Analysis

  • max time kernel
    121s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 10:57

General

  • Target

    de0cb6ebdb3de731c768933ecd33f4adf12ae6667113ca68e49538bd644cd32c.exe

  • Size

    585KB

  • MD5

    59fe13a8377c30271d44777e396b6bd5

  • SHA1

    27ebfc2576551267db98b26b70ab47cce0d351ac

  • SHA256

    de0cb6ebdb3de731c768933ecd33f4adf12ae6667113ca68e49538bd644cd32c

  • SHA512

    3d575bd19523584daed64073ac77090c54bd7354165116fc45d086cf6eb57091ba8912c09e900a3f7680e62485668c754c176da6ae22a6dc2d0e05b07ccc63fa

  • SSDEEP

    12288:tnC8t19OthcGsWjeHCGvQmG7hf6b7Z2z1B9jmE:fShqWjeHTQKfE

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pncala.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ZE25X]4F{wQ_

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Scheduled Task/Job: Scheduled Task 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 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de0cb6ebdb3de731c768933ecd33f4adf12ae6667113ca68e49538bd644cd32c.exe
    "C:\Users\Admin\AppData\Local\Temp\de0cb6ebdb3de731c768933ecd33f4adf12ae6667113ca68e49538bd644cd32c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uSYikBvofLR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uSYikBvofLR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDAC5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\de0cb6ebdb3de731c768933ecd33f4adf12ae6667113ca68e49538bd644cd32c.exe
      "C:\Users\Admin\AppData\Local\Temp\de0cb6ebdb3de731c768933ecd33f4adf12ae6667113ca68e49538bd644cd32c.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2904
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDAC5.tmp

    Filesize

    1KB

    MD5

    4f9247a7555aac220a3a5d1a73b832ff

    SHA1

    fea67a25cf869eb327cbd048a5c4246694ff6c72

    SHA256

    f0931b92163851065386119bfff1e5d41df2f13e4a04395622e9af375377602e

    SHA512

    caf61a437b7715351fbe8bc9eb46f855b7ebdfd40426df1f8d766af193f7e6a0baf363671534d015cf17b0a6f303f40c48ad9daa860f1aac5b4e70056a2afa1a

  • memory/804-27-0x0000000074020000-0x000000007470E000-memory.dmp

    Filesize

    6.9MB

  • memory/804-1-0x0000000000F30000-0x0000000000FC8000-memory.dmp

    Filesize

    608KB

  • memory/804-2-0x0000000074020000-0x000000007470E000-memory.dmp

    Filesize

    6.9MB

  • memory/804-3-0x0000000000B20000-0x0000000000B38000-memory.dmp

    Filesize

    96KB

  • memory/804-4-0x000000007402E000-0x000000007402F000-memory.dmp

    Filesize

    4KB

  • memory/804-5-0x0000000074020000-0x000000007470E000-memory.dmp

    Filesize

    6.9MB

  • memory/804-6-0x0000000005190000-0x00000000051F8000-memory.dmp

    Filesize

    416KB

  • memory/804-0-0x000000007402E000-0x000000007402F000-memory.dmp

    Filesize

    4KB

  • memory/2904-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2904-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2904-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2904-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2904-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2904-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2904-26-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2904-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB