Analysis

  • max time kernel
    151s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:01

General

  • Target

    a994e4b9dd4a61a4a387b2a04ed299a7842a57d674d3e05002934ad29867570b.exe

  • Size

    288KB

  • MD5

    43848de123fc679e24f9b72564dec04c

  • SHA1

    9536b49224461b68068c74ce33646300e0574beb

  • SHA256

    a994e4b9dd4a61a4a387b2a04ed299a7842a57d674d3e05002934ad29867570b

  • SHA512

    df0cbe2143642d48f811f81a8c1d3030c069733801d2aec550656aacc4c9e5de51f0e5978a6f5a78192af5e4bd9743994a2b1e8b1f7fa6995127bf9c842febb6

  • SSDEEP

    6144:oIsiuvbGuOdn9Z/QmO6Ckobf3fGCmahGIUutj:duvbGuYnXQmO6Ckobf3fGCmahTUs

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 49 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\a994e4b9dd4a61a4a387b2a04ed299a7842a57d674d3e05002934ad29867570b.exe
    "C:\Users\Admin\AppData\Local\Temp\a994e4b9dd4a61a4a387b2a04ed299a7842a57d674d3e05002934ad29867570b.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:1240
    • C:\Users\Admin\joiseet.exe
      "C:\Users\Admin\joiseet.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:300

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\joiseet.exe

    Filesize

    288KB

    MD5

    61d3af2d1337387911daaa2f1835d56e

    SHA1

    2e909c1c6b16cefbe8a9376cac00e7438d1e7fb0

    SHA256

    ed4d6de3b65794a5c2f2bacd19f422f3e74bcf1d6ea580bac202ad2bf9b8a115

    SHA512

    a5675981b38fdd52c1c8fde696fc0d713d3855aa21f5a3e9ab85c4963ac7a9a06593f397e1979e3ceda230ae987de2daffd49af2d5ac5190805ae8834aa62dec

  • C:\Users\Admin\joiseet.exe

    Filesize

    288KB

    MD5

    61d3af2d1337387911daaa2f1835d56e

    SHA1

    2e909c1c6b16cefbe8a9376cac00e7438d1e7fb0

    SHA256

    ed4d6de3b65794a5c2f2bacd19f422f3e74bcf1d6ea580bac202ad2bf9b8a115

    SHA512

    a5675981b38fdd52c1c8fde696fc0d713d3855aa21f5a3e9ab85c4963ac7a9a06593f397e1979e3ceda230ae987de2daffd49af2d5ac5190805ae8834aa62dec

  • \Users\Admin\joiseet.exe

    Filesize

    288KB

    MD5

    61d3af2d1337387911daaa2f1835d56e

    SHA1

    2e909c1c6b16cefbe8a9376cac00e7438d1e7fb0

    SHA256

    ed4d6de3b65794a5c2f2bacd19f422f3e74bcf1d6ea580bac202ad2bf9b8a115

    SHA512

    a5675981b38fdd52c1c8fde696fc0d713d3855aa21f5a3e9ab85c4963ac7a9a06593f397e1979e3ceda230ae987de2daffd49af2d5ac5190805ae8834aa62dec

  • \Users\Admin\joiseet.exe

    Filesize

    288KB

    MD5

    61d3af2d1337387911daaa2f1835d56e

    SHA1

    2e909c1c6b16cefbe8a9376cac00e7438d1e7fb0

    SHA256

    ed4d6de3b65794a5c2f2bacd19f422f3e74bcf1d6ea580bac202ad2bf9b8a115

    SHA512

    a5675981b38fdd52c1c8fde696fc0d713d3855aa21f5a3e9ab85c4963ac7a9a06593f397e1979e3ceda230ae987de2daffd49af2d5ac5190805ae8834aa62dec

  • memory/300-62-0x0000000000000000-mapping.dmp

  • memory/300-67-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/300-70-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1240-56-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1240-57-0x0000000075001000-0x0000000075003000-memory.dmp

    Filesize

    8KB

  • memory/1240-58-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1240-60-0x0000000002DC0000-0x0000000002E08000-memory.dmp

    Filesize

    288KB

  • memory/1240-69-0x0000000002DC0000-0x0000000002E08000-memory.dmp

    Filesize

    288KB