Analysis Overview
SHA256
3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656
Threat Level: Known bad
The file 3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Detect PureCrypter injector
PureCrypter
Adds Run key to start application
Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-07 12:15
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-07 12:15
Reported
2023-02-07 12:17
Platform
win7-20220812-en
Max time kernel
44s
Max time network
47s
Command Line
Signatures
Detect PureCrypter injector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
PureCrypter
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\frirefox = "\"C:\\Users\\Admin\\AppData\\Roaming\\downloads\\frirefox.exe\"" | C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
"C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe"
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
Network
Files
memory/968-54-0x00000000003A0000-0x0000000000642000-memory.dmp
memory/968-55-0x0000000004D70000-0x0000000005000000-memory.dmp
memory/968-56-0x0000000075921000-0x0000000075923000-memory.dmp
memory/968-57-0x00000000044B0000-0x0000000004530000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-07 12:15
Reported
2023-02-07 12:17
Platform
win10v2004-20221111-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Remcos
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\frirefox = "\"C:\\Users\\Admin\\AppData\\Roaming\\downloads\\frirefox.exe\"" | C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4880 set thread context of 3000 | N/A | C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe | C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
"C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe"
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
C:\Users\Admin\AppData\Local\Temp\3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656.exe
Network
| Country | Destination | Domain | Proto |
| SE | 176.126.86.245:62520 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 20.42.73.24:443 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.101.242.52.in-addr.arpa | udp |
Files
memory/4880-132-0x00000000005B0000-0x0000000000852000-memory.dmp
memory/4880-133-0x00000000054D0000-0x00000000054F2000-memory.dmp
memory/3000-134-0x0000000000000000-mapping.dmp
memory/3000-135-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3000-136-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3000-137-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3000-138-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3000-139-0x0000000000400000-0x0000000000480000-memory.dmp