Analysis
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max time kernel
127s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 12:31
Static task
static1
Behavioral task
behavioral1
Sample
Shipping documents.PDF.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Shipping documents.PDF.exe
Resource
win10v2004-20220901-en
General
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Target
Shipping documents.PDF.exe
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Size
753KB
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MD5
c95c355e8ef742a2b6c165ff6b6c4ae4
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SHA1
9818b3e5305a425c6d06984c79a35353457c30e1
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SHA256
2cae27fe5b93620d4d7f1b6e16566c618c23aaa11230ebb33a2bf57c0e576202
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SHA512
f111692d9815a79f44d543ac4c171fe424168a0ea4f605fcf7bf17d6c9fa23c9ce3b2443139ee018118fb68efa8b214af9854e814a718249c951f7cabc72dc67
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SSDEEP
12288:4bsbERS6OQ0H9vM7zrbETClBkFg/IyXCD8Hk1dnkyH2lrioPUGjAIm5B2yqA2X+F:4QbwS7H9U776CPkFg/IyXtmdnzKGaUGu
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5495243543:AAG3XPeGW7yqfXF6_EXjGSfO9SWHJTpqVsU/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\LdtJsTw = "C:\\Users\\Admin\\AppData\\Roaming\\LdtJsTw\\LdtJsTw.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Shipping documents.PDF.exedescription pid process target process PID 1508 set thread context of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Shipping documents.PDF.exeRegSvcs.exepid process 1508 Shipping documents.PDF.exe 1748 RegSvcs.exe 1748 RegSvcs.exe 1748 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Shipping documents.PDF.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1508 Shipping documents.PDF.exe Token: SeDebugPrivilege 1748 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Shipping documents.PDF.exedescription pid process target process PID 1508 wrote to memory of 1772 1508 Shipping documents.PDF.exe schtasks.exe PID 1508 wrote to memory of 1772 1508 Shipping documents.PDF.exe schtasks.exe PID 1508 wrote to memory of 1772 1508 Shipping documents.PDF.exe schtasks.exe PID 1508 wrote to memory of 1772 1508 Shipping documents.PDF.exe schtasks.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe PID 1508 wrote to memory of 1748 1508 Shipping documents.PDF.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Shipping documents.PDF.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AzzZnOFhwGhBUP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC997.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpC997.tmpFilesize
1KB
MD55395c2090eddd2047d819315c7c95894
SHA10e882973cc4c11e20faff88f1f82b6216bc7feb6
SHA256d252bd95471b95b26bf776ed5d95bbf2b841996f6b0e43bee7d3df2023f717e0
SHA512bcef30cad679de17dae422d85aaa966254752efdca64fc4c9448662a521662d6e8be2d8ff5ea73016b32063da08e962d0e66ff2c142642e2fa64a4c8cf901969
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memory/1508-57-0x0000000005450000-0x00000000054D6000-memory.dmpFilesize
536KB
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memory/1508-55-0x0000000075451000-0x0000000075453000-memory.dmpFilesize
8KB
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memory/1508-54-0x0000000000070000-0x0000000000132000-memory.dmpFilesize
776KB
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memory/1508-58-0x0000000000820000-0x000000000085C000-memory.dmpFilesize
240KB
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memory/1508-56-0x00000000003B0000-0x00000000003C2000-memory.dmpFilesize
72KB
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memory/1748-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1748-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1748-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1748-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1748-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1748-67-0x0000000000437C1E-mapping.dmp
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memory/1748-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1748-71-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1772-59-0x0000000000000000-mapping.dmp