Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 23:08

General

  • Target

    4408e746a84f919722c745fd18680729ae35c7305af31265f91998c0ebd1bf2a.exe

  • Size

    420KB

  • MD5

    fc6216d94c6f336fcab7fc83802d599c

  • SHA1

    8f27c01f5f8ec2e18b7f31154ab7028aaee6ae5a

  • SHA256

    4408e746a84f919722c745fd18680729ae35c7305af31265f91998c0ebd1bf2a

  • SHA512

    ef29aac8acee18742b8862360159de8e2250d66ebbda6501764580faabbf0fff7e931d089e17306c6f8cc771d8cdc74dee13ab50310aa260507661661ff08ae0

  • SSDEEP

    6144:6wWhjqFk7qFoQudlhiP5+6yCtfGiIAZFG:6f+2QudeYr0F

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4408e746a84f919722c745fd18680729ae35c7305af31265f91998c0ebd1bf2a.exe
    "C:\Users\Admin\AppData\Local\Temp\4408e746a84f919722c745fd18680729ae35c7305af31265f91998c0ebd1bf2a.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\hbbif.exe
      "C:\Users\Admin\hbbif.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:4844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hbbif.exe

    Filesize

    420KB

    MD5

    c592b9ad18cbb7f12f6592e1bcfbe0ff

    SHA1

    e662b27f7942dca3410556090f7df7dc0d62a573

    SHA256

    971b6900e265f166a34ccd223bb4ea5cbb70506d7590b33383d91c7752a31972

    SHA512

    c679314964dbe9d673f9a74a8cd285f6e208a42c4ee290b85eb1882f2ef6b879d1c04a2add366b6636d58c6a6b27c24633389931500cf72902eb72c32f52645b

  • C:\Users\Admin\hbbif.exe

    Filesize

    420KB

    MD5

    c592b9ad18cbb7f12f6592e1bcfbe0ff

    SHA1

    e662b27f7942dca3410556090f7df7dc0d62a573

    SHA256

    971b6900e265f166a34ccd223bb4ea5cbb70506d7590b33383d91c7752a31972

    SHA512

    c679314964dbe9d673f9a74a8cd285f6e208a42c4ee290b85eb1882f2ef6b879d1c04a2add366b6636d58c6a6b27c24633389931500cf72902eb72c32f52645b