Analysis
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max time kernel
70s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30/03/2023, 09:50
Static task
static1
Behavioral task
behavioral1
Sample
Belge.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Belge.exe
Resource
win10v2004-20230220-en
General
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Target
Belge.exe
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Size
905KB
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MD5
2568de65fcdccbc160da2452452cbe09
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SHA1
38e434176706827e20a786de0bd656218005c9fb
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SHA256
559b97a856fca272b7f5891100f1317d5f4846d12e86d113c8334c9861e4b026
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SHA512
d0e05fda14e4b5ebb00dee9a0e965b7720b866393f022a452c29a10f75ad76c7e79bd4d16bc11319c658965c7843f3b15a33930c174a82ace144f105ac2496b3
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SSDEEP
12288:xk5+ytZpYWHE4SODt+cIpPrzh8x55thIimOMt+6I:xy+yyWk495+cIpPrzhethIimX3I
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5587666659:AAG8NrrXJQs__dhk8nLJBFOspz2my8OVpX0/sendMessage?chat_id=5569775004
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
resource yara_rule behavioral1/memory/680-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/680-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/680-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/680-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/680-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/680-71-0x0000000002290000-0x00000000022D0000-memory.dmp family_snakekeylogger behavioral1/memory/680-72-0x0000000002290000-0x00000000022D0000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.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.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 832 set thread context of 680 832 Belge.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 680 Belge.exe 680 Belge.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 680 Belge.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 PID 832 wrote to memory of 680 832 Belge.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Belge.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Belge.exe"C:\Users\Admin\AppData\Local\Temp\Belge.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Users\Admin\AppData\Local\Temp\Belge.exe"C:\Users\Admin\AppData\Local\Temp\Belge.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:680
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