Analysis

  • max time kernel
    121s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2023 23:10

General

  • Target

    PURCHASE001.exe

  • Size

    876KB

  • MD5

    73fb99c411ecc3783a6f8ca99c4b38d3

  • SHA1

    0fac050f30927c0bdb6a59b629a28e9d9277b741

  • SHA256

    be67380a29f7a6441a097d6921cf5c7348bc0ed6d20844b7ec662c24d96c82a5

  • SHA512

    115b8e5b9327b5040aa128cb27df87a21d39e283514ee27b6385566c97f3741b4fb2bf31a8ae9ac013a5faca3613654b6d8fcbf7e67ddaa8a1c36b722c258b67

  • SSDEEP

    12288:NtN+qFRD49GYo3EU9Aj4aNJqzSiMpV+j5fnur1/AUiXZSGjrJ3xigV:NLX89GZ9NaLlpo5S7oZ//J3L

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h3sc

Decoy

seemessage.com

bitlab.website

cheesestuff.ru

bhartiyafitness.com

bardapps.com

l7a4.com

chiara-samatanga.com

lesrollintioup.com

dropwc.com

mackey242.com

rackksfresheggs.com

thinkvlog.com

aidmedicalassist.com

firehousepickleball.net

sifreyonetici.com

teka-mart.com

ddttzone.xyz

macfeeupdate.com

ivocastillo.com

serjayparks.com

Signatures

  • Formbook

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

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Formbook payload 2 IoCs
  • ModiLoader Second Stage 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE001.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE001.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\SysWOW64\wscript.exe
        C:\Windows\System32\wscript.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1924
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
        PID:664

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1244-72-0x0000000004C50000-0x0000000004D55000-memory.dmp

      Filesize

      1.0MB

    • memory/1924-71-0x0000000000580000-0x0000000000595000-memory.dmp

      Filesize

      84KB

    • memory/1924-62-0x0000000010410000-0x000000001043F000-memory.dmp

      Filesize

      188KB

    • memory/1924-63-0x0000000000300000-0x0000000000301000-memory.dmp

      Filesize

      4KB

    • memory/1924-65-0x0000000000410000-0x0000000000411000-memory.dmp

      Filesize

      4KB

    • memory/1924-68-0x0000000003200000-0x0000000003503000-memory.dmp

      Filesize

      3.0MB

    • memory/1924-69-0x0000000010410000-0x000000001043F000-memory.dmp

      Filesize

      188KB

    • memory/1924-73-0x0000000000580000-0x0000000000595000-memory.dmp

      Filesize

      84KB

    • memory/1992-57-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/1992-60-0x0000000010410000-0x000000001043F000-memory.dmp

      Filesize

      188KB

    • memory/1992-61-0x0000000010410000-0x000000001043F000-memory.dmp

      Filesize

      188KB

    • memory/1992-54-0x00000000003A0000-0x00000000003F9000-memory.dmp

      Filesize

      356KB

    • memory/1992-56-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB