Analysis Overview
SHA256
e1bd8014416249633ac7d3474adc18599e42ec6f443d100d299cb817634775a5
Threat Level: Likely malicious
The file b34206561c1c956fb55bf38933f192e5 was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Modifies file permissions
Unsigned PE
Enumerates physical storage devices
Delays execution with timeout.exe
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-04 22:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-04 22:29
Reported
2024-03-04 22:32
Platform
win7-20240221-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\472E.tmp\splash.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b34206561c1c956fb55bf38933f192e5.exe
"C:\Users\Admin\AppData\Local\Temp\b34206561c1c956fb55bf38933f192e5.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\472E.tmp\METRO.cmd" "
C:\Users\Admin\AppData\Local\Temp\472E.tmp\splash.exe
splash.exe
C:\Windows\SysWOW64\takeown.exe
takeown /a /f C:\Windows\System32\shsxs.dll
C:\Windows\SysWOW64\takeown.exe
takeown /a /f C:\Windows\SysWOW64\shsxs.dll
C:\Windows\SysWOW64\icacls.exe
ICACLS C:\Windows\System32\shsxs.dll /Grant Administrators:F
C:\Windows\SysWOW64\icacls.exe
ICACLS C:\Windows\SysWOW64\shsxs.dll /Grant Administrators:F
C:\Windows\SysWOW64\timeout.exe
timeout /t 1
C:\Windows\SysWOW64\timeout.exe
timeout /t 1
C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im TM.exe
C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im splash.exe
Network
Files
memory/2020-0-0x0000000000400000-0x000000000043A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\472E.tmp\METRO.cmd
| MD5 | 03e8fa1d35711b7d7addacebeea35d62 |
| SHA1 | 4656d99a9dd13a92e3649b25407817b3e6294156 |
| SHA256 | b5a16ed052749af003a8127dcd240d69d56df4f430152ea4b40d45c2ac60fea7 |
| SHA512 | 41eb2ac1a480b9b455516ec4b64090649ec7286ea156c876a0bb7a3c336554682d65f0ee15715ed30e9252d92b64e8cfb81f743e490aa7ea6792ad0627664041 |
C:\Users\Admin\AppData\Local\Temp\472E.tmp\splash.exe
| MD5 | da9657d72dd80a58aa108a3dbe381642 |
| SHA1 | ca350bd54782601b4faa32a3a8c0b93ad5abb6ee |
| SHA256 | 5e03f20b55f186ab0e22a7c3378399e90a89919fd12dc1410f90f83fbd002781 |
| SHA512 | e3185605eca861240577b85d5fbaa3e0e31b4495f43a858877d94c1118784f4b1fe49bcf3e4555ba64313153ef413cde62527f71986a869a1be283f63020991e |
memory/2648-21-0x0000000000260000-0x0000000000270000-memory.dmp
memory/2648-22-0x0000000072720000-0x0000000072E0E000-memory.dmp
memory/2648-23-0x0000000001EF0000-0x0000000001F30000-memory.dmp
memory/2484-34-0x0000000002270000-0x0000000002271000-memory.dmp
memory/2020-39-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2648-40-0x0000000072720000-0x0000000072E0E000-memory.dmp
memory/2648-41-0x0000000001EF0000-0x0000000001F30000-memory.dmp
memory/2484-42-0x0000000002270000-0x0000000002271000-memory.dmp
memory/2020-47-0x0000000000400000-0x000000000043A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-04 22:29
Reported
2024-03-04 22:32
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
140s
Command Line
Signatures
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b34206561c1c956fb55bf38933f192e5.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\splash.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\SysWOW64\takeown.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b34206561c1c956fb55bf38933f192e5.exe
"C:\Users\Admin\AppData\Local\Temp\b34206561c1c956fb55bf38933f192e5.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\METRO.cmd" "
C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\splash.exe
splash.exe
C:\Windows\SysWOW64\takeown.exe
takeown /a /f C:\Windows\System32\shsxs.dll
C:\Windows\SysWOW64\takeown.exe
takeown /a /f C:\Windows\SysWOW64\shsxs.dll
C:\Windows\SysWOW64\icacls.exe
ICACLS C:\Windows\System32\shsxs.dll /Grant Administrators:F
C:\Windows\SysWOW64\icacls.exe
ICACLS C:\Windows\SysWOW64\shsxs.dll /Grant Administrators:F
C:\Windows\SysWOW64\timeout.exe
timeout /t 1
C:\Windows\SysWOW64\timeout.exe
timeout /t 1
C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im TM.exe
C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im splash.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.178.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 162.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| 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 | 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 |
Files
memory/2760-0-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2760-1-0x0000000000400000-0x000000000043A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\METRO.cmd
| MD5 | 03e8fa1d35711b7d7addacebeea35d62 |
| SHA1 | 4656d99a9dd13a92e3649b25407817b3e6294156 |
| SHA256 | b5a16ed052749af003a8127dcd240d69d56df4f430152ea4b40d45c2ac60fea7 |
| SHA512 | 41eb2ac1a480b9b455516ec4b64090649ec7286ea156c876a0bb7a3c336554682d65f0ee15715ed30e9252d92b64e8cfb81f743e490aa7ea6792ad0627664041 |
C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\splash.exe
| MD5 | da9657d72dd80a58aa108a3dbe381642 |
| SHA1 | ca350bd54782601b4faa32a3a8c0b93ad5abb6ee |
| SHA256 | 5e03f20b55f186ab0e22a7c3378399e90a89919fd12dc1410f90f83fbd002781 |
| SHA512 | e3185605eca861240577b85d5fbaa3e0e31b4495f43a858877d94c1118784f4b1fe49bcf3e4555ba64313153ef413cde62527f71986a869a1be283f63020991e |
memory/3096-11-0x0000000000D40000-0x0000000000D50000-memory.dmp
memory/3096-13-0x0000000073980000-0x0000000074130000-memory.dmp
memory/3096-12-0x0000000005740000-0x00000000057DC000-memory.dmp
memory/3096-14-0x0000000005D90000-0x0000000006334000-memory.dmp
memory/3096-15-0x0000000005880000-0x0000000005912000-memory.dmp
memory/3096-16-0x0000000005A00000-0x0000000005A10000-memory.dmp
memory/3096-17-0x00000000057E0000-0x00000000057EA000-memory.dmp
memory/3096-18-0x0000000005920000-0x0000000005976000-memory.dmp
memory/2760-19-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3096-20-0x0000000073980000-0x0000000074130000-memory.dmp
memory/2760-21-0x0000000000400000-0x000000000043A000-memory.dmp