dridex | 4eb8a4074f851b75de8354505ff3a96d2dd31b3e40687c0ae0e45434b39ede24

Analysis

max time kernel
96s
max time network
103s
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 20:12

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General

Target

97e7001fab8a032173dcd6504d693570N.dll
Size

188KB
MD5

97e7001fab8a032173dcd6504d693570
SHA1

37ff7a9cd326de07d64afb039d073b47db9bed47
SHA256

4eb8a4074f851b75de8354505ff3a96d2dd31b3e40687c0ae0e45434b39ede24
SHA512

848c366211cb9a5af66a2617be0ae117dd920dd9d848f451bf7a57331fe27b0a45da96e9876bfdfac2f992fd3aee89e030832cdd75108f3dd5152a9ae3cb9131
SSDEEP

3072:tteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzC9qM:Zq7fYIHBZkTB6DWruUCOwjt

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/4496-0-0x00000000754C0000-0x00000000754F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1488	4496	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 4580 wrote to memory of 4496	4580	rundll32.exe	83
PID 4580 wrote to memory of 4496	4580	rundll32.exe	83
PID 4580 wrote to memory of 4496	4580	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\97e7001fab8a032173dcd6504d693570N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\97e7001fab8a032173dcd6504d693570N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 692
    3⤵
    - Program crash
    PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4496 -ip 4496
1⤵
PID:3800

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/4496-0-0x00000000754C0000-0x00000000754F0000-memory.dmp

Filesize
192KB

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memory/4496-2-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

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