dridex | a4ea81d11938080ea05500ade4f5330331c9e04453c3533e4831eb4ad8e723ef

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2024, 09:29

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General

Target

JaffaCakes118_a4ea81d11938080ea05500ade4f5330331c9e04453c3533e4831eb4ad8e723ef.dll
Size

188KB
MD5

e6a88d8f3ec060535b938fefc107f4bf
SHA1

65486c79c19d93a017ab932f118553bb53ef7504
SHA256

a4ea81d11938080ea05500ade4f5330331c9e04453c3533e4831eb4ad8e723ef
SHA512

0aaa27430b8f9cec6cb745c6cbc8e0e7e5e9f3053814047a3f321e845d040b0e036171e7fd7a77623f53e1e38a1db8555eef67a67ea38ad9fb174159d1e7c654
SSDEEP

3072:YteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzd9qM:cq7fYIHBZkTB6DWruUCOwjt

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3608-0-0x0000000074BF0000-0x0000000074C20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3064	3608	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 2676 wrote to memory of 3608	2676	rundll32.exe	83
PID 2676 wrote to memory of 3608	2676	rundll32.exe	83
PID 2676 wrote to memory of 3608	2676	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4ea81d11938080ea05500ade4f5330331c9e04453c3533e4831eb4ad8e723ef.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4ea81d11938080ea05500ade4f5330331c9e04453c3533e4831eb4ad8e723ef.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 692
    3⤵
    - Program crash
    PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3608 -ip 3608
1⤵
PID:4364

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/3608-1-0x0000000001590000-0x0000000001596000-memory.dmp

Filesize
24KB

Download
memory/3608-0-0x0000000074BF0000-0x0000000074C20000-memory.dmp

Filesize
192KB

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