Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/04/2026, 09:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe
- Size 704KB
- Sample260429-lyeqfset8m
- SHA256 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954
- MD5 b26da1d6574f8579a68c91cbf358a6a4
- SHA1 589501573f5bd1738f0f10747e5e1da338d68116
- SHA512 504d4657d990ed0171dba20653a710d5b66412358248b763cf3d9e7817e6341fce80ad554f9c161daa425eb0b372a7e90e598e3d7b3260170ecfb5b0c2bb77ae
- SSDEEP 12288:BSvO2x9mONvKRILSF/Okx2LIatyVuX13kdB4YSYVWd:IvO2xJKRI2dOkx2LFAAX1oOYSY8d
- TLSH T1D5E48B12F791C172C86746B488A7476EAA75BD1523204BCBE7907E5A8EB33D1BC3930D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3364 3f9e516e - Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 84 223.5.5.5 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 141 114.114.114.114 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 142 223.5.5.5 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 1 114.114.114.114 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 24 114.114.114.114 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 25 223.5.5.5 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 57 114.114.114.114 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 58 223.5.5.5 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 83 114.114.114.114 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Destination IP 2 223.5.5.5 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3f9e516e File created C:\Windows\SysWOW64\3f9e516e d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3f9e516e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f9e516e - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3997c8 3f9e516e File opened for modification C:\Windows\1641a8 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.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 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f9e516e - 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" 3f9e516e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3f9e516e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3f9e516e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3f9e516e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3f9e516e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3f9e516e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3f9e516e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3f9e516e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3f9e516e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3364 3f9e516e 3364 3f9e516e 3364 3f9e516e 3364 3f9e516e 3364 3f9e516e 3364 3f9e516e 3364 3f9e516e 3364 3f9e516e 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Token: SeTcbPrivilege 1300 d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe Token: SeDebugPrivilege 3364 3f9e516e Token: SeTcbPrivilege 3364 3f9e516e
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.exe"C:\Users\Admin\AppData\Local\Temp\d4f6ffb870b84c6eb4a398a8fa587f1222c6dd4c8970a21243a085678a7ae954.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:1300
-
C:\Windows\Syswow64\3f9e516eC:\Windows\Syswow64\3f9e516e1⤵
- 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:3364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3f9e516e
- Size 704KB
- SHA256 83d52bafa0f7156516612d9057b17a7471de1d0048a47af09d0201d6be0b085b
- MD5 cbee2e962bbfff019114768ab952c0aa
- SHA1 e8a93216b0e395d1e6be414649bbab4ab275c3d7
- SHA512 b00108ed961d50b13272a9c64e22405cfb791c90d2d51f558bb8dbc38c2c13795efe4a21d8ac157f4fa1cb650bcc8ce470debb216316a52a5bc999c9ab95f676
- SSDEEP 12288:+SvO2x9mONvKRILSF/Okx2LIatyVuX13kdB4YSYVWd:9vO2xJKRI2dOkx2LFAAX1oOYSY8d
- TLSH T1D2E48B12F791C172C86746B488A7476EAA75BD1523204BCBE7907E5A8EB33D1BC3930D
- MD5 SHA1 SHA512 SSDEEP TLSH