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Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 12:18

General

  • Target

    72387b030f7c483053c62ce90c2c344d.exe

  • Size

    24KB

  • MD5

    72387b030f7c483053c62ce90c2c344d

  • SHA1

    1c1c609e6c692a82501dfd40f252b28cd1813ec7

  • SHA256

    3c8c6fd2425994115ec2f3d88111a8feee9e75f6919b4446805247cfce52ba02

  • SHA512

    adc18428a2bb2efa8de302146f09e550e0fbbefbba05cb62d1faa6e638d29b9426a32c4466a68ea68f5baa4eb18b42352b77c28adebdbcb779283103648be0a7

  • SSDEEP

    384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5C0:bGS+ZfbJiO8qYoAD

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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72387b030f7c483053c62ce90c2c344d.exe
    "C:\Users\Admin\AppData\Local\Temp\72387b030f7c483053c62ce90c2c344d.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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:2368
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2388
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:3068
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2712
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2428
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:2828
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2844

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        8KB

        MD5

        df71f6cfd9965b1f27d3ed90b7b6053b

        SHA1

        d8344ec961b1fdfc53692edb91f50cc9a39abb33

        SHA256

        7ac866e5f2b3e426525a30ec84072ac1ea54144fdb67cc1df62b4603744c400d

        SHA512

        2f9742f4d0e4831f34e850574fa7f48e376b23622c4609f47fc4898702447b19af8c509e593a573a65783f0118087c271009c32906ccc810b3cc840615475196