Analysis

  • max time kernel
    49s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 07:19

General

  • Target

    2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624.exe

  • Size

    121KB

  • MD5

    45821e7e43389e1c4ac8d2e8faab64f1

  • SHA1

    558979cf28f030cb37df957df7a6a80a150a8ed0

  • SHA256

    2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624

  • SHA512

    420a7cca7a65cec9463f9407bdc441c4861ecb18f9f15fcd34a719723b7d042a1887b4a91b54702b4cd4cf759bb88d3d3e80a920a9bee2013f22078b9a0c0da8

  • SSDEEP

    3072:SrbtjvNoRp9+5IsisgG3G6cPUHE2ZJR+FBSnX2XcU:SrR1oxsirkNcyEID+7SnX2

Malware Config

Signatures

  • UPX packed file 4 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 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624.exe
    "C:\Users\Admin\AppData\Local\Temp\2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624.exe
      C:\Users\Admin\AppData\Local\Temp\2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624.exe startC:\Users\Admin\AppData\Roaming\Microsoft\Windows\shell.exe%C:\Users\Admin\AppData\Roaming\Microsoft\Windows
      2⤵
        PID:944
      • C:\Users\Admin\AppData\Local\Temp\2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624.exe
        C:\Users\Admin\AppData\Local\Temp\2fc13a3e6f2142a7cdb9ce9f679c71d9ead710fb72473fc4123da8a5ac2be624.exe startC:\Users\Admin\AppData\Local\Temp\dwm.exe%C:\Users\Admin\AppData\Local\Temp
        2⤵
          PID:1768

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/944-62-0x000000000057F000-0x0000000000599000-memory.dmp

        Filesize

        104KB

      • memory/944-61-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/944-59-0x000000000057F000-0x0000000000599000-memory.dmp

        Filesize

        104KB

      • memory/1720-57-0x000000000028F000-0x00000000002A9000-memory.dmp

        Filesize

        104KB

      • memory/1720-54-0x000000000028F000-0x00000000002A9000-memory.dmp

        Filesize

        104KB

      • memory/1720-56-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1720-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

        Filesize

        8KB

      • memory/1720-63-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1720-64-0x000000000028F000-0x00000000002A9000-memory.dmp

        Filesize

        104KB

      • memory/1768-66-0x000000000061F000-0x0000000000639000-memory.dmp

        Filesize

        104KB

      • memory/1768-68-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1768-69-0x000000000061F000-0x0000000000639000-memory.dmp

        Filesize

        104KB