dridex | a57af9eef729f33f4137775c7d0f76fe43165015fa29fdb8bbc41a56f5f4c3ce

Analysis

max time kernel
102s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2024, 12:01

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General

Target
Trojan.Win32.Dridex.SM.dll
Size 188KB
Sample240918-n7bfhazapb
SHA256 a57af9eef729f33f4137775c7d0f76fe43165015fa29fdb8bbc41a56f5f4c3ce
MD5 8a20bf03c6f6d61273ae786a520ea060
SHA1 6a08b4e23e191b2442a6d6579ae6dc5bf2660d2c
SHA512 f6c0018fcaf6cdc075742d696c4d2ae67d0d73c240b5c8a57c939560fe8539c2335218cef0a7897499686a9c26b81244f8cbf09e504a167c9d06cc625b553792
SSDEEP 3072:lteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:hq7fYIHBZkTB6DWruUCOwjt
MD5 SHA1 SHA512 SSDEEP

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/1384-0-0x0000000075070000-0x00000000750A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4828	1384	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 1824 wrote to memory of 1384	1824	rundll32.exe	84
PID 1824 wrote to memory of 1384	1824	rundll32.exe	84
PID 1824 wrote to memory of 1384	1824	rundll32.exe	84

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:1824
- 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
  PID:1384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 692
    3⤵
    - Program crash
    PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1384 -ip 1384
1⤵
PID:3408

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/1384-0-0x0000000075070000-0x00000000750A0000-memory.dmp

Download

memory/1384-2-0x0000000000470000-0x0000000000476000-memory.dmp