Analysis
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max time kernel
140s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 22:14
Static task
static1
Behavioral task
behavioral1
Sample
PO.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PO.exe
Resource
win10v2004-20220414-en
General
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Target
PO.exe
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Size
629KB
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MD5
80a403850f764cd5b6b6ca7815d1eef8
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SHA1
bd52782526e783fe7786e4cef0f169264c1b117d
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SHA256
1414f24264a3c0579250f74acdbb4ffffc79cf787221704b80cdab5829212bff
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SHA512
3d4eb72ccb52bea0c05f87885a1b054f294c1e40292aec9d7c09680c20ed4336e0645fefe4b586139642f16022e67cd9d7b62f4e69b00343e1b92cd30c8e9b69
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Wm^kN*!7
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/1648-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1648-64-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1648-65-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1648-66-0x00000000004469FE-mapping.dmp family_agenttesla behavioral1/memory/1648-68-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1648-70-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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:
PO.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO.exedescription pid process target process PID 2020 set thread context of 1648 2020 PO.exe PO.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 2 IoCs
Processes:
PO.exepid process 1648 PO.exe 1648 PO.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO.exedescription pid process Token: SeDebugPrivilege 1648 PO.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO.exepid process 1648 PO.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
PO.exedescription pid process target process PID 2020 wrote to memory of 1692 2020 PO.exe schtasks.exe PID 2020 wrote to memory of 1692 2020 PO.exe schtasks.exe PID 2020 wrote to memory of 1692 2020 PO.exe schtasks.exe PID 2020 wrote to memory of 1692 2020 PO.exe schtasks.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe PID 2020 wrote to memory of 1648 2020 PO.exe PO.exe -
outlook_office_path 1 IoCs
Processes:
PO.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe -
outlook_win_path 1 IoCs
Processes:
PO.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OgmEfPUTiwiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp931C.tmp"2⤵
- Creates scheduled task(s)
PID:1692 -
C:\Users\Admin\AppData\Local\Temp\PO.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1648
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD503decc1c99801e5428d14eae2e987930
SHA11285e6beb3fae25cb2999d5a80923ca061283f73
SHA25640d9ec688fd75543d59fe497943d3113b6b252464ab295fcefbf5ed0a2ef90b7
SHA512c5fae38eb09c81d113bf40da1293d0522bd0b9a0b1688e81d2a9b639f4932fe0b16f7e699e729649dd1aa912c2025ae26f90babfd4c9c3c8df64506d1a801e6a