Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 08:04
Behavioral task
behavioral1
Sample
c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe
- Size 560KB
- Sample260730-jyfawaeb43
- SHA256 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408
- MD5 8a6196ebf7daa157c39dd81f0346181b
- SHA1 3a91a348e2bbef86566fafc7b759e4782cd41027
- SHA512 6d96c7a42024a188938a67c95fca29d4a3cad956197fcc89d3fb06a0c1122ef3b7ba782c991f64b4ee7c4307fb38b9328e88d7fe60c3a6ab2c1b3c9f505a1ef5
- SSDEEP 6144:t8WVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:GkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T17FC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3884 4a574b4a - 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 14 114.114.114.114 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe Destination IP 15 223.5.5.5 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe Destination IP 1 114.114.114.114 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe Destination IP 4 223.5.5.5 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4a574b4a File created C:\Windows\SysWOW64\4a574b4a c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 4a574b4a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4a574b4a -
resource yara_rule behavioral2/memory/1756-0-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/files/0x000b00000001b315-2.dat upx behavioral2/memory/3884-3-0x00000000003D0000-0x000000000045C000-memory.dmp upx behavioral2/memory/1756-10-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/memory/3884-11-0x00000000003D0000-0x000000000045C000-memory.dmp upx behavioral2/memory/3884-34-0x00000000003D0000-0x000000000045C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\427ed8 4a574b4a File opened for modification C:\Windows\1e1038 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.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 4a574b4a Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe - 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\Content\CachePrefix 4a574b4a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4a574b4a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4a574b4a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4a574b4a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4a574b4a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4a574b4a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4a574b4a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4a574b4a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4a574b4a - Modifies system certificate store 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 4a574b4a Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 4a574b4a Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3884 4a574b4a 3884 4a574b4a 3884 4a574b4a 3884 4a574b4a 3884 4a574b4a 3884 4a574b4a 3884 4a574b4a 3884 4a574b4a 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe Token: SeTcbPrivilege 1756 c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe Token: SeDebugPrivilege 3884 4a574b4a Token: SeTcbPrivilege 3884 4a574b4a
Processes
-
C:\Users\Admin\AppData\Local\Temp\c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.exe"C:\Users\Admin\AppData\Local\Temp\c667ac231b7269ff3851558ef757271b38fda8b576928773842e646f9829e408.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:1756
-
C:\Windows\Syswow64\4a574b4aC:\Windows\Syswow64\4a574b4a1⤵
- 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:3884
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4a574b4a
- Size 560KB
- SHA256 ba34d1262a7aae23e0f8ba3b3349b37118a46f8e51ecea68144372e1c75f65ef
- MD5 9fee43c1d6dcc0af7f70dfcca03a0c44
- SHA1 c51a50232d2a56ab867c4f059ebbde7904adf91c
- SHA512 0f4e4cee25ad9443a0a9b7acf697b91ba9ed90ad95a9573062c35288eb7dc358ff0f081a1bbefd81068914dc78b83545ccebed4358c8f444dacee83299848ee4
- SSDEEP 6144:fWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:fkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T15CC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH