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Analysis

  • max time kernel
    146s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 19:17

General

  • Target

    1cf620b5f6a51170f40e8ecf35dfc70b643a170140a3f87c0a79fb946d6ace96.exe

  • Size

    205KB

  • MD5

    f4b030d8f06fcdeab6dbc5a8d90ea949

  • SHA1

    c433438398b9dc5644dc5244255b592098069d8e

  • SHA256

    1cf620b5f6a51170f40e8ecf35dfc70b643a170140a3f87c0a79fb946d6ace96

  • SHA512

    7de46b5fa25dac43206df4b468cb3773828e46d3c38945d0eae49735812ac8e4974d53093f59333cd7f4d689887bf105df0a53d0c76a80b131a77b0137de2702

  • SSDEEP

    3072:0IXqry+d3DxQcv7zhWPk65Ui8BhmqjNj8DCUNUO42YwHdKpUUzE0mu87Gw:dQCcv7Mk6bgL5jMCeU3dRCUI0mu8

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cf620b5f6a51170f40e8ecf35dfc70b643a170140a3f87c0a79fb946d6ace96.exe
    "C:\Users\Admin\AppData\Local\Temp\1cf620b5f6a51170f40e8ecf35dfc70b643a170140a3f87c0a79fb946d6ace96.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Windows\system32\sshnas21.dll,GetHandle
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Twain001.Mtx

    Filesize

    2B

    MD5

    309fc7d3bc53bb63ac42e359260ac740

    SHA1

    2064f80f811db79a33c4e51c10221454e30c74ae

    SHA256

    ac11339ffa8f270c4f781e0a3922bb1c80d9dee6e4b6911ca34538ed9ae03caa

    SHA512

    77dd27d30f4e13a0bcd6fd27ae7567c136d87393e5ee632bccf05b0a0d2bbcc2fc0fd777a8508e26cc4fc579c8da0ab56b7bf179b1adc70f28f7d0eee89fa5f8

  • \Windows\SysWOW64\sshnas21.dll

    Filesize

    168KB

    MD5

    5561492e551cda26b5fdf17b5faecb4e

    SHA1

    ad0e6164209356188cf3b95a16054ca886833ce5

    SHA256

    0cd32a6cc630577699fea8629e02d32508a5dafd93d5337ced72aefbf129fe7c

    SHA512

    3c8bf9d10371e75b3ca308e97b70be246c3a60c99d99847e0472ed9c88b1fdc19108a306b3fa3cdd45bddbae2f9c5cdaad0bfa4d41903866588f35b78cabbb61

  • memory/1232-24-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-23-0x0000000074780000-0x000000007478F000-memory.dmp

    Filesize

    60KB

  • memory/1232-48-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-46-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-44-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-20-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-19-0x00000000002E0000-0x00000000002F3000-memory.dmp

    Filesize

    76KB

  • memory/1232-28-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-26-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-22-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-42-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-40-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-21-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-30-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-32-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-34-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-36-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1232-38-0x0000000010000000-0x000000001005A000-memory.dmp

    Filesize

    360KB

  • memory/1580-2-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1580-8-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/1580-1-0x0000000000370000-0x0000000000395000-memory.dmp

    Filesize

    148KB

  • memory/1580-10-0x0000000074A80000-0x0000000074A8F000-memory.dmp

    Filesize

    60KB

  • memory/1580-11-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB