dridex | 832d4287163710993db877c507f04f2d02fa838e7c0645ed6884523c97796a6c

Analysis

max time kernel
100s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 22:25

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General

Target

5de87cf3b1f715fc92af86d188c64690N.dll
Size

184KB
MD5

5de87cf3b1f715fc92af86d188c64690
SHA1

b4df7a6802fb3478796f3723e2eaa2ec320a0822
SHA256

832d4287163710993db877c507f04f2d02fa838e7c0645ed6884523c97796a6c
SHA512

4d47d7f120ae708eccccd36b4805ec15221f08d495ab995b372ee7c89d885c7d7321aa560798da9dc7c6c653dd73edd4d820926a25330c24193f3bce48ddccbb
SSDEEP

3072:NiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao5lzoxss7:NiLVCIT4WK2z1W+CUHZj4Skq/eaonoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/1972-1-0x0000000074D50000-0x0000000074D7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4472	1972	WerFault.exe	84

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 668 wrote to memory of 1972	668	rundll32.exe	84
PID 668 wrote to memory of 1972	668	rundll32.exe	84
PID 668 wrote to memory of 1972	668	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5de87cf3b1f715fc92af86d188c64690N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5de87cf3b1f715fc92af86d188c64690N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 616
    3⤵
    - Program crash
    PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1972 -ip 1972
1⤵
PID:4808

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/1972-0-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download
memory/1972-1-0x0000000074D50000-0x0000000074D7F000-memory.dmp

Filesize
188KB

Download
memory/1972-3-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download