Analysis
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max time kernel
152s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:10
Static task
static1
Behavioral task
behavioral1
Sample
RFQ (4500387063).exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
RFQ (4500387063).exe
Resource
win10v2004-20220414-en
General
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Target
RFQ (4500387063).exe
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Size
665KB
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MD5
64b3b21debf0bd2f82435b17bf774d8b
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SHA1
2e23acedc6f0d3e136ce5e1d6709b7f0b6a50304
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SHA256
7079cca8dabf1431d9b2f4c4d74bc6856991d583ed511e39a229a760ffe47d85
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SHA512
330eb1ec806a09662b5ca05af1e9f7014e86a75d6d4a7cc98592948038f612288d298087bd67281281f4398e5e34d89d7e57adb4a149fa61d4f575882d685251
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
JesusChrist007
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
JesusChrist007
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2912-132-0x00000000009E0000-0x0000000000A32000-memory.dmp family_agenttesla behavioral2/memory/2912-133-0x00000000009E0000-0x0000000000A32000-memory.dmp family_agenttesla -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.vbs notepad.exe -
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:
RFQ (4500387063).exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ (4500387063).exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ (4500387063).exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ (4500387063).exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RFQ (4500387063).exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" RFQ (4500387063).exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ (4500387063).exedescription pid process target process PID 3568 set thread context of 2912 3568 RFQ (4500387063).exe RFQ (4500387063).exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
RFQ (4500387063).exeRFQ (4500387063).exepid process 3568 RFQ (4500387063).exe 3568 RFQ (4500387063).exe 2912 RFQ (4500387063).exe 2912 RFQ (4500387063).exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
RFQ (4500387063).exepid process 3568 RFQ (4500387063).exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
RFQ (4500387063).exepid process 2912 RFQ (4500387063).exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RFQ (4500387063).exedescription pid process Token: SeDebugPrivilege 2912 RFQ (4500387063).exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
RFQ (4500387063).exeRFQ (4500387063).exedescription pid process target process PID 3568 wrote to memory of 3296 3568 RFQ (4500387063).exe notepad.exe PID 3568 wrote to memory of 3296 3568 RFQ (4500387063).exe notepad.exe PID 3568 wrote to memory of 3296 3568 RFQ (4500387063).exe notepad.exe PID 3568 wrote to memory of 3296 3568 RFQ (4500387063).exe notepad.exe PID 3568 wrote to memory of 3296 3568 RFQ (4500387063).exe notepad.exe PID 3568 wrote to memory of 2912 3568 RFQ (4500387063).exe RFQ (4500387063).exe PID 3568 wrote to memory of 2912 3568 RFQ (4500387063).exe RFQ (4500387063).exe PID 3568 wrote to memory of 2912 3568 RFQ (4500387063).exe RFQ (4500387063).exe PID 2912 wrote to memory of 2120 2912 RFQ (4500387063).exe netsh.exe PID 2912 wrote to memory of 2120 2912 RFQ (4500387063).exe netsh.exe PID 2912 wrote to memory of 2120 2912 RFQ (4500387063).exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RFQ (4500387063).exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ (4500387063).exe -
outlook_win_path 1 IoCs
Processes:
RFQ (4500387063).exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ (4500387063).exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe"C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
PID:3296 -
C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe"C:\Users\Admin\AppData\Local\Temp\RFQ (4500387063).exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2912 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:2120
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/2120-136-0x0000000000000000-mapping.dmp
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memory/2912-131-0x0000000000000000-mapping.dmp
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memory/2912-132-0x00000000009E0000-0x0000000000A32000-memory.dmpFilesize
328KB
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memory/2912-133-0x00000000009E0000-0x0000000000A32000-memory.dmpFilesize
328KB
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memory/2912-135-0x00000000750A0000-0x0000000075651000-memory.dmpFilesize
5.7MB
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memory/3296-130-0x0000000000000000-mapping.dmp
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memory/3568-134-0x0000000000400000-0x00000000004AD000-memory.dmpFilesize
692KB