Analysis

  • max time kernel
    116s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12/05/2022, 02:36

General

  • Target
    38bb52be5f33531c14022cc2d6c124d5.exe
  • Size 650KB
  • Sample220512-c3kmtsbcbk
  • SHA256 2e55e2c67fa00e3e955098409e3ee4037367af854f657cbbc83d5931b4355c36
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • n4w3

Decoy
  • fortune093.xyz

  • animuso.com

  • flylawfirm.com

  • healthya2ghee.com

  • catalyticconverterinsurance.com

  • rg6899rg6899.com

  • chezseneba.com

  • reason.center

  • bai315.com

  • e6pai.com

  • bollyholic.xyz

  • jobassistbd.com

  • k8yyds.com

  • ijinyuangamazon.com

  • mocalog.tech

  • buktibaru.com

  • cj1musicandsound.biz

  • liehutejingdui.top

  • izumi.fans

  • ykgbs.com

Signatures

  • Formbook

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

  • Formbook Payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe
    "C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:720
    • C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe
      "C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe"
      2⤵
        PID:788
      • C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe
        "C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe"
        2⤵
          PID:2960
        • C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe
          "C:\Users\Admin\AppData\Local\Temp\38bb52be5f33531c14022cc2d6c124d5.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2468

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/720-130-0x0000000000F40000-0x0000000000FE8000-memory.dmp

            memory/720-131-0x0000000005F60000-0x0000000006504000-memory.dmp

            memory/720-132-0x00000000059B0000-0x0000000005A42000-memory.dmp

            memory/720-133-0x0000000005970000-0x000000000597A000-memory.dmp

            memory/720-134-0x0000000001580000-0x000000000161C000-memory.dmp

            memory/720-135-0x0000000007B80000-0x0000000007BE6000-memory.dmp

            memory/2468-139-0x0000000000400000-0x000000000042F000-memory.dmp

            memory/2468-140-0x00000000018F0000-0x0000000001C3A000-memory.dmp