Analysis
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max time kernel
118s -
max time network
164s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11-10-2023 19:27
Static task
static1
Behavioral task
behavioral1
Sample
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Resource
win10v2004-20230915-en
General
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Target
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
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Size
552KB
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MD5
8e7ebf1bc39efd667d217a01b3ff4906
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SHA1
f1ca8a434bade6fc32ab7f1937406694197ff75c
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SHA256
378e803de5841cea84a1157ee59e6c64eb717674bded8dbcaa27621919552c90
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SHA512
7be4e2939848bfccd3eb8005298b6c90fdcc6580820952427033c77c693e95a01bf04f87181393f305cf3bcac0b24a54f88dfe2ee5ce931e56b3944bf4f8c047
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SSDEEP
12288:lV5U8fX9KCkemw55kO3XEiNpXdSGvAeqNH86fh8z3GOOM:xftBp3kiRNh1va865i2OOM
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.megakarsa.com - Port:
587 - Username:
[email protected] - Password:
f1n4nc3m3g4k4Rs4 - Email To:
[email protected]
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/2780-10-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2780-11-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2780-14-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2780-16-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2780-18-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2780-21-0x0000000000D50000-0x0000000000D90000-memory.dmp family_snakekeylogger behavioral1/memory/2780-23-0x0000000000D50000-0x0000000000D90000-memory.dmp family_snakekeylogger -
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:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exedescription pid process target process PID 2960 set thread context of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exepid process 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 2780 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 2780 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exedescription pid process Token: SeDebugPrivilege 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe Token: SeDebugPrivilege 2780 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exepid process 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exepid process 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exedescription pid process target process PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe PID 2960 wrote to memory of 2780 2960 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe -
outlook_office_path 1 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe -
outlook_win_path 1 IoCs
Processes:
08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe"C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe"C:\Users\Admin\AppData\Local\Temp\08A347B6-6FB3-4B5E-9A49-9EC1E49DF8F1.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2780