Analysis

  • max time kernel
    106s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    24/11/2021, 19:32

General

  • Target
    0e8ecafcc4dac9129241e73027dc38d6.exe
  • Size 296KB
  • Sample211124-x8y3maggd8
  • SHA256 9df726f24b0a1282ca604a08a4648f527dae3e61712ea3954305362dc3ef4e10
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • jy0b

C2
  • http://www.filecrev.com/jy0b/

Decoy
  • lamejorimagen.com

  • mykabukibrush.com

  • modgon.com

  • barefoottherapeutics.com

  • shimpeg.net

  • trade-sniper.com

  • chiangkhancityhotel.com

  • joblessmoni.club

  • stespritsubways.com

  • chico-group.com

  • nni8.xyz

  • searchtypically.online

  • jobsyork.com

  • bestsales-crypto.com

  • iqmarketing.info

  • bullcityphotobooths.com

  • fwssc.icu

  • 1oc87s.icu

  • usdiesel.xyz

  • secrets2optimumnutrition.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e8ecafcc4dac9129241e73027dc38d6.exe
    "C:\Users\Admin\AppData\Local\Temp\0e8ecafcc4dac9129241e73027dc38d6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\0e8ecafcc4dac9129241e73027dc38d6.exe
      "C:\Users\Admin\AppData\Local\Temp\0e8ecafcc4dac9129241e73027dc38d6.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4480

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4480-116-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/4480-118-0x00000000009C0000-0x0000000000CE0000-memory.dmp