Analysis Overview
SHA256
322c8e0ba72b41a9ee9ebdeeb1b1d71cefd9ed9674e285efed105c0918834b24
Threat Level: Known bad
The file Facturas_pdf.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-13 12:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-13 12:04
Reported
2024-08-13 12:07
Platform
win7-20240729-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| 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 |
Uses the VBS compiler for execution
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Scheduled Task/Job: Scheduled Task
| 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\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.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\Facturas_pdf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.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\kkUfsLDbd.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kkUfsLDbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5734.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
Network
Files
memory/2412-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp
memory/2412-1-0x0000000000140000-0x000000000022A000-memory.dmp
memory/2412-2-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2412-3-0x0000000000720000-0x000000000073E000-memory.dmp
memory/2412-4-0x0000000000740000-0x0000000000756000-memory.dmp
memory/2412-5-0x0000000004EF0000-0x0000000004FB0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5734.tmp
| MD5 | 76ec7683ca617e5ee72a45b6715cfb6e |
| SHA1 | 077f4ac8602dc52304533570e3439281255891fd |
| SHA256 | 67e56c89ac65c4b4eaa20ad0967f008d359921769be381bb84eae5a4ffd6071d |
| SHA512 | 7cab244872c07b0561d81c99a350f92bf31609b8e7a5a091c8b938e546e2371dd948ca96a89e1912f1ae2b43fdc3caa178a860b2bd46aedfd6b280841cf7b546 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
| MD5 | 8cbd89b9b6ca7de0f1c28623dc0b47d9 |
| SHA1 | a1af23e26c7f2076cf032daefaed6f618e7ccbb3 |
| SHA256 | 5bdbb6778cdef5d10de24f84d5046c36570115b30ceda502ebd09344fadab753 |
| SHA512 | 99625e95a21d52bd32898619422da7ac4e6ddb77072397c3a3925d1b99b5fbe15f8aaa5a6d3348e7cff7e06cecb03a3dea00fd90b87990d074117f5dacce4527 |
memory/2412-18-0x0000000074D70000-0x000000007545E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-13 12:04
Reported
2024-08-13 12:07
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2340 set thread context of 212 | N/A | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Scheduled Task/Job: Scheduled Task
| 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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.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 |
| 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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.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:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.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\kkUfsLDbd.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kkUfsLDbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB49A.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 192.3.243.155:7643 | tcp | |
| US | 8.8.8.8:53 | 155.243.3.192.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 | 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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/2340-0-0x0000000074FAE000-0x0000000074FAF000-memory.dmp
memory/2340-1-0x0000000000EB0000-0x0000000000F9A000-memory.dmp
memory/2340-2-0x0000000005E40000-0x00000000063E4000-memory.dmp
memory/2340-3-0x0000000005980000-0x0000000005A12000-memory.dmp
memory/2340-5-0x0000000005A40000-0x0000000005A4A000-memory.dmp
memory/2340-4-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/2340-6-0x0000000005D90000-0x0000000005DAE000-memory.dmp
memory/2340-7-0x0000000005DB0000-0x0000000005DC6000-memory.dmp
memory/2340-8-0x0000000009290000-0x0000000009350000-memory.dmp
memory/2340-9-0x000000000C3F0000-0x000000000C48C000-memory.dmp
memory/3436-14-0x0000000002480000-0x00000000024B6000-memory.dmp
memory/3436-15-0x0000000004F50000-0x0000000005578000-memory.dmp
memory/3436-16-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/3436-17-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/3436-18-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/4184-20-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/4184-21-0x0000000074FA0000-0x0000000075750000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpB49A.tmp
| MD5 | 2a9c0b15b25ea666bc995d14a2d0d8f6 |
| SHA1 | f44a7c92f75edc17a38432a716ff455b35491895 |
| SHA256 | ba4d317467ec8967ed2479fa04ce8755923690705467b1441f0997f82739becd |
| SHA512 | fb7f3bb03973b7679a25f8a2719ec0935a9d14332dee6fee143a4c78d88640855d6e35a5777a720afc76545507443983acfa5c04bcc80d941ca8e761def1ae09 |
memory/4184-26-0x0000000005D90000-0x0000000005DF6000-memory.dmp
memory/212-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3436-36-0x0000000005730000-0x0000000005A84000-memory.dmp
memory/2340-42-0x0000000074FA0000-0x0000000075750000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ezktwhds.txg.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2340-34-0x0000000074FAE000-0x0000000074FAF000-memory.dmp
memory/212-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4184-25-0x0000000005530000-0x0000000005596000-memory.dmp
memory/212-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4184-56-0x00000000064F0000-0x000000000650E000-memory.dmp
memory/4184-57-0x0000000006A20000-0x0000000006A6C000-memory.dmp
memory/212-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4184-23-0x0000000005410000-0x0000000005432000-memory.dmp
memory/212-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3436-64-0x0000000075820000-0x000000007586C000-memory.dmp
memory/3436-75-0x0000000006F20000-0x0000000006FC3000-memory.dmp
memory/3436-74-0x0000000006EB0000-0x0000000006ECE000-memory.dmp
memory/3436-63-0x0000000006ED0000-0x0000000006F02000-memory.dmp
memory/3436-77-0x0000000007070000-0x000000000708A000-memory.dmp
memory/4184-78-0x0000000075820000-0x000000007586C000-memory.dmp
memory/3436-76-0x00000000076C0000-0x0000000007D3A000-memory.dmp
memory/3436-88-0x00000000070E0000-0x00000000070EA000-memory.dmp
memory/3436-89-0x00000000072F0000-0x0000000007386000-memory.dmp
memory/3436-90-0x0000000007270000-0x0000000007281000-memory.dmp
memory/3436-91-0x00000000072A0000-0x00000000072AE000-memory.dmp
memory/4184-92-0x0000000007A50000-0x0000000007A64000-memory.dmp
memory/4184-93-0x0000000007B50000-0x0000000007B6A000-memory.dmp
memory/4184-94-0x0000000007B30000-0x0000000007B38000-memory.dmp
memory/3436-97-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/4184-98-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/212-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-100-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 2e4fa6e8883484ec864af0f02bf698bf |
| SHA1 | 8fca08e1a778f3063b6456c89e73ab903f49ab47 |
| SHA256 | 6701e49fe7e687db4e9fabb6ec1603908872e27f9107d94743ac226e5a2ef6d0 |
| SHA512 | cc5174f7d27baaff45d02610298f48f1f8a5f6e174476e28c9387ffa3cecc56d47ced11190814fe00c7a762641ca684c6da82eaa5288e56778cdb6fdfea8e44b |
memory/212-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-125-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-133-0x0000000000400000-0x0000000000482000-memory.dmp
memory/212-134-0x0000000000400000-0x0000000000482000-memory.dmp