Resubmissions

21-06-2024 17:49

240621-wea82ayeph 10

09-06-2024 09:22

240609-lb4fasgf3w 10

Analysis

  • max time kernel
    141s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-06-2024 17:49

General

  • Target

    e4bc1b6f2e541e90a1ed736284d2e383fcb739f10466b1fdd390211e01ed4dae.jar

  • Size

    123KB

  • MD5

    6a6bcf5dbe9ee0e68969958ca3565122

  • SHA1

    c515cd6309bdff8f1b7b996f0846eae3ea27b768

  • SHA256

    e4bc1b6f2e541e90a1ed736284d2e383fcb739f10466b1fdd390211e01ed4dae

  • SHA512

    2dc5021ce4e033a1ae67ec2905b3acb7b237c3a00bebe54b030f461675ceb570e738743348a889ea3400b7d01e6261edb5d835c4759914960ae29cbba98a00a6

  • SSDEEP

    3072:4+1ksmuRo+BmpH7Rx/inqhzlE0EP5vdRGXVIJeouw:2sHbmpRgnqhzPEP5vbGXiuw

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 6 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\e4bc1b6f2e541e90a1ed736284d2e383fcb739f10466b1fdd390211e01ed4dae.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\system32\wscript.exe
      wscript C:\Users\Admin\pzsjuirnnn.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:404
      • C:\Program Files\Java\jre7\bin\javaw.exe
        "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ufacnqibo.txt"
        3⤵
          PID:2624

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\ufacnqibo.txt
      Filesize

      92KB

      MD5

      40324e4190ca694d65c17b8142490c1e

      SHA1

      14f8a7fbd6580cc1146a04af95c37b6772bb5215

      SHA256

      943a982c65ebf476f6f454a95e4f8105f6c89d3e90d638113f718a208aa51db0

      SHA512

      885107f66e0441f1d14ae4f193bcacea831f46872ec74501d82f29af7e51731714acf8a63fce72dac557c20c6cd15d1e77734e3fa443bc28dd3cda5aca22f5b7

    • C:\Users\Admin\pzsjuirnnn.js
      Filesize

      204KB

      MD5

      df07d5680a1bcd9a5af8a5a1b6b52598

      SHA1

      b070b44d630ae454c34419e65d38850ee2ca6bfb

      SHA256

      1d10f4534674ce86f17ec22da471f3d472da1f6a15348238e4e289f0e0e4c0e0

      SHA512

      e1f742db062e02773a9cde941607b512bc97ac68f09bb2e249492303f28011116bcfab10c84f596cef45c7fd39da01f2715ba3ea6f8f429c984ac896ed821ee6

    • memory/1504-2-0x0000000002660000-0x00000000028D0000-memory.dmp
      Filesize

      2.4MB

    • memory/1504-12-0x0000000000240000-0x0000000000241000-memory.dmp
      Filesize

      4KB

    • memory/1504-13-0x0000000002660000-0x00000000028D0000-memory.dmp
      Filesize

      2.4MB

    • memory/2624-44-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-56-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-34-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-19-0x00000000023A0000-0x0000000002610000-memory.dmp
      Filesize

      2.4MB

    • memory/2624-49-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-52-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-54-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-27-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-90-0x00000000023A0000-0x0000000002610000-memory.dmp
      Filesize

      2.4MB

    • memory/2624-92-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-98-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-99-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-102-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/2624-106-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB