Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 17:20
Behavioral task
behavioral1
Sample
c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe
- Size 873KB
- Sample260801-vwvtbstyft
- SHA256 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594
- MD5 46a7e6eb875a4796ff9445daf20f8ada
- SHA1 d457272437717a85f9b262afa8438cfc90a1445b
- SHA512 21fb662eb7dc9e25a4f64f99baf0be17da277ecd687701fffa3c05e731f337b647ab9cf60bae71137fcfff21839abe63b39b9da597ed96ef2243f930fbba5090
- SSDEEP 12288:TSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3uEW:mvO2xJKRh2kOkx2LFxNcUQPxW
- TLSH T1DE156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5068 557bc052 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 2 114.114.114.114 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe Destination IP 4 223.5.5.5 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe Destination IP 11 114.114.114.114 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe Destination IP 12 223.5.5.5 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 557bc052 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 557bc052 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 557bc052 File created C:\Windows\SysWOW64\557bc052 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 557bc052 -
resource yara_rule behavioral2/memory/5080-0-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/files/0x0007000000016cf1-2.dat upx behavioral2/memory/5068-3-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx behavioral2/memory/5080-10-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/memory/5068-11-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx behavioral2/memory/5068-28-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56c418 557bc052 File opened for modification C:\Windows\56f8b0 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 557bc052 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 557bc052 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 557bc052 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 557bc052 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 557bc052 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 557bc052 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 557bc052 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 557bc052 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 557bc052 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5068 557bc052 5068 557bc052 5068 557bc052 5068 557bc052 5068 557bc052 5068 557bc052 5068 557bc052 5068 557bc052 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe Token: SeTcbPrivilege 5080 c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe Token: SeDebugPrivilege 5068 557bc052 Token: SeTcbPrivilege 5068 557bc052
Processes
-
C:\Users\Admin\AppData\Local\Temp\c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe"C:\Users\Admin\AppData\Local\Temp\c761bfd295c09d3644fab2368f2a6d734fbb73dabd4e24a4187ec30a6fd02594.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5080
-
C:\Windows\Syswow64\557bc052C:\Windows\Syswow64\557bc0521⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\557bc052
- Size 873KB
- SHA256 db5705cb66a90d2672c15acc2ea3e53cba8660c74b007f99f0447b4ed1a2a295
- MD5 158473809daec60cf54d2f689275f63d
- SHA1 120817b0205b761f2b6f975b294db2867cbdde3c
- SHA512 8e210c68d01c3546d7fc650ab15794a86d3798d18c06340d68113082138c489296e074fc259171e631966e6015b34615cc64a1a4e678433a2d6426562b2bb9ad
- SSDEEP 12288:DSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3uEW:2vO2xJKRh2kOkx2LFxNcUQPxW
- TLSH T14E156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH