Analysis

  • max time kernel
    0s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 12:54

General

  • Target

    91b2adc35b7b31de076c7b95a645a841.exe

  • Size

    24KB

  • MD5

    91b2adc35b7b31de076c7b95a645a841

  • SHA1

    4d9e7bd9da551920bc4695e82a01d385aa084959

  • SHA256

    0c408fd362fdf336e4b9daaf822045956d0d3d37c19b4d3c640ae5ba8d7923a9

  • SHA512

    f71a41d74b299d7420f3937fb3909081bba22fb79de336954d299907bab1503c83aae988029e28d2e007f4b0538650ac72f2eb812924253ab738edb7f8aa220a

  • SSDEEP

    384:E3eVES+/xwGkRKJI9BglM61qmTTMVF9/q5k0:bGS+ZfbJfO8qYoAF

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91b2adc35b7b31de076c7b95a645a841.exe
    "C:\Users\Admin\AppData\Local\Temp\91b2adc35b7b31de076c7b95a645a841.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4472
  • C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    1⤵
    • Gathers network information
    PID:4292
  • C:\Windows\SysWOW64\tasklist.exe
    tasklist
    1⤵
    • Enumerates processes with tasklist
    • Suspicious use of AdjustPrivilegeToken
    PID:3968
  • C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start
    1⤵
      PID:1700
    • C:\Windows\SysWOW64\NETSTAT.EXE
      netstat -an
      1⤵
      • Gathers network information
      PID:1844
    • C:\Windows\SysWOW64\net.exe
      net start
      1⤵
        PID:3396
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        1⤵
          PID:3652

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\windows\temp\flash.log

          Filesize

          15KB

          MD5

          4030db5d6a51ebb3aaa2f59fdf6d2d9c

          SHA1

          04239e5aaa7587820acb6db7e42ca21688d02915

          SHA256

          4633d2669e660b51ed7bea8f31a00b3eb636009c45007d5082d629866cb050ce

          SHA512

          09e7da1d6b6e64d48a8e4578572279d39f2bbc0e33d37e6d527d99cac25075e7df0f174f0333990c2ac60b28f2b7c11bbb806a78afd4d271c74363ce6a8b24e1