Analysis
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max time kernel
86s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:09
Static task
static1
Behavioral task
behavioral1
Sample
Our company presentation~pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Our company presentation~pdf.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
Purchase Order~pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
Purchase Order~pdf.exe
Resource
win10v2004-20220414-en
General
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Target
Our company presentation~pdf.exe
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Size
689KB
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MD5
22c37e22bf539c843de4ccc764924f33
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SHA1
d557a14aca121b534854bba8b7357bfd91d042c4
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SHA256
094f6a9977aca85ca844fdab18035108dda8907b5c7b90416653a573e4e127b7
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SHA512
11250880efd045016bf7c7fc74273e7b536ffae455da31d3137734c39cc81f7151dcf3a20ce9a1b8096949e28c88d7c646b25f524ce9d2ad9744ec48342abef1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mapi.diplemailsrvr.com - Port:
587 - Username:
narayana@synpurelabs.com - Password:
Banachi@1974
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2012-61-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/2012-62-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/2012-63-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/2012-64-0x000000000044A6EE-mapping.dmp family_agenttesla behavioral1/memory/2012-66-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/2012-68-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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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:
Our company presentation~pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Our company presentation~pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Our company presentation~pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Our company presentation~pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Our company presentation~pdf.exedescription pid process target process PID 860 set thread context of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.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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Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Our company presentation~pdf.exepid process 2012 Our company presentation~pdf.exe 2012 Our company presentation~pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Our company presentation~pdf.exedescription pid process Token: SeDebugPrivilege 2012 Our company presentation~pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Our company presentation~pdf.exepid process 2012 Our company presentation~pdf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
Our company presentation~pdf.exeOur company presentation~pdf.exedescription pid process target process PID 860 wrote to memory of 1252 860 Our company presentation~pdf.exe schtasks.exe PID 860 wrote to memory of 1252 860 Our company presentation~pdf.exe schtasks.exe PID 860 wrote to memory of 1252 860 Our company presentation~pdf.exe schtasks.exe PID 860 wrote to memory of 1252 860 Our company presentation~pdf.exe schtasks.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 860 wrote to memory of 2012 860 Our company presentation~pdf.exe Our company presentation~pdf.exe PID 2012 wrote to memory of 1972 2012 Our company presentation~pdf.exe REG.exe PID 2012 wrote to memory of 1972 2012 Our company presentation~pdf.exe REG.exe PID 2012 wrote to memory of 1972 2012 Our company presentation~pdf.exe REG.exe PID 2012 wrote to memory of 1972 2012 Our company presentation~pdf.exe REG.exe PID 2012 wrote to memory of 1764 2012 Our company presentation~pdf.exe netsh.exe PID 2012 wrote to memory of 1764 2012 Our company presentation~pdf.exe netsh.exe PID 2012 wrote to memory of 1764 2012 Our company presentation~pdf.exe netsh.exe PID 2012 wrote to memory of 1764 2012 Our company presentation~pdf.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
Our company presentation~pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Our company presentation~pdf.exe -
outlook_win_path 1 IoCs
Processes:
Our company presentation~pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Our company presentation~pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Our company presentation~pdf.exe"C:\Users\Admin\AppData\Local\Temp\Our company presentation~pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sQJHHoOl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F31.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Our company presentation~pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp5F31.tmpFilesize
1KB
MD57136c00f24af21b64bfcdf9f0d0bdb17
SHA1e039ebfd846f69559ad6d9b75dbfa0c42fc022da
SHA25653247c6921e98a8e89b9d6aeba9555bf5cf18eff77f372ad171077cc09b27669
SHA5120d026cf5300185a7bad7c4d9178b329b4dc8ba4c587d6162303c4c883a05e4739d2db599b1a94bc524354baee03505702e02cf947d9b0528974f8f77572fce5e
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memory/860-54-0x00000000763C1000-0x00000000763C3000-memory.dmpFilesize
8KB
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memory/860-55-0x0000000074860000-0x0000000074E0B000-memory.dmpFilesize
5.7MB
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memory/1252-56-0x0000000000000000-mapping.dmp
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memory/1764-73-0x0000000000000000-mapping.dmp
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memory/1972-72-0x0000000000000000-mapping.dmp
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memory/2012-63-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/2012-62-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/2012-61-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/2012-64-0x000000000044A6EE-mapping.dmp
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memory/2012-66-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/2012-68-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/2012-70-0x00000000747F0000-0x0000000074D9B000-memory.dmpFilesize
5.7MB
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memory/2012-71-0x00000000747F0000-0x0000000074D9B000-memory.dmpFilesize
5.7MB
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memory/2012-59-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/2012-58-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB