dridex | 70590e089c1d92117c0b115200a59ad99c3fde352a8f1ac05831306685c038cf

Analysis

max time kernel
98s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/09/2024, 09:23

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General

Target

e1a12bb7dda1c0a71ab56f52d08c6370N.dll
Size

179KB
MD5

e1a12bb7dda1c0a71ab56f52d08c6370
SHA1

a7e1f146b381e0631ffe1ac18f940ede6da9a370
SHA256

70590e089c1d92117c0b115200a59ad99c3fde352a8f1ac05831306685c038cf
SHA512

9ed48aabd3ef37e91f0d68d18a1a97fe066758b49d191bfac995d8a66a7e4ee049dc17f89128a7d92572e07c0bd88469b1c2e1016e13d202f59f47789acaa7d2
SSDEEP

3072:CuCmyBVtWxZCOCA4Hpl1tv18F+yoSJPAacbnid8DOHPJ+HJG:+zWxkOP4pOcDi6DOHPJt

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/1200-1-0x0000000075460000-0x0000000075491000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	1200	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 396 wrote to memory of 1200	396	rundll32.exe	83
PID 396 wrote to memory of 1200	396	rundll32.exe	83
PID 396 wrote to memory of 1200	396	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 636
    3⤵
    - Program crash
    PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1200 -ip 1200
1⤵
PID:3040

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/1200-0-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000075460000-0x0000000075491000-memory.dmp

Filesize
196KB

Download
memory/1200-3-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download