Analysis Overview
SHA256
e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f
Threat Level: Known bad
The file e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Detects executables packed with SmartAssembly
Uses the VBS compiler for execution
Checks computer location settings
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-26 03:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-26 03:02
Reported
2024-03-26 03:04
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables packed with SmartAssembly
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.exe | N/A |
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1640 set thread context of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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 behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.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\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.exe
"C:\Users\Admin\AppData\Local\Temp\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.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\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.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\UlvywtFnmZtH.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UlvywtFnmZtH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EE9.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 | 17.160.190.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| NL | 91.92.247.97:2505 | tcp | |
| US | 8.8.8.8:53 | 97.247.92.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.247.97:2505 | tcp | |
| 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 |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | 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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.247.97:2505 | tcp |
Files
memory/1640-0-0x0000000075380000-0x0000000075B30000-memory.dmp
memory/1640-1-0x0000000000520000-0x0000000000616000-memory.dmp
memory/1640-2-0x00000000055B0000-0x0000000005B54000-memory.dmp
memory/1640-3-0x00000000050A0000-0x0000000005132000-memory.dmp
memory/1640-4-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
memory/1640-5-0x0000000005020000-0x000000000502A000-memory.dmp
memory/1640-6-0x0000000005360000-0x00000000053FC000-memory.dmp
memory/1640-7-0x0000000005290000-0x00000000052A2000-memory.dmp
memory/1640-8-0x0000000005340000-0x000000000534C000-memory.dmp
memory/1640-9-0x00000000065E0000-0x00000000066A0000-memory.dmp
memory/1448-14-0x0000000004B90000-0x0000000004BC6000-memory.dmp
memory/1448-16-0x0000000004C40000-0x0000000004C50000-memory.dmp
memory/1448-15-0x0000000075380000-0x0000000075B30000-memory.dmp
memory/1448-17-0x0000000005280000-0x00000000058A8000-memory.dmp
memory/1448-18-0x0000000004C40000-0x0000000004C50000-memory.dmp
memory/1344-21-0x00000000027E0000-0x00000000027F0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5EE9.tmp
| MD5 | 5a00f1a1722a433331edc591ffbb04e9 |
| SHA1 | 2f97922ccd935cf7a4a0607a422b8aa2bc9f7462 |
| SHA256 | b28a6bef9c909be8b106c732a96a5ef80ff51da4949e7185ef9ec4d8e0967e78 |
| SHA512 | c6af511b36323cce1ff309aeeae0383630c837edd7d2f86bb937f7fe95d49294db6e0cfce2c29e59afe32b5298f1b382251166b8ad5887dbccba17eec9bd3874 |
memory/1344-19-0x0000000075380000-0x0000000075B30000-memory.dmp
memory/1448-22-0x0000000005180000-0x00000000051A2000-memory.dmp
memory/1448-23-0x00000000059B0000-0x0000000005A16000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_czlqlnqj.mxi.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1344-30-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/1448-43-0x0000000005D60000-0x00000000060B4000-memory.dmp
memory/2428-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-48-0x0000000075380000-0x0000000075B30000-memory.dmp
memory/2428-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1344-54-0x0000000005F50000-0x0000000005F6E000-memory.dmp
memory/1344-55-0x0000000005F80000-0x0000000005FCC000-memory.dmp
memory/1344-57-0x000000007EFD0000-0x000000007EFE0000-memory.dmp
memory/1344-56-0x0000000006510000-0x0000000006542000-memory.dmp
memory/1344-58-0x0000000073E50000-0x0000000073E9C000-memory.dmp
memory/1448-60-0x0000000073E50000-0x0000000073E9C000-memory.dmp
memory/1448-59-0x000000007F240000-0x000000007F250000-memory.dmp
memory/1448-80-0x0000000004C40000-0x0000000004C50000-memory.dmp
memory/1448-82-0x0000000007350000-0x00000000073F3000-memory.dmp
memory/1344-83-0x00000000027E0000-0x00000000027F0000-memory.dmp
memory/1448-79-0x0000000004C40000-0x0000000004C50000-memory.dmp
memory/1344-77-0x00000000064F0000-0x000000000650E000-memory.dmp
memory/1344-85-0x0000000007270000-0x000000000728A000-memory.dmp
memory/1448-84-0x0000000007AC0000-0x000000000813A000-memory.dmp
memory/1344-86-0x00000000072E0000-0x00000000072EA000-memory.dmp
memory/1448-87-0x0000000007700000-0x0000000007796000-memory.dmp
memory/1344-88-0x0000000007470000-0x0000000007481000-memory.dmp
memory/1448-89-0x00000000076B0000-0x00000000076BE000-memory.dmp
memory/1448-90-0x00000000076C0000-0x00000000076D4000-memory.dmp
memory/1344-91-0x00000000075B0000-0x00000000075CA000-memory.dmp
memory/1344-92-0x0000000007590000-0x0000000007598000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 7008c6a36730ded79c6aeda9f61c627e |
| SHA1 | fda4203e62ca898bf769689722c32b0fba670736 |
| SHA256 | df9acd7fb4fb83744a9b9274ceebc0b330fe954861bbf87128f6507fe8aac8d7 |
| SHA512 | a4637baa1581336964827387323044bfb3fd78e69eb8cfc64a8d61d9ab69c815520a845be672a40f5bab10aac4f9d01ef9029db6501b0dd2ba5b813627523f04 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
| MD5 | 968cb9309758126772781b83adb8a28f |
| SHA1 | 8da30e71accf186b2ba11da1797cf67f8f78b47c |
| SHA256 | 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a |
| SHA512 | 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3 |
memory/1448-98-0x0000000075380000-0x0000000075B30000-memory.dmp
memory/1344-99-0x0000000075380000-0x0000000075B30000-memory.dmp
memory/2428-100-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2428-104-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-26 03:02
Reported
2024-03-26 03:04
Platform
win7-20240221-en
Max time kernel
151s
Max time network
158s
Command Line
Signatures
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables packed with SmartAssembly
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2692 set thread context of 2300 | N/A | C:\Users\Admin\AppData\Local\Temp\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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 behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.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\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.exe
"C:\Users\Admin\AppData\Local\Temp\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.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\e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f.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\UlvywtFnmZtH.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UlvywtFnmZtH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8102.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 |
| NL | 91.92.247.97:2505 | tcp | |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.247.97:2505 | tcp | |
| NL | 91.92.247.97:2505 | tcp |
Files
memory/2692-0-0x00000000001B0000-0x00000000002A6000-memory.dmp
memory/2692-1-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/2692-2-0x0000000004E40000-0x0000000004E80000-memory.dmp
memory/2692-3-0x0000000000360000-0x0000000000372000-memory.dmp
memory/2692-4-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2692-5-0x00000000053D0000-0x0000000005490000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8102.tmp
| MD5 | b338ed8878f6e1471e061dde45f83012 |
| SHA1 | d65949ace7b565f4ae10148d25a99b10cc781605 |
| SHA256 | 39da6e37b3cca8829b88ae87e09b778601e7b8d3349fd1e9e2eacaaf51785d8b |
| SHA512 | cf4ff805781421ac9b62c6d1a8d185263b3053bb1d5e7e031b380c048499a542fe515d7aac5e24bbba70a9abe2e06f39d8310047a17e12924ba6137f2dfd4e28 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\DGI57YB65A3WM4WJXDQL.temp
| MD5 | a6af3b43d80e72435b0c1f27f1a5c7a4 |
| SHA1 | 06a119dd65970172717b7fc9832828ed913907c2 |
| SHA256 | 8b545467e0426b3772806d4caed1a1d04156a0586200e5623d301a664bc0bee1 |
| SHA512 | 4e24640812054b90839aa45125e596a82018ad45985977e054413a8ea500ce89d14d91c0b7ec5ffa07036ed6100caec2c66b36f17ac9a83bb157abef5e8bde15 |
memory/2692-18-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/2300-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2300-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2692-32-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/2448-33-0x000000006DFB0000-0x000000006E55B000-memory.dmp
memory/2512-34-0x000000006DFB0000-0x000000006E55B000-memory.dmp
memory/2448-35-0x0000000002550000-0x0000000002590000-memory.dmp
memory/2300-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2512-36-0x000000006DFB0000-0x000000006E55B000-memory.dmp
memory/2448-38-0x000000006DFB0000-0x000000006E55B000-memory.dmp
memory/2512-41-0x0000000002550000-0x0000000002590000-memory.dmp
memory/2300-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2448-39-0x0000000002550000-0x0000000002590000-memory.dmp
memory/2448-42-0x0000000002550000-0x0000000002590000-memory.dmp
memory/2300-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2512-48-0x000000006DFB0000-0x000000006E55B000-memory.dmp
memory/2448-47-0x000000006DFB0000-0x000000006E55B000-memory.dmp
memory/2300-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2300-53-0x0000000000400000-0x0000000000482000-memory.dmp