Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/09/2026, 23:37
Behavioral task
behavioral1
Sample
f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe
- Size 640KB
- Sample260919-3mcv6aybrd
- SHA256 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8
- MD5 1f2e3ac74ad7f07e3cbb9ac49878add7
- SHA1 5ebf503f8784bb76cc2f28e7d980bb794581ea0e
- SHA512 a5c922886db2dd9474bde29a8c196542ec664705b76d27b4814fb89bf2f958db3dabd00130bf7f7e86e2913fb7fe715d0627fa6e53e103dffa0caca358e01dd3
- SSDEEP 6144:jcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:jSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T11ED45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4656 9fe709f0 - 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 35 223.5.5.5 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe Destination IP 1 114.114.114.114 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe Destination IP 2 223.5.5.5 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe Destination IP 34 114.114.114.114 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9fe709f0 File created C:\Windows\SysWOW64\9fe709f0 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9fe709f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9fe709f0 -
resource yara_rule behavioral2/memory/2472-0-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral2/files/0x000c00000001b869-2.dat upx behavioral2/memory/4656-3-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral2/memory/2472-10-0x0000000000430000-0x00000000004BC000-memory.dmp upx behavioral2/memory/4656-11-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral2/memory/4656-34-0x0000000000FA0000-0x000000000102C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4fb660 9fe709f0 File opened for modification C:\Windows\2a5250 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.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 9fe709f0 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe - 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 9fe709f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9fe709f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9fe709f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9fe709f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9fe709f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9fe709f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9fe709f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9fe709f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9fe709f0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4656 9fe709f0 4656 9fe709f0 4656 9fe709f0 4656 9fe709f0 4656 9fe709f0 4656 9fe709f0 4656 9fe709f0 4656 9fe709f0 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe Token: SeTcbPrivilege 2472 f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe Token: SeDebugPrivilege 4656 9fe709f0 Token: SeTcbPrivilege 4656 9fe709f0
Processes
-
C:\Users\Admin\AppData\Local\Temp\f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.exe"C:\Users\Admin\AppData\Local\Temp\f1ae620ac5d38d6a1ffd0b67719f1ff25401833edb1f18eab99eb0bdc076a6e8.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:2472
-
C:\Windows\Syswow64\9fe709f0C:\Windows\Syswow64\9fe709f01⤵
- 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:4656
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9fe709f0
- Size 640KB
- SHA256 74928175e3eefc10abc8339cea5fd3ff9857443bd78f0f06abedf8518d66e8cb
- MD5 d82df045f650b423caa72e3bd3661467
- SHA1 8615564e458fe6946b37ee76f4bab5208e2b0bf2
- SHA512 73d56a6e58e1757d99f1feae5c6d1df8e4355a1e80dfa24cf66805c73e302837a82a10970b224c2200ac04823908a2202dc6e88053d44dc2abd6b36338ea6b18
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:zSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1F6D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH