Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
24-10-2023 20:19
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
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Size
432KB
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MD5
38c7d78e5d7cfad455053448c7861505
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SHA1
f354edfb44d8c47bbdd20ec8b73da46175b4989b
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SHA256
8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299
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SHA512
29ec81a7086d6c4a0f86985a91337055126d1bac29a9f8acc800499742dbd1b1ff5a5e0bbc2e8768546f2a14e5a75faed378499b3e7e05cb5b6f05f10528bf7a
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SSDEEP
12288:zD7gUinfOOazylCH8hTk5WukXBfYrOiqoe5:cfOOazy5CWukXBO
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6754900376:AAGYXoJTG6DIGlzBESgGpB5cShe07Imh7JY/sendMessage?chat_id=5007084465
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/2560-9-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2560-11-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2560-14-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2560-16-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2560-19-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2560-21-0x0000000004BE0000-0x0000000004C20000-memory.dmp family_snakekeylogger behavioral1/memory/2560-23-0x0000000004BE0000-0x0000000004C20000-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:
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.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 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exedescription pid process target process PID 2276 set thread context of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exepid process 2560 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe 2560 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exedescription pid process Token: SeDebugPrivilege 2560 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exedescription pid process target process PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe PID 2276 wrote to memory of 2560 2276 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe -
outlook_office_path 1 IoCs
Processes:
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe -
outlook_win_path 1 IoCs
Processes:
NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.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 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exeC:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2560