840319291a9accaec71ad66644a813f372a4f03948f3fcd60859f0923c367c2f

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 16:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe
Size

27KB
MD5

fcbd4404a140866f50c98b8564572545
SHA1

d4eea9ca019e36ce206bb6f51386cb226b45534f
SHA256

840319291a9accaec71ad66644a813f372a4f03948f3fcd60859f0923c367c2f
SHA512

dfe2ad4982f8c76cf2d8d8051970b1fd1a0d32611d77189fb493fa4dfba8180036445b0362701e832f253c1678b374fa83a53b75aa4fad8caff636ae13e7c3be
SSDEEP

384:iXIGP+MQ9aBfDnnWI1k/9lM5YSf0Z9xFMJ5irw6+Tdkn3ouoQXeOBfWB0n6nqWj:nGP+3aBLnFk/XM5yZrCiSTdkuOBfuqW

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\vkokfg\Parameters\ServiceDll = "%SystemRoot%\\System32\\vkokfg.dll"	fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2044	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
4240	fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe
2044	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vkokfg.dll	fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4240	fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe
4240	fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcbd4404a140866f50c98b8564572545_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4240

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k vkokfg
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

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

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\vkokfg.dll

Filesize
20KB

MD5
d1684968e6086ededb7491fc5f2b2a24

SHA1
3644b183bc41798930ddaacb7ed89090720e5f61

SHA256
813012bbace5fcdedea9c5444c8ea65a856f9c3b14d272d85758fa17724e85da

SHA512
dfbe66b6cb42192e883441bd4e310a7e7a027dff526618e7ee8505eaccecfbb20ca2cc0e315293203663e8772a0f36c15599085eb9b4d1266f33df17ba5adb18

Download Submit