Analysis Overview
SHA256
fef0bccaba1cf7fe16cd4c750e280e09ee68e95818fb3db648362dfaa47dc601
Threat Level: Known bad
The file tmpy6o_6f_o was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-14 08:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-14 08:15
Reported
2024-08-14 08:17
Platform
win7-20240704-en
Max time kernel
150s
Max time network
145s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\tmpy6o_6f_o = "C:\\Users\\Admin\\tmpy6o_6f_o.exe" | C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2304 set thread context of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\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\tmpy6o_6f_o.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe
"C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe"
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | eadzagba1.duckdns.org | udp |
| US | 198.46.178.133:4877 | eadzagba1.duckdns.org | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2276-4-0x000007FEF686E000-0x000007FEF686F000-memory.dmp
memory/2276-5-0x000000001B7E0000-0x000000001BAC2000-memory.dmp
memory/2276-6-0x00000000022C0000-0x00000000022C8000-memory.dmp
memory/2276-7-0x000007FEF65B0000-0x000007FEF6F4D000-memory.dmp
memory/2276-8-0x000007FEF65B0000-0x000007FEF6F4D000-memory.dmp
memory/2276-9-0x000007FEF65B0000-0x000007FEF6F4D000-memory.dmp
memory/2544-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2276-11-0x000007FEF65B0000-0x000007FEF6F4D000-memory.dmp
memory/2544-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-33-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-14 08:15
Reported
2024-08-14 08:17
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
137s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tmpy6o_6f_o = "C:\\Users\\Admin\\tmpy6o_6f_o.exe" | C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4896 set thread context of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\system32\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\tmpy6o_6f_o.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe
"C:\Users\Admin\AppData\Local\Temp\tmpy6o_6f_o.exe"
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | eadzagba1.duckdns.org | udp |
| US | 198.46.178.133:4877 | eadzagba1.duckdns.org | tcp |
| US | 8.8.8.8:53 | 133.178.46.198.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.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 |
Files
memory/1060-0-0x00007FFCA4033000-0x00007FFCA4035000-memory.dmp
memory/1060-1-0x00000299E50A0000-0x00000299E50C2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j4fggl2m.xcm.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1060-11-0x00007FFCA4030000-0x00007FFCA4AF1000-memory.dmp
memory/1060-12-0x00007FFCA4030000-0x00007FFCA4AF1000-memory.dmp
memory/2332-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1060-18-0x00007FFCA4030000-0x00007FFCA4AF1000-memory.dmp
memory/2332-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2332-38-0x0000000000400000-0x0000000000482000-memory.dmp