Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 04:26
Behavioral task
behavioral1
Sample
3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe
- Size 761KB
- Sample260529-e2k83scz9w
- SHA256 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e
- MD5 c248f9e6ebea437d9b8d71f290503c7c
- SHA1 f07710ab24fa46124d4c2dc030418189bfca347b
- SHA512 93f246bbe633e9aa7f0f3cd95de3ff22f4a31f346a3a308cdae9b4ec0644f4c05b0524cd097d52725ef4395b66c8f75516f4fa92c2a4c59802611a522398aaf1
- SSDEEP 12288:pSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:QvO2xJKRw2kOkxSkW298B
- TLSH T104F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1504 2a4cd104 - 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 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe Destination IP 2 223.5.5.5 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe Destination IP 18 114.114.114.114 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe Destination IP 19 223.5.5.5 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\2a4cd104 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2a4cd104 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2a4cd104 -
resource yara_rule behavioral2/memory/1704-0-0x0000000000640000-0x00000000006CC000-memory.dmp upx behavioral2/files/0x002a00000002b306-2.dat upx behavioral2/memory/1504-4-0x00000000006A0000-0x000000000072C000-memory.dmp upx behavioral2/memory/1704-10-0x0000000000640000-0x00000000006CC000-memory.dmp upx behavioral2/memory/1504-11-0x00000000006A0000-0x000000000072C000-memory.dmp upx behavioral2/memory/1504-26-0x00000000006A0000-0x000000000072C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\19bfc0 2a4cd104 File opened for modification C:\Windows\1d2c50 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.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 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2a4cd104 - 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:" 2a4cd104 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2a4cd104 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2a4cd104 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2a4cd104 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2a4cd104 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2a4cd104 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2a4cd104 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2a4cd104 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2a4cd104 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1504 2a4cd104 1504 2a4cd104 1504 2a4cd104 1504 2a4cd104 1504 2a4cd104 1504 2a4cd104 1504 2a4cd104 1504 2a4cd104 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe Token: SeTcbPrivilege 1704 3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe Token: SeDebugPrivilege 1504 2a4cd104 Token: SeTcbPrivilege 1504 2a4cd104
Processes
-
C:\Users\Admin\AppData\Local\Temp\3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.exe"C:\Users\Admin\AppData\Local\Temp\3c3e21849b1c402e76661e76393515d3f9a48cdcea14933ac3592866f184198e.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:1704
-
C:\Windows\Syswow64\2a4cd104C:\Windows\Syswow64\2a4cd1041⤵
- 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:1504
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2a4cd104
- Size 761KB
- SHA256 34f554b0bbfc27bff08ae8715518b03f67a31e778a3e4bba93329e7d8d687e3d
- MD5 8c0dbbf98ab62161d9d3d66eb70d3775
- SHA1 094ef774decb077eb9c80c6e22a495ca549e036b
- SHA512 228b861f62e623b4c729759fd37b21d690a2062119e83ca65f834b93467d86a224f1edc66bc3afd77e4385c528cad4fd116ea05bb939a635fdb6bcf3ef3bdd73
- SSDEEP 12288:CSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:JvO2xJKRw2kOkxSkW298B
- TLSH T1ABF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH