Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2024 16:51

General

  • Target

    z26MB263350412AE.exe

  • Size

    637KB

  • MD5

    318831581b1622295c9367f25a18792d

  • SHA1

    2fdec7f6b9c9a3b1d93796135d20fb7918e0cdce

  • SHA256

    4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7

  • SHA512

    17573d9e3f054b2711bd0ac0c9bb9b3f4fed18da8ae19a58e396297eddc71fae4537f7f78375ca3cd7fbfdfa2aa4dbd775c9c396af4b255834b0f9bcd9a71854

  • SSDEEP

    12288:vhD2iNT/SHtBYYx9T4gR+r9TCQJbSKnM9YZEiG2rDR4HzJiKC:vd1cHtBYbgR+5TCQJmKtEx2rDR4HA

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.speedhouseoman.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SpH@0084

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.speedhouseoman.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SpH@0084
C2

https://scratchdreams.tk

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 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe
    "C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KYmWnLVcE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B04.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe
      "C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
      2⤵
        PID:2600
      • C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe
        "C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4B04.tmp

      Filesize

      1KB

      MD5

      6213afe52b88403c5e28cf9c32763c22

      SHA1

      ed7d39ffab42686572bbfb82b7d4dfd6cf7c1cb2

      SHA256

      a36b3094611d87adb92355407a4b86fd486f301380b17a39e7e6880b99635823

      SHA512

      2ec7fd8b0507aabe2f6faa569cc84bd5c189558a62974df002c8b2cf7eb84af1cf2ddb873e80065463af5795156d2dcc559eed2754e4ec67ea1794fb5e369871

    • memory/1960-4-0x00000000005F0000-0x00000000005FE000-memory.dmp

      Filesize

      56KB

    • memory/1960-5-0x0000000000600000-0x0000000000616000-memory.dmp

      Filesize

      88KB

    • memory/1960-27-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/1960-0-0x000000007456E000-0x000000007456F000-memory.dmp

      Filesize

      4KB

    • memory/1960-1-0x0000000000300000-0x00000000003A6000-memory.dmp

      Filesize

      664KB

    • memory/1960-6-0x0000000005280000-0x00000000052EC000-memory.dmp

      Filesize

      432KB

    • memory/1960-7-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/1960-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/1960-3-0x00000000002E0000-0x00000000002FC000-memory.dmp

      Filesize

      112KB

    • memory/2628-24-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2628-21-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2628-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2628-19-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2628-17-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2628-26-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2628-25-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2628-15-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB