Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2023 10:22

General

  • Target

    Halkbank,pdf.exe

  • Size

    748KB

  • MD5

    3e0ff29b04ce9b6ca93fe26eae5ea271

  • SHA1

    c9c29504bd24e3c7ac591ec1312e32a9c5623a3f

  • SHA256

    f79a020cedb43bbd1f4948a2566d081fed934d56f871741d2548f792e8800e7b

  • SHA512

    3e9e18cd7addfa2b7cf8cfc4ccb5bc7da55ff2951c72456dd57b653e239cbbabc265871da0674a8f9251150b94ba045aa95f2413669dac4163f21fabeb5046f9

  • SSDEEP

    12288:k9posleqpoUIGApUa0h3hnzEcWjPX8UBhxE1q1feA+rsnKrFEcFXL1GH/h8:kEsMzG9Zhz0rDDxQq1febr

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gg62

Decoy

growfast.africa

lerema.com

38945.se

wheelfermotors.africa

giftshareforyou.online

burrismktg.com

keepgrowing.uk

efefhomeless.buzz

bryanokoh.com

fashion-clothing-40094.com

andreasunshine.com

naijahood.africa

aditrirealty.com

kinnoitodatsumou.com

cryptoqzclimax.com

hairly.biz

comeuphither4.com

integrity360.ltd

flushywhole.com

8869365.com

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"
        3⤵
          PID:1648
        • C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:5052
      • C:\Windows\SysWOW64\raserver.exe
        "C:\Windows\SysWOW64\raserver.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:904
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"
          3⤵
            PID:3392

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/904-144-0x0000000000000000-mapping.dmp
      • memory/904-152-0x0000000000C20000-0x0000000000C4F000-memory.dmp
        Filesize

        188KB

      • memory/904-150-0x0000000002A40000-0x0000000002AD3000-memory.dmp
        Filesize

        588KB

      • memory/904-149-0x0000000002C00000-0x0000000002F4A000-memory.dmp
        Filesize

        3.3MB

      • memory/904-147-0x0000000000DB0000-0x0000000000DCF000-memory.dmp
        Filesize

        124KB

      • memory/904-148-0x0000000000C20000-0x0000000000C4F000-memory.dmp
        Filesize

        188KB

      • memory/1648-137-0x0000000000000000-mapping.dmp
      • memory/2556-143-0x0000000008940000-0x0000000008AD3000-memory.dmp
        Filesize

        1.6MB

      • memory/2556-153-0x0000000008CA0000-0x0000000008E1F000-memory.dmp
        Filesize

        1.5MB

      • memory/2556-151-0x0000000008CA0000-0x0000000008E1F000-memory.dmp
        Filesize

        1.5MB

      • memory/3392-146-0x0000000000000000-mapping.dmp
      • memory/4532-132-0x0000000000160000-0x0000000000220000-memory.dmp
        Filesize

        768KB

      • memory/4532-136-0x0000000008A20000-0x0000000008ABC000-memory.dmp
        Filesize

        624KB

      • memory/4532-135-0x0000000004BA0000-0x0000000004BAA000-memory.dmp
        Filesize

        40KB

      • memory/4532-134-0x0000000004C20000-0x0000000004CB2000-memory.dmp
        Filesize

        584KB

      • memory/4532-133-0x00000000051D0000-0x0000000005774000-memory.dmp
        Filesize

        5.6MB

      • memory/5052-138-0x0000000000000000-mapping.dmp
      • memory/5052-145-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/5052-139-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/5052-142-0x00000000017B0000-0x00000000017C4000-memory.dmp
        Filesize

        80KB

      • memory/5052-141-0x0000000001870000-0x0000000001BBA000-memory.dmp
        Filesize

        3.3MB