Analysis

  • max time kernel
    43s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-03-2023 16:23

General

  • Target

    APERTURA DEBANCOS.doc (323 KB).exe

  • Size

    722KB

  • MD5

    182bcaad3def25a94746b2d3208ad567

  • SHA1

    c1e652d582e1cd146c8faac376e05a8d13f1d878

  • SHA256

    54fde966426bdd3b101d43647e23f1ed4a527312982372af0cc6a5768fb386ed

  • SHA512

    155f370f0f476d4b94cfd6254077337c46f49c976320a71cb3eaad1a9296cf55aed7620338fe7a547c80175fbb3e75459d8238337db040cc907c4a19b21f3db0

  • SSDEEP

    12288:HoDzEcLL4ZjVUi0EosOijSmrXO9Ax3mIEDs0wvw1ajSxFrXhy:HG4s0jVLyijxZx2qI1ISxdXE

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

Signatures

  • Formbook

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

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Formbook payload 3 IoCs
  • ModiLoader Second Stage 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\APERTURA DEBANCOS.doc (323 KB).exe
      "C:\Users\Admin\AppData\Local\Temp\APERTURA DEBANCOS.doc (323 KB).exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Windows\SysWOW64\colorcpl.exe
        C:\Windows\System32\colorcpl.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3772
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Windows\SysWOW64\cmd.exe
        /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
        3⤵
          PID:2612
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:4444

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\DB1

        Filesize

        46KB

        MD5

        02d2c46697e3714e49f46b680b9a6b83

        SHA1

        84f98b56d49f01e9b6b76a4e21accf64fd319140

        SHA256

        522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

        SHA512

        60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

      • memory/952-133-0x00000000021D0000-0x00000000021FC000-memory.dmp

        Filesize

        176KB

      • memory/952-135-0x0000000002110000-0x0000000002111000-memory.dmp

        Filesize

        4KB

      • memory/952-136-0x0000000000400000-0x00000000004BD000-memory.dmp

        Filesize

        756KB

      • memory/952-144-0x0000000010410000-0x000000001043F000-memory.dmp

        Filesize

        188KB

      • memory/952-145-0x0000000010410000-0x000000001043F000-memory.dmp

        Filesize

        188KB

      • memory/2576-151-0x0000000008D20000-0x0000000008EAF000-memory.dmp

        Filesize

        1.6MB

      • memory/3772-150-0x0000000005580000-0x0000000005594000-memory.dmp

        Filesize

        80KB

      • memory/3772-149-0x00000000055D0000-0x000000000591A000-memory.dmp

        Filesize

        3.3MB

      • memory/3772-155-0x0000000010410000-0x000000001043F000-memory.dmp

        Filesize

        188KB

      • memory/3772-146-0x00000000051E0000-0x00000000051E1000-memory.dmp

        Filesize

        4KB

      • memory/4456-154-0x0000000000D50000-0x0000000000D57000-memory.dmp

        Filesize

        28KB

      • memory/4456-153-0x0000000000D50000-0x0000000000D57000-memory.dmp

        Filesize

        28KB

      • memory/4456-156-0x0000000000120000-0x000000000014F000-memory.dmp

        Filesize

        188KB

      • memory/4456-157-0x0000000000D60000-0x00000000010AA000-memory.dmp

        Filesize

        3.3MB

      • memory/4456-174-0x0000000000870000-0x0000000000903000-memory.dmp

        Filesize

        588KB