Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    16-01-2021 07:37

General

  • Target

    YUAN PAYMENT.exe

  • Size

    1.2MB

  • MD5

    c3548520f4207f36dff807aaca9374d7

  • SHA1

    a9e11e5e8624b789a8e7dd2d6b4e8d8a86b8fae5

  • SHA256

    098a33a70506458d7e349d06aac9ca3e3a2a3f73efa39d82942eeff3adc24509

  • SHA512

    5260a481fb96f905782b3e65db67d6e7e7216ca39da05980b724af1acbb2681ff69a405f5999f0e2685b9c20a7a833f0ed3a56ca512e99e08507305b84e9df25

Malware Config

Extracted

Family

formbook

C2

http://www.a-emeservice.com/m8ec/

Decoy

thomascraigwealth.com

melbournemedicalhealth.net

tdxcoin.com

lukassbprojects.net

aldemallc.com

moqawalat-kuwait.com

txcsco.com

jobcarepro.com

sedotwcmedanmurah.com

niconthenine.com

radliffrehab.com

infiniteechogroup.com

stellantis-luxury-rent.com

ibusehat.info

resellerauctions.com

softwarexprogrammers.com

bumpnlifestyle.com

mintmacher.com

partapprintercare.com

justrightinsurance.com

Signatures

  • Formbook

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

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\YUAN PAYMENT.exe
      "C:\Users\Admin\AppData\Local\Temp\YUAN PAYMENT.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Users\Admin\AppData\Local\Temp\YUAN PAYMENT.exe
        "C:\Users\Admin\AppData\Local\Temp\YUAN PAYMENT.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1268
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\YUAN PAYMENT.exe"
        3⤵
          PID:3932

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1268-12-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1268-13-0x000000000041D0A0-mapping.dmp
    • memory/3932-17-0x0000000000000000-mapping.dmp
    • memory/3960-16-0x0000000000050000-0x0000000000057000-memory.dmp
      Filesize

      28KB

    • memory/3960-15-0x0000000000050000-0x0000000000057000-memory.dmp
      Filesize

      28KB

    • memory/3960-14-0x0000000000000000-mapping.dmp
    • memory/3988-6-0x0000000007CB0000-0x0000000007CB1000-memory.dmp
      Filesize

      4KB

    • memory/3988-10-0x0000000002B60000-0x0000000002B73000-memory.dmp
      Filesize

      76KB

    • memory/3988-11-0x0000000000F70000-0x0000000000FD5000-memory.dmp
      Filesize

      404KB

    • memory/3988-9-0x0000000007A10000-0x0000000007A11000-memory.dmp
      Filesize

      4KB

    • memory/3988-8-0x00000000077D0000-0x00000000077D1000-memory.dmp
      Filesize

      4KB

    • memory/3988-7-0x0000000007850000-0x0000000007851000-memory.dmp
      Filesize

      4KB

    • memory/3988-2-0x00000000738E0000-0x0000000073FCE000-memory.dmp
      Filesize

      6.9MB

    • memory/3988-5-0x0000000007710000-0x0000000007711000-memory.dmp
      Filesize

      4KB

    • memory/3988-3-0x0000000000900000-0x0000000000901000-memory.dmp
      Filesize

      4KB