Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/08/2026, 00:58
Behavioral task
behavioral1
Sample
cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe
- Size 560KB
- Sample260817-bbpl2agg87
- SHA256 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b
- MD5 f66fa4daf796400fe8ae5ced8ec95b3a
- SHA1 ecd907a0aaa325263f46e2f91a81837b0b0dbb8f
- SHA512 c62855818b0e9042635f4c8b15d7e2ce75e3ee996763172326bde8fe9c12486a9ada7b1333015c161e81910e15786ef6d264c597a7f6930abae93d16d78d7f38
- SSDEEP 6144:Z4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:ZrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T16BC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4596 8d5db41b - 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 3 114.114.114.114 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe Destination IP 4 223.5.5.5 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe Destination IP 44 114.114.114.114 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe Destination IP 45 223.5.5.5 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\8d5db41b cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d5db41b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d5db41b -
resource yara_rule behavioral1/memory/4076-0-0x0000000000ED0000-0x0000000000F5C000-memory.dmp upx behavioral1/files/0x000900000002434a-2.dat upx behavioral1/memory/4596-4-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral1/memory/4076-16-0x0000000000ED0000-0x0000000000F5C000-memory.dmp upx behavioral1/memory/4596-17-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral1/memory/4596-22-0x0000000000610000-0x000000000069C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4eaf68 8d5db41b File opened for modification C:\Windows\45c858 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.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 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8d5db41b - 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 8d5db41b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8d5db41b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8d5db41b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8d5db41b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8d5db41b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8d5db41b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8d5db41b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8d5db41b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8d5db41b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4596 8d5db41b 4596 8d5db41b 4596 8d5db41b 4596 8d5db41b 4596 8d5db41b 4596 8d5db41b 4596 8d5db41b 4596 8d5db41b 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe Token: SeTcbPrivilege 4076 cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe Token: SeDebugPrivilege 4596 8d5db41b Token: SeTcbPrivilege 4596 8d5db41b
Processes
-
C:\Users\Admin\AppData\Local\Temp\cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.exe"C:\Users\Admin\AppData\Local\Temp\cba672310cdcf9ce8fa86b83aa86b6d3531f990e6941fe4079279f7f5de5c16b.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:4076
-
C:\Windows\Syswow64\8d5db41bC:\Windows\Syswow64\8d5db41b1⤵
- 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:4596
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8d5db41b
- Size 560KB
- SHA256 4509be6554ad7217762a52d55f772f73e27a0ef1566dd3c9054dcb3647658562
- MD5 abfd57a21bf7bf53c0a193c7d0ce5381
- SHA1 652bfed5e8416c731be10966feb7201b8385ed48
- SHA512 2d68748914813dc0741068e5024e48c9e015b0c00ccaafeac1f4a98039fa87299222d51727027e1018bd073d47faa1534985a3a12321f8df98539614d269f19d
- SSDEEP 6144:z4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:zrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T143C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH