Analysis
- max time kernel
59s - max time network
126s - platform
windows7_x64 - resource
win7-20220718-en - resource tags
- submitted
26/07/2022, 16:07
General
- Target f18592fd1912ac0404565944991e77a1.exe
- Size 885KB
- Sample220726-tkmsxabdcl
- SHA256 806bfede204f2390d3e142735dfb3ee25d440eef2ef1966ee1caca991ca5a60a
Malware Config
Extracted
-
snakekeylogger
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
LYSV$*b4
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
- 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 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.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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\f18592fd1912ac0404565944991e77a1.exe"C:\Users\Admin\AppData\Local\Temp\f18592fd1912ac0404565944991e77a1.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\jAlJQbFTKpZvn.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\jAlJQbFTKpZvn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFB1.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\f18592fd1912ac0404565944991e77a1.exe"C:\Users\Admin\AppData\Local\Temp\f18592fd1912ac0404565944991e77a1.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
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Downloads
tmpAFB1.tmp
memory/520-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/520-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/520-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/520-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/520-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/520-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/520-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1724-77-0x000000006E460000-0x000000006EA0B000-memory.dmp
memory/1768-58-0x000000000A200000-0x000000000A278000-memory.dmp
memory/1768-63-0x0000000004FA0000-0x0000000004FCA000-memory.dmp
memory/1768-54-0x00000000010D0000-0x00000000011B2000-memory.dmp
memory/1768-57-0x0000000000630000-0x000000000063A000-memory.dmp
memory/1768-56-0x00000000005A0000-0x00000000005B6000-memory.dmp
memory/1768-55-0x00000000757E1000-0x00000000757E3000-memory.dmp