Analysis Overview
SHA256
14a3df7dce7912f61f40a0b29ee4f82d2a9c369cd9f294916ad317a7a3c4b77b
Threat Level: Known bad
The file 65df3c385d174f9e211757b25925be30 was found to be: Known bad.
Malicious Activity Summary
Ardamax main executable
Ardamax
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Checks installed software on the system
Adds Run key to start application
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-18 19:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-18 19:41
Reported
2024-01-18 19:45
Platform
win7-20231215-en
Max time kernel
190s
Max time network
157s
Command Line
Signatures
Ardamax
Ardamax main executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\telock.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\telock.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\telock.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\EXNL Agent = "C:\\Windows\\SysWOW64\\Sys32\\EXNL.exe" | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
Checks installed software on the system
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.009 | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Sys32\EXNL.009 | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.001 | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.006 | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.007 | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.exe | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\AKV.exe | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Sys32 | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe
"C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe"
C:\Windows\SysWOW64\Sys32\EXNL.exe
"C:\Windows\system32\Sys32\EXNL.exe"
C:\Users\Admin\AppData\Local\Temp\telock.exe
"C:\Users\Admin\AppData\Local\Temp\telock.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\@7520.tmp
| MD5 | 14c3321783fac66161b308d34c5b0eac |
| SHA1 | 021b4f77e27d6e0b032158936a752e27cdde09fa |
| SHA256 | 09e6cfa1698ed3cd3592fa4ed36eb970fa599cb86ce6975f5ef90dfbaf6a2f21 |
| SHA512 | 9ba6f2992164e7e98084e3c3b5a4cd231edeca22b784d01e5e98078ed19a1114ba9f837aa77ec3303bfcff6fa6a7a3b4588ee6e3a444eb35fc5e8c1d732825ad |
\Windows\SysWOW64\Sys32\EXNL.exe
| MD5 | 9c3ff825312190802dc56c7b0d0ccebd |
| SHA1 | 58e200c00382b3d13c81c9e829da065ed45f5928 |
| SHA256 | e55fbc08da9dc8bfb13b1d649e117540ee2c416a678eafa40e49088c2864dcc4 |
| SHA512 | 513f6e3ab1bc31d01c1730c04313a39df5f9a5e30db70699df0507fff4c82f36706a637d32f532985e551a5a835682ebdc077560fee2f9741cba7767a86b7968 |
C:\Windows\SysWOW64\Sys32\AKV.exe
| MD5 | 53a578b112aeb18c5993556d4440ade1 |
| SHA1 | e51f2fcc784def3cc5ff594edfee5e25f1e9818c |
| SHA256 | 9170ccd49c118818a83d6ec5264e58519a986671828a144b70d9f601afd29156 |
| SHA512 | 31357e35a4d31483951a7fbd0d774dffd880c8451e2410226dcfb8f8b1c24422febba81ae91aa2e5bb482bc0e662060f772417239e7e7a11c3c36ff8d716f352 |
C:\Windows\SysWOW64\Sys32\EXNL.007
| MD5 | 22e9e9b13c2c676bec39178311d55253 |
| SHA1 | da60379e518feeb798005065dcf626a74afe1848 |
| SHA256 | 3a77698cfcbbc40473f163c76838e6509c52bd6ffb97ba9d144ccd25ef5c7e14 |
| SHA512 | 1d3b7eb4dcaa969a49786f1f55caa731e2e82dc79896985d50aa225fd7071bef521a6d85f56ee249db518cf0fc4a53f942299328bf54862307f742d3a6ca3dcc |
