Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 03:11

General

  • Target

    5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe

  • Size

    1.0MB

  • MD5

    1b1cacf8700d66bcd76d0681b7b482da

  • SHA1

    b575de77559c47071797c3030555a4bd26f49b58

  • SHA256

    5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f

  • SHA512

    dfbdc75ef18f9bef423902a37aab1c9e7a1652650f081908524327827b34d96665997820e33f7a1d84c54a4d7677c6746a4b2c21aeab26daf9220e965fa817a6

Malware Config

Signatures

  • suricata: ET MALWARE Win32/Kelihos.F Checkin

    suricata: ET MALWARE Win32/Kelihos.F Checkin

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe
    "C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe
      C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe
      2⤵
        PID:1752
      • C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe
        C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe
        2⤵
          PID:768
        • C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe
          C:\Users\Admin\AppData\Local\Temp\5676aeab93c6f538e634d037413429e26adfd17d3bc2cee9ba15483c4883789f.exe
          2⤵
          • Adds Run key to start application
          PID:1956

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1488-54-0x0000000075C91000-0x0000000075C93000-memory.dmp
        Filesize

        8KB

      • memory/1488-66-0x00000000002D0000-0x00000000002D4000-memory.dmp
        Filesize

        16KB

      • memory/1956-64-0x000000000063E000-mapping.dmp
      • memory/1956-58-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-60-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-63-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-57-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-62-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-55-0x00000000001B0000-0x00000000002AA000-memory.dmp
        Filesize

        1000KB

      • memory/1956-67-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-68-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-70-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1956-71-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB