Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/08/2026, 14:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
9 signatures
150 seconds
General
- Target 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe
- Size 395KB
- Sample260807-ryfweaxeld
- SHA256 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a
- MD5 915bff8b51a98c4c6f2351d9672c0116
- SHA1 cd39840400793cb2f93682aabd17f8818e1366f6
- SHA512 05135fee59b527759ce1518967fcf668e86cfb4cd3e59f81c85acf8c260d2410c0e1c04ce88f35378b75197069003186bb0d17b706c6b1b8ca9dcd4ce6b0aed0
- SSDEEP 6144:JcbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:JCSvO2x9mONvKRILSFnOkx2LIa
- TLSH T173846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1736 42166f9 - 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 7 223.5.5.5 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe Destination IP 33 114.114.114.114 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe Destination IP 36 223.5.5.5 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe Destination IP 2 114.114.114.114 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 42166f9 File created C:\Windows\SysWOW64\42166f9 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 42166f9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 42166f9 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1db890 42166f9 File opened for modification C:\Windows\df860 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.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 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 42166f9 - 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\Content\CachePrefix 42166f9 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 42166f9 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 42166f9 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 42166f9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 42166f9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 42166f9 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 42166f9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 42166f9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 42166f9 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1736 42166f9 1736 42166f9 1736 42166f9 1736 42166f9 1736 42166f9 1736 42166f9 1736 42166f9 1736 42166f9 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe Token: SeTcbPrivilege 816 5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe Token: SeDebugPrivilege 1736 42166f9 Token: SeTcbPrivilege 1736 42166f9
Processes
-
C:\Users\Admin\AppData\Local\Temp\5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.exe"C:\Users\Admin\AppData\Local\Temp\5f4f055644be28049b3a859d28aeb6558028585d94d43f7a4f94261bc1f5df4a.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:816
-
C:\Windows\Syswow64\42166f9C:\Windows\Syswow64\42166f91⤵
- 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:1736
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\42166f9
- Size 395KB
- SHA256 46f69524fbc571f9162a3c26ab556777680c537b7aea5269e896174e82ad6831
- MD5 f53759777dffbff4f3d74ba931e6c443
- SHA1 468ae1db3018fe83a8b6b59923dc3f551e9a6017
- SHA512 5e91e138ff98ba317808eac968dfa2667061303dc9b2da1b13a0739ab95be78fdc97b4330b019ca2ce5551c425f399b7f52492f825da91a50d2ae8cd1733bb39
- SSDEEP 6144:rcbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:rCSvO2x9mONvKRILSFnOkx2LIa
- TLSH T1CE846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH