Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2024 14:06

General

  • Target

    Tax Returns of R38,765.js

  • Size

    747KB

  • MD5

    aec675686e9a47abf1026ed8dcf85172

  • SHA1

    2b312c1d0bc6337fc4df54b3a3a5be13826abe31

  • SHA256

    546b59d194d0ac048683cdab497999d37c35faa0963ff5fc29ba45213f5b06fd

  • SHA512

    396bd76e0c5606ad8e8b58b13ebade55fb1046060ac676871cb73fb59e0059fc7ee14022a666ac1c40972a2317a027a35c884433b8f4e6bf4504cd104aa313e7

  • SSDEEP

    768:HQ9LkBoWpiK6th3rC5VWqJKOgTE+t0PpK6kXb7KmjggRiz9faAqB4U6Ige5TPaHL:HQcOqFRQJs1xXGC1z/b

Score
3/10

Malware Config

Signatures

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

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Tax Returns of R38,765.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Program Files\Java\jre7\bin\javaw.exe
      "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\jnbift.txt"
      2⤵
        PID:2100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\jnbift.txt

      Filesize

      92KB

      MD5

      2cc7e15396dc275497fcf51f461da38d

      SHA1

      6fa0f11b6d9e3812a86ff1d43a86ad34bfc41062

      SHA256

      e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48

      SHA512

      daf71473c48f9592d33a49ff2f6d7b84e2c3a992f18a29979494cae86623328f0137c6ae9046cf3bbeb75d90d2a030d1fdbf3aca8718ea769429ce1e6e4a931f

    • memory/2100-4-0x0000000002580000-0x00000000027F0000-memory.dmp

      Filesize

      2.4MB

    • memory/2100-12-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-19-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-26-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-27-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-38-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-39-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-40-0x0000000002580000-0x00000000027F0000-memory.dmp

      Filesize

      2.4MB

    • memory/2100-42-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-44-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-75-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-79-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-81-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-88-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-89-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-91-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-92-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-94-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-99-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2100-103-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB