Analysis Overview
SHA256
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772
Threat Level: Known bad
The file 3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772 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
Unsigned PE
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-09 10:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 10:57
Reported
2024-05-09 11:00
Platform
win7-20240221-en
Max time kernel
151s
Max time network
155s
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 1084 set thread context of 2588 | 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
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\tmpCF21.tmp"
C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"
C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"
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/1084-0-0x000000007470E000-0x000000007470F000-memory.dmp
memory/1084-1-0x00000000002A0000-0x00000000003A6000-memory.dmp
memory/1084-2-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/1084-3-0x0000000001E20000-0x0000000001E40000-memory.dmp
memory/1084-4-0x0000000001E50000-0x0000000001E64000-memory.dmp
memory/1084-5-0x0000000005D60000-0x0000000005E20000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpCF21.tmp
| MD5 | 40da0e35842f475f5a5ab277fcbb7e2a |
| SHA1 | 2fdc04b65599e8ac6fd28ed40c389b03c138ffc8 |
| SHA256 | d24c9a2d5f89912cadd98be67b37b52b13de4f27a1da62a58a20c21cc03904e4 |
| SHA512 | b4b91c9359f90db5d572e05f4907b1ec74acc6297c15548326ce5f1089390908362b7b0fc4d336fae57dd7e206b53e4bf9217087a76e4d829b9d497119f193f1 |
memory/2588-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2588-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1084-36-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2588-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-43-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 7faee86bcca70c8e12b73b08ecefa626 |
| SHA1 | d05b76f8240eff36bdc647b6d1f4a42baf92e9f8 |
| SHA256 | 9b7e8b790123c1c0915c7ea0506a9d1acc46250f7c10ec28a75f991cb9c9b1e0 |
| SHA512 | 6374a8a7fe7046f81bb710fe4b37249f5c595507649491160693b8adc2639d279b7b4bb3f4162016f13851aa0b9f5abb8138ac745ddcffde6f315bcf56c12332 |
memory/2588-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-67-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-69-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2588-75-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 10:57
Reported
2024-05-09 11:00
Platform
win10v2004-20240226-en
Max time kernel
151s
Max time network
153s
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4848 set thread context of 4116 | 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
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\tmp8B91.tmp"
C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe
"C:\Users\Admin\AppData\Local\Temp\3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3952 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.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 | |
| US | 8.8.8.8:53 | 76.234.34.23.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 | |
| BE | 89.249.73.162:2479 | tcp | |
| US | 8.8.8.8:53 | 26.173.189.20.in-addr.arpa | udp |
Files
memory/4848-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp
memory/4848-1-0x0000000000B40000-0x0000000000C46000-memory.dmp
memory/4848-2-0x0000000005C00000-0x00000000061A4000-memory.dmp
memory/4848-3-0x0000000005650000-0x00000000056E2000-memory.dmp
memory/4848-4-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/4848-5-0x0000000005700000-0x000000000570A000-memory.dmp
memory/4848-6-0x0000000006EA0000-0x0000000006EC0000-memory.dmp
memory/4848-7-0x0000000006FC0000-0x0000000006FD4000-memory.dmp
memory/4848-8-0x0000000009A10000-0x0000000009AD0000-memory.dmp
memory/4848-9-0x0000000074C1E000-0x0000000074C1F000-memory.dmp
memory/4848-10-0x0000000008290000-0x000000000832C000-memory.dmp
memory/4848-14-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/4628-16-0x0000000004A00000-0x0000000004A36000-memory.dmp
memory/4628-17-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/4628-18-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/4628-19-0x0000000074C10000-0x00000000753C0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8B91.tmp
| MD5 | 37487cb02e325024c1b37a1aee05e457 |
| SHA1 | d9ce40abd54ab958ba2b48e22e6228d8f77e95e8 |
| SHA256 | 2f33599469bdf5108b4d66ddb516120791168c19f5902198205bc4f25afedad4 |
| SHA512 | 16252b4c98c47fedcbd71321a9b3a18f7e147b182fedb9ea5f1f4c36f070e7c9ff088da6e2b035d980ae13dc73c3edf31e8f79e7e38b49b9e90f7e7801b73cec |
memory/4116-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4628-21-0x0000000005070000-0x0000000005698000-memory.dmp
memory/4116-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4848-32-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/4628-33-0x0000000004FB0000-0x0000000004FD2000-memory.dmp
memory/4628-34-0x0000000005890000-0x00000000058F6000-memory.dmp
memory/4628-35-0x0000000005900000-0x0000000005966000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ss2nqkfx.prz.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4628-45-0x0000000005970000-0x0000000005CC4000-memory.dmp
memory/4628-46-0x0000000005F80000-0x0000000005F9E000-memory.dmp
memory/4628-47-0x0000000006520000-0x000000000656C000-memory.dmp
memory/4628-49-0x0000000006570000-0x00000000065A2000-memory.dmp
memory/4628-50-0x0000000071500000-0x000000007154C000-memory.dmp
memory/4628-60-0x0000000006500000-0x000000000651E000-memory.dmp
memory/4628-61-0x0000000007160000-0x0000000007203000-memory.dmp
memory/4628-62-0x00000000078D0000-0x0000000007F4A000-memory.dmp
memory/4628-63-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/4628-64-0x0000000007300000-0x000000000730A000-memory.dmp
memory/4628-65-0x00000000074F0000-0x0000000007586000-memory.dmp
memory/4628-66-0x00000000074B0000-0x00000000074C1000-memory.dmp
memory/4628-68-0x00000000074E0000-0x00000000074EE000-memory.dmp
memory/4628-69-0x0000000007590000-0x00000000075A4000-memory.dmp
memory/4628-70-0x00000000075E0000-0x00000000075FA000-memory.dmp
memory/4628-71-0x00000000075D0000-0x00000000075D8000-memory.dmp
memory/4628-74-0x0000000074C10000-0x00000000753C0000-memory.dmp
memory/4116-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-79-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 9eaeba20bb3fb5d53a5a08eff553016f |
| SHA1 | cd3f18a2ca20e5ea0362b0162a7a0b9515232fbf |
| SHA256 | b576db0009085c605def34cebbbdf012ee521e50bfa0cfb4495c769e1392cb5a |
| SHA512 | 495ab743fafe2caaf6e985dc22720274df164d9fdffcc508f15cde7d4af6ac68e714d41f1e24179871d2e64ffbf546912a9dd4c721042eb7f46b97dddce551e3 |
memory/4116-84-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-85-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-91-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-92-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-97-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-98-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4116-103-0x0000000000400000-0x0000000000482000-memory.dmp