Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 07:59
Behavioral task
behavioral1
Sample
3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe
- Size 873KB
- Sample260809-jvc2caxsdx
- SHA256 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f
- MD5 0fe911056f0a6680aaabc0741ff7c0f2
- SHA1 88b3ac4b29cb5cd2619d31af717bec3f473017a8
- SHA512 075c1c332f3bc660e0afa50ae557cae06c6e99cb9de8ebdb2162330527bdfc8c694d2a03f48ad7ee1cb5fe9cf9a5c8191afa08292b6f9510a7aa96616da9a30e
- SSDEEP 12288:fSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:qvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T15E156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4684 dc075e4c - 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 1 114.114.114.114 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe Destination IP 2 223.5.5.5 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe Destination IP 9 114.114.114.114 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe Destination IP 10 223.5.5.5 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 dc075e4c File created C:\Windows\SysWOW64\dc075e4c 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dc075e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dc075e4c -
resource yara_rule behavioral2/memory/3872-0-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/files/0x0011000000019a98-2.dat upx behavioral2/memory/4684-4-0x00000000006A0000-0x000000000072C000-memory.dmp upx behavioral2/memory/3872-10-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/memory/4684-11-0x00000000006A0000-0x000000000072C000-memory.dmp upx behavioral2/memory/4684-32-0x00000000006A0000-0x000000000072C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\503118 dc075e4c File opened for modification C:\Windows\424a40 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.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 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dc075e4c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dc075e4c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix dc075e4c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" dc075e4c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dc075e4c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dc075e4c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dc075e4c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dc075e4c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" dc075e4c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dc075e4c - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA dc075e4c Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 dc075e4c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4684 dc075e4c 4684 dc075e4c 4684 dc075e4c 4684 dc075e4c 4684 dc075e4c 4684 dc075e4c 4684 dc075e4c 4684 dc075e4c 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe Token: SeTcbPrivilege 3872 3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe Token: SeDebugPrivilege 4684 dc075e4c Token: SeTcbPrivilege 4684 dc075e4c
Processes
-
C:\Users\Admin\AppData\Local\Temp\3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe"C:\Users\Admin\AppData\Local\Temp\3911962fb496ef7d4f68f4afc748ba5494e5b077a8529304d9a83c34ce656b3f.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872
-
C:\Windows\Syswow64\dc075e4cC:\Windows\Syswow64\dc075e4c1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:4396
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dc075e4c
- Size 873KB
- SHA256 70af39f3d17f81b437f174bca2eb7b4625c50906c63b635f127ecc67f0676a94
- MD5 53cc53f73b00f23462765f10cc91aa8b
- SHA1 bf7ac0ae2011b196fa52bcf7729021d1f731c4f5
- SHA512 c23a66376a02d68fbfb178b6742da5d374be3af3ebd4fc048ffc30e6eb3263158d45afcb18e40f9e3613bc7fd6ee23fa8c4bd0c9e72a812dea51068e096a1e42
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:RvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1C7156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH