Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-01-2021 09:43

General

  • Target

    Consignment Details&BL Draft.exe

  • Size

    663KB

  • MD5

    bbcdacdde22b8bab6d71f543c36c9b2f

  • SHA1

    f4752b9407c50396ca6ca1fef1a50827eb5cbc10

  • SHA256

    6fbc3e54a04aeadf268907b5041bdaf5af8980d76eafce3bc5d995c0fa779fd8

  • SHA512

    37c504b110e85656398ca91c4ed67e2854252b5402ca1b60cd8a24fa38c4e67c9346a8b4dc14005a44cdab708488bfe8b58f52e36449a4467de928591cbc6919

Malware Config

Extracted

Family

formbook

C2

http://www.mwavpn.com/9bwn/

Decoy

italiancoastal.com

shareandfit.com

ibexacademia.com

guejek.com

vitalbizdev.com

connemaracomputers.com

surf-livre.com

styleforwoman.com

costcopaysecure.com

kingdomandqueendom.com

www-societegenerale.com

radiokerbfm.com

marylandstars.net

thechampionsday.com

beertenderb95.com

iybbshop.com

maglex.info

vh3g.asia

zaairobot.online

ryderhydros.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 2 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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 UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\Consignment Details&BL Draft.exe
      "C:\Users\Admin\AppData\Local\Temp\Consignment Details&BL Draft.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:648
      • C:\Users\Admin\AppData\Local\Temp\Consignment Details&BL Draft.exe
        "C:\Users\Admin\AppData\Local\Temp\Consignment Details&BL Draft.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2704
    • 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:3308
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Consignment Details&BL Draft.exe"
        3⤵
          PID:2920

    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/2704-2-0x000000000041D050-mapping.dmp
    • memory/2704-4-0x0000000001110000-0x0000000001430000-memory.dmp
      Filesize

      3.1MB

    • memory/2704-3-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2704-5-0x0000000000B10000-0x0000000000B20000-memory.dmp
      Filesize

      64KB

    • memory/2920-10-0x0000000000000000-mapping.dmp
    • memory/2968-6-0x0000000004CB0000-0x0000000004D98000-memory.dmp
      Filesize

      928KB

    • memory/2968-13-0x0000000004DA0000-0x0000000004EF1000-memory.dmp
      Filesize

      1.3MB

    • memory/3308-7-0x0000000000000000-mapping.dmp
    • memory/3308-9-0x0000000000C30000-0x0000000000C58000-memory.dmp
      Filesize

      160KB

    • memory/3308-8-0x0000000000D30000-0x0000000000D3B000-memory.dmp
      Filesize

      44KB

    • memory/3308-11-0x0000000003430000-0x0000000003750000-memory.dmp
      Filesize

      3.1MB

    • memory/3308-12-0x00000000032B0000-0x000000000333F000-memory.dmp
      Filesize

      572KB