Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/07/2026, 22:33
Behavioral task
behavioral1
Sample
caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe
- Size 618KB
- Sample260709-2gp3vsbw4v
- SHA256 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e
- MD5 29e45f34d6bf22e43868f0339708f332
- SHA1 4cff5ea171156cf40c24db321862533c70fc3adc
- SHA512 b9011a66771c39ce234570ae02ba398c53a543a57004941bfd0bdb665198b29eb3dee96595ee452551d74905e967ed343f1a06f35c3cee2b95cfc9b5b0756a7d
- SSDEEP 12288:nqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:njHPOSOkx2LFscUQPxW
- TLSH T14AD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6120 a5988aa0 - Unexpected DNS network traffic destination 14 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 259 223.5.5.5 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 2 223.5.5.5 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 34 114.114.114.114 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 65 114.114.114.114 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 66 223.5.5.5 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 124 223.5.5.5 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 202 114.114.114.114 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 258 114.114.114.114 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 1 114.114.114.114 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 35 223.5.5.5 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 119 114.114.114.114 6120 a5988aa0 Destination IP 123 114.114.114.114 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 126 223.5.5.5 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Destination IP 203 223.5.5.5 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5988aa0 File created C:\Windows\SysWOW64\a5988aa0 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a5988aa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a5988aa0 -
resource yara_rule behavioral2/memory/5900-0-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/6120-3-0x00000000006E0000-0x0000000000769000-memory.dmp upx behavioral2/memory/5900-16-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/6120-18-0x00000000006E0000-0x0000000000769000-memory.dmp upx behavioral2/memory/6120-24-0x00000000006E0000-0x0000000000769000-memory.dmp upx behavioral2/memory/5900-39-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/6120-40-0x00000000006E0000-0x0000000000769000-memory.dmp upx behavioral2/memory/5900-45-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/6120-46-0x00000000006E0000-0x0000000000769000-memory.dmp upx behavioral2/memory/5900-47-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/6120-48-0x00000000006E0000-0x0000000000769000-memory.dmp upx behavioral2/memory/5900-54-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/5900-56-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/5900-59-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\650298 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe File opened for modification C:\Windows\68c6d0 a5988aa0 - 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 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a5988aa0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a5988aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a5988aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a5988aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a5988aa0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a5988aa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a5988aa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a5988aa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a5988aa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a5988aa0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6120 a5988aa0 6120 a5988aa0 6120 a5988aa0 6120 a5988aa0 6120 a5988aa0 6120 a5988aa0 6120 a5988aa0 6120 a5988aa0 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Token: SeTcbPrivilege 5900 caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe Token: SeDebugPrivilege 6120 a5988aa0 Token: SeTcbPrivilege 6120 a5988aa0
Processes
-
C:\Users\Admin\AppData\Local\Temp\caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.exe"C:\Users\Admin\AppData\Local\Temp\caa807818c553f2915d7ef3ac6ac4877ab6427a38eae910fe18b221a30c7056e.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:5900
-
C:\Windows\Syswow64\a5988aa0C:\Windows\Syswow64\a5988aa01⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:6120
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a5988aa0
- Size 618KB
- SHA256 7ecf89c4d3ae140defb5d8eb1d3305d2555f6666e976fcebec04b01483786cea
- MD5 d18a517afff65ed549e713f57132b072
- SHA1 782cb16f9294a36dc1418bf7b26ee85a047c3539
- SHA512 d7573e9af8dd40bfccfd3cf37424a2de436f8fac6ccfef261b1cd1d47814ba58f6d1f8e1ade05a8e82c61688c821e78a4cecc47da121d099869970c88b4cea8b
- SSDEEP 12288:3qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:3jHPOSOkx2LFscUQPxW
- TLSH T1E7D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH