Analysis

  • max time kernel
    146s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26/04/2021, 05:33

General

  • Target
    Proforma Fatura INV98767894.PDF.exe
  • Size 810KB
  • Sample210426-d2rdqmc2ys
  • SHA256 738ab100dc0c1db979bc68b02da95d90f59b0da83a5f4fb89d6c140ffac1517b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

C2
  • http://www.supinapp.com/grv/

Decoy
  • morganofatlanta.com

  • vz473.com

  • hengetelt.com

  • bailcally.com

  • virtuosoonline.com

  • tenthousandli.com

  • ohanamascota.com

  • digi-plates.com

  • prismagtech.com

  • we-cinema.com

  • 372680.com

  • smartautoexpert.xyz

  • mrxzg.com

  • apartment-brussels.com

  • reverseincubator.com

  • linkasean.com

  • yummicrabva.com

  • diguchaye.com

  • reaktorfatura.com

  • thecatsaysno.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\Proforma Fatura INV98767894.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Proforma Fatura INV98767894.PDF.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Users\Admin\AppData\Local\Temp\Proforma Fatura INV98767894.PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\Proforma Fatura INV98767894.PDF.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1340
    • C:\Windows\SysWOW64\cmmon32.exe
      "C:\Windows\SysWOW64\cmmon32.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Proforma Fatura INV98767894.PDF.exe"
        3⤵
        • Deletes itself
        PID:1628

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1096-77-0x00000000009E0000-0x0000000000A73000-memory.dmp

        memory/1096-76-0x0000000002030000-0x0000000002333000-memory.dmp

        memory/1096-75-0x00000000000E0000-0x000000000010E000-memory.dmp

        memory/1096-74-0x0000000000C20000-0x0000000000C2D000-memory.dmp

        memory/1252-71-0x0000000006BD0000-0x0000000006CCA000-memory.dmp

        memory/1252-78-0x0000000007D50000-0x0000000007ED3000-memory.dmp

        memory/1340-70-0x00000000001D0000-0x00000000001E4000-memory.dmp

        memory/1340-69-0x0000000000860000-0x0000000000B63000-memory.dmp

        memory/1340-66-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/1944-60-0x0000000001250000-0x0000000001251000-memory.dmp

        memory/1944-65-0x0000000006180000-0x00000000061FF000-memory.dmp

        memory/1944-64-0x00000000060C0000-0x0000000006180000-memory.dmp

        memory/1944-63-0x0000000000490000-0x000000000049D000-memory.dmp

        memory/1944-62-0x0000000005240000-0x0000000005241000-memory.dmp