Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 15:44
Behavioral task
behavioral1
Sample
9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe
- Size 525KB
- Sample260804-s6ffaatejf
- SHA256 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8
- MD5 9cc1582c558301c42190cfd83523ea60
- SHA1 bd706e8cb932f5f987c3c961b227e186efdcb3d2
- SHA512 04768da3e852cd033b452b69c28bcd54707161ccdfdc3b7f11e22789ccef3ceeba374e12b58a4902770dd910e6632d6ffe941a3a022b2412a5f4fd9b98235afa
- SSDEEP 6144:9cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:9SvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1CDB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1840 4b1e5d0b - 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 15 114.114.114.114 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Destination IP 16 223.5.5.5 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Destination IP 1 114.114.114.114 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Destination IP 2 223.5.5.5 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4b1e5d0b File created C:\Windows\SysWOW64\4b1e5d0b 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b1e5d0b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 4b1e5d0b -
resource yara_rule behavioral2/memory/992-0-0x0000000000EB0000-0x0000000000F3C000-memory.dmp upx behavioral2/files/0x00160000000115f5-2.dat upx behavioral2/memory/1840-3-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/memory/992-12-0x0000000000EB0000-0x0000000000F3C000-memory.dmp upx behavioral2/memory/1840-13-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/memory/1840-37-0x0000000000950000-0x00000000009DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\10fbc0 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe File opened for modification C:\Windows\1f8060 4b1e5d0b - 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 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b1e5d0b - 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 4b1e5d0b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4b1e5d0b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4b1e5d0b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4b1e5d0b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4b1e5d0b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4b1e5d0b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4b1e5d0b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4b1e5d0b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4b1e5d0b - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1840 4b1e5d0b 1840 4b1e5d0b 1840 4b1e5d0b 1840 4b1e5d0b 1840 4b1e5d0b 1840 4b1e5d0b 1840 4b1e5d0b 1840 4b1e5d0b 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Token: SeTcbPrivilege 992 9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe Token: SeDebugPrivilege 1840 4b1e5d0b Token: SeTcbPrivilege 1840 4b1e5d0b
Processes
-
C:\Users\Admin\AppData\Local\Temp\9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.exe"C:\Users\Admin\AppData\Local\Temp\9ff42f2c1714c6324953165458de7b2caa25e297cb8eb6f01cf229b02fbb27b8.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:992
-
C:\Windows\Syswow64\4b1e5d0bC:\Windows\Syswow64\4b1e5d0b1⤵
- 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:1840
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4b1e5d0b
- Size 525KB
- SHA256 020488f8d5757dfdc40937cc27e61e714b786b88ff5a3126ea8d8c31bc4c7bb2
- MD5 7f6e3b1e2c93be09b9abca3f53bb8226
- SHA1 1c51011e0cf93982b4f606a81ce3ba94007497a9
- SHA512 8f2ce7f1b881d61891b356b29cd1fb670f8cb1edcca40af0d248af5f91f4701f8181b5e8e7708463fc9cddc9b3b0c5b184c9f72f3d21b207bd5fb49198c294af
- SSDEEP 6144:hcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:hSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T175B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH