Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-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 2464 34f2d636 - 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 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 2 223.5.5.5 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 11 114.114.114.114 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Destination IP 12 223.5.5.5 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\34f2d636 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 34f2d636 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 34f2d636 -
resource yara_rule behavioral2/memory/3332-0-0x00000000005D0000-0x000000000065C000-memory.dmp upx behavioral2/files/0x000500000000d444-2.dat upx behavioral2/memory/2464-3-0x00000000004E0000-0x000000000056C000-memory.dmp upx behavioral2/memory/3332-12-0x00000000005D0000-0x000000000065C000-memory.dmp upx behavioral2/memory/2464-15-0x00000000004E0000-0x000000000056C000-memory.dmp upx behavioral2/memory/2464-39-0x00000000004E0000-0x000000000056C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2a2f40 34f2d636 File opened for modification C:\Windows\390b88 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 34f2d636 - 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 34f2d636 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 34f2d636 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 34f2d636 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 34f2d636 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 34f2d636 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 34f2d636 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 34f2d636 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 34f2d636 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 34f2d636 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2464 34f2d636 2464 34f2d636 2464 34f2d636 2464 34f2d636 2464 34f2d636 2464 34f2d636 2464 34f2d636 2464 34f2d636 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Token: SeTcbPrivilege 3332 a34c9027f01a4d09a1dd186c5c1ff7d3cd441e826d43effbb116a94ac1891f1e.exe Token: SeDebugPrivilege 2464 34f2d636 Token: SeTcbPrivilege 2464 34f2d636
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:3332
-
C:\Windows\Syswow64\34f2d636C:\Windows\Syswow64\34f2d6361⤵
- 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:2464
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\34f2d636
- Size 2.9MB
- SHA256 5008c609b72e8dc9caddadbbb73f3bbd65d3f98407bf072eee87295c5ef2b4db
- MD5 1c6eff52fe7bbe5f2dca4b338c0ca336
- SHA1 dd4ba85bdb80f5484aadfe68258f42bcad2b0892
- SHA512 2953fa9406c354a267b858363cd6abae78503e162c08cf8d0d5b430c7cd9c282a647e33638798bd757b9a3d54a5c4936a92a931c8080d6fd63b3c6a13989bd8b
- SSDEEP 49152:zHHKX2WQt56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:znK7mkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T176D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH