Analysis Overview
SHA256
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772
Threat Level: Known bad
The file 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 08:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 08:44
Reported
2024-05-10 08:46
Platform
win7-20240508-en
Max time kernel
147s
Max time network
147s
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2984 set thread context of 2940 | N/A | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\siRiSxOKgeg.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\siRiSxOKgeg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp49DC.tmp"
C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"
Network
| Country | Destination | Domain | Proto |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp |
Files
memory/2984-0-0x000000007419E000-0x000000007419F000-memory.dmp
memory/2984-1-0x0000000000B00000-0x0000000000C06000-memory.dmp
memory/2984-2-0x0000000074190000-0x000000007487E000-memory.dmp
memory/2984-3-0x00000000004B0000-0x00000000004D0000-memory.dmp
memory/2984-4-0x0000000000560000-0x0000000000574000-memory.dmp
memory/2984-5-0x0000000005E10000-0x0000000005ED0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp49DC.tmp
| MD5 | de09b78c1aefe7986432c97b6119ec9a |
| SHA1 | 0f7e68633fe032e32d81fa6f1e4d7998f370fe57 |
| SHA256 | c122723c7f647de624e6ab85acd688ee80f2351a659db24c2505c7d693c303e6 |
| SHA512 | a6e0948ec5c1e2a6f80d31a6adbed1c67e4d9dbadf55cebf28383bcf8f4ab18562f7b5cc513cec738288d0396aa498d616b232c9ae62f9a2050cdeae92ea2503 |
memory/2940-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2940-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2984-37-0x0000000074190000-0x000000007487E000-memory.dmp
memory/2940-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-43-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | f504ccdb3d50f096cd1cf90cb286ea9f |
| SHA1 | 0268e33e30172bcc1fe96532f66c2f565a2628e4 |
| SHA256 | 2b81a07d3597c4ab7e9d1580c3b53619d63388afaecebb8a9add2f645915cc7a |
| SHA512 | cabc12096868474612b8c27afa9c9ecc016d92214160cf29543759041a256da92cff98b0bc6e113c255c951702e425ed16746b620aec3df80b209a91f7dcbf9a |
memory/2940-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-67-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-68-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2940-75-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 08:44
Reported
2024-05-10 08:46
Platform
win10v2004-20240426-en
Max time kernel
147s
Max time network
151s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4908 set thread context of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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\siRiSxOKgeg.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\siRiSxOKgeg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp615A.tmp"
C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.192:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| NL | 23.62.61.192:443 | www.bing.com | tcp |
| BE | 89.249.73.162:2479 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.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 |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp | |
| BE | 89.249.73.162:2479 | tcp |
Files
memory/4908-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp
memory/4908-1-0x0000000000250000-0x0000000000356000-memory.dmp
memory/4908-2-0x00000000051F0000-0x0000000005794000-memory.dmp
memory/4908-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp
memory/4908-4-0x0000000004F10000-0x0000000004F1A000-memory.dmp
memory/4908-5-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/4908-6-0x0000000005EC0000-0x0000000005EE0000-memory.dmp
memory/4908-7-0x0000000005FE0000-0x0000000005FF4000-memory.dmp
memory/4908-8-0x0000000008D90000-0x0000000008E50000-memory.dmp
memory/4908-9-0x000000000BE50000-0x000000000BEEC000-memory.dmp
memory/1452-14-0x0000000002720000-0x0000000002756000-memory.dmp
memory/1452-15-0x0000000005150000-0x0000000005778000-memory.dmp
memory/1452-16-0x0000000074E10000-0x00000000755C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp615A.tmp
| MD5 | 509fd70b506215d5d397fae877b8190e |
| SHA1 | e83732683acd7cb4f3f934615853e601b608a68d |
| SHA256 | bf1e5f38ac01f680dc41ef978ed1a868ae1a86c76d9893cbfaf4844c1601add1 |
| SHA512 | c4ce5e346b2b89e770ab164746c14d59c328fb04fc6562e7fd5536468fe6127c37d000c0db3f0fdc12f303df512227bbe4703faaf92764008b9560b5ca1fcb0c |
memory/1452-18-0x0000000005070000-0x0000000005092000-memory.dmp
memory/1452-20-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/1452-19-0x0000000005970000-0x00000000059D6000-memory.dmp
memory/1452-22-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/2328-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-31-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yardjhzs.vpx.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1452-25-0x0000000005A50000-0x0000000005DA4000-memory.dmp
memory/2328-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1452-21-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/2328-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4908-43-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/2328-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1452-44-0x0000000006040000-0x000000000605E000-memory.dmp
memory/1452-45-0x0000000006110000-0x000000000615C000-memory.dmp
memory/1452-47-0x00000000756A0000-0x00000000756EC000-memory.dmp
memory/1452-46-0x0000000006FE0000-0x0000000007012000-memory.dmp
memory/1452-57-0x0000000006FA0000-0x0000000006FBE000-memory.dmp
memory/1452-58-0x0000000007220000-0x00000000072C3000-memory.dmp
memory/1452-59-0x00000000079A0000-0x000000000801A000-memory.dmp
memory/1452-60-0x0000000007360000-0x000000000737A000-memory.dmp
memory/1452-61-0x00000000073D0000-0x00000000073DA000-memory.dmp
memory/1452-62-0x00000000075E0000-0x0000000007676000-memory.dmp
memory/1452-63-0x0000000007560000-0x0000000007571000-memory.dmp
memory/1452-64-0x0000000007590000-0x000000000759E000-memory.dmp
memory/1452-65-0x00000000075A0000-0x00000000075B4000-memory.dmp
memory/1452-66-0x00000000076A0000-0x00000000076BA000-memory.dmp
memory/1452-67-0x0000000007680000-0x0000000007688000-memory.dmp
memory/1452-70-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/2328-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-76-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | b8f6111fa4ba009e4beaf8cfc065c5a5 |
| SHA1 | 58f1ec327afaf5916abac8c7c63faa17d57262d7 |
| SHA256 | b933d907b57578db8f26ba570616e7f0d4b7bf5f05c41d43a7634258c41de99e |
| SHA512 | cd756b92d2a3a6345117d380a02b8d034d674cc3f96a1c696b6734f6b4c5eab1e73f743b82d67d3f746c728ea6b88731af5c3240325a7041826eb3d6fc0d35f4 |
memory/2328-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-89-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-100-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2328-108-0x0000000000400000-0x0000000000482000-memory.dmp