Analysis
- max time kernel
149s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 13:35
Behavioral task
behavioral1
Sample
f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe
- Size 638KB
- Sample260527-qv56fsey3n
- SHA256 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e
- MD5 f43aa290e1ac7b899da9778c3d16df4b
- SHA1 e78beb226a175e983175e8301428ab5fdb176601
- SHA512 dd7558ab2e645833f15bf05c74b92fcf05c32afd24225b9ba507afd00475e8d6e5e3aa239b2b0fbf2bffcb8f2f3cc4b53fd6ae40076ed38f3647eed231b6b77c
- SSDEEP 6144:EcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:ESvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T139D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5012 68d8d28 - 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 2 223.5.5.5 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe Destination IP 13 114.114.114.114 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe Destination IP 15 223.5.5.5 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe Destination IP 1 114.114.114.114 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 68d8d28 File created C:\Windows\SysWOW64\68d8d28 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 68d8d28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 68d8d28 -
resource yara_rule behavioral2/memory/3976-0-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/files/0x001000000002a985-2.dat upx behavioral2/memory/5012-3-0x0000000000140000-0x00000000001CC000-memory.dmp upx behavioral2/memory/3976-15-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/memory/5012-16-0x0000000000140000-0x00000000001CC000-memory.dmp upx behavioral2/memory/5012-34-0x0000000000140000-0x00000000001CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\55cea8 68d8d28 File opened for modification C:\Windows\441210 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.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 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 68d8d28 - 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:" 68d8d28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 68d8d28 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 68d8d28 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 68d8d28 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 68d8d28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 68d8d28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 68d8d28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 68d8d28 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 68d8d28 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5012 68d8d28 5012 68d8d28 5012 68d8d28 5012 68d8d28 5012 68d8d28 5012 68d8d28 5012 68d8d28 5012 68d8d28 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe Token: SeTcbPrivilege 3976 f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe Token: SeDebugPrivilege 5012 68d8d28 Token: SeTcbPrivilege 5012 68d8d28
Processes
-
C:\Users\Admin\AppData\Local\Temp\f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.exe"C:\Users\Admin\AppData\Local\Temp\f266080c0ab275589724a45f80bcc0cf5a751d407bc8be68f072e2b633b7fc2e.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:3976
-
C:\Windows\Syswow64\68d8d28C:\Windows\Syswow64\68d8d281⤵
- 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:5012
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\68d8d28
- Size 638KB
- SHA256 9c10bc751b4ecea6bc8581c2b725ec45a508e8fbadcf0feb670c9bcd6920b266
- MD5 d96271fa81e8ccf21db5be66e3c3ee6d
- SHA1 39703dbfc61020c5f9e0ed0ee76d6766a8829136
- SHA512 4b5f00494d03463a21cacfdad34e55beaadd2011bc994b8e3df3489f3c136c8d2311aba00ed08197506b714c6498f9d462317dcc671187732a0313886363c765
- SSDEEP 6144:ZcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:ZSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T1D3D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH