Analysis

  • max time kernel
    104s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 11:45

General

  • Target

    99cf8b9ecef4e9dc7196761c2ce9648d82ace0a76674efc21fa565e39e2349cd.exe

  • Size

    333KB

  • MD5

    cca95274bbaabcfee72efaccca85a58f

  • SHA1

    b19c2fa5d7243ebcc3e782b4e3442f9984b3c5c5

  • SHA256

    99cf8b9ecef4e9dc7196761c2ce9648d82ace0a76674efc21fa565e39e2349cd

  • SHA512

    db70626e44ad33fc7de55ca8a358cfadb6c2d47b5278e1f3e9ffd0bf96cdbb8912cc868b424e7a5565a53624c13caec0be6877325f338d01e7179d6acec7a652

  • SSDEEP

    6144:68YGTEOzKyTcxRGfTeyr48vouepdTk3xN7zHx2LHtgEbE+:686OsxRGLeyr48vYpdTkBRzR2LHtgEb7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.netins.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Nskt3238

Signatures

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99cf8b9ecef4e9dc7196761c2ce9648d82ace0a76674efc21fa565e39e2349cd.exe
    "C:\Users\Admin\AppData\Local\Temp\99cf8b9ecef4e9dc7196761c2ce9648d82ace0a76674efc21fa565e39e2349cd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2608

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab2C60.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar2C91.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • memory/2272-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

          Filesize

          4KB

        • memory/2272-1-0x0000000000CA0000-0x0000000000CF8000-memory.dmp

          Filesize

          352KB

        • memory/2272-2-0x00000000748F0000-0x0000000074FDE000-memory.dmp

          Filesize

          6.9MB

        • memory/2272-15-0x00000000748F0000-0x0000000074FDE000-memory.dmp

          Filesize

          6.9MB

        • memory/2608-12-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2608-14-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2608-10-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2608-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2608-4-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2608-8-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2608-6-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/2608-3-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB