Analysis
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max time kernel
119s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:31
Static task
static1
Behavioral task
behavioral1
Sample
PO.r02.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PO.r02.exe
Resource
win10v2004-20220414-en
General
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Target
PO.r02.exe
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Size
528KB
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MD5
d9a65437d49bb6bd6ecd415c7214a93c
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SHA1
0088823df476b6848d042bd0940886d4b99215cf
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SHA256
5edec04b0b27b91523f60696c9a834bca0f4c6648d8a67c0df78db288e74bd2d
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SHA512
785e74bca397ab8162516cdfa7e36f5186abae3fce044234b8e1a70128aba74d95f6d070d8b88d2e3b75194d8b528c0d01ea66cd569983491adf14e6a4f19820
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chiamaka1991
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chiamaka1991
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1832-136-0x0000000000400000-0x0000000000452000-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.r02.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.r02.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.r02.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.r02.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO.r02.exedescription pid process target process PID 1092 set thread context of 1832 1092 PO.r02.exe PO.r02.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
PO.r02.exepid process 1832 PO.r02.exe 1832 PO.r02.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO.r02.exedescription pid process Token: SeDebugPrivilege 1832 PO.r02.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
PO.r02.exePO.r02.exedescription pid process target process PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1092 wrote to memory of 1832 1092 PO.r02.exe PO.r02.exe PID 1832 wrote to memory of 1856 1832 PO.r02.exe netsh.exe PID 1832 wrote to memory of 1856 1832 PO.r02.exe netsh.exe PID 1832 wrote to memory of 1856 1832 PO.r02.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
PO.r02.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.r02.exe -
outlook_win_path 1 IoCs
Processes:
PO.r02.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO.r02.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.r02.exe"C:\Users\Admin\AppData\Local\Temp\PO.r02.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Users\Admin\AppData\Local\Temp\PO.r02.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1832 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1856
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1092-130-0x0000000000EB0000-0x0000000000F38000-memory.dmpFilesize
544KB
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memory/1092-131-0x0000000005EA0000-0x0000000006444000-memory.dmpFilesize
5.6MB
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memory/1092-132-0x00000000058F0000-0x0000000005982000-memory.dmpFilesize
584KB
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memory/1092-133-0x0000000005A80000-0x0000000005A8A000-memory.dmpFilesize
40KB
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memory/1092-134-0x0000000009750000-0x00000000097EC000-memory.dmpFilesize
624KB
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memory/1832-135-0x0000000000000000-mapping.dmp
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memory/1832-136-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/1832-137-0x0000000005AF0000-0x0000000005B56000-memory.dmpFilesize
408KB
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memory/1832-138-0x00000000066C0000-0x0000000006710000-memory.dmpFilesize
320KB
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memory/1856-139-0x0000000000000000-mapping.dmp