dridex | 2eb4f8a3f1d1f9643e80a84b1872123a512ee3a91cb572f1744fb35cfb5a1262

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 21:56

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General

Target

c60e6381e0838118216a041c275ce6c0N.dll
Size

188KB
MD5

c60e6381e0838118216a041c275ce6c0
SHA1

c3c024150cffcd12b9cf31147a57b1a4b29bcd87
SHA256

2eb4f8a3f1d1f9643e80a84b1872123a512ee3a91cb572f1744fb35cfb5a1262
SHA512

0f89536b07343703d3f2be6ce5c3fc5f09ac09888c6ff442a93a25d5742a6fe6941e18615644ee236e1b9387e61a56afa070e9cfbc27bc54198809826a00eb4b
SSDEEP

3072:RteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:9q7fYIHBZkTB6DWruUCOwjt

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

Processes:

resource	yara_rule
behavioral2/memory/5036-1-0x0000000075090000-0x00000000750C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2672	5036	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3084 wrote to memory of 5036	3084	rundll32.exe	84
PID 3084 wrote to memory of 5036	3084	rundll32.exe	84
PID 3084 wrote to memory of 5036	3084	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c60e6381e0838118216a041c275ce6c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c60e6381e0838118216a041c275ce6c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 692
    3⤵
    - Program crash
    PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5036 -ip 5036
1⤵
PID:4832

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/5036-0-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/5036-1-0x0000000075090000-0x00000000750C0000-memory.dmp

Filesize
192KB

Download
memory/5036-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download