Analysis Overview
SHA256
100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc
Threat Level: Shows suspicious behavior
The file 100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
ACProtect 1.3x - 1.4x DLL software
Adds Run key to start application
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Drops file in Program Files directory
Unsigned PE
System Network Configuration Discovery: Internet Connection Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-10 01:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 01:33
Reported
2024-11-10 01:36
Platform
win7-20240903-en
Max time kernel
142s
Max time network
146s
Command Line
Signatures
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
| N/A | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
| N/A | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
| N/A | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
| N/A | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
| N/A | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\ynrwl\\aavrvgzu.exe \"c:\\Program Files\\ynrwl\\aavrvgzu.dll\",SetHandle" | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
Enumerates connected drives
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Program Files\ynrwl\aavrvgzu.exe | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
| File opened for modification | \??\c:\Program Files\ynrwl | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
| File created | \??\c:\Program Files\ynrwl\aavrvgzu.dll | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
| File created | \??\c:\Program Files\ynrwl\aavrvgzu.exe | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\PING.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
| N/A | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\ynrwl\aavrvgzu.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hotta.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe
"C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hotta.exe "C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\hotta.exe
C:\Users\Admin\AppData\Local\Temp\\hotta.exe "C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe"
\??\c:\Program Files\ynrwl\aavrvgzu.exe
"c:\Program Files\ynrwl\aavrvgzu.exe" "c:\Program Files\ynrwl\aavrvgzu.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\hotta.exe
Network
| Country | Destination | Domain | Proto |
| US | 98.126.40.20:803 | tcp | |
| US | 98.126.40.20:803 | tcp | |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.18:3204 | tcp |
Files
memory/2308-0-0x0000000000400000-0x000000000042F036-memory.dmp
memory/2308-2-0x0000000000400000-0x000000000042F036-memory.dmp
\Users\Admin\AppData\Local\Temp\hotta.exe
| MD5 | 629c5a2717d5fb8d23fe99413ff4c31e |
| SHA1 | a8028f7f0492678fd5271f9a2e5a8f0f741315c9 |
| SHA256 | ba83ed6687577ad155df49e85fb037c5e25d2d9162a3f1499b8153d2498f5826 |
| SHA512 | 5c2535c3d3a71a0f5296c13f81543a14f6469124cdb0c4a478f415e8aa232b5ed11163456914a00e194174196e2320ec355f2d31ea07894bee34a07120556220 |
memory/2844-8-0x0000000000400000-0x000000000042F036-memory.dmp
memory/1812-6-0x0000000000180000-0x00000000001B0000-memory.dmp
\Program Files\ynrwl\aavrvgzu.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
memory/2844-16-0x0000000000400000-0x000000000042F036-memory.dmp
\??\c:\Program Files\ynrwl\aavrvgzu.dll
| MD5 | 7e4aa5c21616797640d145c6e2e00c00 |
| SHA1 | 234c825a2fb2977112f1f2980b38610068ee7752 |
| SHA256 | 36875f67e214bab64df24f5174ec850f4f9a2ffccdf6ff3c04e7e174a0382fe3 |
| SHA512 | 269362d7880ba4da2bf4ea1f5decbee8d5ed47c720efc5e7b1c62a29d848de5bdb2077102b9092091e3dfd067c7cc2934dbbc0e9ed5dd21b795ee6cf361bd5e8 |
memory/2696-23-0x0000000010000000-0x0000000010048000-memory.dmp
memory/2696-24-0x0000000010000000-0x0000000010048000-memory.dmp
memory/2696-29-0x0000000010000000-0x0000000010048000-memory.dmp
memory/2696-30-0x0000000010000000-0x0000000010048000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 01:33
Reported
2024-11-10 01:36
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\cpyjx\\jaledoevc.exe \"c:\\Program Files\\cpyjx\\jaledoevc.dll\",SetHandle" | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
Enumerates connected drives
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Program Files\cpyjx\jaledoevc.exe | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
| File opened for modification | \??\c:\Program Files\cpyjx | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
| File created | \??\c:\Program Files\cpyjx\jaledoevc.dll | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
| File created | \??\c:\Program Files\cpyjx\jaledoevc.exe | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\PING.EXE | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\cpyjx\jaledoevc.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe
"C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hzxytsvpj.exe "C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe
C:\Users\Admin\AppData\Local\Temp\\hzxytsvpj.exe "C:\Users\Admin\AppData\Local\Temp\100b4d183aa53f663a639cff1490ec76942ad04d884102d89896880534ba70bc.exe"
\??\c:\Program Files\cpyjx\jaledoevc.exe
"c:\Program Files\cpyjx\jaledoevc.exe" "c:\Program Files\cpyjx\jaledoevc.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 98.126.40.20:803 | tcp | |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.18:3204 | tcp | |
| US | 8.8.8.8:53 | 69.209.201.84.in-addr.arpa | udp |
| US | 98.126.40.18:3204 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.209.201.84.in-addr.arpa | udp |
| US | 98.126.40.18:3204 | tcp |
Files
memory/936-0-0x0000000000400000-0x000000000042F036-memory.dmp
memory/936-2-0x0000000000400000-0x000000000042F036-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hzxytsvpj.exe
| MD5 | f9ea31b4b7d689f07b0710e989e2d6f8 |
| SHA1 | 5d39dbaa34ec274d7df98493c526c13d5ae5e714 |
| SHA256 | 7bc440fd3551d89c7c8e68b832532e09ed4faba67c7b8848af7e8e5567c35f31 |
| SHA512 | 92f9b98849ae20a4dab0124a206799598ba8884a1b33875898a9518c811c5430894aea9b72d810fa5fdbac170ba6dd16ac0b7628fe77080723de55ae73940435 |
memory/540-11-0x0000000000400000-0x000000000042F036-memory.dmp
C:\Program Files\cpyjx\jaledoevc.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |
\??\c:\Program Files\cpyjx\jaledoevc.dll
| MD5 | 78d782afab8900c5941c81d358828764 |
| SHA1 | 752ac990f89e5d4c3a1b39f3d00099f8ccc9e987 |
| SHA256 | 6a2a24b4871c369f951e449f6513f56d6178be0e493e9dd6b0702d7878c88d78 |
| SHA512 | 5f735316dcf57ab1a75157c333fed2a5060ac4a1330bd3998102b3e692a28ed12ba796f45abe61d01264b738f3ed24a3bc040d8ad7fbed984a111d32f2c7a7c3 |
memory/4292-15-0x0000000010000000-0x0000000010048000-memory.dmp
memory/4292-16-0x0000000010000000-0x0000000010048000-memory.dmp
memory/4292-18-0x0000000010000000-0x0000000010048000-memory.dmp
memory/4292-20-0x0000000010000000-0x0000000010048000-memory.dmp