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
10/08/2026, 22:15
Behavioral task
behavioral1
Sample
e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe
- Size 560KB
- Sample260810-158z7svvbw
- SHA256 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275
- MD5 0a79e204accf3df8c6d4fb330d28dd71
- SHA1 2d5822b02d1b2a9f4947a6d399426f843fc0a62f
- SHA512 ac2d9318bc13c7641e268e99aa65b42471054b313fb6adb4779288f7c317ddfb54ea149c2c9f74cde90c6cf30cab260b797fe1cbe7ff6206828ea4cc274b04ba
- SSDEEP 6144:94ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:9rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T160C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2244 de991f1f - 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 31 114.114.114.114 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe Destination IP 32 223.5.5.5 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe Destination IP 3 114.114.114.114 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe Destination IP 6 223.5.5.5 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C de991f1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de991f1f File created C:\Windows\SysWOW64\de991f1f e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 de991f1f -
resource yara_rule behavioral1/memory/3444-0-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral1/files/0x000a00000002433e-2.dat upx behavioral1/memory/2244-3-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral1/memory/3444-15-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral1/memory/2244-16-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral1/memory/2244-31-0x0000000000820000-0x00000000008AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\266b08 de991f1f File opened for modification C:\Windows\3af668 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.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 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language de991f1f - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ de991f1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" de991f1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" de991f1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" de991f1f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix de991f1f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" de991f1f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" de991f1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" de991f1f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing de991f1f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2244 de991f1f 2244 de991f1f 2244 de991f1f 2244 de991f1f 2244 de991f1f 2244 de991f1f 2244 de991f1f 2244 de991f1f 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe Token: SeTcbPrivilege 3444 e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe Token: SeDebugPrivilege 2244 de991f1f Token: SeTcbPrivilege 2244 de991f1f
Processes
-
C:\Users\Admin\AppData\Local\Temp\e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.exe"C:\Users\Admin\AppData\Local\Temp\e41f4c19c150f818298902b1a33596e4b14e7aa892053bfd0ed8889504f55275.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:3444
-
C:\Windows\Syswow64\de991f1fC:\Windows\Syswow64\de991f1f1⤵
- 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:2244
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\de991f1f
- Size 560KB
- SHA256 7898efabb9951de00ea8222a3c15e31bfc11e935e8c79e87707ac9fff71beae0
- MD5 35bfd02c29d7e7122eeee1aae433eb83
- SHA1 6f73f61cf4e2b690c0f471c4f15fbf7e27b7ad12
- SHA512 3b85359aca7c1e826a9968db622ae42770beadd236b7f565c1db157a750499ac53bb7e24c6b19cb7df7dee2a7cf87bbc05a06eb8a1315a8ae3414e32f8b29924
- SSDEEP 6144:c4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:crNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T157C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH