT4WK2z1W+CUHZj4Skq/eaoMoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/5088-1-0x0000000075760000-0x000000007578F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4724 5088 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
4724	5088	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 3856 wrote to memory of 5088	3856	rundll32.exe	rundll32.exe
PID 3856 wrote to memory of 5088	3856	rundll32.exe	rundll32.exe
PID 3856 wrote to memory of 5088	3856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 616
    3⤵
    - Program crash
    PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5088 -ip 5088
1⤵
PID:1000

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

Loading Replay Monitor...

Downloads

memory/5088-0-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/5088-1-0x0000000075760000-0x000000007578F000-memory.dmp

Filesize
188KB

Download
memory/5088-3-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download