Analysis
- max time kernel
4294180s - max time network
122s - platform
windows7_x64 - resource
win7-20220311-en - submitted
01/04/2022, 12:40
General
- Target ING2022_04_0100088877,PDF.exe
- Size 493KB
- Sample220401-pv673sffcj
- SHA256 3142524efdca29ed19bfb8261b38bad549c427aaee7cb6aa0ac035845b880d0c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.sampharindo.com
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Port
587
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Username
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Password
perdana1770
Extracted
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snakekeylogger
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Protocol
smtp
-
Host
mail.sampharindo.com
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Port
587
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Username
-
Password
perdana1770
-
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 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 6 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\ING2022_04_0100088877,PDF.exe"C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kYxDiqK.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\kYxDiqK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEBA6.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,PDF.exe"C:\Users\Admin\AppData\Local\Temp\ING2022_04_0100088877,PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpEBA6.tmp
memory/1876-55-0x00000000763D1000-0x00000000763D3000-memory.dmp
memory/1876-56-0x00000000003E0000-0x00000000003EC000-memory.dmp
memory/1876-57-0x0000000004220000-0x000000000428A000-memory.dmp
memory/1876-62-0x0000000004F50000-0x0000000004F76000-memory.dmp
memory/1876-54-0x0000000000870000-0x00000000008F2000-memory.dmp
memory/1896-75-0x000000006C1F0000-0x000000006C79B000-memory.dmp
memory/1896-76-0x0000000002400000-0x000000000304A000-memory.dmp
memory/2032-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2032-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2032-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2032-72-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2032-74-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2032-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2032-64-0x0000000000400000-0x0000000000426000-memory.dmp