Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/09/2026, 21:48
Behavioral task
behavioral1
Sample
76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe
- Size 2.5MB
- Sample260920-1nttysdc53
- SHA256 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16
- MD5 d27a8c54d58e56c1f4e2ecdbea6918f0
- SHA1 dad2d4a9643ea8bab1fb7107f78d781598b42997
- SHA512 d76c99b29a757651eb34888cce87a0faff65b0b202a312df2dc0a384ccd90f18716007ede9beaa87b4f0cc0f576e3809b37896805705f3b4633b30ae4e496dbf
- SSDEEP 49152:4HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:4nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T189C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2892 a36a183c - 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 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe Destination IP 4 223.5.5.5 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe Destination IP 14 114.114.114.114 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe Destination IP 15 223.5.5.5 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a36a183c File created C:\Windows\SysWOW64\a36a183c 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a36a183c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a36a183c -
resource yara_rule behavioral2/memory/4076-0-0x0000000001000000-0x000000000108C000-memory.dmp upx behavioral2/files/0x000f00000001b869-2.dat upx behavioral2/memory/2892-3-0x0000000000070000-0x00000000000FC000-memory.dmp upx behavioral2/memory/4076-10-0x0000000001000000-0x000000000108C000-memory.dmp upx behavioral2/memory/2892-11-0x0000000000070000-0x00000000000FC000-memory.dmp upx behavioral2/memory/2892-30-0x0000000000070000-0x00000000000FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\318318 a36a183c File opened for modification C:\Windows\45c858 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.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 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a36a183c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a36a183c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a36a183c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a36a183c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a36a183c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a36a183c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a36a183c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a36a183c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a36a183c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a36a183c - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2892 a36a183c 2892 a36a183c 2892 a36a183c 2892 a36a183c 2892 a36a183c 2892 a36a183c 2892 a36a183c 2892 a36a183c 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe Token: SeTcbPrivilege 4076 76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe Token: SeDebugPrivilege 2892 a36a183c Token: SeTcbPrivilege 2892 a36a183c
Processes
-
C:\Users\Admin\AppData\Local\Temp\76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.exe"C:\Users\Admin\AppData\Local\Temp\76448fc802a83905fe395892550eb585735fc8351cebe96ddd1c80dcb8016d16.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:4076
-
C:\Windows\Syswow64\a36a183cC:\Windows\Syswow64\a36a183c1⤵
- 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:2892
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a36a183c
- Size 2.5MB
- SHA256 ca04a26b263dca85d4412490763e3eb1fd7d35c3057e356527dccdf0fb049d0a
- MD5 beeabc64d3328bea037b83ef1800e374
- SHA1 f2dffe5b04319fd28be4c66e2bd4738e1d4c1305
- SHA512 9518e9f8b7588ee93104dbc6b61c6a3d3b2b53996db3a75f9854361214c025a3bd87165982f787e34235481446b54c6e048358aeffd28cf275198d287b791b12
- SSDEEP 49152:2HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:2nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T19EC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH