Analysis
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max time kernel
121s -
max time network
161s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
09-11-2023 02:30
Static task
static1
Behavioral task
behavioral1
Sample
Vessels details.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Vessels details.exe
Resource
win10v2004-20231020-en
General
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Target
Vessels details.exe
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Size
374KB
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MD5
015f92c031a3f47dc93b9410a156470b
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SHA1
bd1ec48f94e2e79e30eed34e146a77e6dc5581f4
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SHA256
567da55c5a9f89c31cc2e2ca01d9b688f2cf2d9614d93413eb05246a10a626e1
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SHA512
6c378f61c06562915c21c66eaa2308626565eec7904e19f3a858ba648a192df4d06d9c8e1bd64f2c79a23560bed61d80bffcbf24ba518c894d7f9d7f2b5bcedc
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SSDEEP
6144:DN7zMdPaeztFrgxaw2ZRZbGAZkMf7tZalavQoXEsYG65ug5hxxQg3NZLM:4ztFU2Z3GYkU7tZalavQwEHbkg3BjM
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.yandex.com - Port:
587 - Username:
[email protected] - Password:
chijiokejackson121
https://api.telegram.org/bot5206100572:AAFn3MxBuN0bjQhfY8y1ed9Iwi79LyIe75I/sendMessage?chat_id=2135869667
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/2848-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2848-14-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2848-17-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2848-19-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2848-22-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2800-24-0x0000000001F20000-0x0000000001F60000-memory.dmp family_snakekeylogger behavioral1/memory/2848-25-0x0000000001290000-0x00000000012D0000-memory.dmp family_snakekeylogger -
Drops startup file 2 IoCs
Processes:
Powershell.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe -
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:
Vessels details.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessels details.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessels details.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessels details.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Vessels details.exedescription pid process target process PID 736 set thread context of 2848 736 Vessels details.exe Vessels details.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Vessels details.exePowershell.exepid process 2848 Vessels details.exe 2800 Powershell.exe 2848 Vessels details.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Vessels details.exePowershell.exedescription pid process Token: SeDebugPrivilege 2848 Vessels details.exe Token: SeDebugPrivilege 2800 Powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Vessels details.exedescription pid process target process PID 736 wrote to memory of 2800 736 Vessels details.exe Powershell.exe PID 736 wrote to memory of 2800 736 Vessels details.exe Powershell.exe PID 736 wrote to memory of 2800 736 Vessels details.exe Powershell.exe PID 736 wrote to memory of 2800 736 Vessels details.exe Powershell.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe PID 736 wrote to memory of 2848 736 Vessels details.exe Vessels details.exe -
outlook_office_path 1 IoCs
Processes:
Vessels details.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessels details.exe -
outlook_win_path 1 IoCs
Processes:
Vessels details.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Vessels details.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Vessels details.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2800 -
C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2848