Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 14:16
Static task
static1
Behavioral task
behavioral1
Sample
4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe
Resource
win10v2004-20240508-en
General
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Target
4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe
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Size
804KB
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MD5
28d0b2cee398061a43e4b5cd5274d1cc
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SHA1
e9c41579e65742d367de7a2967e3f381514662d3
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SHA256
4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e
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SHA512
be28f02c86c4a8bc815835b9e9d8cea92806b77419432805acc5a005172889a8762ccba506dcf513b7e4d2919367ee42af6eecd249b3e0725d153636f37c7ee8
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SSDEEP
12288:AHcvn0+xAE2Hcvn0+xAE2Hcvn0+xAE2Hcvn0+xAEd2iNuHcvn0+xAEX4kDmbDm0C:9TJTJTJTv1xTbmbS0Kt
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4008 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe -
Drops startup file 2 IoCs
Processes:
microsoftx.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\69fac9529d1ca1e2d66c9edf70af1f9d.exe microsoftx.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\69fac9529d1ca1e2d66c9edf70af1f9d.exe microsoftx.exe -
Executes dropped EXE 1 IoCs
Processes:
microsoftx.exepid process 2108 microsoftx.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
microsoftx.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\69fac9529d1ca1e2d66c9edf70af1f9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\microsoftx.exe\" .." microsoftx.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\69fac9529d1ca1e2d66c9edf70af1f9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\microsoftx.exe\" .." microsoftx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 33 IoCs
Processes:
microsoftx.exedescription pid process Token: SeDebugPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe Token: 33 2108 microsoftx.exe Token: SeIncBasePriorityPrivilege 2108 microsoftx.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exemicrosoftx.exedescription pid process target process PID 2264 wrote to memory of 2108 2264 4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe microsoftx.exe PID 2264 wrote to memory of 2108 2264 4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe microsoftx.exe PID 2264 wrote to memory of 2108 2264 4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe microsoftx.exe PID 2108 wrote to memory of 4008 2108 microsoftx.exe netsh.exe PID 2108 wrote to memory of 4008 2108 microsoftx.exe netsh.exe PID 2108 wrote to memory of 4008 2108 microsoftx.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe"C:\Users\Admin\AppData\Local\Temp\4b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Users\Admin\AppData\Local\Temp\microsoftx.exe"C:\Users\Admin\AppData\Local\Temp\microsoftx.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\microsoftx.exe" "microsoftx.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:4008
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
804KB
MD528d0b2cee398061a43e4b5cd5274d1cc
SHA1e9c41579e65742d367de7a2967e3f381514662d3
SHA2564b8d9773b48344c7745f829df9f3ad3a4a68358f0067c09603ad18a742e8cc0e
SHA512be28f02c86c4a8bc815835b9e9d8cea92806b77419432805acc5a005172889a8762ccba506dcf513b7e4d2919367ee42af6eecd249b3e0725d153636f37c7ee8