Analysis

  • max time kernel
    150s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 10:28

General

  • Target

    23c0dc2bc05fea98d53a8abcece52f88d95273e068e733dc5a38cce47a8a4c1e.exe

  • Size

    212KB

  • MD5

    4c378acf5c11a25c7c3377ada09fb2ac

  • SHA1

    842ab9bf9337e45a626e89674ee35602f7c063a1

  • SHA256

    23c0dc2bc05fea98d53a8abcece52f88d95273e068e733dc5a38cce47a8a4c1e

  • SHA512

    c65b7eeb0c318e73ec0af83bfee6fb7be4c9115b739230417aec55e4a1cd4bd4dccb24790e8e6bfe4dda0de05d3235387380fdde71ddc1a8137370938a538f34

  • SSDEEP

    1536:wodH3UyOEGYf+u2wW4cd9Lv2PElgW7NoN274B/K51UtaHElfTczpqVar1/AgAIS:jUxS+Dzp+GNoN2I0jASrB

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\23c0dc2bc05fea98d53a8abcece52f88d95273e068e733dc5a38cce47a8a4c1e.exe
    "C:\Users\Admin\AppData\Local\Temp\23c0dc2bc05fea98d53a8abcece52f88d95273e068e733dc5a38cce47a8a4c1e.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:1324
    • C:\Users\Admin\tlsib.exe
      "C:\Users\Admin\tlsib.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:1276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\tlsib.exe

    Filesize

    212KB

    MD5

    04b3a4d0b3d7f975ca1e3f94161b1d21

    SHA1

    424710ef84f7f45de616e7db1093315a19c79e95

    SHA256

    793c5122068e55ac53ef7044c664328e687219764c28b57b90bd5bbf5b5728c9

    SHA512

    185fd1f493b5a9112a6c0d709d92b47510138f7f83feaf45e96ed179419bbdb10e359275424c81f248ac4827029c0d6723b87824b95b26155197be4bbf1922bf

  • C:\Users\Admin\tlsib.exe

    Filesize

    212KB

    MD5

    04b3a4d0b3d7f975ca1e3f94161b1d21

    SHA1

    424710ef84f7f45de616e7db1093315a19c79e95

    SHA256

    793c5122068e55ac53ef7044c664328e687219764c28b57b90bd5bbf5b5728c9

    SHA512

    185fd1f493b5a9112a6c0d709d92b47510138f7f83feaf45e96ed179419bbdb10e359275424c81f248ac4827029c0d6723b87824b95b26155197be4bbf1922bf

  • \Users\Admin\tlsib.exe

    Filesize

    212KB

    MD5

    04b3a4d0b3d7f975ca1e3f94161b1d21

    SHA1

    424710ef84f7f45de616e7db1093315a19c79e95

    SHA256

    793c5122068e55ac53ef7044c664328e687219764c28b57b90bd5bbf5b5728c9

    SHA512

    185fd1f493b5a9112a6c0d709d92b47510138f7f83feaf45e96ed179419bbdb10e359275424c81f248ac4827029c0d6723b87824b95b26155197be4bbf1922bf

  • \Users\Admin\tlsib.exe

    Filesize

    212KB

    MD5

    04b3a4d0b3d7f975ca1e3f94161b1d21

    SHA1

    424710ef84f7f45de616e7db1093315a19c79e95

    SHA256

    793c5122068e55ac53ef7044c664328e687219764c28b57b90bd5bbf5b5728c9

    SHA512

    185fd1f493b5a9112a6c0d709d92b47510138f7f83feaf45e96ed179419bbdb10e359275424c81f248ac4827029c0d6723b87824b95b26155197be4bbf1922bf

  • memory/1276-67-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/1276-71-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/1324-56-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/1324-57-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB

  • memory/1324-65-0x0000000002E20000-0x0000000002E66000-memory.dmp

    Filesize

    280KB

  • memory/1324-66-0x0000000002E20000-0x0000000002E66000-memory.dmp

    Filesize

    280KB

  • memory/1324-69-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/1324-70-0x0000000002E20000-0x0000000002E66000-memory.dmp

    Filesize

    280KB