Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/08/2026, 21:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe
- Size 1.2MB
- Sample260826-1menmsff22
- SHA256 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5
- MD5 cb41e2cb6f03f90b77b5cebc399071cf
- SHA1 7ef36deaa44313ad3a62da44c8be1627896ef61b
- SHA512 f688d10df88aebb421609ecbfe2ff1bade76bea446032264459f9bddae170ce6546e0a1db39a4e0599cc52f9cf4225b95d0adefdb08ed4b52dc9140af43a11f9
- SSDEEP 24576:avO2xJKRI2FOkx2LFEvcUQPxuZ98Es8k3OH3C0rQ6+8pKJ3:aHHKO29QG5QZuTtS0rQMY9
- TLSH T17F557D21F741C036D5AB017186B94BAFA578BD61072555C7B3C87E3A2FB22D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4876 b3753eec - 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 3 114.114.114.114 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe Destination IP 4 223.5.5.5 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe Destination IP 33 114.114.114.114 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe Destination IP 34 223.5.5.5 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b3753eec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b3753eec File created C:\Windows\SysWOW64\b3753eec bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\537a98 b3753eec File opened for modification C:\Windows\18dbd8 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.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 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b3753eec - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b3753eec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b3753eec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b3753eec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b3753eec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b3753eec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b3753eec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b3753eec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b3753eec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b3753eec - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA b3753eec Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 b3753eec - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4876 b3753eec 4876 b3753eec 4876 b3753eec 4876 b3753eec 4876 b3753eec 4876 b3753eec 4876 b3753eec 4876 b3753eec 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe Token: SeTcbPrivilege 1452 bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe Token: SeDebugPrivilege 4876 b3753eec Token: SeTcbPrivilege 4876 b3753eec
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.exe"C:\Users\Admin\AppData\Local\Temp\bf8317c50f6d21d8d5948bc57230f07aa641ff86141b6ab0fc6ad50273d319b5.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:1452
-
C:\Windows\Syswow64\b3753eecC:\Windows\Syswow64\b3753eec1⤵
- 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:4876
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b3753eec
- Size 1.2MB
- SHA256 0ac78a10101616a3b333980ecf1a8bd014b0e7ce9a9e92c573f46f69190f6611
- MD5 02f721e005697754c84aa9e01faac9f3
- SHA1 7d8d7f4dd0eb9cbb641e971d5de943f7c7a949fb
- SHA512 814dfa0e09aa62080e122c9c20b1767aa180bbc060e5bc4ec18381e8b14e41775cd2486d51196de0d6243128a86b2d16f9cb0874960341159b621b94cd6c9d5d
- SSDEEP 24576:kvO2xJKRI2FOkx2LFEvcUQPxuZ98Es8k3OH3C0rQ6+8pKJ3:kHHKO29QG5QZuTtS0rQMY9
- TLSH T1D6557D21F741C036D5AB017186B94BAFA578BD61072555C7B3C87E3A2FB22D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH