Analysis

  • max time kernel
    147s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20/03/2024, 02:18

General

  • Target

    d7a608aaf2ec63923028b50241b19306.exe

  • Size

    51KB

  • MD5

    d7a608aaf2ec63923028b50241b19306

  • SHA1

    1d36cadaef67331e2ef47ada19b58ffe0acd6223

  • SHA256

    29cee7059bd7162123366e042496db1a2ca9269cb0da7cbf68a7b8cc1786971f

  • SHA512

    6367b177c72d85e4cdeb888af574d4654851d5f32bb16d8a24be3c778d3b2b744f4f9bda7f6a0476fa8004cc27ed343041c6df751cf8c4d58c41a9a21293d71b

  • SSDEEP

    768:T4MyM2qInH6JBbb6sywWtMzO0MaWrNCBKkItpAi6a0hNKDB0QHs6r0ej:tQ/aJlRynMzPybsiGhNKBHsW0ej

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7a608aaf2ec63923028b50241b19306.exe
    "C:\Users\Admin\AppData\Local\Temp\d7a608aaf2ec63923028b50241b19306.exe"
    1⤵
    • Adds policy Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\svchost.exe

    Filesize

    51KB

    MD5

    d7a608aaf2ec63923028b50241b19306

    SHA1

    1d36cadaef67331e2ef47ada19b58ffe0acd6223

    SHA256

    29cee7059bd7162123366e042496db1a2ca9269cb0da7cbf68a7b8cc1786971f

    SHA512

    6367b177c72d85e4cdeb888af574d4654851d5f32bb16d8a24be3c778d3b2b744f4f9bda7f6a0476fa8004cc27ed343041c6df751cf8c4d58c41a9a21293d71b

  • memory/1660-0-0x0000000013140000-0x000000001317D000-memory.dmp

    Filesize

    244KB

  • memory/1660-6-0x0000000002B70000-0x0000000002BAD000-memory.dmp

    Filesize

    244KB

  • memory/1660-11-0x0000000013140000-0x000000001317D000-memory.dmp

    Filesize

    244KB

  • memory/3004-15-0x0000000013140000-0x000000001317D000-memory.dmp

    Filesize

    244KB

  • memory/3004-16-0x0000000013140000-0x000000001317D000-memory.dmp

    Filesize

    244KB

  • memory/3004-17-0x0000000013140000-0x000000001317D000-memory.dmp

    Filesize

    244KB