dridex | e90ceaf051bf1651a4c6caa2e9c63df9ff218939018858e67a79fec6aaa6ed3d

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 03:11

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General

Target

cfd1b7649ec36025ff83e2e9d095d5d0N.dll
Size

188KB
MD5

cfd1b7649ec36025ff83e2e9d095d5d0
SHA1

a8b8fea0ddc5f87b53d26a4cee605264055a0022
SHA256

e90ceaf051bf1651a4c6caa2e9c63df9ff218939018858e67a79fec6aaa6ed3d
SHA512

f5bc124432123512cabc1c36a5f9a54cdc36c844cf1297d83705437bb47f5528b6ae28244ea78ab22474a5cd3504816f977988516628239b206d62d22b37ae86
SSDEEP

3072:FteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz29qM:Bq7fYIHBZkTB6DWruUCOwjt

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/4940-1-0x00000000754C0000-0x00000000754F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3724 4940 WerFault.exe rundll32.exe
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

pid	pid_target	process	target process
3724	4940	WerFault.exe	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	target process
PID 1176 wrote to memory of 4940	1176	rundll32.exe	rundll32.exe
PID 1176 wrote to memory of 4940	1176	rundll32.exe	rundll32.exe
PID 1176 wrote to memory of 4940	1176	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfd1b7649ec36025ff83e2e9d095d5d0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfd1b7649ec36025ff83e2e9d095d5d0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 700
    3⤵
    - Program crash
    PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4940 -ip 4940
1⤵
PID:1332

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/4940-0-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/4940-1-0x00000000754C0000-0x00000000754F0000-memory.dmp

Filesize
192KB

Download
memory/4940-3-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download