Analysis
-
max time kernel
132s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 10:53
Static task
static1
Behavioral task
behavioral1
Sample
PDF FILE.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PDF FILE.exe
Resource
win10v2004-20220414-en
General
-
Target
PDF FILE.exe
-
Size
799KB
-
MD5
1277b04db5572984362d8bbcf44ecd30
-
SHA1
7102aa04317c7cf6928629d37413b92a9b09961c
-
SHA256
af128a2f0cd31637c0ecc78b9c8b8be7017db9b34b5adfdafaea83c5eeff8eeb
-
SHA512
50916e4aab4d7e2fdee4b1a11360e3321033ea9ab1b38a8c75b26e670a44bd31be5b4def820401547f918f397423ca8ae57f889ab83340aa7bc7e0213a87b9a9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.wingsofmusic.com.au - Port:
587 - Username:
[email protected] - Password:
smithsteve222
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2272-133-0x0000000000AA0000-0x0000000000AFA000-memory.dmp family_agenttesla behavioral2/memory/2272-132-0x0000000000AA0000-0x0000000000AFA000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
PDF FILE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PDF FILE.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PDF FILE.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PDF FILE.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PDF FILE.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Newapp = "C:\\Users\\Admin\\AppData\\Roaming\\Newapp\\Newapp.exe" PDF FILE.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PDF FILE.exedescription pid process target process PID 3300 set thread context of 2272 3300 PDF FILE.exe PDF FILE.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PDF FILE.exePDF FILE.exepid process 3300 PDF FILE.exe 3300 PDF FILE.exe 2272 PDF FILE.exe 2272 PDF FILE.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
PDF FILE.exepid process 3300 PDF FILE.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PDF FILE.exedescription pid process Token: SeDebugPrivilege 2272 PDF FILE.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
PDF FILE.exedescription pid process target process PID 3300 wrote to memory of 2272 3300 PDF FILE.exe PDF FILE.exe PID 3300 wrote to memory of 2272 3300 PDF FILE.exe PDF FILE.exe PID 3300 wrote to memory of 2272 3300 PDF FILE.exe PDF FILE.exe -
outlook_office_path 1 IoCs
Processes:
PDF FILE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PDF FILE.exe -
outlook_win_path 1 IoCs
Processes:
PDF FILE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PDF FILE.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe"C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe"C:\Users\Admin\AppData\Local\Temp\PDF FILE.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2272
-