Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/08/2026, 19:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe
- Size 374KB
- Sample260811-ya8pvaxtav
- SHA256 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007
- MD5 857f35f66bae99fae4d5996fef3b3dfb
- SHA1 d4665f390b74b67ef2e123231aed84c267ee4682
- SHA512 40a9c75461c3323e800bd56f7277aa84e2d82c94077bbc9599004e509537fb9d7de94fd83280e70ce0fb465e9dc20b36f85e3219117ad3e7b382f291f8977c11
- SSDEEP 6144:fcTgav1cdCTuoPbgwmOLJvKRILSFvdFfcEOkCybEaQRXr9HNdvOaxy8K:fSvO2x9mONvKRILSFLOkx2LIaxy
- TLSH T18A846D2AF6A0D076C4B79579C4A257AAFBB1742137204ACFA390475A1F237E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5628 3fa83623 - 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 1 114.114.114.114 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Destination IP 2 223.5.5.5 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Destination IP 20 114.114.114.114 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Destination IP 21 223.5.5.5 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Destination IP 60 114.114.114.114 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Destination IP 61 223.5.5.5 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3fa83623 File created C:\Windows\SysWOW64\3fa83623 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3fa83623 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3fa83623 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\605a78 3fa83623 File opened for modification C:\Windows\2708d0 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.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 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3fa83623 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3fa83623 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3fa83623 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3fa83623 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3fa83623 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3fa83623 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3fa83623 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3fa83623 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3fa83623 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3fa83623 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5628 3fa83623 5628 3fa83623 5628 3fa83623 5628 3fa83623 5628 3fa83623 5628 3fa83623 5628 3fa83623 5628 3fa83623 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Token: SeTcbPrivilege 2280 4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe Token: SeDebugPrivilege 5628 3fa83623 Token: SeTcbPrivilege 5628 3fa83623
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.exe"C:\Users\Admin\AppData\Local\Temp\4b4836b1fa5657ccd6c9233bd4472afef3dc02ef0b5b5d3d02fad35605d7a007.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:2280
-
C:\Windows\Syswow64\3fa83623C:\Windows\Syswow64\3fa836231⤵
- 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:5628
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3fa83623
- Size 374KB
- SHA256 ab99cc0f54caa338a163c54688f45e78e80234132d10cdb717533e8dde44a453
- MD5 898f98f07773e85477a78f6060daec97
- SHA1 587169a5627342a0d35705cf1c92fbe998c97d7f
- SHA512 410a49c3c3800f628b9fe68264d82a31a256523ffcc27e7e795965ef528c45e33e16b1222b401ab52d03b0bcb6b6a348ca8701ed889fb0a3fb2c5f760cf39f4f
- SSDEEP 6144:JcTgav1cdCTuoPbgwmOLJvKRILSFvdFfcEOkCybEaQRXr9HNdvOaxy8K:JSvO2x9mONvKRILSFLOkx2LIaxy
- TLSH T135846D2AF6A0D076C4B79579C4A257AAFBB1742137204ACFA390475A1F237E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH