dridex | 48a184e9edb814ab86572d907ceef50a01a9eb15f90be8bf6ce11d3948a396e2

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 14:15

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General

Target

87a701403b06dd427a8b23dd485d70a0N.dll
Size

188KB
MD5

87a701403b06dd427a8b23dd485d70a0
SHA1

92d1c481a80428664d8b6efba255d27fe26273a7
SHA256

48a184e9edb814ab86572d907ceef50a01a9eb15f90be8bf6ce11d3948a396e2
SHA512

b66cc064bee7b6d555da37a8900a87464d86af689d56c17b71a8834b2e7c9fc049f942b206509c6e43312202a05aa5de93f2e2ece8087a9e5343c64572e6c710
SSDEEP

3072:YteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzC9qM:cq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1332-0-0x0000000074D30000-0x0000000074D60000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3004	1332	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 1912 wrote to memory of 1332	1912	rundll32.exe	83
PID 1912 wrote to memory of 1332	1912	rundll32.exe	83
PID 1912 wrote to memory of 1332	1912	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87a701403b06dd427a8b23dd485d70a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\87a701403b06dd427a8b23dd485d70a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 696
    3⤵
    - Program crash
    PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1332 -ip 1332
1⤵
PID:4424

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/1332-0-0x0000000074D30000-0x0000000074D60000-memory.dmp

Filesize
192KB

Download
memory/1332-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

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