dridex | a57af9eef729f33f4137775c7d0f76fe43165015fa29fdb8bbc41a56f5f4c3ce

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 12:01

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General

Target

Trojan.Win32.Dridex.SM.dll
Size

188KB
MD5

8a20bf03c6f6d61273ae786a520ea060
SHA1

6a08b4e23e191b2442a6d6579ae6dc5bf2660d2c
SHA256

a57af9eef729f33f4137775c7d0f76fe43165015fa29fdb8bbc41a56f5f4c3ce
SHA512

f6c0018fcaf6cdc075742d696c4d2ae67d0d73c240b5c8a57c939560fe8539c2335218cef0a7897499686a9c26b81244f8cbf09e504a167c9d06cc625b553792
SSDEEP

3072:lteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:hq7fYIHBZkTB6DWruUCOwjt

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
behavioral1/memory/2168-1-0x0000000074D60000-0x0000000074D90000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2168	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 1900 wrote to memory of 2168	1900	rundll32.exe	30
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31
PID 2168 wrote to memory of 2696	2168	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.SM.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Dridex.SM.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 300
    3⤵
    - Program crash
    PID:2696

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/2168-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x0000000074D60000-0x0000000074D90000-memory.dmp

Filesize
192KB

Download
memory/2168-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download