Analysis

  • max time kernel
    152s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 03:20

General

  • Target

    7c738b55640b065a33a7e4dd251eaaa2218ad88585e8ab9820c6b822f5ddcfaa.exe

  • Size

    60KB

  • MD5

    559a9fa12abf31d0a3882ada3b3e914c

  • SHA1

    58fa144adab194de0f7a644299a98f1cd8693a08

  • SHA256

    7c738b55640b065a33a7e4dd251eaaa2218ad88585e8ab9820c6b822f5ddcfaa

  • SHA512

    4b8ac14a52cdd4eb944f972f62f4d0beda80dfe1ff1f53133f87bb13955ca7563b0c82f1cd9ac4e7b947ac37de75e98c62cc1f42dac1d60c529571e2a2e88fe4

  • SSDEEP

    1536:VZIThxeVnBvmiINMK9VmZxrUOjD5MJ3hg:shmS45D5M

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 51 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c738b55640b065a33a7e4dd251eaaa2218ad88585e8ab9820c6b822f5ddcfaa.exe
    "C:\Users\Admin\AppData\Local\Temp\7c738b55640b065a33a7e4dd251eaaa2218ad88585e8ab9820c6b822f5ddcfaa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\voaweo.exe
      "C:\Users\Admin\voaweo.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
      • Suspicious use of WriteProcessMemory
      PID:1908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\voaweo.exe

    Filesize

    60KB

    MD5

    195a2ccf1305dde5721206c29305223f

    SHA1

    ab38d260a42b0682ff8b87fd6f3011a51cd018fe

    SHA256

    b73299b1ea1ed287dc27ebd62dbf9aca9dc13e1f1917a149da2ff3b76f690407

    SHA512

    6f4e8ccbb0ce8b97182b3d49af1ac3946274f73f9e4ed781495c6fe1ab23a854bce3830a6d0b22849f0e71dbb3b33ee0a0bd4e692cea251868605887545e5990

  • C:\Users\Admin\voaweo.exe

    Filesize

    60KB

    MD5

    195a2ccf1305dde5721206c29305223f

    SHA1

    ab38d260a42b0682ff8b87fd6f3011a51cd018fe

    SHA256

    b73299b1ea1ed287dc27ebd62dbf9aca9dc13e1f1917a149da2ff3b76f690407

    SHA512

    6f4e8ccbb0ce8b97182b3d49af1ac3946274f73f9e4ed781495c6fe1ab23a854bce3830a6d0b22849f0e71dbb3b33ee0a0bd4e692cea251868605887545e5990

  • \Users\Admin\voaweo.exe

    Filesize

    60KB

    MD5

    195a2ccf1305dde5721206c29305223f

    SHA1

    ab38d260a42b0682ff8b87fd6f3011a51cd018fe

    SHA256

    b73299b1ea1ed287dc27ebd62dbf9aca9dc13e1f1917a149da2ff3b76f690407

    SHA512

    6f4e8ccbb0ce8b97182b3d49af1ac3946274f73f9e4ed781495c6fe1ab23a854bce3830a6d0b22849f0e71dbb3b33ee0a0bd4e692cea251868605887545e5990

  • \Users\Admin\voaweo.exe

    Filesize

    60KB

    MD5

    195a2ccf1305dde5721206c29305223f

    SHA1

    ab38d260a42b0682ff8b87fd6f3011a51cd018fe

    SHA256

    b73299b1ea1ed287dc27ebd62dbf9aca9dc13e1f1917a149da2ff3b76f690407

    SHA512

    6f4e8ccbb0ce8b97182b3d49af1ac3946274f73f9e4ed781495c6fe1ab23a854bce3830a6d0b22849f0e71dbb3b33ee0a0bd4e692cea251868605887545e5990

  • memory/952-56-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

    Filesize

    8KB