Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 09:47
Behavioral task
behavioral1
Sample
03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe
- Size 560KB
- Sample260417-lsfessay3n
- SHA256 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c
- MD5 85c4aab9b6f7cd9505af87c808186994
- SHA1 6264a246e4587f0934b519eb97cb8003d88b5582
- SHA512 c87e6017ebd5f9dd0fb00864b5cfb94d8be0fefdded64605a27464567908d8f869be3d832f01516e7ae7e3fe00fc97863de961adbabd847ec19ec359880b4310
- SSDEEP 6144:qWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:qkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T170C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3496 5d9ac71f - 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 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe Destination IP 2 223.5.5.5 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe Destination IP 8 114.114.114.114 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe Destination IP 9 223.5.5.5 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.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 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5d9ac71f File created C:\Windows\SysWOW64\5d9ac71f 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5d9ac71f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5d9ac71f -
resource yara_rule behavioral2/memory/4968-0-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/files/0x002700000002b200-2.dat upx behavioral2/memory/3496-3-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/memory/4968-10-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/memory/3496-11-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/memory/3496-28-0x0000000000770000-0x00000000007FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3bda50 5d9ac71f File opened for modification C:\Windows\550dd0 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.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 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5d9ac71f - 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" 5d9ac71f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5d9ac71f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5d9ac71f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5d9ac71f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5d9ac71f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5d9ac71f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5d9ac71f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5d9ac71f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5d9ac71f - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3496 5d9ac71f 3496 5d9ac71f 3496 5d9ac71f 3496 5d9ac71f 3496 5d9ac71f 3496 5d9ac71f 3496 5d9ac71f 3496 5d9ac71f 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe Token: SeTcbPrivilege 4968 03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe Token: SeDebugPrivilege 3496 5d9ac71f Token: SeTcbPrivilege 3496 5d9ac71f
Processes
-
C:\Users\Admin\AppData\Local\Temp\03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.exe"C:\Users\Admin\AppData\Local\Temp\03f32c5ed8c8edde53af765898a9be39b14326e991bfe011d1eab812b1da845c.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:4968
-
C:\Windows\Syswow64\5d9ac71fC:\Windows\Syswow64\5d9ac71f1⤵
- 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:3496
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\5d9ac71f
- Size 560KB
- SHA256 1c2c8b237d02a3769529fdbf4e7d7d25606eee9899ca132e2a86fb7ea14eaddd
- MD5 cf926ff2986c92f5799673bdc6d8d567
- SHA1 40b300b3df9b0f5e3e12834f7433fe195e3dfa4b
- SHA512 c7c3b93491cbac5c8182678c41f3c4c86f58c15ab4cd9fba8af381df0ca89ae1b1e13eec9d02410807d3f07fad16a1bfddbfd2d8a5b9b59e14e0fd6b8ae56f3b
- SSDEEP 6144:wWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:wkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1E3C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH