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
19/07/2026, 03:47
Behavioral task
behavioral1
Sample
f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe
- Size 560KB
- Sample260719-echfwsdy91
- SHA256 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788
- MD5 0158fa0390d7bb7f3024835d99d3fc82
- SHA1 060ac9aab2e80b6a2feb9825fcfd1871973d3eb8
- SHA512 d4a16937845addbbf8d3944a3cf0240af4938f927be8e5de2a14a2bd0687128fbcf6289e9db289b8de2222acc039bb643db0c2423da4e0ea9a198900d79176c2
- SSDEEP 6144:Kgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:KI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1A5C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2112 8f17b52f - 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 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe Destination IP 4 223.5.5.5 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe Destination IP 57 114.114.114.114 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe Destination IP 58 223.5.5.5 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8f17b52f File created C:\Windows\SysWOW64\8f17b52f f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8f17b52f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8f17b52f -
resource yara_rule behavioral1/memory/1952-0-0x00000000007D0000-0x000000000085C000-memory.dmp upx behavioral1/files/0x000f0000000243c2-2.dat upx behavioral1/memory/2112-3-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/memory/1952-10-0x00000000007D0000-0x000000000085C000-memory.dmp upx behavioral1/memory/2112-11-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/memory/2112-20-0x00000000004B0000-0x000000000053C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\216b40 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe File opened for modification C:\Windows\242880 8f17b52f - 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 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8f17b52f - 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\History\CachePrefix = "Visited:" 8f17b52f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8f17b52f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8f17b52f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8f17b52f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8f17b52f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8f17b52f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8f17b52f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8f17b52f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8f17b52f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2112 8f17b52f 2112 8f17b52f 2112 8f17b52f 2112 8f17b52f 2112 8f17b52f 2112 8f17b52f 2112 8f17b52f 2112 8f17b52f 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe Token: SeTcbPrivilege 1952 f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe Token: SeDebugPrivilege 2112 8f17b52f Token: SeTcbPrivilege 2112 8f17b52f
Processes
-
C:\Users\Admin\AppData\Local\Temp\f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.exe"C:\Users\Admin\AppData\Local\Temp\f9227c1436992bfd72bde9bedf2cb24b2dd56cd82d6af4014e445de672ead788.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:1952
-
C:\Windows\Syswow64\8f17b52fC:\Windows\Syswow64\8f17b52f1⤵
- 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:2112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8f17b52f
- Size 560KB
- SHA256 2eb0b6769396ed86ddd850325d58c227fbd17bd1f35b57bfb32b21c1aecf7f79
- MD5 f4605f5608168fff5ac9cd88c7050b02
- SHA1 abd089450fc26703b07949df0d4a821c56c76624
- SHA512 558a671c10378164cee491b12c2f2fa1e67690b6c0cf0d7e257f87bb296101a4e48f356eca6fa2fedec92717f705ac79e47d0418a9b3a8ff9c7c69377a940364
- SSDEEP 6144:zgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:zI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T140C48C2AB690D076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH