Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/04/2026, 04:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe
- Size 4.0MB
- Sample260423-e2977sgy9m
- SHA256 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4
- MD5 cb8a96c12015b27d295669940d533c0b
- SHA1 b68ac73e4c7549c7794b45a7509ae08803742cc2
- SHA512 24e3d2f9dc6b26e2a7c03c16d923cdb1f8ebcdeeba780e3361244f9ba2e1c1c214a1cb134f6a2fbf7090a5342bd7f88ef097a4492c2f738e794829c4084c82ac
- SSDEEP 98304:vnKl2qOb2lP8ssYoJxKkyWsM0r1QnfKHV0Fe7:vCNDtojKL2Kqo7
- TLSH T18D16CF11F7A1C036C49701718D7A876EA678BD214B258AC7B3C47B6E5FB23D1AE3530A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4740 6606d77a - 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 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Destination IP 4 223.5.5.5 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Destination IP 31 114.114.114.114 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Destination IP 32 223.5.5.5 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6606d77a File created C:\Windows\SysWOW64\6606d77a c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6606d77a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6606d77a - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\512688 6606d77a File opened for modification C:\Windows\4eaf68 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.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 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6606d77a - 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:" 6606d77a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6606d77a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6606d77a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6606d77a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6606d77a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6606d77a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6606d77a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6606d77a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6606d77a - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4740 6606d77a 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Token: SeTcbPrivilege 4596 c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe Token: SeDebugPrivilege 4740 6606d77a Token: SeTcbPrivilege 4740 6606d77a
Processes
-
C:\Users\Admin\AppData\Local\Temp\c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.exe"C:\Users\Admin\AppData\Local\Temp\c43253199e693d3029dc88a9bc156ae23600f54505fc3eb2c63892d0fd6e93b4.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:4596
-
C:\Windows\Syswow64\6606d77aC:\Windows\Syswow64\6606d77a1⤵
- 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:4740
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6606d77a
- Size 4.0MB
- SHA256 ef591a3ed37dc67b35a279356ab40518044c52e78eec3755904eb28d2a6b58dc
- MD5 4f9eb72a75a90f62d9f12664bd49c134
- SHA1 18e7c93d0cebc82cbeda810210dac50c0f15fbef
- SHA512 9644b8ccae64fdfcd352fb03b8a20037a174bb79b965c35ab079d4a54600ffc3a04cc69e1d8241ed66d954d28616fd23baf67a80065e56fc9509396bac8e3d25
- SSDEEP 98304:bnKl2qOb2lP8ssYoJxKkyWsM0r1QnfKHV0Fe7:bCNDtojKL2Kqo7
- TLSH T15016CF11F7A1C036C49701718D7A876EA678BD214B258AC7B3C47B6E5FB23D1AE3530A
- MD5 SHA1 SHA512 SSDEEP TLSH