Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 22:02
Behavioral task
behavioral1
Sample
512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe
- Size 640KB
- Sample260416-1x5b2sez21
- SHA256 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b
- MD5 b2b0445be330e684b3443f78ebba6753
- SHA1 444e9da7c62c908e71bfeca5b86e626d8209f6bc
- SHA512 19a8135aac328d26ad53fecc3cc40f0d770db2b8b9da8befdcab05695ea0225203feee7c550b430401ad800bc7a5d26942113dab5636e33bc1cc6fbbe359b2d8
- SSDEEP 6144:PcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:PSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T139D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3572 9792fa22 - 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 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 2 223.5.5.5 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 25 114.114.114.114 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Destination IP 26 223.5.5.5 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9792fa22 File created C:\Windows\SysWOW64\9792fa22 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9792fa22 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9792fa22 -
resource yara_rule behavioral2/memory/4608-0-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral2/files/0x000700000000d3ef-2.dat upx behavioral2/memory/3572-7-0x0000000001000000-0x000000000108C000-memory.dmp upx behavioral2/memory/4608-18-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral2/memory/3572-19-0x0000000001000000-0x000000000108C000-memory.dmp upx behavioral2/memory/3572-30-0x0000000001000000-0x000000000108C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3d2768 9792fa22 File opened for modification C:\Windows\4ee400 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.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 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9792fa22 - 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 9792fa22 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9792fa22 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9792fa22 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9792fa22 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9792fa22 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9792fa22 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9792fa22 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9792fa22 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9792fa22 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3572 9792fa22 3572 9792fa22 3572 9792fa22 3572 9792fa22 3572 9792fa22 3572 9792fa22 3572 9792fa22 3572 9792fa22 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Token: SeTcbPrivilege 4608 512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe Token: SeDebugPrivilege 3572 9792fa22 Token: SeTcbPrivilege 3572 9792fa22
Processes
-
C:\Users\Admin\AppData\Local\Temp\512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.exe"C:\Users\Admin\AppData\Local\Temp\512f993eb64dc2419f552e2443d2a6ad9f3c0880b715e540b7b35d31cf5ef81b.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:4608
-
C:\Windows\Syswow64\9792fa22C:\Windows\Syswow64\9792fa221⤵
- 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:3572
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9792fa22
- Size 640KB
- SHA256 c34d7aea0088b26888fb47b3e11b9eeee0bad155931f761b0ca281744ebe731c
- MD5 b52db2069a638f9beb4ff0dfa4b12917
- SHA1 7d3e9b337e1576c67a59c671ba1f3b0930778ad7
- SHA512 b78d7b83a3986ade87b6ba9f9c0440b47268a919d9b6370915bdef3700fdf8d766b66a5c98b0be7ac9df8c94586048b8c6b5fa53e107147c4b1eab460a3a6d69
- SSDEEP 6144:7cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:7SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T151D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH