Analysis
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max time kernel
150s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2022 20:29
Static task
static1
Behavioral task
behavioral1
Sample
1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe
Resource
win10v2004-20220812-en
General
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Target
1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe
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Size
773KB
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MD5
5ce4a3a94f30e5e84c3ba58de0e9801b
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SHA1
d5fa09cee1c024f321996b2ca37211055a63800c
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SHA256
1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c
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SHA512
fca822d9ad45ed7ac139926904bb080cc0f940632883ced48b61f2dcf30590381d4e628d75ea28f015160d4ff47f438c549277d6fc5470ce80b9ae4e1b136693
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SSDEEP
12288:Oc4qUiW1ywJHiG6SnMCo+uEgE/XrlBjmaZgKZ/nXt7virmWhlGLaQYI:l4qU14wJCG6yMt/Vwbb
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.aquayflores.cl - Port:
587 - Username:
[email protected] - Password:
fLuBfX#l?tQ9 - 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 1 IoCs
resource yara_rule behavioral2/memory/4708-139-0x0000000000400000-0x0000000000426000-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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.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 33 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 884 set thread context of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4708 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 4708 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4708 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 PID 884 wrote to memory of 4708 884 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe"C:\Users\Admin\AppData\Local\Temp\1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Users\Admin\AppData\Local\Temp\1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe"C:\Users\Admin\AppData\Local\Temp\1b1da45c6cff14f498bcae64c81ce606561f6d3035a7af6d3287c30307cd6c6c.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4708
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