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
27/08/2026, 07:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe
- Size 704KB
- Sample260827-jay33s1clb
- SHA256 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d
- MD5 0b4e6997942214f180e66896abb549b2
- SHA1 361865c704731cb6d7fef7634aef0d9135c81100
- SHA512 36f93a106c03bd8bff9419d1287acdf37b936d3b294bf0e3a7d9ef63cfbd993eb5e7011f4a3029f0b8afa89196fb8558bbe12e51d392b8f40a4f1f06e62304b6
- SSDEEP 12288:VSvO2x9mONvKRILSF/Okx2LIatyVuX13kdB4YSYVWd:UvO2xJKRI2dOkx2LFAAX1oOYSY8d
- TLSH T1ADE48B12F791C172C86746B488A7476EAA75BD1523204BCBE7907E5A8EB33D1BC3930D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5860 40fc0a8b - 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 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe Destination IP 4 223.5.5.5 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe Destination IP 16 114.114.114.114 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe Destination IP 18 223.5.5.5 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\40fc0a8b a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 40fc0a8b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 40fc0a8b - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\645348 40fc0a8b File opened for modification C:\Windows\5f99a0 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.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 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 40fc0a8b - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 40fc0a8b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 40fc0a8b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 40fc0a8b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 40fc0a8b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 40fc0a8b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 40fc0a8b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 40fc0a8b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 40fc0a8b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 40fc0a8b - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5860 40fc0a8b 5860 40fc0a8b 5860 40fc0a8b 5860 40fc0a8b 5860 40fc0a8b 5860 40fc0a8b 5860 40fc0a8b 5860 40fc0a8b 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe Token: SeTcbPrivilege 5584 a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe Token: SeDebugPrivilege 5860 40fc0a8b Token: SeTcbPrivilege 5860 40fc0a8b
Processes
-
C:\Users\Admin\AppData\Local\Temp\a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.exe"C:\Users\Admin\AppData\Local\Temp\a8f2cd0fd34650074adcd88e5d5e1f200331029e4a3f76f3b9a213d6574c1b1d.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:5584
-
C:\Windows\Syswow64\40fc0a8bC:\Windows\Syswow64\40fc0a8b1⤵
- 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:5860
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\40fc0a8b
- Size 704KB
- SHA256 4e29ad47cd9d73fecb29fdd9ca8284af963345534e0cf52e05eff9c81df10be0
- MD5 dfb6cb3eab8db7f7d3c08aa56a935261
- SHA1 f816cb1ff1d93551dd38f803fc03a1df99b6b28a
- SHA512 c663df50092b0d1053813477253305ca56d2bcc1dc90c191722441137cbf2ce70e29f70c2128ca0ddae59d94a4cd13caf7a74ca2326f7945411ac5d84bc131c7
- SSDEEP 12288:ESvO2x9mONvKRILSF/Okx2LIatyVuX13kdB4YSYVWd:3vO2xJKRI2dOkx2LFAAX1oOYSY8d
- TLSH T135E48B12F791C172C86746B488A7476EAA75BD1523204BCBE7907E5A8EB33D1BC3930D
- MD5 SHA1 SHA512 SSDEEP TLSH