Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/04/2026, 03:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe
- Size 419KB
- Sample260426-dvr8dacx4x
- SHA256 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c
- MD5 2d044489c876d0a7137aa85fe2517981
- SHA1 7857e91a3035ad95d68af3f9473f1260299da19a
- SHA512 6565c1cd6be17aae22c3b4cfb004c52b2c3609d3f4701bcea4fe22b8ef1ca02b2bccad6bdce4b5887a8bec3a39b938d9c767389310f8dbec557078e21360be8d
- SSDEEP 6144:U6DmGnV0H2LALrYcdwVDL+gqFCcEOkCybEaQRXr9HNdvOa:U6D/WiA3YcyVDLjOkx2LIa
- TLSH T1DB947C29BAE08073C5678576C4E257A6FBB1B52127108ACFA390475A1F237E3BD3531E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2712 39729c9e - 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 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe Destination IP 4 223.5.5.5 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe Destination IP 25 114.114.114.114 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe Destination IP 28 223.5.5.5 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39729c9e File created C:\Windows\SysWOW64\39729c9e ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39729c9e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39729c9e - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2e6e30 39729c9e File opened for modification C:\Windows\2a0c30 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.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 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39729c9e - 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 39729c9e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 39729c9e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 39729c9e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 39729c9e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 39729c9e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 39729c9e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 39729c9e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 39729c9e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 39729c9e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2712 39729c9e 2712 39729c9e 2712 39729c9e 2712 39729c9e 2712 39729c9e 2712 39729c9e 2712 39729c9e 2712 39729c9e 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe Token: SeTcbPrivilege 2456 ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe Token: SeDebugPrivilege 2712 39729c9e Token: SeTcbPrivilege 2712 39729c9e
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.exe"C:\Users\Admin\AppData\Local\Temp\ca48b1d8bdf6d0a3c1585c1d4fcd4d4c5b9b4bb1fefb8c85e979c27bc5e1218c.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:2456
-
C:\Windows\Syswow64\39729c9eC:\Windows\Syswow64\39729c9e1⤵
- 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:2712
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\39729c9e
- Size 419KB
- SHA256 64f2abce2cc9a4ca3a2fc14e68e843ed210a562688e2a3a93691810f702a1ac6
- MD5 c2f9df0a5f4b276e4d90b4630f87ab2b
- SHA1 dcc0333bce3afb98997b4f4ddae0a61d88fa1fca
- SHA512 c0e7a48f53e3a1f1062bef2855de0229b1fea210de0a570a2c712996636902f933eda8f7a93c3ce7e1964bffcb03eb3d3fbf5bb2470afcd3f03104c48c063550
- SSDEEP 6144:06DmGnV0H2LALrYcdwVDL+gqFCcEOkCybEaQRXr9HNdvOa:06D/WiA3YcyVDLjOkx2LIa
- TLSH T156947C29BAE08073C5678576C4E257A6FBB1B52127108ACFA390475A1F237E3BD3531E
- MD5 SHA1 SHA512 SSDEEP TLSH