Analysis
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max time kernel
90s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:06
Static task
static1
Behavioral task
behavioral1
Sample
Payment Confirmation#114_pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Payment Confirmation#114_pdf.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
Payment Confirmation#114_pdf/Payment Confirmation#114_pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
Payment Confirmation#114_pdf/Payment Confirmation#114_pdf.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral5
Sample
Payment Confirmation#114_pdf/pic.jpg
Resource
win7-20220414-en
Behavioral task
behavioral6
Sample
Payment Confirmation#114_pdf/pic.jpg
Resource
win10v2004-20220414-en
General
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Target
Payment Confirmation#114_pdf/Payment Confirmation#114_pdf.exe
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Size
868KB
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MD5
2ee1b13c5fda8793a1e49f301dbbc0d2
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SHA1
14e6c23aadeaaadcd730d1fa360f0e27940f0184
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SHA256
3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624
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SHA512
493d0b189220b7a1f1b1b5e828ef809c39f0436f45ee6bd5ae5e318b130c5881264ab1c12f3292af7ecdcb11ce10a1183be69541a2592fcfe8183c6b22693a75
Malware Config
Extracted
Protocol: smtp- Host:
smtp.flockmail.com - Port:
587 - Username:
[email protected] - Password:
Kclove9090@
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 behavioral4/memory/3044-130-0x0000000000A80000-0x0000000000B60000-memory.dmp family_agenttesla behavioral4/memory/1660-136-0x0000000000700000-0x0000000000766000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
Payment Confirmation#114_pdf.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts Payment Confirmation#114_pdf.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:
Payment Confirmation#114_pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Confirmation#114_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Confirmation#114_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Confirmation#114_pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Payment Confirmation#114_pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SkWSmu = "C:\\Users\\Admin\\AppData\\Roaming\\SkWSmu\\SkWSmu.exe" Payment Confirmation#114_pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment Confirmation#114_pdf.exedescription pid process target process PID 3044 set thread context of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Payment Confirmation#114_pdf.exePayment Confirmation#114_pdf.exepid process 3044 Payment Confirmation#114_pdf.exe 3044 Payment Confirmation#114_pdf.exe 3044 Payment Confirmation#114_pdf.exe 1660 Payment Confirmation#114_pdf.exe 1660 Payment Confirmation#114_pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Payment Confirmation#114_pdf.exePayment Confirmation#114_pdf.exedescription pid process Token: SeDebugPrivilege 3044 Payment Confirmation#114_pdf.exe Token: SeDebugPrivilege 1660 Payment Confirmation#114_pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Payment Confirmation#114_pdf.exepid process 1660 Payment Confirmation#114_pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Payment Confirmation#114_pdf.exedescription pid process target process PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe PID 3044 wrote to memory of 1660 3044 Payment Confirmation#114_pdf.exe Payment Confirmation#114_pdf.exe -
outlook_office_path 1 IoCs
Processes:
Payment Confirmation#114_pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Confirmation#114_pdf.exe -
outlook_win_path 1 IoCs
Processes:
Payment Confirmation#114_pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Confirmation#114_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Confirmation#114_pdf\Payment Confirmation#114_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Confirmation#114_pdf\Payment Confirmation#114_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Payment Confirmation#114_pdf\Payment Confirmation#114_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Confirmation#114_pdf\Payment Confirmation#114_pdf.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Confirmation#114_pdf.exe.logFilesize
1KB
MD5fc13935f3038bdde6cb484249fbff668
SHA1a4c32013e6d59bf1eb1a5119456965de191e62b8
SHA256de064c569a5f4edaf2da91d7bcb82bab06a35190b699cede1da0aa616a23d676
SHA5125817275af0f8a48eb1e008d39f62fb3582db9a2d21a806e9f9ee36fbfd799fb17e91f0e3686f4b236724fe78f14ae7f40cd3755f0ec0fb6734ce42f996b798f7
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memory/1660-133-0x0000000000000000-mapping.dmp
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memory/1660-136-0x0000000000700000-0x0000000000766000-memory.dmpFilesize
408KB
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memory/1660-137-0x0000000004F40000-0x0000000004FDC000-memory.dmpFilesize
624KB
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memory/1660-138-0x0000000005B10000-0x0000000005B76000-memory.dmpFilesize
408KB
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memory/1660-139-0x0000000006330000-0x0000000006380000-memory.dmpFilesize
320KB
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memory/1660-140-0x00000000065E0000-0x00000000065EA000-memory.dmpFilesize
40KB
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memory/3044-130-0x0000000000A80000-0x0000000000B60000-memory.dmpFilesize
896KB
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memory/3044-131-0x00000000062F0000-0x0000000006894000-memory.dmpFilesize
5.6MB
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memory/3044-132-0x0000000005E20000-0x0000000005EB2000-memory.dmpFilesize
584KB