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
05/08/2026, 00:22
Behavioral task
behavioral1
Sample
f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe
- Size 560KB
- Sample260805-apbfws1yev
- SHA256 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8
- MD5 5c11af080985c0809eb1e00ad939abfe
- SHA1 217e9c9fae3e2840193f4d6f276b0bd33ebf48fc
- SHA512 f88d7120bbcf52bb6e9388c8b25d2a6543dddae796794b0e47f61d0fa574242a794733d7557e062bed6a3fa87fab054aef5c929fc232ed544d8c5a85380bf8f8
- SSDEEP 6144:i4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:irNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T135C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2984 d06cac5c - 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 3 114.114.114.114 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe Destination IP 6 223.5.5.5 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe Destination IP 32 114.114.114.114 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe Destination IP 33 223.5.5.5 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 d06cac5c File created C:\Windows\SysWOW64\d06cac5c f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d06cac5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d06cac5c -
resource yara_rule behavioral1/memory/3720-0-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral1/files/0x0015000000024398-2.dat upx behavioral1/memory/2984-3-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral1/memory/3720-10-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral1/memory/2984-11-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral1/memory/2984-18-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\331650 d06cac5c File opened for modification C:\Windows\3fb010 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.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 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d06cac5c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d06cac5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d06cac5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d06cac5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d06cac5c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d06cac5c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d06cac5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d06cac5c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d06cac5c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d06cac5c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2984 d06cac5c 2984 d06cac5c 2984 d06cac5c 2984 d06cac5c 2984 d06cac5c 2984 d06cac5c 2984 d06cac5c 2984 d06cac5c 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe Token: SeTcbPrivilege 3720 f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe Token: SeDebugPrivilege 2984 d06cac5c Token: SeTcbPrivilege 2984 d06cac5c
Processes
-
C:\Users\Admin\AppData\Local\Temp\f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.exe"C:\Users\Admin\AppData\Local\Temp\f991b1c220e018530949917102519aca24f5dd6304e146d9f3d00bbaa2b7acc8.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:3720
-
C:\Windows\Syswow64\d06cac5cC:\Windows\Syswow64\d06cac5c1⤵
- 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:2984
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\d06cac5c
- Size 560KB
- SHA256 017048a7016149d8b38b87041982633114dd0b3dad49f772018d8c21e051bf36
- MD5 4c040d9c9f3cc42496c04aad3ab0554d
- SHA1 758108cff5f9d83403fea968331452828a49cf69
- SHA512 6037cfd6d40c4a4e6cadd982542fe93bdacd1876922a9b358fb80ea5a2da509ae90af83e83180c28101ea4a24b653fdc9a961d61ea8dfc2e23e5ca36daa33ff6
- SSDEEP 6144:v4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:vrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1DDC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH