Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 01:43
Behavioral task
behavioral1
Sample
4204b9d4c4df5c4b4d67922db24f342a.exe
Resource
win7-20240221-en
General
-
Target
4204b9d4c4df5c4b4d67922db24f342a.exe
-
Size
3.2MB
-
MD5
4204b9d4c4df5c4b4d67922db24f342a
-
SHA1
9255b5e94028f3f55adda2576d60bd39452eaf08
-
SHA256
62cd7b447bdee3ec1670c92d9585e1fddbaa5d4ee824dee8f15940005bf95414
-
SHA512
0b4ed4d6397c9f34cf2c72d9c581a6e5d94eabf395da0010073b1600883dac6fcc48c1606ffee29952bd60707caf03b8a6d6cf644b2ac668306b4a418d726423
-
SSDEEP
49152:l/Ki16IscOcmroPBql2IzydQgfTzTGKr6d61YryTz3onQqHlfBrfgOtat:Ujpreg7zyWsFGd61QYoHBroO4t
Malware Config
Signatures
-
Modifies firewall policy service 2 TTPs 1 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" 4204b9d4c4df5c4b4d67922db24f342a.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4204b9d4c4df5c4b4d67922db24f342a.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4204b9d4c4df5c4b4d67922db24f342a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4204b9d4c4df5c4b4d67922db24f342a.exe -
Processes:
resource yara_rule behavioral2/memory/2024-0-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-6-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-8-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-7-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-9-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-10-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-11-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-12-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida behavioral2/memory/2024-21-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmp themida -
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4204b9d4c4df5c4b4d67922db24f342a.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.
Processes:
flow ioc 7 api.myip.com 8 api.myip.com 11 ipinfo.io 12 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini 4204b9d4c4df5c4b4d67922db24f342a.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 4204b9d4c4df5c4b4d67922db24f342a.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 4204b9d4c4df5c4b4d67922db24f342a.exe File opened for modification C:\Windows\System32\GroupPolicy 4204b9d4c4df5c4b4d67922db24f342a.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
4204b9d4c4df5c4b4d67922db24f342a.exepid process 2024 4204b9d4c4df5c4b4d67922db24f342a.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4204b9d4c4df5c4b4d67922db24f342a.exe"C:\Users\Admin\AppData\Local\Temp\4204b9d4c4df5c4b4d67922db24f342a.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
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\System32\GroupPolicy\gpt.iniFilesize
127B
MD58ef9853d1881c5fe4d681bfb31282a01
SHA1a05609065520e4b4e553784c566430ad9736f19f
SHA2569228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2
SHA5125ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005
-
memory/2024-7-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-3-0x00007FFA171E0000-0x00007FFA1729E000-memory.dmpFilesize
760KB
-
memory/2024-10-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-11-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-4-0x00007FFA168B0000-0x00007FFA16B79000-memory.dmpFilesize
2.8MB
-
memory/2024-6-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-8-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-0-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-25-0x00007FFA19190000-0x00007FFA19385000-memory.dmpFilesize
2.0MB
-
memory/2024-2-0x00007FFA168B0000-0x00007FFA16B79000-memory.dmpFilesize
2.8MB
-
memory/2024-5-0x00007FFA00030000-0x00007FFA00031000-memory.dmpFilesize
4KB
-
memory/2024-12-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-13-0x00007FFA19190000-0x00007FFA19385000-memory.dmpFilesize
2.0MB
-
memory/2024-1-0x00007FFA00000000-0x00007FFA00002000-memory.dmpFilesize
8KB
-
memory/2024-21-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB
-
memory/2024-23-0x00007FFA00000000-0x00007FFA00002000-memory.dmpFilesize
8KB
-
memory/2024-24-0x00007FFA168B0000-0x00007FFA16B79000-memory.dmpFilesize
2.8MB
-
memory/2024-9-0x00007FF6C4FB0000-0x00007FF6C5A11000-memory.dmpFilesize
10.4MB