Analysis Overview
SHA256
b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244
Threat Level: Known bad
The file b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-14 13:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-14 13:41
Reported
2024-08-14 13:44
Platform
win7-20240705-en
Max time kernel
148s
Max time network
141s
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2036 set thread context of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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\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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe
"C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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\NUKXaCFNwRYYxi.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NUKXaCFNwRYYxi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DCD.tmp"
C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe
"C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe"
Network
| Country | Destination | Domain | Proto |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp |
Files
memory/2036-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp
memory/2036-1-0x0000000000900000-0x0000000000A10000-memory.dmp
memory/2036-2-0x0000000074A70000-0x000000007515E000-memory.dmp
memory/2036-3-0x0000000004160000-0x000000000417E000-memory.dmp
memory/2036-4-0x0000000000460000-0x0000000000476000-memory.dmp
memory/2036-5-0x00000000054E0000-0x000000000559E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6CSKF0D9YJL67OVEN4MV.temp
| MD5 | 00420c02e72844b90eca2ffe4a10f1b7 |
| SHA1 | 7c04ee1d0e24d78f0c887add53d6b10f43dc95f4 |
| SHA256 | 285908b93d5a3fa19218d506cc7604f19ca09b9b7273b1826cf3c159409c16ed |
| SHA512 | 69e66a179ac23ab0bf738bd6a9d6756a2eb786ecb4146f0680139fcb08a1de05bbfa90bf482d9b5cb4fa4756af2e467c5042eb1c8364e0d0ef5c8be030a76e9e |
C:\Users\Admin\AppData\Local\Temp\tmp1DCD.tmp
| MD5 | 47861485ee855d36931f829c2bc59c4e |
| SHA1 | f90dbf8d07a9f964a49602cd366f248ee4440c94 |
| SHA256 | 69a82611087d5188ecebebf13609e26ed984ea88c5656bf5b482204313808efd |
| SHA512 | d4352a9df9148704b4032db064feeb81e5bd0c00eb4efe9e787fbb86c98f87fb45e9a0a2753d1596f1225937856e711f826e3aeace482b5cbc33a41b3ec68785 |
memory/2900-32-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-18-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2900-30-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2036-39-0x0000000074A70000-0x000000007515E000-memory.dmp
memory/2900-40-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-41-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-42-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-47-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-48-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2900-49-0x0000000000400000-0x000000000047F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-14 13:41
Reported
2024-08-14 13:44
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
149s
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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 464 set thread context of 4000 | N/A | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe
"C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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\NUKXaCFNwRYYxi.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NUKXaCFNwRYYxi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF79E.tmp"
C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.exe
"C:\Users\Admin\AppData\Local\Temp\b778e6e8c6b8265fff7a08768f5f1364ad81c68184902032589eb1e4b67df244.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| FI | 65.21.66.222:9821 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.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 | 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 |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp | |
| FI | 65.21.66.222:9821 | tcp |
Files
memory/464-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp
memory/464-1-0x0000000000980000-0x0000000000A90000-memory.dmp
memory/464-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp
memory/464-3-0x00000000054F0000-0x0000000005582000-memory.dmp
memory/464-4-0x0000000005470000-0x000000000547A000-memory.dmp
memory/464-5-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/464-6-0x0000000005790000-0x00000000057AE000-memory.dmp
memory/464-7-0x00000000059F0000-0x0000000005A06000-memory.dmp
memory/464-8-0x0000000008E00000-0x0000000008EBE000-memory.dmp
memory/464-9-0x000000000BF60000-0x000000000BFFC000-memory.dmp
memory/3248-16-0x0000000005940000-0x0000000005F68000-memory.dmp
memory/464-15-0x0000000074BEE000-0x0000000074BEF000-memory.dmp
memory/3248-14-0x0000000002E30000-0x0000000002E66000-memory.dmp
memory/3248-17-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3248-18-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3248-19-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3216-20-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/464-25-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3248-23-0x0000000005FE0000-0x0000000006046000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vswpt51q.3fw.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3216-26-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3248-44-0x00000000060F0000-0x0000000006444000-memory.dmp
memory/3248-22-0x0000000005F70000-0x0000000005FD6000-memory.dmp
memory/4000-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-47-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-49-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-48-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF79E.tmp
| MD5 | 6edcb9ba98907cee4bad83650559828b |
| SHA1 | de12c581a1b1ab34b1a54f6686ea71f8d5b9f39b |
| SHA256 | df9dda5123454b685480ee01712d5073f97411543c4ba887b261b4e552c0c482 |
| SHA512 | 727f370268783a6c2d2444147809aeb50628bcc59de6915c8a06af6a770b7089e16c526021309a537c103022dfd756690b2a7f7c117b7b9115f36b9c77cdc2e9 |
memory/3248-21-0x0000000005870000-0x0000000005892000-memory.dmp
memory/464-51-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3248-52-0x0000000006740000-0x000000000675E000-memory.dmp
memory/3248-53-0x0000000006CE0000-0x0000000006D2C000-memory.dmp
memory/3216-55-0x0000000075490000-0x00000000754DC000-memory.dmp
memory/3216-65-0x0000000007330000-0x000000000734E000-memory.dmp
memory/3248-66-0x0000000075490000-0x00000000754DC000-memory.dmp
memory/3216-54-0x0000000007350000-0x0000000007382000-memory.dmp
memory/3216-76-0x00000000073A0000-0x0000000007443000-memory.dmp
memory/3248-77-0x00000000080A0000-0x000000000871A000-memory.dmp
memory/3248-78-0x0000000007A60000-0x0000000007A7A000-memory.dmp
memory/3216-79-0x0000000007770000-0x000000000777A000-memory.dmp
memory/3248-80-0x0000000007CE0000-0x0000000007D76000-memory.dmp
memory/3216-81-0x0000000007900000-0x0000000007911000-memory.dmp
memory/3248-82-0x0000000007C90000-0x0000000007C9E000-memory.dmp
memory/3216-83-0x0000000007940000-0x0000000007954000-memory.dmp
memory/3248-84-0x0000000007DA0000-0x0000000007DBA000-memory.dmp
memory/3248-85-0x0000000007D80000-0x0000000007D88000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 6a85bf8144d1cbae92d8214eeee16b45 |
| SHA1 | bf22e522a8851e133852f48e0f5646afbca0ac94 |
| SHA256 | c83b4dbb48feb1b49e0876fb002d6018c83038f9ca02451c40ad638f75b195e1 |
| SHA512 | 6a0a552617c25100102913da7f2609f4f67bb5867c23ab2d11989b90d8283bf2d86b6a8116f1f918f9138db12e72a47583d314eb2221f01a2b6fe1e4b69a0ad6 |
memory/3216-92-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/3248-91-0x0000000074BE0000-0x0000000075390000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
| MD5 | 968cb9309758126772781b83adb8a28f |
| SHA1 | 8da30e71accf186b2ba11da1797cf67f8f78b47c |
| SHA256 | 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a |
| SHA512 | 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3 |
memory/4000-93-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-94-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-95-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-96-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-97-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-98-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-102-0x0000000000400000-0x000000000047F000-memory.dmp