Analysis
-
max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01-10-2024 05:07
Behavioral task
behavioral1
Sample
ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe
Resource
win10v2004-20240802-en
General
-
Target
ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe
-
Size
36KB
-
MD5
93e930cadd8eadca42a73e0abedf1d60
-
SHA1
7507ba75071929c81e4ebf84b60755a5acfb9148
-
SHA256
ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93
-
SHA512
a60cbd59af079f4852f7e1cef7da9405a294eb70bc5e75eb279eb7d9b1273c5818e5f3349205c0be5c639bb17d5bf667f10036cd52447abf225f38dec2272e8b
-
SSDEEP
768:VOSkaDm6H8T3q+8cUTizxI/MJsEhq5lxOBcmZPt06PjC:VOSkaDFu3q+8cUTi+/V5lxOWmM62
Malware Config
Signatures
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2696 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e77385446d5177065e8064439ce8a10.exe smss.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e77385446d5177065e8064439ce8a10.exe smss.exe -
Executes dropped EXE 1 IoCs
pid Process 2708 smss.exe -
Loads dropped DLL 1 IoCs
pid Process 2712 ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\0e77385446d5177065e8064439ce8a10 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\smss.exe\" .." smss.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\0e77385446d5177065e8064439ce8a10 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\smss.exe\" .." smss.exe -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created D:\autorun.inf smss.exe File created F:\autorun.inf smss.exe File opened for modification F:\autorun.inf smss.exe File created C:\autorun.inf smss.exe File opened for modification C:\autorun.inf smss.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language smss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe 2708 smss.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2708 smss.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe Token: 33 2708 smss.exe Token: SeIncBasePriorityPrivilege 2708 smss.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2712 wrote to memory of 2708 2712 ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe 30 PID 2712 wrote to memory of 2708 2712 ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe 30 PID 2712 wrote to memory of 2708 2712 ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe 30 PID 2712 wrote to memory of 2708 2712 ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe 30 PID 2708 wrote to memory of 2696 2708 smss.exe 31 PID 2708 wrote to memory of 2696 2708 smss.exe 31 PID 2708 wrote to memory of 2696 2708 smss.exe 31 PID 2708 wrote to memory of 2696 2708 smss.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe"C:\Users\Admin\AppData\Local\Temp\ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Users\Admin\AppData\Local\Temp\smss.exe"C:\Users\Admin\AppData\Local\Temp\smss.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\smss.exe" "smss.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2696
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
36KB
MD593e930cadd8eadca42a73e0abedf1d60
SHA17507ba75071929c81e4ebf84b60755a5acfb9148
SHA256ce99437aca8f29cb5e6ac392b376456be01fd3ce5b7820f0647d5f5f363c1f93
SHA512a60cbd59af079f4852f7e1cef7da9405a294eb70bc5e75eb279eb7d9b1273c5818e5f3349205c0be5c639bb17d5bf667f10036cd52447abf225f38dec2272e8b