dridex | b725be3c944642a7d09f5a482be9b5b5e4d3ffc49b59d49acf5ddf05be45755b

Analysis

max time kernel
125s
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
19-10-2024 20:36

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General

Target

5e8bc4eaa08af3edaa1d55c461a290de_JaffaCakes118.dll
Size

184KB
MD5

5e8bc4eaa08af3edaa1d55c461a290de
SHA1

9de36f59ff640f25a8a5f33b92f6c527e0e05826
SHA256

b725be3c944642a7d09f5a482be9b5b5e4d3ffc49b59d49acf5ddf05be45755b
SHA512

5366625bbb9afc29419c28646559936cc92169b3c18f6d094c033430d3ad280f7e23cc3fe4a478eb63ad49ff45e30daaf14da893d18592b8a23a4f69d17d4bb2
SSDEEP

3072:zdMzjc3hsj4S/T54/jA03FNzy/SET+88lGBA51FyIqFue:zdhscmTclNbyI

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/4088-1-0x00000000755F0000-0x0000000075620000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1480 4088 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
1480	4088	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 4608 wrote to memory of 4088	4608	rundll32.exe	rundll32.exe
PID 4608 wrote to memory of 4088	4608	rundll32.exe	rundll32.exe
PID 4608 wrote to memory of 4088	4608	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e8bc4eaa08af3edaa1d55c461a290de_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e8bc4eaa08af3edaa1d55c461a290de_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 616
    3⤵
    - Program crash
    PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4088 -ip 4088
1⤵
PID:4072

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/4088-0-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/4088-1-0x00000000755F0000-0x0000000075620000-memory.dmp

Filesize
192KB

Download
memory/4088-3-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download