Analysis

  • max time kernel
    43s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19-08-2021 09:03

General

  • Target

    83cc8405d694c0e1b3d7211202265f00.exe

  • Size

    1010KB

  • MD5

    83cc8405d694c0e1b3d7211202265f00

  • SHA1

    5195443ab0c20c2b192aa18e911a002363069c64

  • SHA256

    e2c11a82ce76ab32b7033c6d47081c6c44fe2288211fe0af6202f3333196cbe6

  • SHA512

    bae273059ca86bbd6b078a658c1002b6d148a9dd69d75fc5ad9472240c6b3fbf824a229f7184bfca1e5867a264db37b60c1ad25792747d1561f38764eb74138e

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

nff

C2

http://www.yellow-wink.com/nff/

Decoy

shinseikai.site

creditmystartup.com

howtovvbucks.com

betterfromthebeginning.com

oubacm.com

stonalogov.com

gentrypartyof8.com

cuesticksandsupplies.com

joelsavestheday.com

llanobnb.com

ecclogic.com

miempaque.com

cai23668.com

miscdr.net

twzhhq.com

bloomandbrewcafe.com

angcomleisure.com

mafeeboutique.com

300coin.club

brooksranchhomes.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe
    "C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe
      "C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe"
      2⤵
        PID:3304
      • C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe
        "C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe"
        2⤵
          PID:1068
        • C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe
          "C:\Users\Admin\AppData\Local\Temp\83cc8405d694c0e1b3d7211202265f00.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1176

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1176-125-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/1176-127-0x0000000001690000-0x00000000019B0000-memory.dmp
        Filesize

        3.1MB

      • memory/1176-126-0x000000000041EAF0-mapping.dmp
      • memory/3188-121-0x00000000058E0000-0x0000000005DDE000-memory.dmp
        Filesize

        5.0MB

      • memory/3188-119-0x00000000057C0000-0x00000000057C1000-memory.dmp
        Filesize

        4KB

      • memory/3188-120-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
        Filesize

        4KB

      • memory/3188-114-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
        Filesize

        4KB

      • memory/3188-122-0x0000000005B30000-0x0000000005B41000-memory.dmp
        Filesize

        68KB

      • memory/3188-123-0x0000000009040000-0x00000000090F0000-memory.dmp
        Filesize

        704KB

      • memory/3188-124-0x000000000B7E0000-0x000000000B823000-memory.dmp
        Filesize

        268KB

      • memory/3188-118-0x00000000058E0000-0x00000000058E1000-memory.dmp
        Filesize

        4KB

      • memory/3188-117-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
        Filesize

        4KB

      • memory/3188-116-0x0000000005840000-0x0000000005841000-memory.dmp
        Filesize

        4KB