Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/07/2026, 10:57
Behavioral task
behavioral1
Sample
9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe
- Size 560KB
- Sample260728-m2arcagg42
- SHA256 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e
- MD5 c547d27ab38b6a96d00018d89e821e24
- SHA1 baeaf9e577904e69b75dca622b3cdbf041d870e0
- SHA512 0aba319c12d075a8f465fdaee3687ae2ce64a2ca5078d5715033a4e4b5787994053b7cfba89ab44de5081ca67af7a442d6bdef8453a7b6cae5df6756f0fd072d
- SSDEEP 6144:IWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:IkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1F2C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2476 32139638 - 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 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe Destination IP 4 223.5.5.5 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe Destination IP 17 114.114.114.114 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe Destination IP 18 223.5.5.5 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 32139638 File created C:\Windows\SysWOW64\32139638 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 32139638 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 32139638 -
resource yara_rule behavioral2/memory/4148-0-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/files/0x000700000001b85f-2.dat upx behavioral2/memory/2476-3-0x0000000000F90000-0x000000000101C000-memory.dmp upx behavioral2/memory/4148-10-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/2476-11-0x0000000000F90000-0x000000000101C000-memory.dmp upx behavioral2/memory/2476-32-0x0000000000F90000-0x000000000101C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2a63d8 32139638 File opened for modification C:\Windows\4703e8 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.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 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 32139638 - 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 32139638 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 32139638 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 32139638 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 32139638 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 32139638 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 32139638 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 32139638 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 32139638 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 32139638 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2476 32139638 2476 32139638 2476 32139638 2476 32139638 2476 32139638 2476 32139638 2476 32139638 2476 32139638 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe Token: SeTcbPrivilege 4148 9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe Token: SeDebugPrivilege 2476 32139638 Token: SeTcbPrivilege 2476 32139638
Processes
-
C:\Users\Admin\AppData\Local\Temp\9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.exe"C:\Users\Admin\AppData\Local\Temp\9971c943a76fe5a8ec6b0736ca3a18a14bc90e6d7b26098e689a2552cf013b4e.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:4148
-
C:\Windows\Syswow64\32139638C:\Windows\Syswow64\321396381⤵
- 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:2476
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\32139638
- Size 560KB
- SHA256 dff7095f15ce20057edfa29c495ff159d50ac29537d5eb84d3b75325e1b9233b
- MD5 322f8f8365157000d0011ca68623b82a
- SHA1 8ddfd66836981f8c5d1c135b6cf82364f0331072
- SHA512 acd14780fc0bcb9700f9e916ce077a7953673de17c01abf4082a51c08d18471eab6d37522177dcf2162500e446d5cc4317d70d9989e69b55d5b7a84ca68a3e7e
- SSDEEP 6144:OWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:OkCO2zVPX7vf1LKlIsOkxHy
- TLSH T141C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH