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Analysis

  • max time kernel
    153s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 15:17

General

  • Target

    5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe

  • Size

    184KB

  • MD5

    a05c276308be85cf83c9203e1f913700

  • SHA1

    d877f37b3b626679c652cef69c5e89efbef303c6

  • SHA256

    5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8

  • SHA512

    5daab2daf74393ded5a9a4bd6d356c45b97f63eeca7b85f8c08c23b275a36cfed66a1ab3b78f6af0307f7f3fb7b1042f1d8c58b74d2010d3d70c34d04dc17cb9

  • SSDEEP

    3072:6DGXZ4xu7o897rl2Y4HpRSQ8nsl8Koay6VUSB:PGulF8HpRpAKoahVUs

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe
    "C:\Users\Admin\AppData\Local\Temp\5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\bexas.exe
      "C:\Users\Admin\bexas.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\bexas.exe

    Filesize

    184KB

    MD5

    0f3030d269e49fc93a9db3a64795204d

    SHA1

    cec86a06de9e8d9ca5d38b20075ed2606a799097

    SHA256

    fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9

    SHA512

    35e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a

  • C:\Users\Admin\bexas.exe

    Filesize

    184KB

    MD5

    0f3030d269e49fc93a9db3a64795204d

    SHA1

    cec86a06de9e8d9ca5d38b20075ed2606a799097

    SHA256

    fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9

    SHA512

    35e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a

  • \Users\Admin\bexas.exe

    Filesize

    184KB

    MD5

    0f3030d269e49fc93a9db3a64795204d

    SHA1

    cec86a06de9e8d9ca5d38b20075ed2606a799097

    SHA256

    fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9

    SHA512

    35e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a

  • \Users\Admin\bexas.exe

    Filesize

    184KB

    MD5

    0f3030d269e49fc93a9db3a64795204d

    SHA1

    cec86a06de9e8d9ca5d38b20075ed2606a799097

    SHA256

    fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9

    SHA512

    35e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a

  • memory/1720-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB