Analysis Overview
SHA256
8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257
Threat Level: Known bad
The file 8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-18 18:14
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-18 18:14
Reported
2024-07-18 18:17
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
152s
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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-9A0PCB = "\"C:\\Users\\Admin\\AppData\\Roaming\\Intel22\\Intel22.exe\"" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2268 set thread context of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.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\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.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\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe
"C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.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\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe
"C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.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 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.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 |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.167.79.40.in-addr.arpa | udp |
Files
memory/2268-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp
memory/2268-1-0x0000000000F80000-0x000000000106E000-memory.dmp
memory/2268-2-0x0000000006010000-0x00000000065B4000-memory.dmp
memory/2268-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp
memory/2268-4-0x0000000005B10000-0x0000000005B1A000-memory.dmp
memory/2268-5-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/2268-6-0x00000000073C0000-0x00000000073DA000-memory.dmp
memory/2268-7-0x0000000006CC0000-0x0000000006CCE000-memory.dmp
memory/2268-8-0x0000000006E80000-0x0000000006F40000-memory.dmp
memory/2268-9-0x0000000009830000-0x00000000098CC000-memory.dmp
memory/1180-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1180-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1180-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1424-16-0x00000000027D0000-0x0000000002806000-memory.dmp
memory/2268-17-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/1424-21-0x0000000002810000-0x0000000002820000-memory.dmp
memory/1424-22-0x00000000052C0000-0x00000000058E8000-memory.dmp
memory/1424-20-0x0000000002810000-0x0000000002820000-memory.dmp
memory/1180-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1424-18-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/1424-23-0x0000000005140000-0x0000000005162000-memory.dmp
memory/1424-24-0x0000000005A60000-0x0000000005AC6000-memory.dmp
memory/1424-25-0x0000000005AD0000-0x0000000005B36000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_brtnjric.xoq.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1424-36-0x0000000005B40000-0x0000000005E94000-memory.dmp
C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe
| MD5 | 8fdf47e0ff70c40ed3a17014aeea4232 |
| SHA1 | e6256a0159688f0560b015da4d967f41cbf8c9bd |
| SHA256 | ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82 |
| SHA512 | bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be |
memory/1424-43-0x00000000060F0000-0x000000000610E000-memory.dmp
memory/1424-85-0x00000000061A0000-0x00000000061EC000-memory.dmp
memory/1180-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2676-97-0x00000000009A0000-0x00000000009E0000-memory.dmp
memory/2676-98-0x0000000002C10000-0x0000000002C2A000-memory.dmp
memory/2676-99-0x00000000053E0000-0x000000000553A000-memory.dmp
memory/1424-101-0x00000000066C0000-0x00000000066F2000-memory.dmp
memory/1424-102-0x000000006FD40000-0x000000006FD8C000-memory.dmp
memory/1424-112-0x0000000006700000-0x000000000671E000-memory.dmp
memory/1424-113-0x00000000072E0000-0x0000000007383000-memory.dmp
memory/1424-114-0x0000000007A60000-0x00000000080DA000-memory.dmp
memory/1424-115-0x0000000007420000-0x000000000743A000-memory.dmp
memory/1424-116-0x0000000007490000-0x000000000749A000-memory.dmp
memory/1424-117-0x00000000076A0000-0x0000000007736000-memory.dmp
memory/1424-118-0x0000000007620000-0x0000000007631000-memory.dmp
memory/1424-119-0x0000000007650000-0x000000000765E000-memory.dmp
memory/1424-120-0x0000000007660000-0x0000000007674000-memory.dmp
memory/1424-121-0x0000000007760000-0x000000000777A000-memory.dmp
memory/1424-122-0x0000000007740000-0x0000000007748000-memory.dmp
memory/1424-125-0x0000000074D50000-0x0000000075500000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-18 18:14
Reported
2024-07-18 18:17
Platform
win7-20240705-en
Max time kernel
121s
Max time network
122s
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-9A0PCB = "\"C:\\Users\\Admin\\AppData\\Roaming\\Intel22\\Intel22.exe\"" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2824 set thread context of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| 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 |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe
"C:\Users\Admin\AppData\Local\Temp\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.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\8efbf2d0d1691650090ab26cf93349a82665bd21b2b7d169bb65b02f973b0257.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe
"C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe"
Network
Files
memory/2824-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp
memory/2824-1-0x0000000000F40000-0x000000000102E000-memory.dmp
memory/2824-2-0x0000000074E70000-0x000000007555E000-memory.dmp
memory/2824-3-0x00000000009D0000-0x00000000009EA000-memory.dmp
memory/2824-4-0x0000000000690000-0x000000000069E000-memory.dmp
memory/2824-5-0x0000000004B40000-0x0000000004C00000-memory.dmp
memory/2860-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2860-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2860-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2824-23-0x0000000074E70000-0x000000007555E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Intel22\Intel22.exe
| MD5 | 9af17c8393f0970ee5136bd3ffa27001 |
| SHA1 | 4b285b72c1a11285a25f31f2597e090da6bbc049 |
| SHA256 | 71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019 |
| SHA512 | b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3 |
memory/1560-30-0x00000000008A0000-0x00000000008E0000-memory.dmp