Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2024, 00:23

General

  • Target
    fdfe87ea16167c820e1f028863255461_JaffaCakes118.exe
  • Size 1.1MB
  • Sample240421-apmtxsec5t
  • SHA256 c0539a35a9ebb41625cd128739d8d3f1c84681b97691a0b77148fc66343d9018
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • bcak

Decoy
  • shizixiudian.com

  • thetimemerchants.com

  • rafflere.com

  • amosiagongbang.com

  • pikantepikariko.com

  • nationaltodaytv.com

  • anjielo.net

  • atlerz.com

  • cloudteamthree.com

  • cafelegume.com

  • gvniypqiy.icu

  • xn--schuldenzsurgesetz-ttb.info

  • jlxrcm.com

  • flowcraftnetworks.com

  • viberiokno-online.com

  • guisese66.com

  • farmaciaavicena.com

  • sealedgamescompany.com

  • eastonwestinc.com

  • szwmsz.com

Signatures

  • Formbook

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

  • CustAttr .NET packer 2 IoCs

    Detects CustAttr .NET packer in memory.

  • Formbook payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdfe87ea16167c820e1f028863255461_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdfe87ea16167c820e1f028863255461_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Users\Admin\AppData\Local\Temp\fdfe87ea16167c820e1f028863255461_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\fdfe87ea16167c820e1f028863255461_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:624

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/624-13-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/624-17-0x00000000019D0000-0x0000000001D1A000-memory.dmp

        memory/624-16-0x00000000019D0000-0x0000000001D1A000-memory.dmp

        memory/1136-8-0x0000000004B60000-0x0000000004B72000-memory.dmp

        memory/1136-10-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

        memory/1136-5-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

        memory/1136-6-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

        memory/1136-7-0x0000000004C10000-0x0000000004C66000-memory.dmp

        memory/1136-0-0x00000000000C0000-0x00000000001D6000-memory.dmp

        memory/1136-9-0x0000000074650000-0x0000000074E00000-memory.dmp

        memory/1136-4-0x0000000004B70000-0x0000000004C02000-memory.dmp

        memory/1136-11-0x0000000006390000-0x000000000640C000-memory.dmp

        memory/1136-12-0x0000000006450000-0x0000000006484000-memory.dmp

        memory/1136-3-0x0000000005080000-0x0000000005624000-memory.dmp

        memory/1136-15-0x0000000074650000-0x0000000074E00000-memory.dmp

        memory/1136-2-0x0000000004A30000-0x0000000004ACC000-memory.dmp

        memory/1136-1-0x0000000074650000-0x0000000074E00000-memory.dmp