Analysis Overview
SHA256
f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2
Threat Level: Known bad
The file TSTS 0005A.bat was found to be: Known bad.
Malicious Activity Summary
Remcos
Checks computer location settings
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-05 09:58
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-05 09:58
Reported
2024-04-05 10:01
Platform
win7-20240319-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2396 set thread context of 2472 | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vcEDbAjawlTHE.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F6E.tmp"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sembe.duckdns.org | udp |
| BE | 194.187.251.115:14645 | sembe.duckdns.org | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2396-0-0x0000000000310000-0x00000000003F8000-memory.dmp
memory/2396-1-0x0000000074800000-0x0000000074EEE000-memory.dmp
memory/2396-2-0x0000000004CC0000-0x0000000004D00000-memory.dmp
memory/2396-3-0x0000000000530000-0x0000000000540000-memory.dmp
memory/2396-4-0x0000000000560000-0x000000000056C000-memory.dmp
memory/2396-5-0x0000000005400000-0x00000000054C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5F6E.tmp
| MD5 | d2f2e1acea8a64fd3811f2a279e26dd5 |
| SHA1 | a37db029a9bd58051ccb13862d74d97d62c42128 |
| SHA256 | 19c1ca1829277c41a9bc2ec1514e7660a860177552ab6becbf14ceb64550cef8 |
| SHA512 | ca58e782584a06b85d446c4d2c13fc7f1a7311f2074e0b3e722ebe98936d564f7b5eaad13cae7e5c39de3e81a4a752c7a3c3e4989889dcd3169555271f1d933d |
memory/2472-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2472-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2396-26-0x0000000074800000-0x0000000074EEE000-memory.dmp
memory/2472-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-31-0x000000006EC60000-0x000000006F20B000-memory.dmp
memory/2648-32-0x000000006EC60000-0x000000006F20B000-memory.dmp
memory/2648-34-0x0000000002720000-0x0000000002760000-memory.dmp
memory/2472-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-36-0x0000000002720000-0x0000000002760000-memory.dmp
memory/2472-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-42-0x000000006EC60000-0x000000006F20B000-memory.dmp
memory/2472-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-48-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Roaming\notess\logs.dat
| MD5 | b5162480a9ee1a48fab211a4c2209c56 |
| SHA1 | cd3274495aeaf6f6672dc304288d867f0313dc78 |
| SHA256 | 44fa6b3161ed34fcbc66a80c9a460fe207d4bb4459488428b7643ae332270fa0 |
| SHA512 | 8342969bced846750813a7e46b53dfa88e707742fc109b12e22e3c91b76946e85337a17d472078988439584be098f42f43039af5d9893d6cb5a0f13652bad040 |
memory/2472-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-64-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-72-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2472-73-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-05 09:58
Reported
2024-04-05 10:01
Platform
win10v2004-20240226-en
Max time kernel
157s
Max time network
158s
Command Line
Signatures
Remcos
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3492 set thread context of 3812 | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vcEDbAjawlTHE.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6A4.tmp"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sembe.duckdns.org | udp |
| BE | 194.187.251.115:14645 | sembe.duckdns.org | tcp |
| US | 8.8.8.8:53 | 115.251.187.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.211.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
memory/3492-0-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/3492-1-0x0000000000EC0000-0x0000000000FA8000-memory.dmp
memory/3492-2-0x0000000005F00000-0x00000000064A4000-memory.dmp
