Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
21-10-2021 12:36
Static task
static1
Behavioral task
behavioral1
Sample
92c492_e7293c57732f4f278d939202241e0b25.txt.ps1
Resource
win10-en-20211014
windows10_x64
0 signatures
0 seconds
General
-
Target
92c492_e7293c57732f4f278d939202241e0b25.txt.ps1
-
Size
759KB
-
MD5
b1a471709f6fb58395e9c81a44f94bd7
-
SHA1
d086a38907fad7926fbb37a65a306e82ed2db6ca
-
SHA256
e3405e4a0f13850e6ba7b4e924c7ba1e016fa4056059f3f6ea3afb2ff10364d4
-
SHA512
f603e0ec4e4bd8b94016066e2467db74c4d069761617bb5e358bc0266b02c23e09a325223cb7f4355fe9691412900f9696ede6c2d2857e1be22dcaed468ce6fd
Malware Config
Extracted
Family
agenttesla
C2
http://103.125.190.248/j/p12m/mawa/30b1acecbda6c5d6ed4c.php
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1228-127-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1228-128-0x000000000043751E-mapping.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
jsc.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts jsc.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 2628 set thread context of 1228 2628 powershell.exe jsc.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exejsc.exepid process 2628 powershell.exe 2628 powershell.exe 2628 powershell.exe 1228 jsc.exe 1228 jsc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exejsc.exedescription pid process Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 1228 jsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
jsc.exepid process 1228 jsc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
powershell.exedescription pid process target process PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe PID 2628 wrote to memory of 1228 2628 powershell.exe jsc.exe -
outlook_office_path 1 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe -
outlook_win_path 1 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\92c492_e7293c57732f4f278d939202241e0b25.txt.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1228