dridex | 599cd07c66ebc3e1285cf60944734b560160a1b7e8e0933e9a649189fc946919

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 01:46

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General

Target

JaffaCakes118_599cd07c66ebc3e1285cf60944734b560160a1b7e8e0933e9a649189fc946919.dll
Size

161KB
MD5

9e7c85723c0f946a9a066532d2925649
SHA1

a7f6a130d0a7839e227d3ff37b0158138365488f
SHA256

599cd07c66ebc3e1285cf60944734b560160a1b7e8e0933e9a649189fc946919
SHA512

ddd4cefb86ec58922079ca0df6c39ea0c3da0049ce99c4c54745e5d3418d13e54454479298f6b1d3ffdf33c95aa0924f6e8f40a3750d8b7d0cf49fdb0ece4303
SSDEEP

3072:soSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2aGkFY:znS62Fl+pkeJl3CvRStrFl+EYn

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4236-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/4236-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1940	4236	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 2976 wrote to memory of 4236	2976	rundll32.exe	83
PID 2976 wrote to memory of 4236	2976	rundll32.exe	83
PID 2976 wrote to memory of 4236	2976	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599cd07c66ebc3e1285cf60944734b560160a1b7e8e0933e9a649189fc946919.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599cd07c66ebc3e1285cf60944734b560160a1b7e8e0933e9a649189fc946919.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 720
    3⤵
    - Program crash
    PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4236 -ip 4236
1⤵
PID:1244

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/4236-0-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/4236-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/4236-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/4236-3-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download