dridex | 8ce6a5484b7bac3edbc4d2dd60ecedf443011f27a35665c9f4973bff741c20e4

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 04:57

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General

Target

8ce6a5484b7bac3edbc4d2dd60ecedf443011f27a35665c9f4973bff741c20e4.dll
Size

180KB
MD5

d1bfd09192f2272e5b99bcebbc0f7b65
SHA1

96faed641317e78c1edc5be1b7ce108433224826
SHA256

8ce6a5484b7bac3edbc4d2dd60ecedf443011f27a35665c9f4973bff741c20e4
SHA512

3051946b86e620c27efa38b6bd6e539281feaf802e1304f4fa4724df055d112f03cca98cad084af350c68388bb34b25f2349eab35e112dccf0e3cf2f1d69a9bc
SSDEEP

3072:zy9p0m9FOGDv64TOvqdjR91E404PUW6bKHJZK0Bzb5reav:zy9p0bG6q7040aBfK0db5n

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

212.237.17.99:443

176.28.17.160:6602

51.254.140.238:8333

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/628-1-0x00000000753E0000-0x000000007540F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3796 628 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
3796	628	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 4744 wrote to memory of 628	4744	rundll32.exe	rundll32.exe
PID 4744 wrote to memory of 628	4744	rundll32.exe	rundll32.exe
PID 4744 wrote to memory of 628	4744	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ce6a5484b7bac3edbc4d2dd60ecedf443011f27a35665c9f4973bff741c20e4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ce6a5484b7bac3edbc4d2dd60ecedf443011f27a35665c9f4973bff741c20e4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 620
    3⤵
    - Program crash
    PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 628 -ip 628
1⤵
PID:312

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/628-0-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/628-1-0x00000000753E0000-0x000000007540F000-memory.dmp

Filesize
188KB

Download
memory/628-3-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

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