Analysis
- max time kernel
90s - max time network
157s - platform
windows7_x64 - resource
win7-20220414-en - submitted
16/06/2022, 05:59
General
- Target Payment Status.exe
- Size 736KB
- Sample220616-gpqn5secap
- SHA256 d62400abebfe810e81606b5b269bd81a41d128c4d7ba514b60c1583130757303
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
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Host
mail.citymoontours.com
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Port
26
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Username
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Password
Ope_Cit@2018@
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 6 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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
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C:\Users\Admin\AppData\Local\Temp\Payment Status.exe"C:\Users\Admin\AppData\Local\Temp\Payment Status.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ckzjNXkwmbYo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1315.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Payment Status.exe"{path}"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
tmp1315.tmp
memory/868-57-0x0000000005A00000-0x0000000005A74000-memory.dmp
memory/868-54-0x00000000013B0000-0x000000000146E000-memory.dmp
memory/868-58-0x0000000004C70000-0x0000000004C96000-memory.dmp
memory/868-56-0x0000000000470000-0x000000000047A000-memory.dmp
memory/868-55-0x0000000075C51000-0x0000000075C53000-memory.dmp
memory/1520-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-72-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-70-0x0000000000400000-0x0000000000426000-memory.dmp