Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    06-05-2021 12:02

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
  • Deletes itself 1 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 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1272
    • 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:2040
      • 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:1988
    • 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:368
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\NEW ODER.exe"
        3⤵
        • Deletes itself
        PID:2004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsn2F8A.tmp\aj28.dll

    MD5

    3a2c0cbf7b078a932352865c9c3ccc04

    SHA1

    79d95f00557a629f1008ef44b961437772092864

    SHA256

    e67bc472ae4eacd5543ade899c75dc7a7d703f0e5a9663de35ad5b28808410da

    SHA512

    5136b1538c5784abaaef9c8d81ac32c9d2f768d459d30e47d581127ee741f319a49e1bfeff5a9f4acca683f4447a1581d3ed92ac980fa80f71ee2a577df36a59

  • memory/368-76-0x0000000000620000-0x00000000006B3000-memory.dmp

    Filesize

    588KB

  • memory/368-75-0x00000000020F0000-0x00000000023F3000-memory.dmp

    Filesize

    3.0MB

  • memory/368-73-0x00000000000C0000-0x00000000000EE000-memory.dmp

    Filesize

    184KB

  • memory/368-72-0x0000000000CE0000-0x0000000000CEA000-memory.dmp

    Filesize

    40KB

  • memory/368-70-0x0000000000000000-mapping.dmp

  • memory/1272-69-0x00000000062E0000-0x0000000006416000-memory.dmp

    Filesize

    1.2MB

  • memory/1272-77-0x0000000006A10000-0x0000000006AF3000-memory.dmp

    Filesize

    908KB

  • memory/1272-67-0x0000000006110000-0x000000000620A000-memory.dmp

    Filesize

    1000KB

  • memory/1988-64-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1988-68-0x0000000000390000-0x00000000003A4000-memory.dmp

    Filesize

    80KB

  • memory/1988-66-0x0000000000340000-0x0000000000354000-memory.dmp

    Filesize

    80KB

  • memory/1988-65-0x00000000008D0000-0x0000000000BD3000-memory.dmp

    Filesize

    3.0MB

  • memory/1988-62-0x000000000041EAF0-mapping.dmp

  • memory/2004-74-0x0000000000000000-mapping.dmp

  • memory/2040-60-0x0000000076281000-0x0000000076283000-memory.dmp

    Filesize

    8KB

  • memory/2040-63-0x00000000002F0000-0x00000000002F2000-memory.dmp

    Filesize

    8KB