Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/04/2026, 00:16
Behavioral task
behavioral1
Sample
17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe
- Size 761KB
- Sample260421-akjayaf16n
- SHA256 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c
- MD5 55cf2300a033e9336b2411f02efdea45
- SHA1 61ea81c2967f699444df03dcc12971c0c8c513f7
- SHA512 d7959d0eac48ec7d2e3fe5177a6ccdb5232a05f48a93d227a6bea5cc9bd3e3d339b60bc9b25a698c9ac32111f37db08217ec12efd08ede71a1429ee46b97e669
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:LvO2xJKRw2kOkxSkW298B
- TLSH T1FBF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4312 4d22ebb4 - 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 4 223.5.5.5 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe Destination IP 43 114.114.114.114 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe Destination IP 44 223.5.5.5 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe Destination IP 3 114.114.114.114 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.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 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 4d22ebb4 File created C:\Windows\SysWOW64\4d22ebb4 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 4d22ebb4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4d22ebb4 -
resource yara_rule behavioral1/memory/4320-0-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/files/0x001000000001f16f-2.dat upx behavioral1/memory/4312-4-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral1/memory/4320-12-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/4312-14-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral1/memory/4312-40-0x0000000000740000-0x00000000007CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\49d2b0 4d22ebb4 File opened for modification C:\Windows\49f5c0 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.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 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d22ebb4 - 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 4d22ebb4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4d22ebb4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4d22ebb4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4d22ebb4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4d22ebb4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4d22ebb4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4d22ebb4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4d22ebb4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4d22ebb4 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 4d22ebb4 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 4d22ebb4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4312 4d22ebb4 4312 4d22ebb4 4312 4d22ebb4 4312 4d22ebb4 4312 4d22ebb4 4312 4d22ebb4 4312 4d22ebb4 4312 4d22ebb4 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe Token: SeTcbPrivilege 4320 17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe Token: SeDebugPrivilege 4312 4d22ebb4 Token: SeTcbPrivilege 4312 4d22ebb4
Processes
-
C:\Users\Admin\AppData\Local\Temp\17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.exe"C:\Users\Admin\AppData\Local\Temp\17f23f1afed8a592171b993fa3dd4f79529f9db904735e36f1668625ff5cf78c.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:4320
-
C:\Windows\Syswow64\4d22ebb4C:\Windows\Syswow64\4d22ebb41⤵
- 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:4312
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4d22ebb4
- Size 761KB
- SHA256 f1723f4c92436e012ed4e2619133d11addbe569f321d6eee4c866bade24cfe21
- MD5 517a890fba2bc3cfc8992f782e2304cd
- SHA1 9badef5e713bccc81f268087a52c7c13a518b76b
- SHA512 684bd326ec9ca53a8e639f7586365139a7d646f46ac92c721d4252704967d66e0514a3836cdb64dd1b075de6d9a0a85a0fc01c910b32b9a119fe093c145bda84
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:vvO2xJKRw2kOkxSkW298B
- TLSH T1B9F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH