Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2023 00:57

General

  • Target

    Setup.exe

  • Size

    2.0MB

  • MD5

    da3638acf41bb0da82a4cd5dc834d203

  • SHA1

    62a555bc137ccb298ce605675ab2a314be323f8d

  • SHA256

    987f9f948e966c24b41683ca7af8b0af29aeb62a2a4df516c14ca4d47c1fdb15

  • SHA512

    218814f9c373bce49cd1e83e8837375320118100797541f96c91d6a037f97ba89dfd87f92d34760e9e4a6aa6ded20551cb726b775c396c68e466718a5948d16d

  • SSDEEP

    24576:o7FUDowAyrTVE3U5FQjK63PkBjunqNHhSeLmByr/kOpgBAY7HQY5wq:oBuZrEUr63PcjunqZhSeLmzOW+YlB

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 63 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Users\Admin\AppData\Local\Temp\is-SA6TN.tmp\Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SA6TN.tmp\Setup.tmp" /SL5="$80056,1187328,0,C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-SA6TN.tmp\Setup.tmp

    Filesize

    3.4MB

    MD5

    0a2249b158aee8b2e7f57445f7e491d5

    SHA1

    d2751197ffa9bde4f3928abcdbe7e4f651f63828

    SHA256

    e15be1a143a8376d9e12ab396d5aba3fa977435bdad5d3667b2e493686d8fe8c

    SHA512

    81ff07aee27fb77f58dc1c3b3eba0e8efbb37b855519c0ee7a94c9fb81727af794649dedd934e288abaf670a6236ee72dde3bff2a5620038da6009ea1bc389e6

  • C:\Users\Admin\AppData\Local\Temp\is-SA6TN.tmp\Setup.tmp

    Filesize

    3.4MB

    MD5

    0a2249b158aee8b2e7f57445f7e491d5

    SHA1

    d2751197ffa9bde4f3928abcdbe7e4f651f63828

    SHA256

    e15be1a143a8376d9e12ab396d5aba3fa977435bdad5d3667b2e493686d8fe8c

    SHA512

    81ff07aee27fb77f58dc1c3b3eba0e8efbb37b855519c0ee7a94c9fb81727af794649dedd934e288abaf670a6236ee72dde3bff2a5620038da6009ea1bc389e6

  • memory/2728-132-0x0000000000400000-0x000000000052F000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-134-0x0000000000400000-0x000000000052F000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-137-0x0000000000400000-0x000000000052F000-memory.dmp

    Filesize

    1.2MB

  • memory/2728-139-0x0000000000400000-0x000000000052F000-memory.dmp

    Filesize

    1.2MB