dridex | b102b71b3a009400da250012bee5aa137b2f46aa3ac94edf38676f2809cde8b5

Analysis

max time kernel
107s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 01:34

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General

Target

f43d858ad60588dc6c4056b3cff2d140N.dll
Size

184KB
MD5

f43d858ad60588dc6c4056b3cff2d140
SHA1

9fde8cb240de0cdad7133a4c8a5c57ae69ca8cf2
SHA256

b102b71b3a009400da250012bee5aa137b2f46aa3ac94edf38676f2809cde8b5
SHA512

d89244324dd613e6c41d3698d2f488dab1c8cf8d039a6665741ce3520719500e449324125e0750e488e04f36b865bb3c729820482a50d971bd7014fd84af3461
SSDEEP

3072:0iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoGlzoxss7:0iLVCIT4WK2z1W+CUHZj4Skq/eaoUoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/4780-1-0x0000000075380000-0x00000000753AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
932	4780	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 4012 wrote to memory of 4780	4012	rundll32.exe	84
PID 4012 wrote to memory of 4780	4012	rundll32.exe	84
PID 4012 wrote to memory of 4780	4012	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f43d858ad60588dc6c4056b3cff2d140N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f43d858ad60588dc6c4056b3cff2d140N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 616
    3⤵
    - Program crash
    PID:932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4780 -ip 4780
1⤵
PID:3008

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/4780-1-0x0000000075380000-0x00000000753AF000-memory.dmp

Filesize
188KB

Download
memory/4780-0-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/4780-3-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download