Analysis Overview
SHA256
1ef86b1cfa7e45f6602e24a18e76d5e556f781abb0acf18f92eaca95bb53e25d
Threat Level: Known bad
The file winmod.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Deletes itself
Checks computer location settings
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Suspicious use of AdjustPrivilegeToken
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-16 21:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-16 21:53
Reported
2024-07-16 21:55
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\winmod.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe | N/A |
| N/A | N/A | C:\Windows\WindowsHealthChecker.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7799a186f618ba54cc458f7422abc774 = "\"C:\\Windows\\WindowsHealthChecker.exe\" .." | C:\Windows\WindowsHealthChecker.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7799a186f618ba54cc458f7422abc774 = "\"C:\\Windows\\WindowsHealthChecker.exe\" .." | C:\Windows\WindowsHealthChecker.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\WindowsHealthChecker.exe | C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\winmod.exe
"C:\Users\Admin\AppData\Local\Temp\winmod.exe"
C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fakecmd.bat" "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell
C:\Windows\WindowsHealthChecker.exe
"C:\Windows\WindowsHealthChecker.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp181C.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\WindowsHealthChecker.exe" "WindowsHealthChecker.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| FR | 88.168.211.65:6522 | tcp | |
| US | 8.8.8.8:53 | 65.211.168.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 38.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/4672-0-0x00007FFD15D23000-0x00007FFD15D25000-memory.dmp
memory/4672-1-0x0000000000F20000-0x0000000000F36000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe
| MD5 | b075f9e4015e2f43154b9903d9ec5fb5 |
| SHA1 | 0717b04115360a6d1d4451c90d0f6b0f781d249f |
| SHA256 | 103cb14f2460de6ef7c780becc87bac0599bdd0527e176c0ec87aad2397b57e6 |
| SHA512 | 4f71a17234a0078733bd61fa80bd3463341dda0c1ac31ac9c496efd528ecd8657cf206160d6b9205e4fab6aa3b10fdd8f1764bc574223c63a38213735fd3939b |
memory/4672-9-0x00007FFD15D20000-0x00007FFD167E1000-memory.dmp
memory/3996-14-0x0000000074F52000-0x0000000074F53000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\fakecmd.bat
| MD5 | f96d7ee1c050f915b080bd319564c817 |
| SHA1 | 6f095907e07e178f9063a01020caf2921d982c7a |
| SHA256 | 5d92d1af825219719e4009d70a50a63a8ed5e51e2faf79e2e83bc212e55cad21 |
| SHA512 | 69e2dbafd04bbae273c957bb6a2afbfc9910a45c3223a00e88975a42c24ee544458f51a43eb39cd12af15cc852779d3c8ede83331b0a159086bc849e69c031bd |
memory/3996-16-0x0000000074F50000-0x0000000075501000-memory.dmp
memory/3996-17-0x0000000074F50000-0x0000000075501000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pioput55.ncm.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1508-27-0x0000028273440000-0x0000028273462000-memory.dmp
memory/1508-28-0x00000282734C0000-0x0000028273504000-memory.dmp
memory/1508-29-0x0000028273900000-0x0000028273976000-memory.dmp
memory/3996-39-0x0000000074F50000-0x0000000075501000-memory.dmp
memory/4672-44-0x00007FFD15D20000-0x00007FFD167E1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp181C.tmp.bat
| MD5 | 827e53f756bece5a9c35951af8604859 |
| SHA1 | 0f8a15e53913932d76cd8b8ee2275b9a833427e7 |
| SHA256 | f7eaea6d2e4eb93af4d75123cc49d11a3372b28e87ad2dc8666eec88027c30b2 |
| SHA512 | 52c468fc37fd893b000e811c596e7b1803c70c6506334d3d9770c0d257a23fd2ee18b71507c2813dfc2d701f1605e86fe0089c318af0b71dcd7c2dc1b6b0db55 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-16 21:53
Reported
2024-07-16 21:55
Platform
win7-20240704-en
Max time kernel
150s
Max time network
138s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe | N/A |
| N/A | N/A | C:\Windows\WindowsHealthChecker.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\7799a186f618ba54cc458f7422abc774 = "\"C:\\Windows\\WindowsHealthChecker.exe\" .." | C:\Windows\WindowsHealthChecker.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7799a186f618ba54cc458f7422abc774 = "\"C:\\Windows\\WindowsHealthChecker.exe\" .." | C:\Windows\WindowsHealthChecker.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\WindowsHealthChecker.exe | C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\winmod.exe
"C:\Users\Admin\AppData\Local\Temp\winmod.exe"
C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe"
C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\fakecmd.bat" "
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell
C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp992.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Windows\WindowsHealthChecker.exe
"C:\Windows\WindowsHealthChecker.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\WindowsHealthChecker.exe" "WindowsHealthChecker.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| FR | 88.168.211.65:6522 | tcp |
Files
memory/708-0-0x000007FEF56C3000-0x000007FEF56C4000-memory.dmp
memory/708-1-0x0000000000CB0000-0x0000000000CC6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\fakecmd.bat
| MD5 | f96d7ee1c050f915b080bd319564c817 |
| SHA1 | 6f095907e07e178f9063a01020caf2921d982c7a |
| SHA256 | 5d92d1af825219719e4009d70a50a63a8ed5e51e2faf79e2e83bc212e55cad21 |
| SHA512 | 69e2dbafd04bbae273c957bb6a2afbfc9910a45c3223a00e88975a42c24ee544458f51a43eb39cd12af15cc852779d3c8ede83331b0a159086bc849e69c031bd |
C:\Users\Admin\AppData\Local\Temp\WindowsModificator.exe
| MD5 | b075f9e4015e2f43154b9903d9ec5fb5 |
| SHA1 | 0717b04115360a6d1d4451c90d0f6b0f781d249f |
| SHA256 | 103cb14f2460de6ef7c780becc87bac0599bdd0527e176c0ec87aad2397b57e6 |
| SHA512 | 4f71a17234a0078733bd61fa80bd3463341dda0c1ac31ac9c496efd528ecd8657cf206160d6b9205e4fab6aa3b10fdd8f1764bc574223c63a38213735fd3939b |
memory/708-16-0x000007FEF56C0000-0x000007FEF60AC000-memory.dmp
memory/2788-17-0x0000000073D81000-0x0000000073D82000-memory.dmp
memory/2788-23-0x0000000073D80000-0x000000007432B000-memory.dmp
memory/2788-24-0x0000000073D80000-0x000000007432B000-memory.dmp
memory/588-25-0x000000001B1D0000-0x000000001B4B2000-memory.dmp
memory/588-26-0x00000000025D0000-0x00000000025D8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp992.tmp.bat
| MD5 | 66e2dc088c54627b455fa48161635536 |
| SHA1 | 476ecd9d02469e336415845d3167acc8b6402a38 |
| SHA256 | 187b437cef8e17dc2476bcc36d8bfba07adc6be4efd75fb9b701722d80a67b89 |
| SHA512 | 18bc8481435ec33a4ac3aa9e5e69858d6f783776ff8dfb2b40d21f5daa84f0689fdbc114a0bf425b74e48567f1f870b8c832199f4857690755326a4540cf33d9 |
memory/708-35-0x000007FEF56C0000-0x000007FEF60AC000-memory.dmp
memory/2788-42-0x0000000073D80000-0x000000007432B000-memory.dmp