Analysis
- max time kernel
134s - max time network
179s - platform
windows7_x64 - resource
win7-20220414-en - submitted
25/06/2022, 06:24
General
- Target 98885a49acb18833bf0a73ce8693a0e3.exe
- Size 819KB
- Sample220625-g52fkshcdl
- SHA256 f77b7a53564f8553d56104dc2ef6e13a18aceeee08365418c2181cfc765279b8
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.bhungar.com
-
Port
587
-
Username
-
Password
i3cepm2X&{=1
Extracted
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snakekeylogger
-
Protocol
smtp
-
Host
mail.bhungar.com
-
Port
587
-
Username
-
Password
i3cepm2X&{=1
-
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 5 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 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\98885a49acb18833bf0a73ce8693a0e3.exe"C:\Users\Admin\AppData\Local\Temp\98885a49acb18833bf0a73ce8693a0e3.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\mKbnJx.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\mKbnJx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8057.tmp"2⤵
- Creates scheduled task(s)
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-
C:\Users\Admin\AppData\Local\Temp\98885a49acb18833bf0a73ce8693a0e3.exe"C:\Users\Admin\AppData\Local\Temp\98885a49acb18833bf0a73ce8693a0e3.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp8057.tmp
memory/952-54-0x0000000000C10000-0x0000000000CE4000-memory.dmp
memory/952-55-0x00000000753B1000-0x00000000753B3000-memory.dmp
memory/952-56-0x00000000008D0000-0x00000000008DE000-memory.dmp
memory/952-57-0x0000000005860000-0x0000000005914000-memory.dmp
memory/952-62-0x00000000056D0000-0x000000000574C000-memory.dmp
memory/1208-76-0x000000006E830000-0x000000006EDDB000-memory.dmp
memory/1208-75-0x000000006E830000-0x000000006EDDB000-memory.dmp
memory/1296-73-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1296-66-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1296-67-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1296-68-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1296-71-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1296-64-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1296-63-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1296-77-0x00000000004E0000-0x00000000004EA000-memory.dmp
memory/1296-78-0x0000000005070000-0x00000000050D6000-memory.dmp