Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    03-05-2021 11:02

General

  • Target

    REQUEST FOR NEW ORDER AND SPECIFICATIONS.exe

  • Size

    280KB

  • MD5

    6317a0b98ebd6f0ba716fc1b73b4bf31

  • SHA1

    6f593ad2588b2ca2e561f0b47c9654df9fd95932

  • SHA256

    a2e99d0aabd8f0ad83b885eccf313563526a58b2da435bf34dad29294c712efe

  • SHA512

    e29265b8cc385be1c86751dd04dd2a70d727e8e298cd0d0ca250c2c6515c8d1c189511c564de11cf9c3c85d3efed1e23f7ad4b91bcca156b6b7c4341195f449a

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.knighttechinca.com/dxe/

Decoy

sardarfarm.com

959tremont.com

privat-livecam.net

ansel-homebakery.com

joysupermarket.com

peninsulamatchmakers.net

northsytyle.com

radioconexaoubermusic.com

relocatingrealtor.com

desyrnan.com

onlinehoortoestel.online

enpointe.online

rvvikings.com

paulpoirier.com

shitarpa.net

kerneis.net

rokitreach.com

essentiallygaia.com

prestiged.net

fuerzaagavera.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR NEW ORDER AND SPECIFICATIONS.exe
      "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR NEW ORDER AND SPECIFICATIONS.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3680
      • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR NEW ORDER AND SPECIFICATIONS.exe
        "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR NEW ORDER AND SPECIFICATIONS.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2612
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:744
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR NEW ORDER AND SPECIFICATIONS.exe"
        3⤵
          PID:3456

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsy2860.tmp\2g6ght2plrugud.dll

      MD5

      64ade443342d3aa3790c2846abf93959

      SHA1

      d6668f6881d40dc3dc3d1f627f2721e1d333e698

      SHA256

      ea1deb95fa6614524006ee3260957aef27ebd563f609dde680cace5f2ea09e45

      SHA512

      2fdce6c768ded710d6d011be5317b184a09e10058145bdff545e83df63f5e0f46db4f679161174397b37d0fb2f43abe7275405845742e4a73bc6ef995edf4845

    • memory/744-121-0x0000000000000000-mapping.dmp

    • memory/744-126-0x0000000003560000-0x00000000035F3000-memory.dmp

      Filesize

      588KB

    • memory/744-125-0x0000000003600000-0x0000000003920000-memory.dmp

      Filesize

      3.1MB

    • memory/744-123-0x0000000000D90000-0x0000000000DE9000-memory.dmp

      Filesize

      356KB

    • memory/744-124-0x0000000000C10000-0x0000000000C3E000-memory.dmp

      Filesize

      184KB

    • memory/2612-117-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/2612-118-0x0000000000A80000-0x0000000000DA0000-memory.dmp

      Filesize

      3.1MB

    • memory/2612-119-0x0000000000500000-0x000000000064A000-memory.dmp

      Filesize

      1.3MB

    • memory/2612-116-0x000000000041EAF0-mapping.dmp

    • memory/3040-120-0x00000000057D0000-0x000000000595F000-memory.dmp

      Filesize

      1.6MB

    • memory/3040-127-0x0000000005960000-0x0000000005A46000-memory.dmp

      Filesize

      920KB

    • memory/3456-122-0x0000000000000000-mapping.dmp

    • memory/3680-115-0x0000000002360000-0x0000000002362000-memory.dmp

      Filesize

      8KB