Analysis Overview
SHA256
e3fa6e232d27ca9d98148c4d388cc8736dfad4343b217e5e2f0144479a359a40
Threat Level: Known bad
The file DOCUMENTS.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Detect PureCrypter injector
PureCrypter
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks computer location settings
Accesses Microsoft Outlook profiles
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_win_path
outlook_office_path
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-06 14:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-06 14:41
Reported
2023-02-06 14:43
Platform
win7-20221111-en
Max time kernel
30s
Max time network
33s
Command Line
Signatures
AgentTesla
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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Clbmxcarzb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Atmmx\\Clbmxcarzb.exe\"" | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1464 set thread context of 836 | N/A | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.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:\Users\Admin\AppData\Local\Temp\DOCUMENTS.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\DOCUMENTS.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe
C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe
Network
Files
memory/1464-54-0x0000000000B60000-0x000000000104E000-memory.dmp
memory/1464-55-0x0000000006210000-0x000000000648A000-memory.dmp
memory/1120-56-0x0000000000000000-mapping.dmp
memory/1120-57-0x0000000076581000-0x0000000076583000-memory.dmp
memory/1120-58-0x000000006FE10000-0x00000000703BB000-memory.dmp
memory/1120-59-0x000000006FE10000-0x00000000703BB000-memory.dmp
memory/1120-60-0x000000006FE10000-0x00000000703BB000-memory.dmp
memory/1464-61-0x0000000004670000-0x00000000046C4000-memory.dmp
memory/836-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/836-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/836-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/836-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/836-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/836-68-0x000000000042A41E-mapping.dmp
memory/836-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/836-72-0x0000000000400000-0x0000000000430000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-06 14:41
Reported
2023-02-06 14:43
Platform
win10v2004-20221111-en
Max time kernel
91s
Max time network
115s
Command Line
Signatures
AgentTesla
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
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-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Clbmxcarzb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Atmmx\\Clbmxcarzb.exe\"" | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1764 set thread context of 1844 | N/A | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.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 |
| 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\DOCUMENTS.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\DOCUMENTS.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe
C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.exe
Network
| Country | Destination | Domain | Proto |
| US | 20.189.173.10:443 | tcp |
Files
memory/1764-132-0x0000000000960000-0x0000000000E4E000-memory.dmp
memory/1764-133-0x0000000006C50000-0x0000000006C72000-memory.dmp
memory/3516-134-0x0000000000000000-mapping.dmp
memory/3516-135-0x0000000003340000-0x0000000003376000-memory.dmp
memory/3516-136-0x0000000005C30000-0x0000000006258000-memory.dmp
memory/3516-137-0x0000000006260000-0x00000000062C6000-memory.dmp
memory/3516-138-0x00000000062D0000-0x0000000006336000-memory.dmp
memory/3516-139-0x0000000006900000-0x000000000691E000-memory.dmp
memory/3516-140-0x0000000007F60000-0x00000000085DA000-memory.dmp
memory/3516-141-0x0000000006DF0000-0x0000000006E0A000-memory.dmp
memory/1844-142-0x0000000000000000-mapping.dmp
memory/1844-143-0x0000000000400000-0x0000000000430000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DOCUMENTS.exe.log
| MD5 | a713c363be116d5ed1f971db6a657e4f |
| SHA1 | 90791863564c9ed38e7b4f047022dec4474060a1 |
| SHA256 | 4b5c446ec8ed2a2696ba00a0890763d413006ce1ea1a7a32fda1655720aef46e |
| SHA512 | 5dc740414a6ec30908e924f3bdfae2f761a35a476ef2dda239b789575a0a3696169deb6dc84a14d5828eaa5644623f107b2c686bfa4f54a90f0688239b4b1739 |
memory/1844-145-0x0000000006070000-0x0000000006614000-memory.dmp
memory/1844-146-0x0000000006D40000-0x0000000006DD2000-memory.dmp
memory/1844-147-0x0000000006D10000-0x0000000006D1A000-memory.dmp
memory/1844-148-0x0000000006F20000-0x0000000006F70000-memory.dmp
memory/1844-149-0x0000000007140000-0x0000000007302000-memory.dmp