Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
27-01-2024 04:36
Static task
static1
Behavioral task
behavioral1
Sample
794a539a61b40d64487b92cbdded0ead.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
794a539a61b40d64487b92cbdded0ead.exe
Resource
win10v2004-20231222-en
General
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Target
794a539a61b40d64487b92cbdded0ead.exe
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Size
414KB
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MD5
794a539a61b40d64487b92cbdded0ead
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SHA1
460a86f59ddcc6f00431e91cf5782751bc6c1480
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SHA256
17f6b899122cf87895db96de393fa5d0f84f2129868ef579fa17cf40b1cbaf77
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SHA512
e97d57f4ffefbc72295eb1c11b8ea2041437e8fb6c2188ea093614ce1d817168aa741a106752e59ca0aa63434b47981edfd49f0f4c999d0ee6da869fbb349489
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SSDEEP
12288:okeVQkTrvj4sX84KLZpx44bbusUfH8B1z:o9QkTf4M842+4bMQz
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2940 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 794a539a61b40d64487b92cbdded0ead.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe Trojan.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe Trojan.exe -
Executes dropped EXE 1 IoCs
pid Process 4588 Trojan.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe 4588 Trojan.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4588 Trojan.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3736 wrote to memory of 4588 3736 794a539a61b40d64487b92cbdded0ead.exe 95 PID 3736 wrote to memory of 4588 3736 794a539a61b40d64487b92cbdded0ead.exe 95 PID 3736 wrote to memory of 4588 3736 794a539a61b40d64487b92cbdded0ead.exe 95 PID 4588 wrote to memory of 2940 4588 Trojan.exe 99 PID 4588 wrote to memory of 2940 4588 Trojan.exe 99 PID 4588 wrote to memory of 2940 4588 Trojan.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\794a539a61b40d64487b92cbdded0ead.exe"C:\Users\Admin\AppData\Local\Temp\794a539a61b40d64487b92cbdded0ead.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Users\Admin\AppData\Local\Temp\Trojan.exe"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2940
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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
414KB
MD5794a539a61b40d64487b92cbdded0ead
SHA1460a86f59ddcc6f00431e91cf5782751bc6c1480
SHA25617f6b899122cf87895db96de393fa5d0f84f2129868ef579fa17cf40b1cbaf77
SHA512e97d57f4ffefbc72295eb1c11b8ea2041437e8fb6c2188ea093614ce1d817168aa741a106752e59ca0aa63434b47981edfd49f0f4c999d0ee6da869fbb349489