Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    08/08/2023, 13:13

General

  • Target

    708415278200.exe

  • Size

    1.0MB

  • MD5

    158748c68c6020ea891efa8286390152

  • SHA1

    07a4eedeccca3144728289594780ce483a6349a4

  • SHA256

    1e1ff24f4fb7e44eb28295debcc6a6ea5015361253d18a90daeecbb1bd2afa34

  • SHA512

    ac8d4796acb776a0f38d191cbf48ac3cdcb55457153daaa9911fd8efdb5aff0b9c6da2d6b5065905a8ca12d961b36d0dadfb6b853f2795ecd6bdea123b2b453c

  • SSDEEP

    24576:11I1R1I1nRs6CE3jLMpppdpppppUO9Rs6CE3jLMpppdpppppUOLOgu0V5dGclWzD:1GvGRRs6CE3jLbO9Rs6CE3jLbORu0Pdo

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\708415278200.exe
    "C:\Users\Admin\AppData\Local\Temp\708415278200.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BALCIwRur" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBBD0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2976
    • C:\Users\Admin\AppData\Local\Temp\708415278200.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpBBD0.tmp

          Filesize

          1KB

          MD5

          5ec1ed30c62c4c0841af41dcf82d979b

          SHA1

          0255c8e4d6b156fc6dc29224fb2a50f7b0833b85

          SHA256

          5565b401eb7fe7d1e3a4356c722362a30d9c57148e5e3b51777cdced819d4c82

          SHA512

          71afd3c2a8cb38e188c059c5feb26dd4c00252f93b0e5e29c6e6c99343af0853b7c2a3460fcfc67247d29709f186c4dabd1caba229fe578a07397acd9b604bfe

        • memory/2480-54-0x0000000000830000-0x000000000093C000-memory.dmp

          Filesize

          1.0MB

        • memory/2480-55-0x00000000749E0000-0x00000000750CE000-memory.dmp

          Filesize

          6.9MB

        • memory/2480-56-0x0000000004D60000-0x0000000004DA0000-memory.dmp

          Filesize

          256KB

        • memory/2480-57-0x00000000749E0000-0x00000000750CE000-memory.dmp

          Filesize

          6.9MB

        • memory/2480-58-0x0000000004D60000-0x0000000004DA0000-memory.dmp

          Filesize

          256KB

        • memory/2480-59-0x0000000000740000-0x0000000000754000-memory.dmp

          Filesize

          80KB

        • memory/2480-60-0x0000000005230000-0x00000000052C6000-memory.dmp

          Filesize

          600KB

        • memory/2480-61-0x0000000001F80000-0x0000000001FD4000-memory.dmp

          Filesize

          336KB

        • memory/2480-77-0x00000000749E0000-0x00000000750CE000-memory.dmp

          Filesize

          6.9MB

        • memory/2908-66-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2908-67-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2908-68-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2908-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2908-72-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2908-74-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2908-76-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2908-65-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2908-78-0x00000000749E0000-0x00000000750CE000-memory.dmp

          Filesize

          6.9MB

        • memory/2908-79-0x0000000004C00000-0x0000000004C40000-memory.dmp

          Filesize

          256KB

        • memory/2908-81-0x00000000749E0000-0x00000000750CE000-memory.dmp

          Filesize

          6.9MB

        • memory/2908-82-0x0000000004C00000-0x0000000004C40000-memory.dmp

          Filesize

          256KB