Analysis

  • max time kernel
    172s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:56

General

  • Target

    09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe

  • Size

    190KB

  • MD5

    42f8720babf6023d3dc12b289833a2e0

  • SHA1

    9850b915e50b25909cbf4b0b8989c1c019ba91ab

  • SHA256

    09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d

  • SHA512

    0e54a8c89575bd2aa651591b0ea9039f87669f6d0e08da5a06e8614837d9ada91ae40e566db1390a40da25109378e0887dd86eb88a62afb6ab3d85fe972b7504

  • SSDEEP

    1536:pvVQb4cLIkN+4Weat2RKLjWlC48Pp9JAcjrSrowuCS:pvVQLIkLWeaA8KlCph9Growur

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.byethost12.com
  • Port:
    21
  • Username:
    b12_8082975
  • Password:
    951753zx

Extracted

Credentials

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

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe
    "C:\Users\Admin\AppData\Local\Temp\09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Program Files (x86)\8e716a8f\jusched.exe
      "C:\Program Files (x86)\8e716a8f\jusched.exe"
      2⤵
      • Executes dropped EXE
      PID:3680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\8e716a8f\8e716a8f

    Filesize

    17B

    MD5

    7bdf61d37c9adf3e1c6937107016091f

    SHA1

    56b8e0c454f9dd16d508a04b3afa7e458453ac41

    SHA256

    4c57d86c256214baa0a5a3322ef5cdd575210455b7e964ad60382bd9d4be12e0

    SHA512

    ff4fc1a427c84f47042375749f45ee6edea73b902ae977f14243ebceb7b9a28f41fe5dd404e3ea381754d9122202bc6b61ed0152b20a1c1be76c225dd20861d1

  • C:\Program Files (x86)\8e716a8f\jusched.exe

    Filesize

    190KB

    MD5

    45cb22a757c7caa828e4bd1b8a66d555

    SHA1

    92af2ba00093e653b088f9f0cef882fd105bfe8c

    SHA256

    7e85e584ccc8384a41c0786477ef09f28b7642ea8c18d3e94ac4d8d208b66d8b

    SHA512

    424560bf8e690608d8abef39704b866a150b6ab893210d15e0ee22907a9159c8b7a1c2c41a43cebe6aeaf724c004ecb7d56eaa357c6097b53b53272e06828ba0

  • C:\Program Files (x86)\8e716a8f\jusched.exe

    Filesize

    190KB

    MD5

    45cb22a757c7caa828e4bd1b8a66d555

    SHA1

    92af2ba00093e653b088f9f0cef882fd105bfe8c

    SHA256

    7e85e584ccc8384a41c0786477ef09f28b7642ea8c18d3e94ac4d8d208b66d8b

    SHA512

    424560bf8e690608d8abef39704b866a150b6ab893210d15e0ee22907a9159c8b7a1c2c41a43cebe6aeaf724c004ecb7d56eaa357c6097b53b53272e06828ba0

  • memory/1044-132-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1044-135-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3680-133-0x0000000000000000-mapping.dmp

  • memory/3680-137-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3680-139-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB