dridex | 7524d5d5f94f325145520a4f2a56fcb5b6da92d9f87a547570aa3fc9bc856de3

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 09:16

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General

Target

7524d5d5f94f325145520a4f2a56fcb5b6da92d9f87a547570aa3fc9bc856de3N.dll
Size

184KB
MD5

7fe8bab35a8cbce139e3eb406b919b10
SHA1

d3e6fd2289cc807f9dd1b96b7550a0986041bbbb
SHA256

7524d5d5f94f325145520a4f2a56fcb5b6da92d9f87a547570aa3fc9bc856de3
SHA512

a526a006277e4fb6beb86e9b1d587828266fa099e1f605310a2a5fa7fc4ca8176ba34f1be90a216472ef25e0990b889c6159bcdc69e3db9124bc5af1ab49e293
SSDEEP

3072:HJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jxa//2uFrSc:0fYOX+wTScR/Xzku9LVwWuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3760-1-0x0000000075780000-0x00000000757AF000-memory.dmp	dridex_ldr
behavioral2/memory/3760-2-0x0000000075780000-0x00000000757AF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1172	3760	WerFault.exe	82

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 3884 wrote to memory of 3760	3884	rundll32.exe	82
PID 3884 wrote to memory of 3760	3884	rundll32.exe	82
PID 3884 wrote to memory of 3760	3884	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7524d5d5f94f325145520a4f2a56fcb5b6da92d9f87a547570aa3fc9bc856de3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7524d5d5f94f325145520a4f2a56fcb5b6da92d9f87a547570aa3fc9bc856de3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 616
    3⤵
    - Program crash
    PID:1172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3760 -ip 3760
1⤵
PID:3476

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/3760-0-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3760-1-0x0000000075780000-0x00000000757AF000-memory.dmp

Filesize
188KB

Download
memory/3760-3-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3760-2-0x0000000075780000-0x00000000757AF000-memory.dmp

Filesize
188KB

Download