Analysis Overview
SHA256
850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92
Threat Level: Known bad
The file 23ee744fa24aaada6ab0a81166c2f5466d29d502 was found to be: Known bad.
Malicious Activity Summary
PureCrypter
Detect PureCrypter injector
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
outlook_office_path
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Gathers network information
Suspicious use of WriteProcessMemory
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-01-27 07:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-27 07:23
Reported
2023-01-27 07:26
Platform
win7-20220901-en
Max time kernel
46s
Max time network
152s
Command Line
Signatures
Detect PureCrypter injector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
PureCrypter
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Sfrdma = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cffvs\\Sfrdma.exe\"" | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 852 set thread context of 640 | N/A | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe |
Enumerates physical storage devices
Gathers network information
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ipconfig.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ipconfig.exe | N/A |
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:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
"C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ipconfig/release
C:\Windows\SysWOW64\ipconfig.exe
ipconfig /release
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ipconfig/renew
C:\Windows\SysWOW64\ipconfig.exe
ipconfig /renew
C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 3.121.219.193:80 | 3.121.219.193 | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 64.185.227.155:443 | api.ipify.org | tcp |
| N/A | 198.98.55.114:80 | 198.98.55.114 | tcp |
Files
memory/852-54-0x0000000000CB0000-0x0000000000D2C000-memory.dmp
memory/852-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
memory/852-56-0x00000000062E0000-0x0000000006544000-memory.dmp
memory/688-57-0x0000000000000000-mapping.dmp
memory/1280-58-0x0000000000000000-mapping.dmp
memory/1036-60-0x0000000000000000-mapping.dmp
memory/1036-62-0x000000006ED70000-0x000000006F31B000-memory.dmp
memory/1036-63-0x000000006ED70000-0x000000006F31B000-memory.dmp
memory/1036-64-0x000000006ED70000-0x000000006F31B000-memory.dmp
memory/2008-65-0x0000000000000000-mapping.dmp
memory/1852-66-0x0000000000000000-mapping.dmp
memory/852-68-0x00000000053F0000-0x0000000005444000-memory.dmp
memory/640-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/640-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/640-72-0x0000000000400000-0x0000000000430000-memory.dmp
memory/640-73-0x0000000000400000-0x0000000000430000-memory.dmp
memory/640-75-0x000000000042ADCE-mapping.dmp
memory/640-74-0x0000000000400000-0x0000000000430000-memory.dmp
memory/640-79-0x0000000000400000-0x0000000000430000-memory.dmp
memory/640-77-0x0000000000400000-0x0000000000430000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-01-27 07:23
Reported
2023-01-27 07:26
Platform
win10v2004-20221111-en
Max time kernel
137s
Max time network
147s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
"C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3464 -ip 3464
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1728
Network
| Country | Destination | Domain | Proto |
| N/A | 3.121.219.193:80 | tcp | |
| N/A | 96.16.53.148:80 | tcp | |
| N/A | 96.16.53.148:80 | tcp | |
| N/A | 3.121.219.193:80 | tcp | |
| N/A | 104.208.16.90:443 | tcp | |
| N/A | 96.16.53.148:80 | tcp | |
| N/A | 96.16.53.148:80 | tcp | |
| N/A | 3.121.219.193:80 | tcp | |
| N/A | 3.121.219.193:80 | tcp | |
| N/A | 96.16.53.148:80 | tcp | |
| N/A | 104.80.225.205:443 | tcp | |
| N/A | 3.121.219.193:80 | tcp |
Files
memory/3464-132-0x0000000000480000-0x00000000004FC000-memory.dmp