Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 19:34
Behavioral task
behavioral1
Sample
43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe
- Size 640KB
- Sample260701-x93gfaft2v
- SHA256 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9
- MD5 4958f6fab583657118ea157cd4997502
- SHA1 c14657c0e6ee3fc7e71e06cc50f247c3e329f28e
- SHA512 878cc1f6ff31786af4664dbb91063246567d46578ba8dfb61c1d51e53a3e76b563f3b279e46a60223ad75960a79d047b88840226b0e6ba618c30f07d4a3cc3a5
- SSDEEP 6144:+cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:+SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1D1D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4492 24579091 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 42 223.5.5.5 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe Destination IP 1 114.114.114.114 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe Destination IP 2 223.5.5.5 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe Destination IP 37 114.114.114.114 4492 24579091 Destination IP 38 223.5.5.5 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe Destination IP 41 114.114.114.114 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 24579091 File created C:\Windows\SysWOW64\24579091 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 24579091 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 24579091 -
resource yara_rule behavioral2/memory/4636-0-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/files/0x00160000000115aa-2.dat upx behavioral2/memory/4492-3-0x0000000000420000-0x00000000004AC000-memory.dmp upx behavioral2/memory/4636-18-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/memory/4492-19-0x0000000000420000-0x00000000004AC000-memory.dmp upx behavioral2/memory/4492-32-0x0000000000420000-0x00000000004AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ce798 24579091 File opened for modification C:\Windows\4f5eb8 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.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 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 24579091 - 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\Cookies\CachePrefix = "Cookie:" 24579091 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 24579091 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 24579091 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 24579091 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 24579091 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 24579091 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 24579091 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 24579091 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 24579091 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4492 24579091 4492 24579091 4492 24579091 4492 24579091 4492 24579091 4492 24579091 4492 24579091 4492 24579091 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe Token: SeTcbPrivilege 4636 43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe Token: SeDebugPrivilege 4492 24579091 Token: SeTcbPrivilege 4492 24579091
Processes
-
C:\Users\Admin\AppData\Local\Temp\43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.exe"C:\Users\Admin\AppData\Local\Temp\43b4b14e1cd7e95e81c7b24d76bbb3f2bef2dc55fee75a2594246ef20dbb86e9.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:4636
-
C:\Windows\Syswow64\24579091C:\Windows\Syswow64\245790911⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:4492
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\24579091
- Size 640KB
- SHA256 b2b70551f81949a53b6490cdc96179a262f2293a52cb8a899a92325cf492f82d
- MD5 79835cf20b403352cfa64aa7a9f30073
- SHA1 999b6e517f77bcb5103bbd9a51fa3214422a8b33
- SHA512 51cbefc7800237636d4c43d6e91a802602660b2fe6ad528ac6ac6b2faa8a8d999980025e1831cca58a93f2bd2e366b0bf3d782760bd819b9a1ad274e3e73f82e
- SSDEEP 6144:KcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:KSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1C5D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH