Analysis

  • max time kernel
    146s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06-05-2021 08:11

General

  • Target

    new order.exe

  • Size

    226KB

  • MD5

    98aeda5516413b7a6213680385f91f90

  • SHA1

    7065a8d97a5f29159f161dd184eedcf81e53c0d4

  • SHA256

    e47fa9824fd9f5f8e8b42fb02f53cfbf57b7c784d54c9e76ed247a9d297835cf

  • SHA512

    1d95a5f1b99a0061e8905919ed38d91855512f546c7287d04a27b705bc0b4ba8308de356777b37a61f8d0f295f4f2540eec4b7752acb66197a9c746b6a908155

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 18 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 AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\new order.exe
      "C:\Users\Admin\AppData\Local\Temp\new order.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Users\Admin\AppData\Local\Temp\new order.exe
        "C:\Users\Admin\AppData\Local\Temp\new order.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3968
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\new order.exe"
        3⤵
          PID:1280

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsb16EA.tmp\dlea4x9g.dll
      MD5

      89540f3124362fd0527f3bfbb2aa5f4a

      SHA1

      b32173300d930224f21c575d9e43eac95d74c166

      SHA256

      f441faf04a7ee611eb0869150ff775a3406de2c4c7484ea433ca5846ee960de8

      SHA512

      991c210c290a14704224002a742402eaba2dc844692e89ea8dd02d2c5ebcb5a808fd2d3815f12db52ca3bbf5dec83dbe8befff3771dc2c4f11538d5ba80b4eb0

    • memory/1280-124-0x0000000000000000-mapping.dmp
    • memory/2112-115-0x0000000002160000-0x0000000002183000-memory.dmp
      Filesize

      140KB

    • memory/2996-120-0x0000000004D10000-0x0000000004E90000-memory.dmp
      Filesize

      1.5MB

    • memory/2996-127-0x0000000002740000-0x00000000027F6000-memory.dmp
      Filesize

      728KB

    • memory/3012-122-0x0000000001080000-0x00000000010A7000-memory.dmp
      Filesize

      156KB

    • memory/3012-121-0x0000000000000000-mapping.dmp
    • memory/3012-123-0x0000000000900000-0x000000000092E000-memory.dmp
      Filesize

      184KB

    • memory/3012-125-0x0000000004A80000-0x0000000004DA0000-memory.dmp
      Filesize

      3.1MB

    • memory/3012-126-0x0000000004840000-0x00000000048D3000-memory.dmp
      Filesize

      588KB

    • memory/3968-118-0x0000000000A20000-0x0000000000D40000-memory.dmp
      Filesize

      3.1MB

    • memory/3968-119-0x00000000009F0000-0x0000000000A04000-memory.dmp
      Filesize

      80KB

    • memory/3968-117-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/3968-116-0x000000000041EAF0-mapping.dmp