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Analysis

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

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/01/2024, 10:39

General

  • Target

    772384bb079e5fa694985c4dc2e240eb.exe

  • Size

    24KB

  • MD5

    772384bb079e5fa694985c4dc2e240eb

  • SHA1

    f11097f5179c92328ec078e87cd2f4643ff88fd7

  • SHA256

    67d59a41b9e7e521e0d0925339f9956b7a2fef6f346f8db163917ba7284c2fc9

  • SHA512

    162e393249f9da39ccbbd1c62dcbb43b2a783e8cd7f2b50b11644b63612b1a7d0e80b013536ea6182f8a66b01584e85c62f993f8884b83937569089a487adc14

  • SSDEEP

    384:E3eVES+/xwGkRKJ3lM61qmTTMVF9/q5d0:bGS+ZfbJ3O8qYoAS

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\772384bb079e5fa694985c4dc2e240eb.exe
    "C:\Users\Admin\AppData\Local\Temp\772384bb079e5fa694985c4dc2e240eb.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1224
    • 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:2160
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2412
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:2408
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2692
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2844
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:2852
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2756

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        8KB

        MD5

        90161f3c1a7b8abfbc01b002a03aa009

        SHA1

        ef4b0d2615aa6902c807c770e9b2b39a53f75228

        SHA256

        ebe64db525b521f9f5f7244aa789dcbbafbe583625ed59bbe7f3971854816be6

        SHA512

        bfdba58cf6b88731bf4fdfb481d10c47b26f0c621b084b3e0951f50cd86aaab64fefc294aed01321646f6d8223082ad661d93a243b3eb2503f7c02a383c57f66