Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:34

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 6 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:968
      • 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:1536
    • 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:892
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Halkbank,pdf.exe"
        3⤵
        • Deletes itself
        PID:288

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/288-79-0x0000000000000000-mapping.dmp
  • memory/892-78-0x0000000002140000-0x0000000002443000-memory.dmp
    Filesize

    3.0MB

  • memory/892-76-0x0000000000D20000-0x0000000000D3C000-memory.dmp
    Filesize

    112KB

  • memory/892-82-0x0000000000080000-0x00000000000AF000-memory.dmp
    Filesize

    188KB

  • memory/892-77-0x0000000000080000-0x00000000000AF000-memory.dmp
    Filesize

    188KB

  • memory/892-80-0x0000000000980000-0x0000000000A13000-memory.dmp
    Filesize

    588KB

  • memory/892-73-0x0000000000000000-mapping.dmp
  • memory/968-57-0x00000000004B0000-0x00000000004BA000-memory.dmp
    Filesize

    40KB

  • memory/968-58-0x0000000005010000-0x0000000005080000-memory.dmp
    Filesize

    448KB

  • memory/968-54-0x00000000000C0000-0x0000000000180000-memory.dmp
    Filesize

    768KB

  • memory/968-56-0x0000000000370000-0x0000000000380000-memory.dmp
    Filesize

    64KB

  • memory/968-59-0x0000000001F80000-0x0000000001FB6000-memory.dmp
    Filesize

    216KB

  • memory/968-55-0x0000000075501000-0x0000000075503000-memory.dmp
    Filesize

    8KB

  • memory/1224-81-0x0000000004B50000-0x0000000004C69000-memory.dmp
    Filesize

    1.1MB

  • memory/1224-69-0x0000000006B70000-0x0000000006CF3000-memory.dmp
    Filesize

    1.5MB

  • memory/1224-72-0x0000000003B70000-0x0000000003C77000-memory.dmp
    Filesize

    1.0MB

  • memory/1224-83-0x0000000004B50000-0x0000000004C69000-memory.dmp
    Filesize

    1.1MB

  • memory/1536-60-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1536-74-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1536-71-0x0000000000290000-0x00000000002A4000-memory.dmp
    Filesize

    80KB

  • memory/1536-68-0x00000000001F0000-0x0000000000204000-memory.dmp
    Filesize

    80KB

  • memory/1536-67-0x00000000009E0000-0x0000000000CE3000-memory.dmp
    Filesize

    3.0MB

  • memory/1536-66-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1536-64-0x000000000041F0B0-mapping.dmp
  • memory/1536-63-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1536-61-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB