Resubmissions

06-11-2024 14:57

241106-sbs3ws1paw 3

29-10-2024 14:27

241029-rsdtvswdjh 10

04-09-2024 18:25

240904-w2ngwavbmq 10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 14:27

General

  • Target

    unionoftaxationemployeescollectiveagreement91985.js

  • Size

    8.0MB

  • MD5

    cabe44b59e1b9d2e16c944787ac48e61

  • SHA1

    d5111f4a5432aef1d4cd4aa632958e4d90b102ee

  • SHA256

    5ea87676fa668a09c1db2988aadf70e29a377c172f17f1ed48b34d09730ebb47

  • SHA512

    b7b81d2df403b88d84b075671dc0604f9a9b6e637f99050f14ef5d947d5ff1a99de3f7a5604df0470949bd856cabbface9c46a8d5d9bde37efc8f88bd5d2318d

  • SSDEEP

    49152:/y+nncMHwtllKdy/s+LfHQiy+nncMHwtllKdy/s+LfHQiy+nncMHwtllKdy/s+LO:/MMMMMY

Malware Config

Signatures

  • GootLoader

    JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.

  • Gootloader family
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\unionoftaxationemployeescollectiveagreement91985.js
    1⤵
      PID:2896
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {52BDFBD3-3D18-4C57-AB90-DD64F7A1A76A} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2868
      • C:\Windows\system32\wscript.EXE
        C:\Windows\system32\wscript.EXE BEHAVI~1.JS
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Windows\System32\cscript.exe
          "C:\Windows\System32\cscript.exe" "BEHAVI~1.JS"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2688
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Adobe\BEHAVI~1.JS

      Filesize

      45.1MB

      MD5

      2edcfcc1ffdbdfd1c2b31dfe573ccf88

      SHA1

      ab36ffc11cf18d5b4df8ce531bc5bff639cd0a7f

      SHA256

      22ddb03cc947756259473f69e151233610fb3cac1cd349d0bd5951ab06bb4a57

      SHA512

      b57cc495ba5f9db6f768fa7c8bac1369a74c9dadfd977c99650867c9f6f5fdc6e8f5cb329893ec2332e0a84fc5b73232022a631935c61da27ba36111be1536ba

    • memory/1516-7-0x000000001B500000-0x000000001B7E2000-memory.dmp

      Filesize

      2.9MB

    • memory/1516-8-0x0000000002630000-0x0000000002638000-memory.dmp

      Filesize

      32KB