Analysis
- max time kernel
149s - max time network
144s - 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, 23:54
Behavioral task
behavioral1
Sample
4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe
- Size 560KB
- Sample260426-3xyklsat21
- SHA256 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826
- MD5 5f295486fc4411e259c6d974681fc186
- SHA1 4154291fb13a90662e7673899cb1568a35f77f66
- SHA512 7488b26e9b92c5778467fbdf62e5c3f1da4b393c8f4cc953cceaa0fa1a25d9ca9476f4abad0c4885d9fc49ce5193ab52dd5a6606a11d45d7f998384ff8e08454
- SSDEEP 6144:/4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:/rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1F4C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4012 d11e31d6 - 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 98 114.114.114.114 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 99 223.5.5.5 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 3 114.114.114.114 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 4 223.5.5.5 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 39 114.114.114.114 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 40 223.5.5.5 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.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\IE d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d11e31d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d11e31d6 File created C:\Windows\SysWOW64\d11e31d6 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe -
resource yara_rule behavioral1/memory/2340-0-0x0000000000080000-0x000000000010C000-memory.dmp upx behavioral1/files/0x000a0000000242a5-2.dat upx behavioral1/memory/4012-3-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx behavioral1/memory/2340-10-0x0000000000080000-0x000000000010C000-memory.dmp upx behavioral1/memory/4012-11-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx behavioral1/memory/4012-31-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\44afd8 d11e31d6 File opened for modification C:\Windows\280fc8 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.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 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d11e31d6 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d11e31d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d11e31d6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d11e31d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d11e31d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d11e31d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d11e31d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d11e31d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d11e31d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d11e31d6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4012 d11e31d6 4012 d11e31d6 4012 d11e31d6 4012 d11e31d6 4012 d11e31d6 4012 d11e31d6 4012 d11e31d6 4012 d11e31d6 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Token: SeTcbPrivilege 2340 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Token: SeDebugPrivilege 4012 d11e31d6 Token: SeTcbPrivilege 4012 d11e31d6
Processes
-
C:\Users\Admin\AppData\Local\Temp\4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe"C:\Users\Admin\AppData\Local\Temp\4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.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:2340
-
C:\Windows\Syswow64\d11e31d6C:\Windows\Syswow64\d11e31d61⤵
- 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:4012
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d11e31d6
- Size 560KB
- SHA256 29e0b9da0a5f10c03ab726da75e56ba4c6379dfa98987b831db0a5cc19b2e34c
- MD5 e9d55c2137298bd83b49820cc0b5a60e
- SHA1 76888c0a8f113159ea1f9161dcd94c23234788a2
- SHA512 b20a0651fa05309763fcbb8064760b33788ac7be04ad44a81faf7adb17c58acbf628538b195568d1d031055f714c2613456bef988449b9a94c6ba36af74ba9cc
- SSDEEP 6144:x4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:xrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T11DC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH