Analysis Overview
SHA256
1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629
Threat Level: Shows suspicious behavior
The file 1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Loads dropped DLL
Executes dropped EXE
Reads user/profile data of web browsers
Enumerates connected drives
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Drops file in Program Files directory
System Network Configuration Discovery: Internet Connection Discovery
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Checks processor information in registry
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-15 23:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-15 23:26
Reported
2024-10-15 23:28
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe | N/A |
| N/A | N/A | \??\c:\Program Files\jxhxpruyk\qtoss.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\jxhxpruyk\qtoss.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\jxhxpruyk\\qtoss.exe \"c:\\Program Files\\jxhxpruyk\\qtoss.dll\",Compliance" | \??\c:\Program Files\jxhxpruyk\qtoss.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\jxhxpruyk\qtoss.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Program Files\jxhxpruyk | C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe | N/A |
| File created | \??\c:\Program Files\jxhxpruyk\qtoss.dll | C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe | N/A |
| File created | \??\c:\Program Files\jxhxpruyk\qtoss.exe | C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe | N/A |
| File opened for modification | \??\c:\Program Files\jxhxpruyk\qtoss.exe | C:\Users\Admin\AppData\Local\Temp\vprcgbn.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\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\Program Files\jxhxpruyk\qtoss.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\jxhxpruyk\qtoss.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\jxhxpruyk\qtoss.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\jxhxpruyk\qtoss.exe | N/A |
| N/A | N/A | \??\c:\Program Files\jxhxpruyk\qtoss.exe | N/A |
| N/A | N/A | \??\c:\Program Files\jxhxpruyk\qtoss.exe | N/A |
| N/A | N/A | \??\c:\Program Files\jxhxpruyk\qtoss.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\jxhxpruyk\qtoss.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe
"C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\vprcgbn.exe "C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe
C:\Users\Admin\AppData\Local\Temp\\vprcgbn.exe "C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe"
\??\c:\Program Files\jxhxpruyk\qtoss.exe
"c:\Program Files\jxhxpruyk\qtoss.exe" "c:\Program Files\jxhxpruyk\qtoss.dll",Compliance C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 107.163.241.181:16300 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.182:12354 | tcp | |
| US | 107.163.241.182:12354 | tcp | |
| US | 107.163.43.144:12388 | tcp | |
| US | 107.163.241.182:12354 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 107.163.241.193:6520 | tcp | |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/4928-0-0x0000000000400000-0x000000000044901D-memory.dmp
memory/4928-1-0x0000000000400000-0x000000000044901D-memory.dmp
memory/4928-2-0x0000000000400000-0x000000000044901D-memory.dmp
memory/4928-4-0x0000000000400000-0x000000000044901D-memory.dmp
C:\Users\Admin\AppData\Local\Temp\vprcgbn.exe
| MD5 | 52872d20f6b8abc5d65ccf20140e8af2 |
| SHA1 | 29dd0ee2d6e917338c8501817173f9a45e6123f0 |
| SHA256 | 6a8c7fcc16dd9b59169928ef9f36bd9bb151fd939cd2370bfeb621cb7888ab36 |
| SHA512 | 15e90c3930343b96cab5ad5622b8cbc0647e036e9597edd467b4adef9d7dbd7b346b60e3b8fec8df8f5307b8f2c2d945a1e3b4be9703cdb0e02dabe3b56e4d8c |
memory/3940-8-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3940-10-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3940-9-0x0000000000400000-0x000000000044901D-memory.dmp
C:\Program Files\jxhxpruyk\qtoss.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |
memory/3940-16-0x0000000000400000-0x000000000044901D-memory.dmp
\??\c:\Program Files\jxhxpruyk\qtoss.dll
| MD5 | 82b79496aef51793075a5578d257ff3e |
| SHA1 | 8a489fc76ea3189407cc22608698c538efe031d0 |
| SHA256 | bfad21709f945a68401deb0e1422f9a0e1f098d032b01f6ae3743ad9495d0ac6 |
| SHA512 | 6623be3ae84f33b85a1d94cd2b2c5c3436965cf830fea2d098138a84e42c3069eaef5deeb70e1f963d42e19e0d17498787aadf87b3b1ce74ca09f4528d02de66 |
memory/4444-20-0x0000000010000000-0x000000001004E000-memory.dmp
memory/4444-22-0x0000000010000000-0x000000001004E000-memory.dmp
memory/4444-25-0x0000000010000000-0x000000001004E000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-15 23:26
Reported
2024-10-15 23:28
Platform
win7-20240903-en
Max time kernel
147s
Max time network
148s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nstqd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nstqd.exe | N/A |
| N/A | N/A | \??\c:\Program Files\trkjgjvan\zcqij.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\nstqd.exe | N/A |
| N/A | N/A | \??\c:\Program Files\trkjgjvan\zcqij.exe | N/A |
| N/A | N/A | \??\c:\Program Files\trkjgjvan\zcqij.exe | N/A |
| N/A | N/A | \??\c:\Program Files\trkjgjvan\zcqij.exe | N/A |
| N/A | N/A | \??\c:\Program Files\trkjgjvan\zcqij.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\trkjgjvan\\zcqij.exe \"c:\\Program Files\\trkjgjvan\\zcqij.dll\",Compliance" | \??\c:\Program Files\trkjgjvan\zcqij.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\trkjgjvan\zcqij.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Program Files\trkjgjvan | C:\Users\Admin\AppData\Local\Temp\nstqd.exe | N/A |
| File created | \??\c:\Program Files\trkjgjvan\zcqij.dll | C:\Users\Admin\AppData\Local\Temp\nstqd.exe | N/A |
| File created | \??\c:\Program Files\trkjgjvan\zcqij.exe | C:\Users\Admin\AppData\Local\Temp\nstqd.exe | N/A |
| File opened for modification | \??\c:\Program Files\trkjgjvan\zcqij.exe | C:\Users\Admin\AppData\Local\Temp\nstqd.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\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\nstqd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\Program Files\trkjgjvan\zcqij.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\trkjgjvan\zcqij.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\trkjgjvan\zcqij.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\trkjgjvan\zcqij.exe | N/A |
| N/A | N/A | \??\c:\Program Files\trkjgjvan\zcqij.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\trkjgjvan\zcqij.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nstqd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe
"C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nstqd.exe "C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\nstqd.exe
C:\Users\Admin\AppData\Local\Temp\\nstqd.exe "C:\Users\Admin\AppData\Local\Temp\1c38ff14e729cc1738c016c89a52a3dc885f3b6fc39385fcfb87ad82af9fc629.exe"
\??\c:\Program Files\trkjgjvan\zcqij.exe
"c:\Program Files\trkjgjvan\zcqij.exe" "c:\Program Files\trkjgjvan\zcqij.dll",Compliance C:\Users\Admin\AppData\Local\Temp\nstqd.exe
Network
| Country | Destination | Domain | Proto |
| US | 107.163.241.181:16300 | tcp | |
| US | 107.163.241.181:16300 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.182:12354 | tcp | |
| US | 107.163.241.182:12354 | tcp | |
| US | 107.163.43.144:12388 | 107.163.43.144 | tcp |
| US | 107.163.241.182:12354 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp | |
| US | 107.163.241.193:6520 | tcp |
Files
memory/3024-0-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3024-1-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3024-2-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3024-4-0x0000000000400000-0x000000000044901D-memory.dmp
\Users\Admin\AppData\Local\Temp\nstqd.exe
| MD5 | 93ac9f7b661580bfa3a10c2bca2296e7 |
| SHA1 | 559524bf1b3cb678b5807500a5c468fec4553b87 |
| SHA256 | 009fd81b2abf75f57ef463ed8c0658c3b24fa706b08762f37f995c666c2d5571 |
| SHA512 | a8704a9624c104744be96ebd9bb385d133a117e5a72a3da3c3fcca4fd69d4de289740582edced2b135ecd0e616c16304ad29ce42b6c277a300aa87a824b67d38 |
memory/2184-7-0x0000000000440000-0x000000000048A000-memory.dmp
memory/2184-9-0x0000000000440000-0x000000000048A000-memory.dmp
memory/2764-11-0x0000000000400000-0x000000000044901D-memory.dmp
memory/2764-12-0x0000000000400000-0x000000000044901D-memory.dmp
\Program Files\trkjgjvan\zcqij.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
memory/2764-20-0x0000000000400000-0x000000000044901D-memory.dmp
\??\c:\Program Files\trkjgjvan\zcqij.dll
| MD5 | 954464b2582ae900aefb768e20758a24 |
| SHA1 | bbe9ebe1dd4b355c58d49da47cbcca89cb3a03fe |
| SHA256 | 497cd69ab936342a17a8db64614abd27bd764cb8fb06b921c24de1eb5875864c |
| SHA512 | 8977267d8fd537675bb7cf7bf5fe94a9a536ae7f7adcd148bdc667bb6185c03657aed55bfa405fb25cc352d5d591e57db82f916f31d120429ac6a932e5a9662a |
memory/2704-27-0x0000000010000000-0x000000001004E000-memory.dmp
memory/2704-28-0x0000000010000000-0x000000001004E000-memory.dmp
memory/2704-31-0x0000000010000000-0x000000001004E000-memory.dmp