Analysis
- max time kernel
69s - max time network
136s - platform
windows7_x64 - resource
win7-20220414-en - submitted
20/05/2022, 12:26
General
- Target 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
- Size 17KB
- Sample220520-pl731sbec2
- SHA256 fac95f09600baf09bf16c0c46c4eb851fe16b678f95ada7e0de25ee0bf71c85d
Malware Config
Extracted
-
snakekeylogger
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https://api.telegram.org/bot5133877199:AAFVuTp8XYhOatmYAFHsEDxDtry0VhBaONc/sendMessage?chat_id=1467583453
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 6 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe"C:\Users\Admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 302⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 303⤵
- Delays execution with timeout.exe
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/468-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/468-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/468-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/468-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/468-60-0x0000000000400000-0x0000000000426000-memory.dmp
memory/468-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/468-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1836-55-0x0000000075501000-0x0000000075503000-memory.dmp
memory/1836-54-0x0000000000D60000-0x0000000000D6A000-memory.dmp
memory/1836-57-0x0000000004C50000-0x0000000004C9C000-memory.dmp
memory/1836-56-0x0000000000910000-0x0000000000964000-memory.dmp