Analysis

  • max time kernel
    187s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2022 03:36

General

  • Target

    be8955d1866df136d283565eec56e3da0b61dfddc8f5ee2872df9c0588256635.exe

  • Size

    284KB

  • MD5

    f690d87290080a6341ac2f82dfd86493

  • SHA1

    4293bebb1e0b61752084b59241e422dd690776e3

  • SHA256

    be8955d1866df136d283565eec56e3da0b61dfddc8f5ee2872df9c0588256635

  • SHA512

    646d614d16f5e7258672d4a2c8f66e93b2682c94cf580613122dcf2df9745459b21006ba2a4c812c277dead42e3922f2541d2b1661e7652397ccda8d438b353a

  • SSDEEP

    6144:Lm56QcxQRhNyKQ9ezwA2Rv4gnw+lJVomcEk9dk/FLGY+Kt/dPLsx02Gf6vIqGnu8:FjVIrbQdnHcllaXYDoDM3flUaE

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 55 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\be8955d1866df136d283565eec56e3da0b61dfddc8f5ee2872df9c0588256635.exe
    "C:\Users\Admin\AppData\Local\Temp\be8955d1866df136d283565eec56e3da0b61dfddc8f5ee2872df9c0588256635.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:1020
    • C:\Users\Admin\vuahi.exe
      "C:\Users\Admin\vuahi.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:1252

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\vuahi.exe

    Filesize

    284KB

    MD5

    1f6fd431841961fa59df142fd1c24ead

    SHA1

    e87313f5ca84fae9cdc17bb638955343c89d410e

    SHA256

    dd4826da7ad307246303cc65edf1754ae7d2d31cc9e1e0b3645e858cc9c02fef

    SHA512

    1e4ea09e31e90e1e62dcb82aeeee764ebe2e51eb9f2d506a6dcfde1fca666c6ee071cc6494d370d18bcfcc899efc9375427854142e9ab5d0e8aeedff71100b68

  • C:\Users\Admin\vuahi.exe

    Filesize

    284KB

    MD5

    1f6fd431841961fa59df142fd1c24ead

    SHA1

    e87313f5ca84fae9cdc17bb638955343c89d410e

    SHA256

    dd4826da7ad307246303cc65edf1754ae7d2d31cc9e1e0b3645e858cc9c02fef

    SHA512

    1e4ea09e31e90e1e62dcb82aeeee764ebe2e51eb9f2d506a6dcfde1fca666c6ee071cc6494d370d18bcfcc899efc9375427854142e9ab5d0e8aeedff71100b68

  • \Users\Admin\vuahi.exe

    Filesize

    284KB

    MD5

    1f6fd431841961fa59df142fd1c24ead

    SHA1

    e87313f5ca84fae9cdc17bb638955343c89d410e

    SHA256

    dd4826da7ad307246303cc65edf1754ae7d2d31cc9e1e0b3645e858cc9c02fef

    SHA512

    1e4ea09e31e90e1e62dcb82aeeee764ebe2e51eb9f2d506a6dcfde1fca666c6ee071cc6494d370d18bcfcc899efc9375427854142e9ab5d0e8aeedff71100b68

  • \Users\Admin\vuahi.exe

    Filesize

    284KB

    MD5

    1f6fd431841961fa59df142fd1c24ead

    SHA1

    e87313f5ca84fae9cdc17bb638955343c89d410e

    SHA256

    dd4826da7ad307246303cc65edf1754ae7d2d31cc9e1e0b3645e858cc9c02fef

    SHA512

    1e4ea09e31e90e1e62dcb82aeeee764ebe2e51eb9f2d506a6dcfde1fca666c6ee071cc6494d370d18bcfcc899efc9375427854142e9ab5d0e8aeedff71100b68

  • memory/1020-56-0x0000000075981000-0x0000000075983000-memory.dmp

    Filesize

    8KB