Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/05/2026, 19:01
Behavioral task
behavioral1
Sample
eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe
- Size 560KB
- Sample260505-xn75ssh14l
- SHA256 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705
- MD5 38d4372f8f86bd01d2c652edd3c3a3f3
- SHA1 f9f3c73fa4ac1fd840ef7a45d35b472aea911363
- SHA512 c1ef213814b411a711c27129f231240e014376fdf5ecca563a6020d847aefe5360d8c1592b075d85fc7da2f21aadc5d6f9b48d747ac3b479a8dd2fa218d70742
- SSDEEP 6144:ZWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:ZkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T13FC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5292 6a87cba8 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 33 114.114.114.114 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 36 223.5.5.5 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 113 114.114.114.114 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 114 223.5.5.5 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 3 114.114.114.114 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Destination IP 6 223.5.5.5 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6a87cba8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 6a87cba8 File created C:\Windows\SysWOW64\6a87cba8 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe -
resource yara_rule behavioral1/memory/4488-0-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral1/files/0x0003000000023153-2.dat upx behavioral1/memory/5292-4-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral1/memory/4488-12-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral1/memory/5292-14-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral1/memory/5292-44-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5a99d8 6a87cba8 File opened for modification C:\Windows\4cd610 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.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 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6a87cba8 - 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\History\CachePrefix = "Visited:" 6a87cba8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6a87cba8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6a87cba8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6a87cba8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6a87cba8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6a87cba8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6a87cba8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6a87cba8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6a87cba8 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 6a87cba8 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 6a87cba8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5292 6a87cba8 5292 6a87cba8 5292 6a87cba8 5292 6a87cba8 5292 6a87cba8 5292 6a87cba8 5292 6a87cba8 5292 6a87cba8 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Token: SeTcbPrivilege 4488 eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe Token: SeDebugPrivilege 5292 6a87cba8 Token: SeTcbPrivilege 5292 6a87cba8
Processes
-
C:\Users\Admin\AppData\Local\Temp\eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.exe"C:\Users\Admin\AppData\Local\Temp\eef23a755ade6f706111c44998a5087d6a96a3b56d424dee8e533edf60da0705.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:4488
-
C:\Windows\Syswow64\6a87cba8C:\Windows\Syswow64\6a87cba81⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5292
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6a87cba8
- Size 560KB
- SHA256 4cdf0873388f34f028f4ae8735d72681ab8aec5f6bdc14186eb84205b9e8c98e
- MD5 655f07a3fc5b7749659da0762d8fc67b
- SHA1 06d51ee28671ff471849707342e1afccbdc0f902
- SHA512 697a8821186267db6f85de792cea78f3e2324244c02ffbab60a86f626964f6d10dfcd08a84bf9d1110010b00a9a73a2bf49c5f9dcd73f5c49331c19bd158b495
- SSDEEP 6144:PWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:PkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T128C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH