Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/05/2026, 19:54
Behavioral task
behavioral1
Sample
cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe
- Size 640KB
- Sample260502-ymst6ae12x
- SHA256 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71
- MD5 e40bad83ffc3c1c59177843f7daee63e
- SHA1 ca612ce8869f602a1c846c5529a67f262128dc15
- SHA512 d432c7a56db29f879ed716a86668eb97b589d13d412086a9b9128871f285320b3e36292f7b07139ea97b936b871c4a36b17ab0646711637eec8b2f78773404bc
- SSDEEP 6144:pcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:pSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1AED45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3332 b278b9a0 - Unexpected DNS network traffic destination 6 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 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe Destination IP 6 223.5.5.5 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe Destination IP 63 114.114.114.114 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe Destination IP 64 223.5.5.5 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe Destination IP 76 114.114.114.114 3332 b278b9a0 Destination IP 77 223.5.5.5 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b278b9a0 File created C:\Windows\SysWOW64\b278b9a0 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b278b9a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b278b9a0 -
resource yara_rule behavioral1/memory/2208-0-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral1/files/0x000600000002274e-3.dat upx behavioral1/memory/3332-4-0x0000000000BE0000-0x0000000000C6C000-memory.dmp upx behavioral1/memory/2208-10-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral1/memory/3332-11-0x0000000000BE0000-0x0000000000C6C000-memory.dmp upx behavioral1/memory/3332-30-0x0000000000BE0000-0x0000000000C6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\25cd40 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe File opened for modification C:\Windows\390b88 b278b9a0 - 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 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b278b9a0 - 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" b278b9a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b278b9a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b278b9a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b278b9a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b278b9a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b278b9a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b278b9a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b278b9a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b278b9a0 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA b278b9a0 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 b278b9a0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3332 b278b9a0 3332 b278b9a0 3332 b278b9a0 3332 b278b9a0 3332 b278b9a0 3332 b278b9a0 3332 b278b9a0 3332 b278b9a0 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe Token: SeTcbPrivilege 2208 cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe Token: SeDebugPrivilege 3332 b278b9a0 Token: SeTcbPrivilege 3332 b278b9a0
Processes
-
C:\Users\Admin\AppData\Local\Temp\cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.exe"C:\Users\Admin\AppData\Local\Temp\cf15034b93efb5a850846fb2240cfdb90d0ee3a912768bf7fe3394cc3827bb71.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:2208
-
C:\Windows\Syswow64\b278b9a0C:\Windows\Syswow64\b278b9a01⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:3332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b278b9a0
- Size 640KB
- SHA256 cb9b2cd7e6d30567f9fb1be71b2776eb13ab9f0344ed5512233ff9dad0b28b4e
- MD5 4f7c7be2892d021a4daced711e01e14b
- SHA1 496ac95c098847759c89ab40b21c29b56dc77dff
- SHA512 3837d2a74cfca888b62873c41381c63308bd33c864d1f09dbb4bdb83c313058fd53683886634d4903ae0dc59719dd13918d144c92f4294f466f1a2c98b7109e9
- SSDEEP 6144:LcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:LSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T186D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH