Analysis
-
max time kernel
131s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:08
Static task
static1
Behavioral task
behavioral1
Sample
RFQ-19.05.2020.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
RFQ-19.05.2020.exe
Resource
win10v2004-20220414-en
General
-
Target
RFQ-19.05.2020.exe
-
Size
2.0MB
-
MD5
9107953e95b38e558abd8e1ba4dd3c03
-
SHA1
78e3599524b5b5d13f01dfbf9cdfe8a65b6a4573
-
SHA256
c650f11c8c28f1dc49d06892ded6ab01fac0c3e364b43382a867dc0c9c67992e
-
SHA512
2186b1823f09c7ad7be42c49173d7e832e76729735a87a1a32444a7af48847240b149b754b4766f2cf02c3c01aafd0cb29ccfa69bbdbeab0c1e2342d96fcefb0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yltab.com - Port:
587 - Username:
[email protected] - Password:
VdwhsPd5
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1448-57-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1448-62-0x000000000044CDAE-mapping.dmp family_agenttesla behavioral1/memory/1448-63-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1448-64-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Drops startup file 1 IoCs
Processes:
RFQ-19.05.2020.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bthpanapi.url RFQ-19.05.2020.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MSBuild.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe" MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ-19.05.2020.exedescription pid process target process PID 1792 set thread context of 1448 1792 RFQ-19.05.2020.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1448 MSBuild.exe 1448 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1448 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
RFQ-19.05.2020.exepid process 1792 RFQ-19.05.2020.exe 1792 RFQ-19.05.2020.exe 1792 RFQ-19.05.2020.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
RFQ-19.05.2020.exepid process 1792 RFQ-19.05.2020.exe 1792 RFQ-19.05.2020.exe 1792 RFQ-19.05.2020.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
RFQ-19.05.2020.exeMSBuild.exedescription pid process target process PID 1792 wrote to memory of 1448 1792 RFQ-19.05.2020.exe MSBuild.exe PID 1792 wrote to memory of 1448 1792 RFQ-19.05.2020.exe MSBuild.exe PID 1792 wrote to memory of 1448 1792 RFQ-19.05.2020.exe MSBuild.exe PID 1792 wrote to memory of 1448 1792 RFQ-19.05.2020.exe MSBuild.exe PID 1792 wrote to memory of 1448 1792 RFQ-19.05.2020.exe MSBuild.exe PID 1792 wrote to memory of 1448 1792 RFQ-19.05.2020.exe MSBuild.exe PID 1448 wrote to memory of 1696 1448 MSBuild.exe netsh.exe PID 1448 wrote to memory of 1696 1448 MSBuild.exe netsh.exe PID 1448 wrote to memory of 1696 1448 MSBuild.exe netsh.exe PID 1448 wrote to memory of 1696 1448 MSBuild.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ-19.05.2020.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-19.05.2020.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1448-55-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1448-57-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1448-62-0x000000000044CDAE-mapping.dmp
-
memory/1448-63-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1448-64-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1448-68-0x0000000074CB0000-0x000000007525B000-memory.dmpFilesize
5.7MB
-
memory/1696-69-0x0000000000000000-mapping.dmp
-
memory/1792-54-0x0000000076461000-0x0000000076463000-memory.dmpFilesize
8KB
-
memory/1792-66-0x0000000024A90000-0x0000000024B27000-memory.dmpFilesize
604KB
-
memory/1792-67-0x0000000042430000-0x00000000424C7000-memory.dmpFilesize
604KB