Analysis
- max time kernel
45s - max time network
148s - platform
windows7_x64 - resource
win7-20220414-en - submitted
30/06/2022, 12:20
General
- Target shipping docs.exe
- Size 618KB
- Sample220630-phra4adaa5
- SHA256 95108beb38c630b45cadeecaf511fd73c31d27bfb45166dd7e0e93a41d1fc744
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/sendMessage?chat_id=1637651323
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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SaSZGlmyLGb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA62.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"{path}"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
tmpCA62.tmp
memory/960-57-0x0000000005C20000-0x0000000005C8E000-memory.dmp
memory/960-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp
memory/960-54-0x0000000010700000-0x00000000107A0000-memory.dmp
memory/960-58-0x0000000004090000-0x00000000040B6000-memory.dmp
memory/960-56-0x0000000001E80000-0x0000000001E8A000-memory.dmp
memory/1888-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1888-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1888-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1888-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1888-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1888-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1888-72-0x0000000000400000-0x0000000000426000-memory.dmp