Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 00:10

General

  • Target

    838fd0952b9a1c39314fe8cd94bf526347600ae8d8b39c078e0ceaaa4e942a1bN.exe

  • Size

    45KB

  • MD5

    c42a6a1dc50f8a6cca084699c6d3e370

  • SHA1

    701cedbd9d2b3995eb7177c8e731b7048f6c2c93

  • SHA256

    838fd0952b9a1c39314fe8cd94bf526347600ae8d8b39c078e0ceaaa4e942a1b

  • SHA512

    52cc8c832b1972d8dd74c167eb75974936dc58dd0b4f7ab295f0c1003315d8d59ed71f3b49580612dc86ce357d52a911722e068ce949a76da864756320999735

  • SSDEEP

    768:9qSqC8+N5ozQQtncwxWmNXMX3cX8tcXmcX8/XrX8/uU3:9rqfzQQtamN88xjm7c73

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.tripod.com
  • Port:
    21
  • Username:
    onthelinux
  • Password:
    741852abc

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\838fd0952b9a1c39314fe8cd94bf526347600ae8d8b39c078e0ceaaa4e942a1bN.exe
    "C:\Users\Admin\AppData\Local\Temp\838fd0952b9a1c39314fe8cd94bf526347600ae8d8b39c078e0ceaaa4e942a1bN.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Program Files (x86)\e4f9239f\jusched.exe
      "C:\Program Files (x86)\e4f9239f\jusched.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\e4f9239f\e4f9239f

    Filesize

    13B

    MD5

    f253efe302d32ab264a76e0ce65be769

    SHA1

    768685ca582abd0af2fbb57ca37752aa98c9372b

    SHA256

    49dca65f362fee401292ed7ada96f96295eab1e589c52e4e66bf4aedda715fdd

    SHA512

    1990d20b462406bbadb22ba43f1ed9d0db6b250881d4ac89ad8cf6e43ca92b2fd31c3a15be1e6e149e42fdb46e58122c15bc7869a82c9490656c80df69fa77c4

  • C:\Program Files (x86)\e4f9239f\jusched.exe

    Filesize

    45KB

    MD5

    57fca604b181a67102aa7b94e7437848

    SHA1

    bdad3b397ddac5a37cc0457fc1784b316fb88fcb

    SHA256

    1fd5164ace7cc1abe7359913e0d0dbb6fd0e6828896dcda6b21fa7924d50d973

    SHA512

    d16e7d2f69ce2d6a1711fdb82276af04a2e1a0a3b99afc2e5846e87c3ca47010cba787e2a40f88b1c44e30ca4a029b2dc9419ec8612236acc8c30614c5b08d18

  • memory/1516-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1516-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1516-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2092-0-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2092-5-0x0000000000401000-0x0000000000406000-memory.dmp

    Filesize

    20KB

  • memory/2092-2-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2092-1-0x0000000000610000-0x0000000000613000-memory.dmp

    Filesize

    12KB

  • memory/2092-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB