Resubmissions

10/01/2022, 14:31

220110-rvq7zaedc210

10/01/2022, 14:20

220110-rne65aefer10

Analysis

  • max time kernel
    152s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    10/01/2022, 14:20

General

  • Target
    aguerozx.exe
  • Size 758KB
  • Sample220110-rne65aefer
  • SHA256 3dceeaa794d1b8b67ba67c57820ba13f8078801c589747426b0562b5ebf411ca
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • a83r

Decoy
  • comercializadoralonso.com

  • durhamschoolservces.com

  • onegreencapital.com

  • smartcities24.com

  • maquinas.store

  • brianlovesbonsai.com

  • xin41518s.com

  • moneyearnus.xyz

  • be-mix.com

  • fengyat.club

  • inspectdecided.xyz

  • paksafpakistan.com

  • orhidlnt.top

  • princesuraj.com

  • vietnamvodka.com

  • renewnow.site

  • imageservices.xyz

  • luxurytravelfranchise.com

  • kp112.red

  • royalyorkfirewood.com

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 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:3064
    • C:\Users\Admin\AppData\Local\Temp\aguerozx.exe
      "C:\Users\Admin\AppData\Local\Temp\aguerozx.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3880
      • C:\Users\Admin\AppData\Local\Temp\aguerozx.exe
        "C:\Users\Admin\AppData\Local\Temp\aguerozx.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3500
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\aguerozx.exe"
        3⤵
          PID:2600

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1444-137-0x0000000003730000-0x00000000037C3000-memory.dmp

          memory/1444-134-0x0000000000860000-0x0000000000877000-memory.dmp

          memory/1444-136-0x0000000003410000-0x0000000003730000-memory.dmp

          memory/1444-135-0x0000000002FC0000-0x0000000002FEF000-memory.dmp

          memory/3064-138-0x0000000004D60000-0x0000000004E86000-memory.dmp

          memory/3064-131-0x00000000028A0000-0x000000000295A000-memory.dmp

          memory/3500-130-0x0000000001150000-0x0000000001164000-memory.dmp

          memory/3500-129-0x00000000011A0000-0x00000000014C0000-memory.dmp

          memory/3500-126-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/3880-120-0x0000000005A60000-0x0000000005A6A000-memory.dmp

          memory/3880-125-0x0000000009890000-0x00000000098F6000-memory.dmp

          memory/3880-124-0x00000000097F0000-0x000000000988C000-memory.dmp

          memory/3880-123-0x0000000009480000-0x00000000094CB000-memory.dmp

          memory/3880-122-0x0000000009470000-0x000000000947E000-memory.dmp

          memory/3880-121-0x0000000005A50000-0x0000000005A51000-memory.dmp

          memory/3880-115-0x0000000000FD0000-0x0000000001096000-memory.dmp

          memory/3880-119-0x0000000005B50000-0x0000000005EA0000-memory.dmp

          memory/3880-118-0x0000000005AB0000-0x0000000005B42000-memory.dmp

          memory/3880-117-0x0000000005FB0000-0x00000000064AE000-memory.dmp

          memory/3880-116-0x0000000000FD0000-0x0000000001096000-memory.dmp