Resubmissions

19-01-2021 19:04

210119-xh2whbp67e 10

19-01-2021 13:01

210119-g3xne1nhpa 10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-01-2021 13:01

General

  • Target

    dGWioTejLEz0eVM.exe

  • Size

    1.5MB

  • MD5

    25ed69d3ea7c4da59aa0a482ee4b6ab5

  • SHA1

    a2e4f6b50343a85ade04e9d168b0a8cc9cfd9af5

  • SHA256

    f1cb70b8963d11aab0392a24161c0851f2d320d62aa101c3f960bcf0d7d94619

  • SHA512

    51f66bb3b175192b824493df2ea5c99f47a3224751d3bc3ef057c5649c152ef47bd8c82f2d3f041de9bf3808c1822db2206e84b6fa98392755fcfa2e641ff75a

Malware Config

Extracted

Family

formbook

C2

http://www.besteprobioticakopen.online/uszn/

Decoy

animegriptape.com

pcpnetworks.com

putupmybabyforadoption.com

xn--jvrr98g37n88d.com

fertinvitro.doctor

undonethread.com

avoleague.com

sissysundays.com

guilhermeoliveiro.site

catholicon-bespeckle.info

mardesuenosfundacion.com

songkhoe24.site

shoecityindia.com

smallbathroomdecor.info

tskusa.com

prairiespringsllc.com

kegncoffee.com

clicklounge.xyz

catholicendoflifeplanning.com

steelobzee.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
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\dGWioTejLEz0eVM.exe
      "C:\Users\Admin\AppData\Local\Temp\dGWioTejLEz0eVM.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Users\Admin\AppData\Local\Temp\dGWioTejLEz0eVM.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2896
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:504
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\dGWioTejLEz0eVM.exe"
        3⤵
          PID:1372

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/504-20-0x0000000000000000-mapping.dmp
    • memory/504-25-0x0000000003500000-0x000000000358F000-memory.dmp
      Filesize

      572KB

    • memory/504-23-0x0000000003020000-0x0000000003049000-memory.dmp
      Filesize

      164KB

    • memory/504-24-0x0000000003150000-0x0000000003470000-memory.dmp
      Filesize

      3.1MB

    • memory/504-22-0x0000000000100000-0x000000000010B000-memory.dmp
      Filesize

      44KB

    • memory/988-8-0x0000000005CC0000-0x0000000005CC1000-memory.dmp
      Filesize

      4KB

    • memory/988-10-0x0000000005A80000-0x0000000005A81000-memory.dmp
      Filesize

      4KB

    • memory/988-11-0x0000000007F80000-0x0000000007FD6000-memory.dmp
      Filesize

      344KB

    • memory/988-12-0x0000000008080000-0x0000000008081000-memory.dmp
      Filesize

      4KB

    • memory/988-9-0x0000000005EE0000-0x0000000005EEE000-memory.dmp
      Filesize

      56KB

    • memory/988-3-0x0000000000F50000-0x0000000000F51000-memory.dmp
      Filesize

      4KB

    • memory/988-5-0x0000000003420000-0x0000000003498000-memory.dmp
      Filesize

      480KB

    • memory/988-6-0x0000000006190000-0x0000000006191000-memory.dmp
      Filesize

      4KB

    • memory/988-7-0x0000000005D30000-0x0000000005D31000-memory.dmp
      Filesize

      4KB

    • memory/988-2-0x0000000073310000-0x00000000739FE000-memory.dmp
      Filesize

      6.9MB

    • memory/1372-21-0x0000000000000000-mapping.dmp
    • memory/2896-13-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/2896-17-0x00000000014B0000-0x00000000017D0000-memory.dmp
      Filesize

      3.1MB

    • memory/2896-18-0x0000000000F40000-0x0000000000F50000-memory.dmp
      Filesize

      64KB

    • memory/2896-14-0x000000000041D0F0-mapping.dmp
    • memory/3128-19-0x0000000005B00000-0x0000000005BD4000-memory.dmp
      Filesize

      848KB

    • memory/3128-26-0x0000000001350000-0x00000000013F2000-memory.dmp
      Filesize

      648KB