dridex | af5494add4f6df62ac8c82f655ecb7bbbba717ce96b40167a66d2a937740dacd

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2024 00:32

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General

Target

76bf74263c2c9f7a0ea37ab7869c7d1f_JaffaCakes118.dll
Size

184KB
MD5

76bf74263c2c9f7a0ea37ab7869c7d1f
SHA1

6a6a35016b5a1cc1e17b0808f88a4ba4a723cb33
SHA256

af5494add4f6df62ac8c82f655ecb7bbbba717ce96b40167a66d2a937740dacd
SHA512

1610d7d9605257c6ee88a0f06d07ef06730ce230059269502cbd60b2e4c46eb5660961787ba26f9ee7618f32d2f2ddddd0d8fe66b1f7e9fe2419a598d972a1bd
SSDEEP

3072:6DHMD9LnP1KxPqM8/1xYTCKJJ+xpm2s7E7jnR1VzGQiEFMFAsvQ:SMhP1cq7/16CT9jnR1Vz7iv

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

137.74.112.43:443

216.108.227.55:6225

94.177.176.51:5723

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

Processes:

resource	yara_rule
behavioral2/memory/4852-0-0x0000000074D50000-0x0000000074D80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

344 4852 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
344	4852	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 4452 wrote to memory of 4852	4452	rundll32.exe	rundll32.exe
PID 4452 wrote to memory of 4852	4452	rundll32.exe	rundll32.exe
PID 4452 wrote to memory of 4852	4452	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76bf74263c2c9f7a0ea37ab7869c7d1f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\76bf74263c2c9f7a0ea37ab7869c7d1f_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 620
    3⤵
    - Program crash
    PID:344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4852 -ip 4852
1⤵
PID:4796

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/4852-0-0x0000000074D50000-0x0000000074D80000-memory.dmp

Filesize
192KB

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memory/4852-2-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

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