Analysis

  • max time kernel
    147s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    08/11/2021, 04:30

General

  • Target
    Purchase Order.exe
  • Size 980KB
  • Sample211108-e4tm8sbcd6
  • SHA256 b6ca9c2cfe348caed404d0718fc0d6cb89ff38c5851663077fc69e64944424cf
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • r4gk

C2
  • http://www.aprilsaak.quest/r4gk/

Decoy
  • quantalix.com

  • animalblog-eggs.com

  • 039skz.xyz

  • guttas.net

  • lasantadayparty.com

  • protegerfinanceservices.com

  • vixtest.xyz

  • digitaleconomy.global

  • 0xpax.xyz

  • mobilehome1688.com

  • themotionpartners.com

  • valueney.com

  • hattuafhv.quest

  • js0061gj.net

  • 360metaverse.biz

  • seculardata.com

  • 346727688.xyz

  • smartmapom.com

  • moksel.com

  • exoduswatchco.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4568
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4720
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
        3⤵
          PID:440

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/3056-130-0x0000000004D20000-0x0000000004E26000-memory.dmp

          memory/3056-137-0x00000000026F0000-0x00000000027E9000-memory.dmp

          memory/4332-117-0x0000000005C90000-0x0000000005C91000-memory.dmp

          memory/4332-118-0x0000000005840000-0x0000000005841000-memory.dmp

          memory/4332-119-0x0000000005790000-0x0000000005C8E000-memory.dmp

          memory/4332-120-0x00000000058F0000-0x00000000058F1000-memory.dmp

          memory/4332-121-0x0000000007FD0000-0x0000000007FD1000-memory.dmp

          memory/4332-122-0x0000000007CB0000-0x0000000007CB7000-memory.dmp

          memory/4332-123-0x0000000009590000-0x0000000009591000-memory.dmp

          memory/4332-124-0x00000000094F0000-0x000000000953B000-memory.dmp

          memory/4332-115-0x0000000000F00000-0x0000000000F01000-memory.dmp

          memory/4568-128-0x0000000000FF0000-0x0000000001310000-memory.dmp

          memory/4568-129-0x0000000000F40000-0x0000000000F54000-memory.dmp

          memory/4568-125-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/4720-132-0x0000000000360000-0x0000000000379000-memory.dmp

          memory/4720-133-0x0000000003090000-0x00000000030BF000-memory.dmp

          memory/4720-135-0x00000000045C0000-0x00000000048E0000-memory.dmp

          memory/4720-136-0x0000000004980000-0x0000000004A13000-memory.dmp