Overview

overview

10

Static

static

Purchase O...df.exe

windows7_x64

10

Purchase O...df.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-01-2021 07:33

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General

  • Target

    Purchase Order_80976678_pdf.exe

  • Size

    351KB

  • MD5

    a709f543a19335dd25778eb0dfe66cb4

  • SHA1

    16f5f3c6cdefa863184ee9081a32af736e07eefa

  • SHA256

    f45429329da30ae0032b202f9e9165b0a6b3bba97389590026c17b8c71f03f11

  • SHA512

    3cde3c37daa1a347ec0d76acfe6bd1537c5c32963446e8bddef8ceca79cbe12af36a0b77baf89785b246cdd88bcbba5e3c9ce9d4f1f1a1df19a3a77f4a6587b3

Score
10/10
formbookxloaderloaderratspywarestealertrojan

Malware Config

Extracted

Family

formbook

C2

http://www.chuanxingtong.com/j5an/

Decoy

xwwgj.com

release-paypal.com

investorshighway.com

maglex.info

chenangopistolpermit.com

thebihareye.com

sanjosemasks.com

foremanmotors.com

stadtstreicherin.com

9247pf.com

erenvincplatform.xyz

cushcaps.com

flatisteam.com

kojyouibennto.com

rahmatsuparman.com

vallyfades.online

metropitstop.com

shopasha.com

windycitycreditsolutions.com

uproxysite.com

Signatures

  • Formbook

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

    trojanspywarestealerformbook
  • Xloader

    Xloader is a rebranded version of Formbook malware.

    loaderxloader
  • Xloader Payload 1 IoCs
    rat
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order_80976678_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order_80976678_pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order_80976678_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order_80976678_pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2096
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order_80976678_pdf.exe"
        3⤵
          PID:3096

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Command-Line Interface

    1
    T1059

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/768-6-0x0000000000000000-mapping.dmp
      Download
    • memory/768-8-0x0000000002AE0000-0x0000000002B09000-memory.dmp
      Filesize

      164KB

      Download
    • memory/768-7-0x0000000000A70000-0x0000000000A7B000-memory.dmp
      Filesize

      44KB

      Download
    • memory/768-9-0x00000000035B0000-0x00000000038D0000-memory.dmp
      Filesize

      3.1MB

      Download
    • memory/768-12-0x0000000003270000-0x0000000003300000-memory.dmp
      Filesize

      576KB

      Download
    • memory/2096-2-0x00000000005DD070-mapping.dmp
      Download
    • memory/2096-3-0x0000000000FF0000-0x0000000001310000-memory.dmp
      Filesize

      3.1MB

      Download
    • memory/2096-4-0x0000000000ED0000-0x0000000000EE1000-memory.dmp
      Filesize

      68KB

      Download
    • memory/2576-5-0x0000000004CE0000-0x0000000004DB6000-memory.dmp
      Filesize

      856KB

      Download
    • memory/2576-13-0x0000000004E00000-0x0000000004F2E000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/3096-10-0x0000000000000000-mapping.dmp
      Download