Analysis

  • max time kernel
    61s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2022, 13:19

General

  • Target
    draft bl.exe
  • Size 601KB
  • Sample220817-qkhbmsgadn
  • SHA256 f21713f098ba22b69b0303da4fe32dda9e1290f2d5986b9ff18cdd7de6f5d0ca
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\draft bl.exe
    "C:\Users\Admin\AppData\Local\Temp\draft bl.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\draft bl.exe
      "C:\Users\Admin\AppData\Local\Temp\draft bl.exe"
      2⤵
        PID:1420
      • C:\Users\Admin\AppData\Local\Temp\draft bl.exe
        "C:\Users\Admin\AppData\Local\Temp\draft bl.exe"
        2⤵
          PID:816
        • C:\Users\Admin\AppData\Local\Temp\draft bl.exe
          "C:\Users\Admin\AppData\Local\Temp\draft bl.exe"
          2⤵
            PID:1116
          • C:\Users\Admin\AppData\Local\Temp\draft bl.exe
            "C:\Users\Admin\AppData\Local\Temp\draft bl.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:844

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/844-60-0x0000000000400000-0x0000000000426000-memory.dmp

              memory/844-66-0x0000000000400000-0x0000000000426000-memory.dmp

              memory/844-71-0x0000000000400000-0x0000000000426000-memory.dmp

              memory/844-65-0x0000000000400000-0x0000000000426000-memory.dmp

              memory/844-61-0x0000000000400000-0x0000000000426000-memory.dmp

              memory/844-63-0x0000000000400000-0x0000000000426000-memory.dmp

              memory/844-69-0x0000000000400000-0x0000000000426000-memory.dmp

              memory/864-55-0x0000000075141000-0x0000000075143000-memory.dmp

              memory/864-54-0x0000000000260000-0x00000000002FC000-memory.dmp

              memory/864-59-0x0000000002110000-0x0000000002144000-memory.dmp

              memory/864-58-0x0000000005B50000-0x0000000005BCA000-memory.dmp

              memory/864-57-0x0000000000610000-0x000000000061C000-memory.dmp

              memory/864-56-0x00000000005F0000-0x000000000060A000-memory.dmp