dridex | 0da11d93a8578a6585bcf37bf8f1006525e450218e5d4cdc372f90dc666fe853

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 18:51

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General

Target

0da11d93a8578a6585bcf37bf8f1006525e450218e5d4cdc372f90dc666fe853.dll
Size

665KB
MD5

3f88cfbdc1c367333c38e8e9be03f8d1
SHA1

d302dc665f6393974cb909ff28caa1e7ad7c42d3
SHA256

0da11d93a8578a6585bcf37bf8f1006525e450218e5d4cdc372f90dc666fe853
SHA512

2c8565b85702b44ab4650761a18ec1afb31d21c4ab920d4f5892f583fe32dc112e92387e48b254e4bca5b8d78f8bdfbe567c9cb8686fa925d671020a0e3de24f
SSDEEP

6144:AzWxkOP4p2EesvcDi6DOHPJH940eJt0gdl:1SOP47es0e6yHPJHq0ot0cl

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

Processes:

resource	yara_rule
behavioral1/memory/592-1-0x0000000074690000-0x00000000746C1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1632 592 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
1632	592	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2536 wrote to memory of 592	2536	rundll32.exe	rundll32.exe
PID 2536 wrote to memory of 592	2536	rundll32.exe	rundll32.exe
PID 2536 wrote to memory of 592	2536	rundll32.exe	rundll32.exe
PID 2536 wrote to memory of 592	2536	rundll32.exe	rundll32.exe
PID 2536 wrote to memory of 592	2536	rundll32.exe	rundll32.exe
PID 2536 wrote to memory of 592	2536	rundll32.exe	rundll32.exe
PID 2536 wrote to memory of 592	2536	rundll32.exe	rundll32.exe
PID 592 wrote to memory of 1632	592	rundll32.exe	WerFault.exe
PID 592 wrote to memory of 1632	592	rundll32.exe	WerFault.exe
PID 592 wrote to memory of 1632	592	rundll32.exe	WerFault.exe
PID 592 wrote to memory of 1632	592	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0da11d93a8578a6585bcf37bf8f1006525e450218e5d4cdc372f90dc666fe853.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0da11d93a8578a6585bcf37bf8f1006525e450218e5d4cdc372f90dc666fe853.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 592 -s 220
    3⤵
    - Program crash
    PID:1632

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/592-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/592-1-0x0000000074690000-0x00000000746C1000-memory.dmp

Filesize
196KB

Download
memory/592-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download