Analysis
- max time kernel
150s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 04:24
Behavioral task
behavioral1
Sample
26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe
- Size 830KB
- Sample260529-e1hfsscz7z
- SHA256 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5
- MD5 f63d50bbb39eb30563a2d8459394805d
- SHA1 1842c6f7c9cc75bfe0c8b2be82af43858fc059bb
- SHA512 417b1ad312f5f88ab846714953d95ddda1133ef1296b9d7015a3338b0221669a2d60f6473fc2f311ef43adb3a6d6a582109e7d180f03301d2c2f48bb6da33950
- SSDEEP 12288:OSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:tvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1D7055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3592 7a0de762 - 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 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe Destination IP 2 223.5.5.5 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe Destination IP 9 114.114.114.114 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe Destination IP 10 223.5.5.5 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7a0de762 File created C:\Windows\SysWOW64\7a0de762 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7a0de762 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7a0de762 -
resource yara_rule behavioral2/memory/4988-0-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/files/0x0015000000028df4-2.dat upx behavioral2/memory/3592-4-0x0000000000B60000-0x0000000000BEC000-memory.dmp upx behavioral2/memory/4988-10-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/memory/3592-11-0x0000000000B60000-0x0000000000BEC000-memory.dmp upx behavioral2/memory/3592-21-0x0000000000B60000-0x0000000000BEC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3d7f10 7a0de762 File opened for modification C:\Windows\556578 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.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 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7a0de762 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7a0de762 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7a0de762 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7a0de762 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7a0de762 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7a0de762 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7a0de762 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7a0de762 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7a0de762 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7a0de762 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3592 7a0de762 3592 7a0de762 3592 7a0de762 3592 7a0de762 3592 7a0de762 3592 7a0de762 3592 7a0de762 3592 7a0de762 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe Token: SeTcbPrivilege 4988 26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe Token: SeDebugPrivilege 3592 7a0de762 Token: SeTcbPrivilege 3592 7a0de762
Processes
-
C:\Users\Admin\AppData\Local\Temp\26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.exe"C:\Users\Admin\AppData\Local\Temp\26d7373c6abf312d5c31450730939d04d2d9c4ec761a1c4b9ba17015d991b5a5.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:4988
-
C:\Windows\Syswow64\7a0de762C:\Windows\Syswow64\7a0de7621⤵
- 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:3592
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7a0de762
- Size 830KB
- SHA256 06de77e3599156fc0660530c4ab91621c766f503e3a6c8f99f5f646cc534f8ae
- MD5 da9b2e4c1669eba2bc39c35133c2d8ff
- SHA1 c04c3af2fb44e5cdb6200c13eb1c6b5081c72df6
- SHA512 9362fbb51526b1cdd3745ca2940edac90bc4670ea4a9f843e5fcf5ffc872d0090c69ac63c5d0e17f13c768594264570fe8fddde7b65da11d59c30184dfc35602
- SSDEEP 12288:PSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:6vO2xJKRw2kOkx2LFRvcUQPK
- TLSH T15C055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH