b4b33fa266678106423be8f08882a97d955d3b33faa7cfbccacca4fa31899f51

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 00:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
Size

90KB
MD5

d0b8bfb08ed7f03e5467fa8bf9de3831
SHA1

2c41bbd2ecb81fc310244c22ec6921b54b962d45
SHA256

b4b33fa266678106423be8f08882a97d955d3b33faa7cfbccacca4fa31899f51
SHA512

6c6ec8c0e23237dfdff807c4eea2f9bbac91511173e53317727c240ab03a479f1ff5a2a02993e47c9471a97a1d01789e795d8536f2e529047faca41dc1f2d6e6
SSDEEP

1536:b3HdiLZIs1nwNvFGhfnu5e678dOGZiacNdIlqUcybEdf0bgtIY8+Qbh4v765qZpY:b30LZI0nkdGAIMhlNdIQUcy+f0bgtp8j

Score

8^/10

defense_evasion discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\AppMgmt\Parameters\ServiceDll = "C:\\Progra~1\\%Program Files%\\QQ2012.url"	laass.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\AppMgmt\Parameters\ServiceDll = "C:\\Progra~1\\%Program Files%\\QQ2012.url"	rundll32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4200	laass.exe

Loads dropped DLL 2 IoCs

pid	Process
4200	laass.exe
4268	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "file:c:\\windows\\362.VBS"	laass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "file:c:\\windows\\362.VBS"	rundll32.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Progra~1\%Program Files%\~	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\QQ2012.url	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
File opened for modification	C:\Progra~1\%Program Files%\QQ2012.url	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
File opened for modification	\??\c:\Program Files\%Program Files%	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\laass.exe	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\363.VBS	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
File created	C:\Progra~1\%Program Files%\Cest.bat	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\best.bat	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
File created	C:\windows\362.vbs	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	laass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe
4200	laass.exe
4200	laass.exe
4268	rundll32.exe
4268	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4268	rundll32.exe
4200	laass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 4200	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	88
PID 1748 wrote to memory of 4200	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	88
PID 1748 wrote to memory of 4200	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	88
PID 1748 wrote to memory of 4268	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	89
PID 1748 wrote to memory of 4268	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	89
PID 1748 wrote to memory of 4268	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	89
PID 1748 wrote to memory of 1512	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	90
PID 1748 wrote to memory of 1512	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	90
PID 1748 wrote to memory of 1512	1748	d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d0b8bfb08ed7f03e5467fa8bf9de3831_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Program Files\%Program Files%\laass.exe
  "C:\Program Files\%Program Files%\laass.exe" QQ2012.url main
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4200
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" QQ2012.url main
  2⤵
  - Server Software Component: Terminal Services DLL
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4268
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\D0B8BF~1.EXE > nul & rd c:\%Progr~1 > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\%Program Files%\laass.exe

Filesize
9KB

MD5
359c541c07a39ab11bb45aad29b2d2ce

SHA1
3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

SHA256
6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

SHA512
768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

Download Submit
\??\c:\ntldr.sys

Filesize
88B

MD5
a78667573d9a9ceb25a0d4e1a7a2db8b

SHA1
9a4a9cf44d39df2a24f86fc332cb3782eef8876d

SHA256
49a93525279882890cb85cb794dfebd8fdc1f10fe0127d016ff1fc864a65167a

SHA512
67276d58e5e98e5cfc1853a4b405390f8d9cad8171dc75b99878a8d5e7ddfbef7694fa5be5e50b733b0986301fef6a73171fef2c7b63d2473ba4a2dc105a5d18

Download Submit
memory/1748-7-0x0000000000400000-0x00000000012FA0FE-memory.dmp

Filesize
15.0MB

Download
memory/1748-8-0x0000000000401000-0x00000000012E5000-memory.dmp

Filesize
14.9MB

Download
memory/1748-23-0x0000000000401000-0x00000000012E5000-memory.dmp

Filesize
14.9MB

Download
memory/1748-24-0x0000000000400000-0x00000000012FA0FE-memory.dmp

Filesize
15.0MB

Download
memory/4200-27-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/4200-29-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/4268-30-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download