Analysis
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max time kernel
125s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2022 12:24
Static task
static1
Behavioral task
behavioral1
Sample
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
Resource
win10v2004-20220812-en
General
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Target
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe
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Size
1.2MB
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MD5
0c9c80a0373b2081fa5bb61e8336fb45
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SHA1
487a24e1bca88280b8a66da12f77179b1337bd80
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SHA256
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7
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SHA512
9d411ffefd29dbe8df0ccaf0270d7a10c46987b8995f1ccd0ce6db5b0d616e8a2249053c3327b8de01bccb88de667933067018c7947c3197da2db498af0e8362
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SSDEEP
24576:WAHnh+eWsN3skA4RV1Hom2KXMmHaf1mczftS95:xh+ZkldoPK8YafYQftQ
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 12 IoCs
Processes:
resource yara_rule behavioral2/memory/4244-133-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-139-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-141-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-140-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-142-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-144-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-146-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-147-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-150-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-155-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-153-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla behavioral2/memory/4244-152-0x00000000007B0000-0x00000000007FC000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 42 checkip.amazonaws.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exedescription pid process target process PID 2816 set thread context of 4244 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 4244 RegAsm.exe 4244 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 4244 RegAsm.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exepid process 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exepid process 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 4244 RegAsm.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exedescription pid process target process PID 2816 wrote to memory of 4244 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe RegAsm.exe PID 2816 wrote to memory of 4244 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe RegAsm.exe PID 2816 wrote to memory of 4244 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe RegAsm.exe PID 2816 wrote to memory of 4244 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe RegAsm.exe PID 2816 wrote to memory of 4244 2816 7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe"C:\Users\Admin\AppData\Local\Temp\7f8dd52a70ef90b07471dc9f4ae425655fe45b162fba465bdfa8a7effb8e33d7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4244