Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2024 16:53

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 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 use of WriteProcessMemory
    PID:2208
    • 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:2656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3FED.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2288
    • 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:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3FED.tmp

    Filesize

    1KB

    MD5

    839da55b1d40544133698ce97354f7b5

    SHA1

    f267576dfe53325a3487344a3bb2dc15120df8b4

    SHA256

    7e2c1f76ee6f96ee74b5fcf931b1c5ab1e7ea08c8bd4d83e6f358eeda9a9f9b5

    SHA512

    69fd8efc77a4141f15543563d8d4a770398f554cc10b7eb3136b265e2379a811f2b4e621ecda50efefb67f86caf5744bcd78c700a05c9aaaa8ca73b48818b024

  • memory/2208-4-0x0000000000410000-0x000000000041E000-memory.dmp

    Filesize

    56KB

  • memory/2208-5-0x0000000000520000-0x0000000000536000-memory.dmp

    Filesize

    88KB

  • memory/2208-28-0x0000000074A70000-0x000000007515E000-memory.dmp

    Filesize

    6.9MB

  • memory/2208-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

    Filesize

    4KB

  • memory/2208-1-0x0000000000210000-0x00000000002B6000-memory.dmp

    Filesize

    664KB

  • memory/2208-6-0x0000000074A70000-0x000000007515E000-memory.dmp

    Filesize

    6.9MB

  • memory/2208-7-0x00000000055F0000-0x000000000565C000-memory.dmp

    Filesize

    432KB

  • memory/2208-2-0x0000000074A70000-0x000000007515E000-memory.dmp

    Filesize

    6.9MB

  • memory/2208-3-0x0000000000380000-0x000000000039C000-memory.dmp

    Filesize

    112KB

  • memory/2540-27-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2540-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2540-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2540-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2540-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2540-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2540-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2540-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB