Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    02-07-2024 01:27

General

  • Target

    235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe

  • Size

    3.0MB

  • MD5

    57cb0d1fbbe7e57e906d9bec624ff50f

  • SHA1

    d8eeb1c8e4530d619c7a5927fec5fcc892e0b24f

  • SHA256

    235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5

  • SHA512

    7d0be14e10f4174648cb597b9f8b32883088b9fed59cd4812339cdb379746e49b58dfb357d733fcb9b73c725451b64f6588e328518091b6311ef38c1dc41d886

  • SSDEEP

    12288:RaoerDVWSJRvp61xGNoQOgR4FeGQ5fzF2M9PbxyWnnMRGIliKj:RinVl1Yeo0R4FeHX2qwRFj

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    fY,FLoadtsiF

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe
    "C:\Users\Admin\AppData\Local\Temp\235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
        PID:2636
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2272
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
              PID:904
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1732 -s 632
          2⤵
            PID:2664

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1732-0-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmp
          Filesize

          4KB

        • memory/1732-1-0x0000000000990000-0x0000000000998000-memory.dmp
          Filesize

          32KB

        • memory/1732-2-0x0000000000360000-0x00000000003DA000-memory.dmp
          Filesize

          488KB

        • memory/1732-3-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmp
          Filesize

          9.9MB

        • memory/1732-19-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmp
          Filesize

          9.9MB

        • memory/1732-18-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmp
          Filesize

          4KB

        • memory/2264-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/2264-11-0x0000000000400000-0x0000000000426000-memory.dmp
          Filesize

          152KB

        • memory/2264-8-0x0000000000400000-0x0000000000426000-memory.dmp
          Filesize

          152KB

        • memory/2264-6-0x0000000000400000-0x0000000000426000-memory.dmp
          Filesize

          152KB

        • memory/2264-13-0x0000000000400000-0x0000000000426000-memory.dmp
          Filesize

          152KB

        • memory/2264-15-0x0000000000400000-0x0000000000426000-memory.dmp
          Filesize

          152KB

        • memory/2264-16-0x0000000074B8E000-0x0000000074B8F000-memory.dmp
          Filesize

          4KB

        • memory/2264-17-0x0000000074B80000-0x000000007526E000-memory.dmp
          Filesize

          6.9MB

        • memory/2264-5-0x0000000000400000-0x0000000000426000-memory.dmp
          Filesize

          152KB

        • memory/2264-4-0x0000000000400000-0x0000000000426000-memory.dmp
          Filesize

          152KB

        • memory/2264-20-0x0000000074B80000-0x000000007526E000-memory.dmp
          Filesize

          6.9MB

        • memory/2264-21-0x0000000074B80000-0x000000007526E000-memory.dmp
          Filesize

          6.9MB