C:\Windows\SysWOW64\Sys32\EXNL.006
| MD5 | 504f5a7e8447c65bc2218bb3d47c309b |
| SHA1 | 5d2d703cfa8b1c0fab1b13b01e2250e246e2eb44 |
| SHA256 | 81f383d6a9a90d1587af3f2903d9fd4ce4b4843aa285928ba731a3ee8f60c39f |
| SHA512 | b90427bc146e30a5db47aaea4d7ac559db679f64ce490eb2195106acbc3d266442d71a7c0b00762203010436ed86bc84ef59bc3269b7611f9a6b5025fc85190b |
C:\Windows\SysWOW64\Sys32\EXNL.001
| MD5 | 3070f8614d6f90cf41af99751b29bd12 |
| SHA1 | 41b71ee0b6f14a299853901c6108eabe6a02736f |
| SHA256 | bd316b9c54220d6af7ebc0a42c1aea09115a369b9f841e9e83ccfe8256aa3f41 |
| SHA512 | 379dc61aca4bad7aeb4c478a1c50f9c87aa3cd9915138235e23337614e40bac1f0d1754d4c05a48ea1388a89d341daa483a14ff435cbf64e42e05b7af1feba02 |
memory/2568-23-0x0000000000250000-0x0000000000251000-memory.dmp
\Users\Admin\AppData\Local\Temp\telock.exe
| MD5 | c4c3f834ab76c1cbc4cd318fab2373e3 |
| SHA1 | 8cc449dfafc02317fc06a460c20ae48b8350d114 |
| SHA256 | 5203aa4b6ad2d63fc8c7f6a05fb72b6ac75985ee8077820b47faa5a1b97c13c1 |
| SHA512 | ebefdeda797c67949f267fc6a158067a019689e14615329459ecee2ffc2914757850d409ceb1bdcf6a40dd6f92daa14d0f44c7bafeb902453aa9a96c7cd652bb |
memory/1712-38-0x0000000077D0F000-0x0000000077D10000-memory.dmp
memory/1712-39-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2568-40-0x0000000000250000-0x0000000000251000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-18 19:41
Reported
2024-01-18 19:44
Platform
win10v2004-20231222-en
Max time kernel
141s
Max time network
150s
Command Line
Signatures
Ardamax
Ardamax main executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\telock.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\telock.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\telock.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\telock.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\EXNL Agent = "C:\\Windows\\SysWOW64\\Sys32\\EXNL.exe" | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
Checks installed software on the system
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.006 | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.007 | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.exe | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\AKV.exe | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Sys32 | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.009 | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Sys32\EXNL.009 | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| File created | C:\Windows\SysWOW64\Sys32\EXNL.001 | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Sys32\EXNL.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4808 wrote to memory of 448 | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | C:\Windows\SysWOW64\Sys32\EXNL.exe |
| PID 4808 wrote to memory of 448 | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | C:\Windows\SysWOW64\Sys32\EXNL.exe |
| PID 4808 wrote to memory of 448 | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | C:\Windows\SysWOW64\Sys32\EXNL.exe |
| PID 4808 wrote to memory of 1876 | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | C:\Users\Admin\AppData\Local\Temp\telock.exe |
| PID 4808 wrote to memory of 1876 | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | C:\Users\Admin\AppData\Local\Temp\telock.exe |
| PID 4808 wrote to memory of 1876 | N/A | C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe | C:\Users\Admin\AppData\Local\Temp\telock.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe
"C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30.exe"
C:\Windows\SysWOW64\Sys32\EXNL.exe
"C:\Windows\system32\Sys32\EXNL.exe"
C:\Users\Admin\AppData\Local\Temp\telock.exe
"C:\Users\Admin\AppData\Local\Temp\telock.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\@4769.tmp
| MD5 | 14c3321783fac66161b308d34c5b0eac |
| SHA1 | 021b4f77e27d6e0b032158936a752e27cdde09fa |
| SHA256 | 09e6cfa1698ed3cd3592fa4ed36eb970fa599cb86ce6975f5ef90dfbaf6a2f21 |
| SHA512 | 9ba6f2992164e7e98084e3c3b5a4cd231edeca22b784d01e5e98078ed19a1114ba9f837aa77ec3303bfcff6fa6a7a3b4588ee6e3a444eb35fc5e8c1d732825ad |
C:\Windows\SysWOW64\Sys32\EXNL.exe
| MD5 | 9c3ff825312190802dc56c7b0d0ccebd |
| SHA1 | 58e200c00382b3d13c81c9e829da065ed45f5928 |
| SHA256 | e55fbc08da9dc8bfb13b1d649e117540ee2c416a678eafa40e49088c2864dcc4 |
| SHA512 | 513f6e3ab1bc31d01c1730c04313a39df5f9a5e30db70699df0507fff4c82f36706a637d32f532985e551a5a835682ebdc077560fee2f9741cba7767a86b7968 |
C:\Users\Admin\AppData\Local\Temp\telock.exe
| MD5 | c4c3f834ab76c1cbc4cd318fab2373e3 |
| SHA1 | 8cc449dfafc02317fc06a460c20ae48b8350d114 |
| SHA256 | 5203aa4b6ad2d63fc8c7f6a05fb72b6ac75985ee8077820b47faa5a1b97c13c1 |
| SHA512 | ebefdeda797c67949f267fc6a158067a019689e14615329459ecee2ffc2914757850d409ceb1bdcf6a40dd6f92daa14d0f44c7bafeb902453aa9a96c7cd652bb |
C:\Windows\SysWOW64\Sys32\EXNL.001
| MD5 | 3070f8614d6f90cf41af99751b29bd12 |
| SHA1 | 41b71ee0b6f14a299853901c6108eabe6a02736f |
| SHA256 | bd316b9c54220d6af7ebc0a42c1aea09115a369b9f841e9e83ccfe8256aa3f41 |
| SHA512 | 379dc61aca4bad7aeb4c478a1c50f9c87aa3cd9915138235e23337614e40bac1f0d1754d4c05a48ea1388a89d341daa483a14ff435cbf64e42e05b7af1feba02 |
C:\Windows\SysWOW64\Sys32\EXNL.007
| MD5 | 22e9e9b13c2c676bec39178311d55253 |
| SHA1 | da60379e518feeb798005065dcf626a74afe1848 |
| SHA256 | 3a77698cfcbbc40473f163c76838e6509c52bd6ffb97ba9d144ccd25ef5c7e14 |
| SHA512 | 1d3b7eb4dcaa969a49786f1f55caa731e2e82dc79896985d50aa225fd7071bef521a6d85f56ee249db518cf0fc4a53f942299328bf54862307f742d3a6ca3dcc |
C:\Windows\SysWOW64\Sys32\EXNL.006
| MD5 | 504f5a7e8447c65bc2218bb3d47c309b |
| SHA1 | 5d2d703cfa8b1c0fab1b13b01e2250e246e2eb44 |
| SHA256 | 81f383d6a9a90d1587af3f2903d9fd4ce4b4843aa285928ba731a3ee8f60c39f |
| SHA512 | b90427bc146e30a5db47aaea4d7ac559db679f64ce490eb2195106acbc3d266442d71a7c0b00762203010436ed86bc84ef59bc3269b7611f9a6b5025fc85190b |
C:\Windows\SysWOW64\Sys32\AKV.exe
| MD5 | 53a578b112aeb18c5993556d4440ade1 |
| SHA1 | e51f2fcc784def3cc5ff594edfee5e25f1e9818c |
| SHA256 | 9170ccd49c118818a83d6ec5264e58519a986671828a144b70d9f601afd29156 |
| SHA512 | 31357e35a4d31483951a7fbd0d774dffd880c8451e2410226dcfb8f8b1c24422febba81ae91aa2e5bb482bc0e662060f772417239e7e7a11c3c36ff8d716f352 |
memory/1876-34-0x0000000000400000-0x000000000042F000-memory.dmp
memory/448-35-0x0000000000600000-0x0000000000601000-memory.dmp
memory/1876-42-0x0000000000400000-0x000000000042F000-memory.dmp
memory/448-44-0x0000000000600000-0x0000000000601000-memory.dmp