Resubmissions

24-01-2025 21:43

250124-1kyzha1nhr 10

24-01-2025 21:41

250124-1j76sazna1 10

24-01-2025 21:40

250124-1jejga1naq 10

Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 21:40

General

  • Target

    Fortnite/vosfn.exe

  • Size

    21.3MB

  • MD5

    9ba7486280499dc54dff9a02b80baac6

  • SHA1

    cca0585028bce98398c39b885ba4461a7b5b6ea1

  • SHA256

    1a6e578000faaaf8b3ba921009ac9208480d33cf0e08b6bec9781c9f684fb237

  • SHA512

    3d61aee358117c4e3420314bf5669994e7ce862bc354e129ce120d66bfd7a201ac6da779dea8257349e75b2fc5976d595dbf8a2db1e535f472e7a2469ffb2a25

  • SSDEEP

    393216:ymkILbJ6LmC8+ocQtN2dZQmyfcnXThRleRso9urEUWjC3zDbF4frp:yxcILmC8BcQ72dZQoXde68dbCp4f9

Score
7/10
upx

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fortnite\vosfn.exe
    "C:\Users\Admin\AppData\Local\Temp\Fortnite\vosfn.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\Fortnite\vosfn.exe
      "C:\Users\Admin\AppData\Local\Temp\Fortnite\vosfn.exe"
      2⤵
      • Loads dropped DLL
      PID:2752

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI28282\python311.dll

    Filesize

    1.6MB

    MD5

    ccdbd8027f165575a66245f8e9d140de

    SHA1

    d91786422ce1f1ad35c528d1c4cd28b753a81550

    SHA256

    503cd34daed4f6d320731b368bbd940dbac1ff7003321a47d81d81d199cca971

    SHA512

    870b54e4468db682b669887aeef1ffe496f3f69b219bda2405ac502d2dcd67b6542db6190ea6774abf1db5a7db429ce8f6d2fc5e88363569f15cf4df78da2311

  • memory/2752-24-0x000007FEF6AE0000-0x000007FEF70D2000-memory.dmp

    Filesize

    5.9MB

  • memory/2752-46-0x000007FEF6AE0000-0x000007FEF70D2000-memory.dmp

    Filesize

    5.9MB