Analysis Overview
SHA256
5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f
Threat Level: Known bad
The file 5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe was found to be: Known bad.
Malicious Activity Summary
DarkCloud
Drops startup file
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-07 14:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-07 14:17
Reported
2024-02-07 14:19
Platform
win7-20231215-en
Max time kernel
120s
Max time network
124s
Command Line
Signatures
DarkCloud
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2956 set thread context of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
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\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe
"C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
Network
Files
memory/2956-0-0x0000000001200000-0x00000000012B6000-memory.dmp
memory/2956-1-0x0000000074480000-0x0000000074B6E000-memory.dmp
memory/2956-3-0x0000000000670000-0x0000000000712000-memory.dmp
memory/2956-2-0x0000000000BE0000-0x0000000000C20000-memory.dmp
memory/2436-6-0x0000000070040000-0x00000000705EB000-memory.dmp
memory/2436-7-0x0000000002620000-0x0000000002660000-memory.dmp
memory/2436-8-0x0000000070040000-0x00000000705EB000-memory.dmp
memory/2436-10-0x0000000002620000-0x0000000002660000-memory.dmp
memory/2956-9-0x0000000000440000-0x0000000000448000-memory.dmp
memory/2580-11-0x0000000000080000-0x00000000000EE000-memory.dmp
memory/2580-13-0x0000000000080000-0x00000000000EE000-memory.dmp
memory/2580-15-0x0000000000080000-0x00000000000EE000-memory.dmp
memory/2580-19-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2580-20-0x0000000000080000-0x00000000000EE000-memory.dmp
memory/2956-22-0x0000000074480000-0x0000000074B6E000-memory.dmp
memory/2436-24-0x0000000070040000-0x00000000705EB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-07 14:17
Reported
2024-02-07 14:19
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
151s
Command Line
Signatures
DarkCloud
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4152 set thread context of 4844 | N/A | C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Suspicious behavior: EnumeratesProcesses
| 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 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\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe
"C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.78.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
Files
memory/4152-1-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4152-0-0x0000000000880000-0x0000000000936000-memory.dmp
memory/4152-2-0x0000000005410000-0x0000000005420000-memory.dmp
memory/4152-3-0x00000000052B0000-0x0000000005352000-memory.dmp
memory/4152-4-0x00000000059D0000-0x0000000005F74000-memory.dmp
memory/4152-5-0x00000000054C0000-0x0000000005552000-memory.dmp
memory/4152-6-0x0000000005560000-0x00000000055FC000-memory.dmp
memory/1960-8-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/1960-7-0x0000000004C90000-0x0000000004CC6000-memory.dmp
memory/1960-9-0x0000000004DA0000-0x0000000004DB0000-memory.dmp
memory/1960-10-0x0000000004DA0000-0x0000000004DB0000-memory.dmp
memory/1960-11-0x00000000053E0000-0x0000000005A08000-memory.dmp
memory/1960-12-0x0000000005280000-0x00000000052A2000-memory.dmp
memory/1960-13-0x0000000005320000-0x0000000005386000-memory.dmp
memory/1960-14-0x0000000005A80000-0x0000000005AE6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xv5ota3g.3cb.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1960-24-0x0000000005DE0000-0x0000000006134000-memory.dmp
memory/1960-25-0x00000000062C0000-0x00000000062DE000-memory.dmp
memory/4152-26-0x0000000005400000-0x0000000005408000-memory.dmp
memory/1960-29-0x00000000068B0000-0x00000000068FC000-memory.dmp
memory/4844-28-0x0000000000800000-0x000000000086E000-memory.dmp
memory/4152-30-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/1960-33-0x0000000006740000-0x000000000675A000-memory.dmp
memory/1960-34-0x0000000006790000-0x00000000067B2000-memory.dmp
memory/1960-32-0x00000000067D0000-0x0000000006866000-memory.dmp
memory/1960-38-0x0000000074640000-0x0000000074DF0000-memory.dmp