Analysis
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max time kernel
120s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
05-12-2023 16:58
Static task
static1
Behavioral task
behavioral1
Sample
05.12.2023tahsilsenedibilgileri.xls.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
05.12.2023tahsilsenedibilgileri.xls.exe
Resource
win10v2004-20231201-en
General
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Target
05.12.2023tahsilsenedibilgileri.xls.exe
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Size
681KB
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MD5
3270695f929b3f2499f9f56d76c9b08f
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SHA1
32e75a939b0ae09a898339004afa4bbeb3ce6d68
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SHA256
c7c0a22744179c319910d7c9508866ebfc6d35beeee844b8462bab9c04af4b19
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SHA512
23360736cdda1b3cd4cf07046936f512d3ab9c50c47422f1e7d3e689ad5143ef450ea8b3f0660c38a892c6191023b16b731c559ed11b3104e74b60f8986110f5
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SSDEEP
12288:Xy7KE6jD/62iNG5nF8rmi9VEsqhzUoo3j3D829wV1wIctP/T:X6KtD/61IGzEsGInjwV1wFtX
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.ozakaluminyum.com - Port:
587 - Username:
[email protected] - Password:
ETKghx*c3KoQ
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2288-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2288-15-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2288-19-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2288-21-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2288-23-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2288-26-0x0000000004B60000-0x0000000004BA0000-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:
05.12.2023tahsilsenedibilgileri.xls.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 05.12.2023tahsilsenedibilgileri.xls.exe Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 05.12.2023tahsilsenedibilgileri.xls.exe Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 05.12.2023tahsilsenedibilgileri.xls.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:
05.12.2023tahsilsenedibilgileri.xls.exedescription pid process target process PID 1208 set thread context of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exe05.12.2023tahsilsenedibilgileri.xls.exepid process 1208 05.12.2023tahsilsenedibilgileri.xls.exe 1208 05.12.2023tahsilsenedibilgileri.xls.exe 1208 05.12.2023tahsilsenedibilgileri.xls.exe 1208 05.12.2023tahsilsenedibilgileri.xls.exe 1208 05.12.2023tahsilsenedibilgileri.xls.exe 1208 05.12.2023tahsilsenedibilgileri.xls.exe 1208 05.12.2023tahsilsenedibilgileri.xls.exe 2288 05.12.2023tahsilsenedibilgileri.xls.exe 2288 05.12.2023tahsilsenedibilgileri.xls.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exe05.12.2023tahsilsenedibilgileri.xls.exedescription pid process Token: SeDebugPrivilege 1208 05.12.2023tahsilsenedibilgileri.xls.exe Token: SeDebugPrivilege 2288 05.12.2023tahsilsenedibilgileri.xls.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exedescription pid process target process PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 1208 wrote to memory of 2288 1208 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe -
outlook_office_path 1 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 05.12.2023tahsilsenedibilgileri.xls.exe -
outlook_win_path 1 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 05.12.2023tahsilsenedibilgileri.xls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2288