Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/04/2026, 22:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe
Resource
win11-20260130-en
windows11-21h2-x64
9 signatures
150 seconds
General
- Target 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe
- Size 384KB
- Sample260426-2casdaby3j
- SHA256 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39
- MD5 04585a3796c5b0fcca3c837efbd0149e
- SHA1 3c6fd4cf94e84979b4717f6c2847fda6426c2b10
- SHA512 983e801e7b10abeb981b27dcf642d81bfcb9a341d4fc4ab20cdf476e46cedcd787b378fd3c7c00bfc99b7ff02516bbf0ac4a7583ba21a0ea4c1f6804156c768e
- SSDEEP 6144:PcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOaxy8Kl:PSvO2x9mONvKRILSFnOkx2LIaxy/
- TLSH T175846E2AF6A0D076C4779579C4A257AAFBB1B42137204ACFA390475A1F237E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2480 d64c616b - 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 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe Destination IP 2 223.5.5.5 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe Destination IP 11 114.114.114.114 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe Destination IP 12 223.5.5.5 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d64c616b File created C:\Windows\SysWOW64\d64c616b 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d64c616b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d64c616b - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2a7560 d64c616b File opened for modification C:\Windows\3a58a0 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.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 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d64c616b - 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 d64c616b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d64c616b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d64c616b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d64c616b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d64c616b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d64c616b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d64c616b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d64c616b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d64c616b - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA d64c616b Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 d64c616b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2480 d64c616b 2480 d64c616b 2480 d64c616b 2480 d64c616b 2480 d64c616b 2480 d64c616b 2480 d64c616b 2480 d64c616b 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe Token: SeTcbPrivilege 3408 5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe Token: SeDebugPrivilege 2480 d64c616b Token: SeTcbPrivilege 2480 d64c616b
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.exe"C:\Users\Admin\AppData\Local\Temp\5ac368b162acc523d3a09d1a4a61abb7cdddbe3303e11cdff22fd80c70f75e39.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:3408
-
C:\Windows\Syswow64\d64c616bC:\Windows\Syswow64\d64c616b1⤵
- 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:2480
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d64c616b
- Size 384KB
- SHA256 283a18f737e815e03080df889ff5a6cf746da5da942eb314ad5df2aba3da034b
- MD5 349b1149d57501bd67c079a5b2759af0
- SHA1 7fa583f91b9ead9637ff85980134b6f522f86710
- SHA512 bf6d478563db85704135d66145cda45b07b2f0c9fa7093e30df409f9f6a10cf7cbaf4304f563073b1716312422e85ef33f34590b8dd973e9ce8fa8eab01edf56
- SSDEEP 6144:XcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOaxy8Kl:XSvO2x9mONvKRILSFnOkx2LIaxy/
- TLSH T14E846E2AF6A0D076C4779579C4A257AAFBB1B42137204ACFA390475A1F237E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH