Analysis
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max time kernel
139s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
31-03-2023 18:26
Static task
static1
Behavioral task
behavioral1
Sample
PO.2402986.PDF.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PO.2402986.PDF.exe
Resource
win10v2004-20230220-en
General
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Target
PO.2402986.PDF.exe
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Size
1.3MB
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MD5
6ac943b332528abd3402c0954145bf05
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SHA1
8a17715627e7017d2b45c09f4c978917880e2876
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SHA256
bddee346a47d5cfbc48964020142db3cc659930094f46f8d63c072422499c7ed
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SHA512
69fd5ffb81c100caab99b7b4e02de092666d4b591248ca6b604b3aedd9405c9a94d6167a9c22bddb82e036bd991ae0da4115fd9337604c6e8aac94a65a928fb7
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SSDEEP
24576:pE6VLynkgY8Lsz9JfAH4sx+dV8Iz7wMFaael:pEVY8We4ZeGfel
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1952154144:AAEHUKomldKQIyjgq_MWw4YWiGcA_iwz6T4/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1844-57-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1844-59-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1844-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
PO.2402986.PDF.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions PO.2402986.PDF.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
PO.2402986.PDF.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools PO.2402986.PDF.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
PO.2402986.PDF.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion PO.2402986.PDF.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion PO.2402986.PDF.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
jsc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmk = "C:\\Users\\Admin\\AppData\\Roaming\\kmk\\kmk.exe" jsc.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
PO.2402986.PDF.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum PO.2402986.PDF.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 PO.2402986.PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO.2402986.PDF.exedescription pid process target process PID 2004 set thread context of 1844 2004 PO.2402986.PDF.exe jsc.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
Processes:
PO.2402986.PDF.exejsc.exepid process 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 2004 PO.2402986.PDF.exe 1844 jsc.exe 1844 jsc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO.2402986.PDF.exejsc.exedescription pid process Token: SeDebugPrivilege 2004 PO.2402986.PDF.exe Token: SeDebugPrivilege 1844 jsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
jsc.exepid process 1844 jsc.exe -
Suspicious use of WriteProcessMemory 52 IoCs
Processes:
PO.2402986.PDF.exedescription pid process target process PID 2004 wrote to memory of 1156 2004 PO.2402986.PDF.exe aspnet_regbrowsers.exe PID 2004 wrote to memory of 1156 2004 PO.2402986.PDF.exe aspnet_regbrowsers.exe PID 2004 wrote to memory of 1156 2004 PO.2402986.PDF.exe aspnet_regbrowsers.exe PID 2004 wrote to memory of 1200 2004 PO.2402986.PDF.exe ServiceModelReg.exe PID 2004 wrote to memory of 1200 2004 PO.2402986.PDF.exe ServiceModelReg.exe PID 2004 wrote to memory of 1200 2004 PO.2402986.PDF.exe ServiceModelReg.exe PID 2004 wrote to memory of 752 2004 PO.2402986.PDF.exe SMSvcHost.exe PID 2004 wrote to memory of 752 2004 PO.2402986.PDF.exe SMSvcHost.exe PID 2004 wrote to memory of 752 2004 PO.2402986.PDF.exe SMSvcHost.exe PID 2004 wrote to memory of 860 2004 PO.2402986.PDF.exe ngen.exe PID 2004 wrote to memory of 860 2004 PO.2402986.PDF.exe ngen.exe PID 2004 wrote to memory of 860 2004 PO.2402986.PDF.exe ngen.exe PID 2004 wrote to memory of 1472 2004 PO.2402986.PDF.exe mscorsvw.exe PID 2004 wrote to memory of 1472 2004 PO.2402986.PDF.exe mscorsvw.exe PID 2004 wrote to memory of 1472 2004 PO.2402986.PDF.exe mscorsvw.exe PID 2004 wrote to memory of 648 2004 PO.2402986.PDF.exe ilasm.exe PID 2004 wrote to memory of 648 2004 PO.2402986.PDF.exe ilasm.exe PID 2004 wrote to memory of 648 2004 PO.2402986.PDF.exe ilasm.exe PID 2004 wrote to memory of 1980 2004 PO.2402986.PDF.exe ComSvcConfig.exe PID 2004 wrote to memory of 1980 2004 PO.2402986.PDF.exe ComSvcConfig.exe PID 2004 wrote to memory of 1980 2004 PO.2402986.PDF.exe ComSvcConfig.exe PID 2004 wrote to memory of 976 2004 PO.2402986.PDF.exe vbc.exe PID 2004 wrote to memory of 976 2004 PO.2402986.PDF.exe vbc.exe PID 2004 wrote to memory of 976 2004 PO.2402986.PDF.exe vbc.exe PID 2004 wrote to memory of 1756 2004 PO.2402986.PDF.exe AddInProcess.exe PID 2004 wrote to memory of 1756 2004 PO.2402986.PDF.exe AddInProcess.exe PID 2004 wrote to memory of 1756 2004 PO.2402986.PDF.exe AddInProcess.exe PID 2004 wrote to memory of 1688 2004 PO.2402986.PDF.exe aspnet_regsql.exe PID 2004 wrote to memory of 1688 2004 PO.2402986.PDF.exe aspnet_regsql.exe PID 2004 wrote to memory of 1688 2004 PO.2402986.PDF.exe aspnet_regsql.exe PID 2004 wrote to memory of 784 2004 PO.2402986.PDF.exe aspnet_wp.exe PID 2004 wrote to memory of 784 2004 PO.2402986.PDF.exe aspnet_wp.exe PID 2004 wrote to memory of 784 2004 PO.2402986.PDF.exe aspnet_wp.exe PID 2004 wrote to memory of 556 2004 PO.2402986.PDF.exe regtlibv12.exe PID 2004 wrote to memory of 556 2004 PO.2402986.PDF.exe regtlibv12.exe PID 2004 wrote to memory of 556 2004 PO.2402986.PDF.exe regtlibv12.exe PID 2004 wrote to memory of 828 2004 PO.2402986.PDF.exe Setup.exe PID 2004 wrote to memory of 828 2004 PO.2402986.PDF.exe Setup.exe PID 2004 wrote to memory of 828 2004 PO.2402986.PDF.exe Setup.exe PID 2004 wrote to memory of 828 2004 PO.2402986.PDF.exe Setup.exe PID 2004 wrote to memory of 828 2004 PO.2402986.PDF.exe Setup.exe PID 2004 wrote to memory of 828 2004 PO.2402986.PDF.exe Setup.exe PID 2004 wrote to memory of 828 2004 PO.2402986.PDF.exe Setup.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe PID 2004 wrote to memory of 1844 2004 PO.2402986.PDF.exe jsc.exe -
outlook_office_path 1 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe -
outlook_win_path 1 IoCs
Processes:
jsc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 jsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.2402986.PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO.2402986.PDF.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regtlibv12.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regtlibv12.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\Setup.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\Setup.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"2⤵
- 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
Loading Replay Monitor...
Downloads
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memory/1844-57-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1844-59-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1844-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1844-62-0x0000000004990000-0x00000000049D0000-memory.dmpFilesize
256KB
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memory/1844-63-0x0000000004990000-0x00000000049D0000-memory.dmpFilesize
256KB
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memory/2004-54-0x0000000001040000-0x0000000001188000-memory.dmpFilesize
1.3MB
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memory/2004-55-0x000000001AC30000-0x000000001ACB0000-memory.dmpFilesize
512KB
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memory/2004-56-0x0000000000D40000-0x0000000000DBC000-memory.dmpFilesize
496KB