Analysis
- max time kernel
117s - max time network
117s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
10/11/2021, 09:47
General
- Target doc20211109998401001.exe
- Size 388KB
- Sample211110-lr7snadhcr
- SHA256 29551050fb4783c06a6deeef4e432293e1d428f96e20528f072c0363f4a2de17
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
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Host
mail.erosgroup.co.in
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Port
587
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Username
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Password
TechNew@2019#$
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.exe"C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yHnwLyGEByEbOo.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yHnwLyGEByEbOo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB26E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.exe"C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.exe"2⤵
- 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
Loading Replay Monitor...
Downloads
memory/732-76-0x0000000001C02000-0x0000000001C04000-memory.dmp
memory/732-75-0x0000000001C01000-0x0000000001C02000-memory.dmp
memory/732-73-0x0000000001C00000-0x0000000001C01000-memory.dmp
memory/1168-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1168-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1168-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1168-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1168-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1168-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1168-74-0x00000000049B0000-0x00000000049B1000-memory.dmp
memory/1980-60-0x0000000004950000-0x000000000498D000-memory.dmp
memory/1980-55-0x0000000000D00000-0x0000000000D01000-memory.dmp
memory/1980-59-0x0000000000680000-0x0000000000687000-memory.dmp
memory/1980-58-0x0000000004990000-0x0000000004991000-memory.dmp
memory/1980-57-0x0000000075D41000-0x0000000075D43000-memory.dmp