Analysis

  • max time kernel
    46s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2022 08:44

General

  • Target

    SecuriteInfo.com.Win32.BootkitX-gen.24031.exe

  • Size

    972KB

  • MD5

    3e336e588f8433c914b415a282d14b0b

  • SHA1

    a5b36cf34d9ab4aca8b07a723848dd1dfcc755a4

  • SHA256

    a88e5d5fb17e50a25cf6dfe2512fc45cc3f712dccccee2d08ee7d1dac7086e5e

  • SHA512

    542aed70db8435e595b4552cf8c8abb97bfc02ce0702c28a6758a5dd184cd6418bd86f70b4055be2392b6dce12e2629d98a380d24dfcf2e9978b7bd70ae71e0f

  • SSDEEP

    24576:1HneAr5UNl6hdN/qq0Ztypw9bN+Oz2jrl:1HTiPkJPTOz2t

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba17

Decoy

bearwant.com

sdsguanfang.com

steamcommunityvia.top

sugarplumtreasures.com

koronislakefishing.com

jmae.xyz

xhxnqemkiqe.xyz

playzcrew.com

zatwsbq.com

lankofix.com

sh-zhepeng.com

mibodamisxv.online

butterflyjewelry.store

finestrecitalto-spottoday.info

globomateria.com

royalmdarts.com

d4af10836709.com

shepwill.com

67aldrich.info

trustedmakers.club

Signatures

  • Formbook

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

  • Formbook payload 2 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BootkitX-gen.24031.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BootkitX-gen.24031.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KcmLjIjULbXH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F9C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:852
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BootkitX-gen.24031.exe
      "{path}"
      2⤵
        PID:1292
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BootkitX-gen.24031.exe
        "{path}"
        2⤵
          PID:1148
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BootkitX-gen.24031.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1796

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp7F9C.tmp
        Filesize

        1KB

        MD5

        b0598b0c60e378e58cd7d255309b0163

        SHA1

        09c9cedd68fcd6468f00a85d9f5b21286664bdca

        SHA256

        ddfd302c92b4448d5ea6d19d518e5df44636cc86ea85627dc48835993d1fa155

        SHA512

        5a70625d805b6af2392bdfadfbc1f50a89e2f81f7da9dcc50204997eaf48052d7ab12f744c68ad6dc1d10155f86b8e2822b6a4269aebb08f27c598ceab448496

      • memory/756-54-0x0000000000160000-0x000000000025A000-memory.dmp
        Filesize

        1000KB

      • memory/756-55-0x0000000075831000-0x0000000075833000-memory.dmp
        Filesize

        8KB

      • memory/756-56-0x0000000000410000-0x0000000000430000-memory.dmp
        Filesize

        128KB

      • memory/756-57-0x0000000005C80000-0x0000000005D40000-memory.dmp
        Filesize

        768KB

      • memory/756-58-0x0000000004370000-0x00000000043E0000-memory.dmp
        Filesize

        448KB

      • memory/852-59-0x0000000000000000-mapping.dmp
      • memory/1796-61-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/1796-62-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/1796-64-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/1796-65-0x000000000041F1E0-mapping.dmp
      • memory/1796-66-0x0000000000970000-0x0000000000C73000-memory.dmp
        Filesize

        3.0MB