Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06-05-2021 11:53

General

  • Target

    NEW ODER.exe

  • Size

    225KB

  • MD5

    a995d24b27548f0215eaa0d87dc140c3

  • SHA1

    d2adc518df40843623413b5d5310ea4069fdba2e

  • SHA256

    859db52a7e6fdf6f93350d27b7917853b8b88a2536721328ff60a98f59a93b91

  • SHA512

    693d6532465d4bbf3d5f67473bdc539ec255bbc6a7950ae7a170a7a2dc8eee8a7c16f471fb210d8f492aea8e038e9f794207354906c231216bfd81cfd2e897ac

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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 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:2460
    • C:\Users\Admin\AppData\Local\Temp\NEW ODER.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW ODER.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Users\Admin\AppData\Local\Temp\NEW ODER.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW ODER.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1392
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3556
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\NEW ODER.exe"
        3⤵
          PID:3984

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsiE9D.tmp\aj28.dll
      MD5

      3a2c0cbf7b078a932352865c9c3ccc04

      SHA1

      79d95f00557a629f1008ef44b961437772092864

      SHA256

      e67bc472ae4eacd5543ade899c75dc7a7d703f0e5a9663de35ad5b28808410da

      SHA512

      5136b1538c5784abaaef9c8d81ac32c9d2f768d459d30e47d581127ee741f319a49e1bfeff5a9f4acca683f4447a1581d3ed92ac980fa80f71ee2a577df36a59

    • memory/1392-121-0x0000000000A20000-0x0000000000A34000-memory.dmp
      Filesize

      80KB

    • memory/1392-117-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1392-118-0x0000000000A40000-0x0000000000D60000-memory.dmp
      Filesize

      3.1MB

    • memory/1392-119-0x00000000005F0000-0x0000000000604000-memory.dmp
      Filesize

      80KB

    • memory/1392-115-0x000000000041EAF0-mapping.dmp
    • memory/2460-129-0x00000000026D0000-0x00000000027BA000-memory.dmp
      Filesize

      936KB

    • memory/2460-120-0x0000000005AD0000-0x0000000005BC9000-memory.dmp
      Filesize

      996KB

    • memory/2460-122-0x0000000005F50000-0x00000000060CC000-memory.dmp
      Filesize

      1.5MB

    • memory/3232-116-0x0000000000AC0000-0x0000000000AE3000-memory.dmp
      Filesize

      140KB

    • memory/3556-123-0x0000000000000000-mapping.dmp
    • memory/3556-126-0x00000000030C0000-0x00000000030EE000-memory.dmp
      Filesize

      184KB

    • memory/3556-125-0x0000000000AD0000-0x0000000000ADB000-memory.dmp
      Filesize

      44KB

    • memory/3556-127-0x00000000035B0000-0x00000000038D0000-memory.dmp
      Filesize

      3.1MB

    • memory/3556-128-0x0000000003410000-0x00000000034A3000-memory.dmp
      Filesize

      588KB

    • memory/3984-124-0x0000000000000000-mapping.dmp