Analysis
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max time kernel
150s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 12:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe
Resource
win7-20240220-en
windows7-x64
11 signatures
150 seconds
General
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Target
7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe
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Size
948KB
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MD5
adcc598af7caec5a2b261c869bf784b0
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SHA1
55eb16719270a3bf2755f1d3435b09078838c49c
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SHA256
7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0
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SHA512
bbfcddd524e5f654290bd30919ed7aad61e64ae3919af202457d74c34b1314b7bb288c1dd8414d02bb8f61a207c8bd9e8fcc98347b9b128e414a72258ecfdd7f
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SSDEEP
24576:n3qKdgSMzbbnNEvizbKZiiwt3Tggzbsye5HMPKZ2W0gXKXJ:naKNMDNqizCeegPsye+PKOZX
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2796 netsh.exe -
Drops startup file 2 IoCs
Processes:
WindowsUpdate.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5a3391652b95668e76de4bdcdda5a9dd.exe WindowsUpdate.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5a3391652b95668e76de4bdcdda5a9dd.exe WindowsUpdate.exe -
Executes dropped EXE 1 IoCs
Processes:
WindowsUpdate.exepid Process 2072 WindowsUpdate.exe -
Loads dropped DLL 1 IoCs
Processes:
7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exepid Process 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
WindowsUpdate.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\5a3391652b95668e76de4bdcdda5a9dd = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe\" .." WindowsUpdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5a3391652b95668e76de4bdcdda5a9dd = "\"C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe\" .." WindowsUpdate.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
Processes:
7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exeWindowsUpdate.exepid Process 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe 2072 WindowsUpdate.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 53 IoCs
Processes:
WindowsUpdate.exedescription pid Process Token: SeDebugPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe Token: 33 2072 WindowsUpdate.exe Token: SeIncBasePriorityPrivilege 2072 WindowsUpdate.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exeWindowsUpdate.exepid Process 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 2072 WindowsUpdate.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exeWindowsUpdate.exedescription pid Process procid_target PID 2172 wrote to memory of 2072 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 28 PID 2172 wrote to memory of 2072 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 28 PID 2172 wrote to memory of 2072 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 28 PID 2172 wrote to memory of 2072 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 28 PID 2172 wrote to memory of 2072 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 28 PID 2172 wrote to memory of 2072 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 28 PID 2172 wrote to memory of 2072 2172 7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe 28 PID 2072 wrote to memory of 2796 2072 WindowsUpdate.exe 29 PID 2072 wrote to memory of 2796 2072 WindowsUpdate.exe 29 PID 2072 wrote to memory of 2796 2072 WindowsUpdate.exe 29 PID 2072 wrote to memory of 2796 2072 WindowsUpdate.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe"C:\Users\Admin\AppData\Local\Temp\7d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe"C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe" "WindowsUpdate.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2796
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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
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Downloads
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Filesize
948KB
MD5adcc598af7caec5a2b261c869bf784b0
SHA155eb16719270a3bf2755f1d3435b09078838c49c
SHA2567d623dcdebf0992732101afeb5c3821ca95e297b2992aef9c16ebb44aa6c47b0
SHA512bbfcddd524e5f654290bd30919ed7aad61e64ae3919af202457d74c34b1314b7bb288c1dd8414d02bb8f61a207c8bd9e8fcc98347b9b128e414a72258ecfdd7f