Analysis
- max time kernel
148s - 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
15/08/2026, 00:08
Behavioral task
behavioral1
Sample
3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe
- Size 560KB
- Sample260815-afa4rsvyft
- SHA256 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52
- MD5 ef3037f59edbc02227d8b4bb76061c2b
- SHA1 d940c7419a27e517848f8f7d7c3454af0cbf59c2
- SHA512 8228d93aed5434006e3828addad926f7e2970e883f5f5546ff89e94aeef209de36b3920ee763dac879817e54e92159435195aef7f9695c51c72c5d282947edc8
- SSDEEP 6144:UWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:UkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1D4C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1852 577e6266 - 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 2 223.5.5.5 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe Destination IP 11 114.114.114.114 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe Destination IP 12 223.5.5.5 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe Destination IP 1 114.114.114.114 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 577e6266 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 577e6266 File created C:\Windows\SysWOW64\577e6266 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 577e6266 -
resource yara_rule behavioral2/memory/4624-0-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/1852-3-0x0000000000320000-0x00000000003AC000-memory.dmp upx behavioral2/files/0x0008000000016ca8-2.dat upx behavioral2/memory/4624-10-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/1852-11-0x0000000000320000-0x00000000003AC000-memory.dmp upx behavioral2/memory/1852-31-0x0000000000320000-0x00000000003AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1fb4f8 577e6266 File opened for modification C:\Windows\4f2a20 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.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 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 577e6266 - 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:" 577e6266 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 577e6266 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 577e6266 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 577e6266 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 577e6266 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 577e6266 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 577e6266 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 577e6266 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 577e6266 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 577e6266 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 577e6266 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1852 577e6266 1852 577e6266 1852 577e6266 1852 577e6266 1852 577e6266 1852 577e6266 1852 577e6266 1852 577e6266 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe Token: SeTcbPrivilege 4624 3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe Token: SeDebugPrivilege 1852 577e6266 Token: SeTcbPrivilege 1852 577e6266
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.exe"C:\Users\Admin\AppData\Local\Temp\3a16e33ff6e57d817c37f2cd67b6c70c48326faacce5f7ec955cc62bcd858c52.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:4624
-
C:\Windows\Syswow64\577e6266C:\Windows\Syswow64\577e62661⤵
- 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:1852
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\577e6266
- Size 560KB
- SHA256 1b8174807c776e939e9e8bdc7370fcedb4b3805a81745d64698f5ac7e218cffc
- MD5 1ed1f3185668c22c630fc043b3a8ace0
- SHA1 0db1547215ec3296dad4b191c5f1ba4b2d3bd75b
- SHA512 5dc0901c477cdd032c6e6fe4ea0e54f74100d444afafb17ebd3138ea1547b797efdc24b4f8727f054e1f268ccb16d68cf51bebf05c59e2164dd3044594f6f5fd
- SSDEEP 6144:HWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:HkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T14BC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH