Analysis
- max time kernel
149s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 10:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe
- Size 547KB
- Sample260423-mkptyabt4j
- SHA256 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2
- MD5 242945e0542a255b8eaed82d2c811cec
- SHA1 3bf88ae19eee356d7c9ba3d231cd6d2fdf5c58f9
- SHA512 7e8f4c2469796237a0cdef4834a5fdb7659cb3bdaea16d465e9bee3d05ba7c6d5992035633d307daa520ff14c48e9cc58092c38e96dba385cf1c5eeb8c251ec2
- SSDEEP 6144:lcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOaxy8KARG3:lSvO2x9mONvKRILSFnOkx2LIaxy6RY
- TLSH T1B5C47C27B6908236C4778675C4E647A6FBB5B511BB228B8F675083190F237D3BE21B1C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2812 61a206e0 - 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 1 114.114.114.114 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe Destination IP 2 223.5.5.5 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe Destination IP 9 114.114.114.114 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe Destination IP 10 223.5.5.5 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 61a206e0 File created C:\Windows\SysWOW64\61a206e0 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 61a206e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 61a206e0 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\302478 61a206e0 File opened for modification C:\Windows\384ab0 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.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 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 61a206e0 - 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 61a206e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 61a206e0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 61a206e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 61a206e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 61a206e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 61a206e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 61a206e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 61a206e0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 61a206e0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2812 61a206e0 2812 61a206e0 2812 61a206e0 2812 61a206e0 2812 61a206e0 2812 61a206e0 2812 61a206e0 2812 61a206e0 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe Token: SeTcbPrivilege 3288 fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe Token: SeDebugPrivilege 2812 61a206e0 Token: SeTcbPrivilege 2812 61a206e0
Processes
-
C:\Users\Admin\AppData\Local\Temp\fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.exe"C:\Users\Admin\AppData\Local\Temp\fcfa4ba64f28f789c537a5e8cdab6200756e7fcde7fe44ef9c0cdc314fac5fb2.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:3288
-
C:\Windows\Syswow64\61a206e0C:\Windows\Syswow64\61a206e01⤵
- 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:2812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\61a206e0
- Size 547KB
- SHA256 f9caac906cbf86ce36f541207ae13156949d2170253d7ac470fa9709208aad59
- MD5 9acd461a4e8e3e6bc5bddb1bb98086c9
- SHA1 1384798114d1b1f612a341fac3b434ed9c6fb86d
- SHA512 a4821dd42459bbd186d190c7bbcea48575b65f938f1d0ea5f669cf8bad6962e5a60472c957c3e24d95726cf629987e08a65cbeb215c1034ab4194822addd0c52
- SSDEEP 6144:OcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOaxy8KARG3:OSvO2x9mONvKRILSFnOkx2LIaxy6RY
- TLSH T180C47C27B6908236C4778675C4E647A6FBB5B511BB228B8F675083190F237D3BE21B1C
- MD5 SHA1 SHA512 SSDEEP TLSH