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240415-wsg9hach35 7Analysis
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max time kernel
601s -
max time network
490s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2024 18:35
Behavioral task
behavioral1
Sample
setup.exe
Resource
win10-20240319-en
General
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Target
setup.exe
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Size
700.0MB
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MD5
6d23d8dee5299700881a3e484eef8a9c
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SHA1
43b0c7e5bea63447ef78225d76fb47c6b29a4381
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SHA256
9383433f5dd673392f5dc01b0a8e84e063bf182cdb46fa49000a0b890f448240
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SHA512
c98754f41c3f094dc4d39f486c9ac0b6f91977258ba1a347c0914c00e47bf995398a5c4572a8ea5d529a28c12a71b6bfb09869bd9187416e31978440b33a4e87
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SSDEEP
49152:GnjzX9RG5mnTDunfqNMP9Pyz6DMPCMTbzdZEmqyXVSY+wfdH1rFuzi56M/cH1oYI:OD9cSfX69PvQP1vFqyXHvsnM/PbQi
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" setup.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ setup.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion setup.exe -
resource yara_rule behavioral2/memory/4332-0-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-4-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-6-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-7-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-8-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-9-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-10-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-11-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida behavioral2/memory/4332-20-0x00007FF784D00000-0x00007FF785564000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA setup.exe -
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 32 api.myip.com 33 ipinfo.io 35 ipinfo.io 29 api.myip.com -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI setup.exe File opened for modification C:\Windows\System32\GroupPolicy setup.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini setup.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol setup.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4332 setup.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4332
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4896
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:1572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
127B
MD58ef9853d1881c5fe4d681bfb31282a01
SHA1a05609065520e4b4e553784c566430ad9736f19f
SHA2569228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2
SHA5125ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005