dridex | d1b8759921034f8b5dafc4b9151030b6e1c1493f95eba6d91beece2aab4e7e50

Analysis

max time kernel
93s
max time network
95s
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 01:28

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General

Target

438b71da2381388bac50f059e87073f0N.dll
Size

188KB
MD5

438b71da2381388bac50f059e87073f0
SHA1

8546b583f8d743f2d3f2935885d88ac6ff3a2ac4
SHA256

d1b8759921034f8b5dafc4b9151030b6e1c1493f95eba6d91beece2aab4e7e50
SHA512

4e58a5f55f4f154e2019647a6a62cb5fb168b8dc1f3ed08cf982a260cc102c047762d9b83231f7cbed9eec65a47ee0ce13c020760292140bde34ba2698875efb
SSDEEP

3072:9teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzg9qM:Jq7fYIHBZkTB6DWruUCOwjt

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/852-0-0x00000000758F0000-0x0000000075920000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1540	852	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 2308 wrote to memory of 852	2308	rundll32.exe	83
PID 2308 wrote to memory of 852	2308	rundll32.exe	83
PID 2308 wrote to memory of 852	2308	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\438b71da2381388bac50f059e87073f0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\438b71da2381388bac50f059e87073f0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 692
    3⤵
    - Program crash
    PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 852 -ip 852
1⤵
PID:64

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/852-0-0x00000000758F0000-0x0000000075920000-memory.dmp

Filesize
192KB

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memory/852-2-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

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