dridex | f1ffb2b1ea57f67d409b423b5af0fed043d1d61e724f3f240b9be2da9dd9906e

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 19:12

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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
behavioral2/memory/4044-1-0x0000000075340000-0x0000000075371000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	4044	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 4044	2636	rundll32.exe	83
PID 2636 wrote to memory of 4044	2636	rundll32.exe	83
PID 2636 wrote to memory of 4044	2636	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bdd80ae08437ec4d05ef44a923e19c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bdd80ae08437ec4d05ef44a923e19c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 640
    3⤵
    - Program crash
    PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4044 -ip 4044
1⤵
PID:3144

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

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Downloads

memory/4044-2-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

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memory/4044-1-0x0000000075340000-0x0000000075371000-memory.dmp

Filesize
196KB

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