Analysis

  • max time kernel
    153s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    14-10-2021 11:28

General

  • Target

    New Order 09980.exe

  • Size

    451KB

  • MD5

    6387893aceaabeda2d1ab2eb5d902057

  • SHA1

    1f8e30bf14f877fd200673e01cf53c45bb811fba

  • SHA256

    05492398a92bdb980442a4893b4db7f34e440ba791653c1bd232a7d8a6577372

  • SHA512

    bbfa58964f56e52e8edcfcc830c14da96d9532cac670f57d75d1d9699ac2bacc82be2d74571bc574546d522ea88479b9d6b7113e6cfe1a2f32b6681a4ba51bd7

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe
        "C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1156
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\New Order 09980.exe"
        3⤵
        • Deletes itself
        PID:1964

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsiBE9F.tmp\tlaw.dll
    MD5

    36ba5b2aa56fc49145add74cfa5cd714

    SHA1

    a68e60056319f297f3f061de77ad2eb7dcd5f000

    SHA256

    3aa1750df524835a9b19676f058616a9a8ba2093e3ccbae1d4b34ceb484600be

    SHA512

    1794e472a6a3220a1bef978e871233da58e718cf1fecc2be82391ce8abec73d3eaf1d730fd9013f32f642f204b0139190a59abbf9e50d55e7b9dbccbf31f7d67

  • memory/1068-60-0x0000000075801000-0x0000000075803000-memory.dmp
    Filesize

    8KB

  • memory/1156-62-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1156-63-0x000000000041F200-mapping.dmp
  • memory/1156-65-0x00000000008C0000-0x0000000000BC3000-memory.dmp
    Filesize

    3.0MB

  • memory/1156-66-0x0000000000350000-0x0000000000365000-memory.dmp
    Filesize

    84KB

  • memory/1212-67-0x0000000003E20000-0x0000000003EF2000-memory.dmp
    Filesize

    840KB

  • memory/1212-75-0x0000000004F20000-0x0000000005054000-memory.dmp
    Filesize

    1.2MB

  • memory/1964-70-0x0000000000000000-mapping.dmp
  • memory/1988-68-0x0000000000000000-mapping.dmp
  • memory/1988-72-0x0000000000080000-0x00000000000AF000-memory.dmp
    Filesize

    188KB

  • memory/1988-73-0x0000000002110000-0x0000000002413000-memory.dmp
    Filesize

    3.0MB

  • memory/1988-71-0x0000000000250000-0x000000000026F000-memory.dmp
    Filesize

    124KB

  • memory/1988-74-0x0000000001E40000-0x0000000001ED4000-memory.dmp
    Filesize

    592KB