Analysis
- max time kernel
150s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
31/05/2026, 20:54
Behavioral task
behavioral1
Sample
42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe
- Size 761KB
- Sample260531-zqcssaav3k
- SHA256 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89
- MD5 4c4b42b1d63c817ee11068dc667054f7
- SHA1 6b36226f6e41ce37884d411f1e75462ac555407c
- SHA512 34eb4292dd1fe6e56aaec6a204a5a8fa25bc9d60011adecae23588cff89914b2398a4d9c629b263950825f3b8e61f9b021edb30bb00c893c3b596bfac8e3c9ad
- SSDEEP 12288:qSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:xvO2xJKRw2kOkxSkW298B
- TLSH T11BF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3492 94da1c11 - 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 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe Destination IP 2 223.5.5.5 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe Destination IP 7 114.114.114.114 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe Destination IP 8 223.5.5.5 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 94da1c11 File created C:\Windows\SysWOW64\94da1c11 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 94da1c11 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 94da1c11 -
resource yara_rule behavioral2/memory/2448-0-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/files/0x000b00000002aac6-2.dat upx behavioral2/memory/3492-4-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral2/memory/2448-10-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/memory/3492-11-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral2/memory/3492-21-0x00000000008B0000-0x000000000093C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3bc8c8 94da1c11 File opened for modification C:\Windows\29e920 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.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 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 94da1c11 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 94da1c11 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 94da1c11 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 94da1c11 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 94da1c11 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 94da1c11 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 94da1c11 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 94da1c11 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 94da1c11 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 94da1c11 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3492 94da1c11 3492 94da1c11 3492 94da1c11 3492 94da1c11 3492 94da1c11 3492 94da1c11 3492 94da1c11 3492 94da1c11 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe Token: SeTcbPrivilege 2448 42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe Token: SeDebugPrivilege 3492 94da1c11 Token: SeTcbPrivilege 3492 94da1c11
Processes
-
C:\Users\Admin\AppData\Local\Temp\42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.exe"C:\Users\Admin\AppData\Local\Temp\42fcd9de4a6ebfde708cbfb313ca5c4c0a37bbfa7fa2e824a2f6ca32718ccb89.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:2448
-
C:\Windows\Syswow64\94da1c11C:\Windows\Syswow64\94da1c111⤵
- 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:3492
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\94da1c11
- Size 761KB
- SHA256 c3a050ef1464d9b986d26acccf5f1e12dadabbdc09d9860e641316f1843ac7af
- MD5 0e12cd7f967d84020dc827a29b1193b7
- SHA1 2e49f7247dc4c5f045b486249084a1c8e89216bc
- SHA512 9ef63a206b378dfaef87d3609849d5cb2d20ecd995339365e0e3c4f9621dcc88e763d205816dc43b0c52c8e6e962ca5306626a965668c725bc686df5c32e80e1
- SSDEEP 12288:eSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:dvO2xJKRw2kOkxSkW298B
- TLSH T150F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH