Analysis

  • max time kernel
    146s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-01-2021 07:17

General

  • Target

    Mitsubishi Japan XN501.exe

  • Size

    959KB

  • MD5

    420a7a5ed66a75a7ede35f63cab3ab9c

  • SHA1

    474b0ef1e7dab85ebd7296c408de13a18afd3870

  • SHA256

    75f2a2a20e73b7e0c53d499b883a403c2b8cfbf17c5923d58e0167daa4c019c1

  • SHA512

    cafe8be480487d71115512894798775d3eb4e3219f3e0d5395d5c6a098d51515fb85a1224c12ce22d0fb8bacc612d48fdc417fe077d4bfbbf35fd7f53c47df20

Malware Config

Extracted

Family

formbook

C2

http://www.9dgevjb.net/gtl/

Decoy

45687g.net

graveimport.com

bulldogsgear.com

service-support.email

uhzcflg.icu

zebradefensefund.com

make10xhappen.com

ecotegral.online

stillatwink.site

onwardatlanta.com

real-optionstheory.com

madbearcustomwoodworking.com

adelinekaczmarek.com

elia-lca.com

tinykreations.com

rawlinsrealty.info

ubcholdings.com

searko.com

lepinedoree.com

fundsrecoveryexperts.com

Signatures

  • Formbook

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

  • Formbook 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 44 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\Mitsubishi Japan XN501.exe
      "C:\Users\Admin\AppData\Local\Temp\Mitsubishi Japan XN501.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1400
      • C:\Users\Admin\AppData\Local\Temp\Mitsubishi Japan XN501.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1300
    • 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:2232
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Mitsubishi Japan XN501.exe"
        3⤵
          PID:2168

    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/1300-11-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1300-12-0x000000000041EAF0-mapping.dmp
    • memory/1400-6-0x00000000055F0000-0x00000000055F1000-memory.dmp
      Filesize

      4KB

    • memory/1400-2-0x0000000073550000-0x0000000073C3E000-memory.dmp
      Filesize

      6.9MB

    • memory/1400-7-0x0000000005750000-0x0000000005751000-memory.dmp
      Filesize

      4KB

    • memory/1400-8-0x0000000005760000-0x000000000576E000-memory.dmp
      Filesize

      56KB

    • memory/1400-9-0x0000000006260000-0x00000000062AC000-memory.dmp
      Filesize

      304KB

    • memory/1400-10-0x0000000006350000-0x0000000006351000-memory.dmp
      Filesize

      4KB

    • memory/1400-5-0x00000000059E0000-0x00000000059E1000-memory.dmp
      Filesize

      4KB

    • memory/1400-3-0x0000000000B90000-0x0000000000B91000-memory.dmp
      Filesize

      4KB

    • memory/2168-16-0x0000000000000000-mapping.dmp
    • memory/2232-13-0x0000000000000000-mapping.dmp
    • memory/2232-14-0x0000000000DC0000-0x0000000000DCB000-memory.dmp
      Filesize

      44KB

    • memory/2232-15-0x0000000000DC0000-0x0000000000DCB000-memory.dmp
      Filesize

      44KB