memory/3492-3-0x00000000059F0000-0x0000000005A82000-memory.dmp
memory/3492-4-0x00000000059D0000-0x00000000059E0000-memory.dmp
memory/3492-5-0x00000000059C0000-0x00000000059CA000-memory.dmp
memory/3492-6-0x0000000006C20000-0x0000000006C30000-memory.dmp
memory/3492-7-0x0000000006C40000-0x0000000006C4C000-memory.dmp
memory/3492-8-0x0000000007110000-0x00000000071D0000-memory.dmp
memory/3492-9-0x00000000097B0000-0x000000000984C000-memory.dmp
memory/3492-13-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/3492-14-0x00000000059D0000-0x00000000059E0000-memory.dmp
memory/2056-16-0x0000000004C90000-0x0000000004CC6000-memory.dmp
memory/2056-18-0x0000000074BD0000-0x0000000075380000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF6A4.tmp
| MD5 | b20c06883107d63b685d3c8db54f8130 |
| SHA1 | a02d767b8cdc3f6035a1435e50afd9f5177efc3f |
| SHA256 | c76e0d7649b4b824719a9fec959c6d8044cac6b521ebdaea4f4b7eaa1562bed6 |
| SHA512 | 6f16c83537e5fbc273a304a2d0f03b2cdcbff184f5168f7b884f9b9669b026b308fdc33b9af4f9c85e6d5d226d89c8bd8d6d2857417aca8249f1c3cf9b4cb510 |
memory/2056-19-0x0000000004DC0000-0x0000000004DD0000-memory.dmp
memory/2056-20-0x0000000004DC0000-0x0000000004DD0000-memory.dmp
memory/3812-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2056-21-0x0000000005400000-0x0000000005A28000-memory.dmp
memory/3812-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2056-30-0x0000000005AE0000-0x0000000005B02000-memory.dmp
memory/3812-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3492-26-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2056-37-0x0000000005B80000-0x0000000005BE6000-memory.dmp
memory/3812-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2056-39-0x0000000005BF0000-0x0000000005C56000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hmo2wrkp.h20.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2056-44-0x0000000005D90000-0x00000000060E4000-memory.dmp
memory/3812-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2056-46-0x0000000006210000-0x000000000622E000-memory.dmp
memory/3812-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2056-47-0x00000000067F0000-0x000000000683C000-memory.dmp
memory/3812-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2056-55-0x0000000004DC0000-0x0000000004DD0000-memory.dmp
memory/2056-56-0x0000000006860000-0x0000000006892000-memory.dmp
memory/2056-57-0x0000000071070000-0x00000000710BC000-memory.dmp
memory/2056-67-0x00000000067C0000-0x00000000067DE000-memory.dmp
memory/2056-68-0x0000000007280000-0x0000000007323000-memory.dmp
memory/2056-69-0x0000000007BD0000-0x000000000824A000-memory.dmp
memory/2056-70-0x0000000007590000-0x00000000075AA000-memory.dmp
memory/2056-71-0x0000000007600000-0x000000000760A000-memory.dmp
memory/2056-72-0x0000000007810000-0x00000000078A6000-memory.dmp
memory/2056-73-0x0000000007790000-0x00000000077A1000-memory.dmp
memory/2056-74-0x00000000077C0000-0x00000000077CE000-memory.dmp
memory/2056-75-0x00000000077D0000-0x00000000077E4000-memory.dmp
memory/2056-76-0x00000000078D0000-0x00000000078EA000-memory.dmp
memory/2056-77-0x00000000078B0000-0x00000000078B8000-memory.dmp
memory/2056-80-0x0000000074BD0000-0x0000000075380000-memory.dmp
C:\Users\Admin\AppData\Roaming\notess\logs.dat
| MD5 | a715fe5fe9ddec241ac1106b2bf75ea5 |
| SHA1 | 3a366df86ff827857d3c56e642120bf6b26605cd |
| SHA256 | 6b47caa2c7f8ac8d5373469bd4c6d6005a85f7630c1dee886c995b869687dbe8 |
| SHA512 | 8577ee0183514920d243a1f8ba402665148dc3024c341deaca0e9294930626a73230b628a017ee1a5b96591ef0e71766e28f717da18bf4923f2ab5a9725e05cd |
memory/3812-84-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-86-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3812-110-0x0000000000400000-0x0000000000482000-memory.dmp