Analysis
- max time kernel
149s - max time network
154s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
11/05/2026, 03:53
Behavioral task
behavioral1
Sample
75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe
- Size 761KB
- Sample260511-efv66aaz5s
- SHA256 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a
- MD5 cc70bc3e6c03193a301cffe511179ab1
- SHA1 1ac78f4bdf4c2637c0a2eee3700ea7601f10c7df
- SHA512 1bef32f895da5a86b4507dbd82393d716db98cd3893bcee20e104930fddda8fb8d1ae6163bbe70c99b4a0bd95adb3653829e86551b421e7d1adad18adea35373
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:TvO2xJKRw2kOkxSkW298B
- TLSH T132F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2196 23ccf8a8 - 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 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Destination IP 12 114.114.114.114 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Destination IP 13 223.5.5.5 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Destination IP 1 114.114.114.114 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 23ccf8a8 File created C:\Windows\SysWOW64\23ccf8a8 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 23ccf8a8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 23ccf8a8 -
resource yara_rule behavioral2/memory/5092-0-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/files/0x002600000002b20d-2.dat upx behavioral2/memory/2196-4-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral2/memory/5092-15-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/2196-18-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral2/memory/2196-39-0x0000000000760000-0x00000000007EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2598a8 23ccf8a8 File opened for modification C:\Windows\572d48 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.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 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23ccf8a8 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 23ccf8a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 23ccf8a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 23ccf8a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 23ccf8a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 23ccf8a8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 23ccf8a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 23ccf8a8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 23ccf8a8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 23ccf8a8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2196 23ccf8a8 2196 23ccf8a8 2196 23ccf8a8 2196 23ccf8a8 2196 23ccf8a8 2196 23ccf8a8 2196 23ccf8a8 2196 23ccf8a8 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Token: SeTcbPrivilege 5092 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Token: SeDebugPrivilege 2196 23ccf8a8 Token: SeTcbPrivilege 2196 23ccf8a8
Processes
-
C:\Users\Admin\AppData\Local\Temp\75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe"C:\Users\Admin\AppData\Local\Temp\75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.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:5092
-
C:\Windows\Syswow64\23ccf8a8C:\Windows\Syswow64\23ccf8a81⤵
- 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:2196
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\23ccf8a8
- Size 761KB
- SHA256 cfb42d4079e983a1c4b062e7d73a7953917f619e34e102c923aa2107477e9b5b
- MD5 b34c552dbbe24977638f02487b4a6390
- SHA1 aa7c4d28a79f4a46c24cfcd20be764d40377812d
- SHA512 4f07b589c5ea9b3a2d1e5f8d9a698f0160272c80f9a196f43b694905c82da68bb4dd613621bb4c0553fe2cd6f25a31e08a08932471000502525c341d2e10f955
- SSDEEP 12288:aSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:BvO2xJKRw2kOkxSkW298B
- TLSH T181F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH