Analysis

  • max time kernel
    138s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 15:09

General

  • Target

    z55PleasefindattachedtheRFQinquiry.exe

  • Size

    2.8MB

  • MD5

    ee24e64f34a5580c5c9ee2cebefc312d

  • SHA1

    3a8a93cd79b36dedfd0827f268d210574c66f9bb

  • SHA256

    a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc

  • SHA512

    8d37331a15367009fa56cbf03c0e66730aea15fc5b437fe4f8070d9b75f12d102a424196a033cdd5ea40abc1aa5d205dfaf44f4fd49008921e22f01a59122321

  • SSDEEP

    12288:QeQU766QpZ72faJZxZtohjS902gSo+nknSsi1JqWlVHQECjzW:QeZnQpXJbD4IYus+J1/NC2

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.financ-fire.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    W6otxNGOdwF9

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • UAC bypass 3 TTPs 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 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
  • Drops file in Windows directory 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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\z55PleasefindattachedtheRFQinquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\z55PleasefindattachedtheRFQinquiry.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2880
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\z55PleasefindattachedtheRFQinquiry.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:2912
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2572
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
          PID:2656

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Cab787C.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\Tar78CD.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • memory/2572-29-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2572-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2572-27-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2572-28-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2852-8-0x0000000002540000-0x00000000025C0000-memory.dmp

        Filesize

        512KB

      • memory/2852-17-0x000000001B2C0000-0x000000001B5A2000-memory.dmp

        Filesize

        2.9MB

      • memory/2852-30-0x0000000002410000-0x0000000002418000-memory.dmp

        Filesize

        32KB

      • memory/2880-0-0x000007FEF5A53000-0x000007FEF5A54000-memory.dmp

        Filesize

        4KB

      • memory/2880-3-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

        Filesize

        9.9MB

      • memory/2880-31-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

        Filesize

        9.9MB

      • memory/2880-2-0x0000000000B00000-0x0000000000B7A000-memory.dmp

        Filesize

        488KB

      • memory/2880-1-0x00000000012E0000-0x00000000012F8000-memory.dmp

        Filesize

        96KB

      • memory/2912-13-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2912-11-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2912-15-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2912-10-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB