Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
02/06/2026, 09:26
Behavioral task
behavioral1
Sample
f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe
- Size 768KB
- Sample260602-lenh9abs3k
- SHA256 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07
- MD5 b5a59152ea2d3db4c6ea221be6bce4b5
- SHA1 51bf144521b853353d66e732f8a52452dbe54121
- SHA512 270f6e33546548162e5b2278a35dc952bd8f0b304387d8971f204522dc7920874eff4d20a142277dd4cbdb204859539f55ffd01bd35feb5545e258c40dc26aba
- SSDEEP 12288:LqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:LjHPOSOkx2LFscU6UQOJdT
- TLSH T144F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4160 cc0a71ad - 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 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe Destination IP 2 223.5.5.5 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe Destination IP 20 114.114.114.114 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe Destination IP 21 223.5.5.5 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C cc0a71ad File created C:\Windows\SysWOW64\cc0a71ad f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C cc0a71ad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cc0a71ad -
resource yara_rule behavioral2/memory/2684-0-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/files/0x001d00000002b276-2.dat upx behavioral2/memory/4160-3-0x0000000000F50000-0x0000000000FD9000-memory.dmp upx behavioral2/memory/2684-10-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/4160-12-0x0000000000F50000-0x0000000000FD9000-memory.dmp upx behavioral2/memory/2684-24-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/4160-25-0x0000000000F50000-0x0000000000FD9000-memory.dmp upx behavioral2/memory/2684-32-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/4160-38-0x0000000000F50000-0x0000000000FD9000-memory.dmp upx behavioral2/memory/2684-44-0x00000000003E0000-0x0000000000469000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\473880 cc0a71ad File opened for modification C:\Windows\2df378 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.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 cc0a71ad Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.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\Cookies\CachePrefix = "Cookie:" cc0a71ad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cc0a71ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cc0a71ad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cc0a71ad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cc0a71ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cc0a71ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cc0a71ad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cc0a71ad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cc0a71ad - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4160 cc0a71ad 4160 cc0a71ad 4160 cc0a71ad 4160 cc0a71ad 4160 cc0a71ad 4160 cc0a71ad 4160 cc0a71ad 4160 cc0a71ad 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe Token: SeTcbPrivilege 2684 f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe Token: SeDebugPrivilege 4160 cc0a71ad Token: SeTcbPrivilege 4160 cc0a71ad
Processes
-
C:\Users\Admin\AppData\Local\Temp\f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.exe"C:\Users\Admin\AppData\Local\Temp\f7a305a15cb3b3afb5ec83013ecd5bbe4efdbefb07b9f6e27e829092440ffe07.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:2684
-
C:\Windows\Syswow64\cc0a71adC:\Windows\Syswow64\cc0a71ad1⤵
- 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:4160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cc0a71ad
- Size 768KB
- SHA256 e3895693f3b39b0e10559335f55924a31b31c31f50830721d7a45878d0a65c70
- MD5 41e9e8310c94bd5f2c80c26f371e9721
- SHA1 58742667c94ac8e50ca78421b138b97d99501364
- SHA512 0c01e11f884ab1bbf196b9110e55c6482be104b93ba035d72ed23c178b6cd17ca0afd83375388227acd9150a8c1ba2b23e3759dde6be67b4f7f9823a76998edc
- SSDEEP 12288:yqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:yjHPOSOkx2LFscU6UQOJdT
- TLSH T192F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH