Analysis
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max time kernel
177s -
max time network
236s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2023 22:26
Static task
static1
Behavioral task
behavioral1
Sample
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe
Resource
win10v2004-20230915-en
General
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Target
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe
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Size
523KB
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MD5
2ee45a8f29a2a9650ecf303ba28ddf87
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SHA1
36fc7927deda663b5dea936f952e047a28ce1ed5
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SHA256
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63a
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SHA512
3be0aec6f0e7a13c69a81760ae1aaec7990416071087a4799f11ec9852ba475d80e6b5481b7f45f9f444747cec13160a5c015f2e6fb4dde0f79a8ad94333c046
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SSDEEP
12288:QjVtZ5/eTpd/upd/E2PKhk246c4MrgrMU0OViUYQF2xRTSns:QjTZ5GsPKWTQMQViUY1Xss
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.flexist.com.tr - Port:
587 - Username:
[email protected] - Password:
Merhaba2023. - 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 2 IoCs
Processes:
resource yara_rule behavioral2/memory/860-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/860-70-0x0000000005520000-0x0000000005530000-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:
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.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 32 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exedescription pid process target process PID 1516 set thread context of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exepid process 860 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 860 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exedescription pid process Token: SeDebugPrivilege 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe Token: SeDebugPrivilege 860 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exedescription pid process target process PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe PID 1516 wrote to memory of 860 1516 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe -
outlook_office_path 1 IoCs
Processes:
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe -
outlook_win_path 1 IoCs
Processes:
07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Users\Admin\AppData\Local\Temp\07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\07656dde7e964ab7e49378a310d439f5c3201528ec707e0b1a138d5c61b8d63aexe_JC.exe.log
Filesize1KB
MD5fb48e160ad99a056cb5502632c82c402
SHA1e51bd74b1da051115245d03ad325fad2affa0c7d
SHA256b98b48bac31d64a426f4fefd46aba5a23812a5518d00774a3d04fdf872d2ebd4
SHA5125b7cac873a341e4fa0233f2aad686718369d6a59af539354ec3cc3a146a26a16973df62bbd276465e81e104c68cd7af3f72c012536e6bf677c6bd5afb4c90822