dridex | f1ffb2b1ea57f67d409b423b5af0fed043d1d61e724f3f240b9be2da9dd9906e

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 19:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0bdd80ae08437ec4d05ef44a923e19c0N.dll
Size

274KB
MD5

0bdd80ae08437ec4d05ef44a923e19c0
SHA1

5bad82f89a1ce6d85749e5fc2907b784503636da
SHA256

f1ffb2b1ea57f67d409b423b5af0fed043d1d61e724f3f240b9be2da9dd9906e
SHA512

343989d6f90d32a7e5752e6f0e328deacd9bf7c2804b2f17cd14236806666e55117888e7c92c583cbef3b0c59200d917002e5a5426373e7cc126ac143e6bfa05
SSDEEP

3072:ZuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJn8pu/:FzWxkOP4p2EesvcDi6DOHPJk8pu/

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/2840-1-0x0000000074A50000-0x0000000074A81000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2608	2840	WerFault.exe	28

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 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 2840 wrote to memory of 2608	2840	rundll32.exe	29
PID 2840 wrote to memory of 2608	2840	rundll32.exe	29
PID 2840 wrote to memory of 2608	2840	rundll32.exe	29
PID 2840 wrote to memory of 2608	2840	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bdd80ae08437ec4d05ef44a923e19c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bdd80ae08437ec4d05ef44a923e19c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 220
    3⤵
    - Program crash
    PID:2608

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/2840-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2840-1-0x0000000074A50000-0x0000000074A81000-memory.dmp

Filesize
196KB

Download
memory/2840-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download