Analysis
- max time kernel
118s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
03/05/2021, 05:35
General
- Target HFTeISi0wZQeZi6.exe
- Size 932KB
- Sample210503-ccef3a94xn
- SHA256 ea0c07c2684522e76b64fc26318a4f6c1b94e460a8eafd920977b2ed84efb6a7
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.manavgatgida.com
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Port
587
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Username
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Password
07Manav07Gat...
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- 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.
- Looks up external IP address via web service 3 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\HFTeISi0wZQeZi6.exe"C:\Users\Admin\AppData\Local\Temp\HFTeISi0wZQeZi6.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- 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\Local\Temp\HFTeISi0wZQeZi6.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\hudkhNSAn.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\hudkhNSAn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA0A.tmp"2⤵
- Creates scheduled task(s)
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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\hudkhNSAn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\HFTeISi0wZQeZi6.exe"C:\Users\Admin\AppData\Local\Temp\HFTeISi0wZQeZi6.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1912-194-0x0000000003F03000-0x0000000003F04000-memory.dmp
memory/1912-193-0x000000007F1B0000-0x000000007F1B1000-memory.dmp
memory/1912-148-0x0000000003F02000-0x0000000003F03000-memory.dmp
memory/1912-146-0x0000000003F00000-0x0000000003F01000-memory.dmp
memory/2144-143-0x0000000007D90000-0x0000000007D91000-memory.dmp
memory/2144-144-0x00000000070B2000-0x00000000070B3000-memory.dmp
memory/2144-195-0x00000000070B3000-0x00000000070B4000-memory.dmp
memory/2144-129-0x0000000004950000-0x0000000004951000-memory.dmp
memory/2144-130-0x00000000076F0000-0x00000000076F1000-memory.dmp
memory/2144-192-0x000000007E2D0000-0x000000007E2D1000-memory.dmp
memory/2144-172-0x0000000008440000-0x0000000008441000-memory.dmp
memory/2144-137-0x0000000007270000-0x0000000007271000-memory.dmp
memory/2144-167-0x0000000008570000-0x0000000008571000-memory.dmp
memory/2144-139-0x0000000007410000-0x0000000007411000-memory.dmp
memory/2144-165-0x0000000008120000-0x0000000008121000-memory.dmp
memory/2144-142-0x00000000070B0000-0x00000000070B1000-memory.dmp
memory/3560-126-0x000000000B9C0000-0x000000000B9C1000-memory.dmp
memory/3560-122-0x00000000057F0000-0x00000000057FE000-memory.dmp
memory/3560-121-0x00000000056E0000-0x0000000005BDE000-memory.dmp
memory/3560-114-0x0000000000CA0000-0x0000000000CA1000-memory.dmp
memory/3560-116-0x0000000005640000-0x0000000005641000-memory.dmp
memory/3560-123-0x0000000001620000-0x0000000001696000-memory.dmp
memory/3560-117-0x0000000005BE0000-0x0000000005BE1000-memory.dmp
memory/3560-118-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/3560-119-0x00000000057A0000-0x00000000057A1000-memory.dmp
memory/3560-124-0x00000000088D0000-0x000000000893C000-memory.dmp
memory/3560-120-0x0000000005840000-0x0000000005841000-memory.dmp
memory/3688-176-0x0000000006830000-0x0000000006831000-memory.dmp
memory/3688-145-0x0000000000400000-0x000000000046A000-memory.dmp
memory/3688-170-0x0000000005540000-0x0000000005A3E000-memory.dmp
memory/3720-171-0x0000000006B22000-0x0000000006B23000-memory.dmp
memory/3720-196-0x000000007E700000-0x000000007E701000-memory.dmp
memory/3720-197-0x0000000006B23000-0x0000000006B24000-memory.dmp
memory/3720-169-0x0000000006B20000-0x0000000006B21000-memory.dmp