Analysis

  • max time kernel
    121s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 16:11

General

  • Target

    Factura0001-00255454.exe

  • Size

    878KB

  • MD5

    b0da7f11cfb48da510ec5922d699f247

  • SHA1

    ee9f821827824a7bbc7fd2094ebe351979e6719a

  • SHA256

    8de7eff64589f33b2016f67de83c73ce0ceadf0ce5f79c8e5fe91c9611887a1e

  • SHA512

    4b993474396b8b49b9c05eef840a3afc804c73d6910c975d0cc7f41e96b33c0d1d8e357fbce940de62af81f2279668fa459c0c7321c16a66a5030f48d90a3a7d

  • SSDEEP

    12288:Md0NvpiWtvMJRr5UYDOXjETJpoHIIqycK7kIzh+BUs/Oz2BLIXXDMwiJcG6wOV6D:u0l4jX5FDOzEAoY+B

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Snakekeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 3 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).

  • 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Factura0001-00255454.exe
    "C:\Users\Admin\AppData\Local\Temp\Factura0001-00255454.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Factura0001-00255454.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mYyNPwjmz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mYyNPwjmz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD25.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\Factura0001-00255454.exe
      "C:\Users\Admin\AppData\Local\Temp\Factura0001-00255454.exe"
      2⤵
        PID:2604
      • C:\Users\Admin\AppData\Local\Temp\Factura0001-00255454.exe
        "C:\Users\Admin\AppData\Local\Temp\Factura0001-00255454.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpDD25.tmp

      Filesize

      1KB

      MD5

      04d0bc98df5b089e65ed7164897d5f16

      SHA1

      f3d92d791fe1a4a4356a96e9291f6f9a40512022

      SHA256

      964b6edf0c1f126df42ee914a6f123a8ef3e7771492afe17cac901ed36de28ac

      SHA512

      4daddd58ffed749ca9318b5c7385d9853fd0ce53db2ea899718cf8a9a33cc87df74e7d394f723afe0adfa2a7439351e7d5b358f3b1206ffdaa9b02389a0d4483

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      47237f6d575e5bc5c8b4d13a351c3ea7

      SHA1

      1f4979f1b12482ccb4ea3cd6263ac5a4af83631d

      SHA256

      db4ca6d8ac3090bebc9b78c024c8ac3d8e606b373c4aaa9b6b1239989cb3214e

      SHA512

      c0a662c414e01036256c2af3e608bf45cffe1f9774b1499f7176cf27833f6dff5e555546e257dd476ab69df338318c314173ea16922ef623e10e3bc0be362148

    • memory/2340-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

      Filesize

      4KB

    • memory/2340-32-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2340-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

      Filesize

      4KB

    • memory/2340-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2340-6-0x0000000000510000-0x000000000057C000-memory.dmp

      Filesize

      432KB

    • memory/2340-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2340-1-0x0000000000170000-0x0000000000250000-memory.dmp

      Filesize

      896KB

    • memory/2340-3-0x00000000005E0000-0x00000000005FE000-memory.dmp

      Filesize

      120KB

    • memory/2620-31-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2620-28-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2620-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2620-25-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2620-23-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2620-21-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2620-19-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2620-29-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB