Analysis
-
max time kernel
149s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
14/05/2024, 05:31
Behavioral task
behavioral1
Sample
Server.exe
Resource
win10-20240404-en
windows10-1703-x64
9 signatures
150 seconds
General
-
Target
Server.exe
-
Size
37KB
-
MD5
752a64fd1751db27d457d86d46317505
-
SHA1
261d30209383a21c6728c22024bf431bd1f398cd
-
SHA256
b7fb6652fda82e69307406c273b8eb32dd98ebb94c0a70226a036fb64642c0ed
-
SHA512
61be7e274dd2f0c5906bc2af827c4f93fb83272060e9fad49ac9cfb5df8673863d4f8b3d5c98fc4c938e7753811c72078e2fd0e77b11c2c8eae25a3b6c39decb
-
SSDEEP
384:vexqiU354NLHdayszyknI3XBsBsIjCrAF+rMRTyN/0L+EcoinblneHQM3epzXPNb:2lZdJszyknIhKsI2rM+rMRa8Nu5oAt
Score
8/10
Malware Config
Signatures
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4856 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fc1996ad83850009cf195ff31b4d0720.exe Server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fc1996ad83850009cf195ff31b4d0720.exe Server.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\fc1996ad83850009cf195ff31b4d0720 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\fc1996ad83850009cf195ff31b4d0720 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." Server.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 F:\autorun.inf Server.exe File opened for modification F:\autorun.inf Server.exe File created C:\autorun.inf Server.exe File opened for modification C:\autorun.inf Server.exe File created D:\autorun.inf Server.exe -
Kills process with taskkill 1 IoCs
pid Process 2708 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe 1900 Server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1900 Server.exe -
Suspicious use of AdjustPrivilegeToken 38 IoCs
description pid Process Token: SeDebugPrivilege 1900 Server.exe Token: SeDebugPrivilege 2708 taskkill.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe Token: 33 1900 Server.exe Token: SeIncBasePriorityPrivilege 1900 Server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1900 wrote to memory of 4856 1900 Server.exe 74 PID 1900 wrote to memory of 4856 1900 Server.exe 74 PID 1900 wrote to memory of 4856 1900 Server.exe 74 PID 1900 wrote to memory of 2708 1900 Server.exe 76 PID 1900 wrote to memory of 2708 1900 Server.exe 76 PID 1900 wrote to memory of 2708 1900 Server.exe 76
Processes
-
C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE2⤵
- Modifies Windows Firewall
PID:4856
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM Exsample.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2708
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
37KB
MD5752a64fd1751db27d457d86d46317505
SHA1261d30209383a21c6728c22024bf431bd1f398cd
SHA256b7fb6652fda82e69307406c273b8eb32dd98ebb94c0a70226a036fb64642c0ed
SHA51261be7e274dd2f0c5906bc2af827c4f93fb83272060e9fad49ac9cfb5df8673863d4f8b3d5c98fc4c938e7753811c72078e2fd0e77b11c2c8eae25a3b6c39decb