dridex | 8351a29675a9b4f027047c2372d3b22705c1c1de9aa36f4a75c5590e103171ee

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 23:27

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General

Target

8351a29675a9b4f027047c2372d3b22705c1c1de9aa36f4a75c5590e103171ee.dll
Size

184KB
MD5

5e6e8bc1bd254454715885cab5dd89ee
SHA1

8fccfafe45b5c4fa5f82a3c64826c8b3805bfaa7
SHA256

8351a29675a9b4f027047c2372d3b22705c1c1de9aa36f4a75c5590e103171ee
SHA512

bb5d44ee5f18461b9747551655dc901e1934cf64620d81ea5d130865dd279246882be99412af68e2629848eaead0d8c979b048d8129bcc54702a4229d81fc1a4
SSDEEP

3072:7uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Kelmsb:57TXYsd9SkONU1jKGlFlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/3024-0-0x0000000074FE0000-0x0000000075010000-memory.dmp	dridex_ldr
behavioral2/memory/3024-3-0x0000000074FE0000-0x0000000075010000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2476	3024	WerFault.exe	81

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3528 wrote to memory of 3024	3528	rundll32.exe	81
PID 3528 wrote to memory of 3024	3528	rundll32.exe	81
PID 3528 wrote to memory of 3024	3528	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8351a29675a9b4f027047c2372d3b22705c1c1de9aa36f4a75c5590e103171ee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8351a29675a9b4f027047c2372d3b22705c1c1de9aa36f4a75c5590e103171ee.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 616
    3⤵
    - Program crash
    PID:2476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3024 -ip 3024
1⤵
PID:2124

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/3024-0-0x0000000074FE0000-0x0000000075010000-memory.dmp

Filesize
192KB

Download
memory/3024-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3024-3-0x0000000074FE0000-0x0000000075010000-memory.dmp

Filesize
192KB

Download