Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/04/2026, 10:45
Behavioral task
behavioral1
Sample
a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe
- Size 2.9MB
- Sample260416-mtgvpadt3l
- SHA256 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e
- MD5 3c3d73d30857325d3bac8a5bdbcb4314
- SHA1 8c20be5d87243098b8403dfc3fe90606f7664d8a
- SHA512 faced1f890e8b6c6eab9261b0583e6c1f7c6ce4fda1e6ab5054d21c5ffb2386eb0de7598b818e01dcf140f4e8d80edefb6ed855f9466b032d126876019ca3c55
- SSDEEP 49152:pHHKX2WQt56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:pnK7mkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T18DD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5076 40ba2404 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 35 223.5.5.5 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 105 114.114.114.114 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 106 223.5.5.5 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 4 114.114.114.114 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 6 223.5.5.5 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 34 114.114.114.114 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 40ba2404 File created C:\Windows\SysWOW64\40ba2404 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 40ba2404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 40ba2404 -
resource yara_rule behavioral1/memory/1544-0-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral1/files/0x0008000000023704-2.dat upx behavioral1/memory/5076-4-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral1/memory/1544-10-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral1/memory/5076-13-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral1/memory/5076-39-0x0000000000900000-0x000000000098C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56e728 40ba2404 File opened for modification C:\Windows\1a6f10 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.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 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 40ba2404 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 40ba2404 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 40ba2404 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 40ba2404 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 40ba2404 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 40ba2404 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 40ba2404 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 40ba2404 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 40ba2404 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 40ba2404 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5076 40ba2404 5076 40ba2404 5076 40ba2404 5076 40ba2404 5076 40ba2404 5076 40ba2404 5076 40ba2404 5076 40ba2404 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Token: SeTcbPrivilege 1544 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Token: SeDebugPrivilege 5076 40ba2404 Token: SeTcbPrivilege 5076 40ba2404
Processes
-
C:\Users\Admin\AppData\Local\Temp\a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe"C:\Users\Admin\AppData\Local\Temp\a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.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:1544
-
C:\Windows\Syswow64\40ba2404C:\Windows\Syswow64\40ba24041⤵
- 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:5076
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\40ba2404
- Size 2.9MB
- SHA256 b5f1fa6a0d2cfde11a06c9f4efa5245582eca0f71a437e92fa6f06775fdb4cc7
- MD5 455744aec1d2e4a1d65a93e18d0d91ef
- SHA1 f891e831d2ad3e62296a0e264b930599aa0f01a3
- SHA512 f3bffb9c5c2322ec3cafa2b487fc31c4d489c4c68e17a0c786579e44e9396859ac06d131e009089f5a6ebe5765a6520b26ef1877ada9c883e735dd05a2769db9
- SSDEEP 49152:7HHKX2WQt56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:7nK7mkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1FBD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH