Analysis

  • max time kernel
    146s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    28-10-2021 10:31

General

  • Target

    Order0081.exe

  • Size

    451KB

  • MD5

    86a9969d606a6068365ab318aef2a428

  • SHA1

    5db7505848578cd13044370c2f4285af7f9223e9

  • SHA256

    eee3ae244d4b107caf97cc1fb723b1e20d233d9e8d73362ad1666175a7c1ef24

  • SHA512

    76759526c915b889e4f23bbd960a8b278e2a6ed3ec1ba1321c58036a9bfaa1b47046f384165da9add84e357e8c21d6f3f1e337bcc9475f5f9922ff26d74031f8

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.

  • 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 2 IoCs
  • Suspicious use of SendNotifyMessage 2 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:1264
    • C:\Users\Admin\AppData\Local\Temp\Order0081.exe
      "C:\Users\Admin\AppData\Local\Temp\Order0081.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Users\Admin\AppData\Local\Temp\Order0081.exe
        "C:\Users\Admin\AppData\Local\Temp\Order0081.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:324
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Order0081.exe"
        3⤵
        • Deletes itself
        PID:1308

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\nsdEF7E.tmp\icvhoth.dll
    MD5

    8a011b6355be2be310b50e978fed738d

    SHA1

    cbc6023a0ad9a6fce2b797cda55d16beb867fd4d

    SHA256

    177cbc7420470c1ee8497286f517a0d52e7d71bdcf86a331db4928ca8b1ce6ac

    SHA512

    2b1ed2be97378c9942fb8a0572c0bb74f59c1c037e177747fcbd29ff965c20ea5180daf97a943b029a736fc7f85ccb4750710c29240075f077172c53a712daf1

  • memory/324-59-0x0000000000920000-0x0000000000C23000-memory.dmp
    Filesize

    3.0MB

  • memory/324-56-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/324-57-0x000000000041F200-mapping.dmp
  • memory/324-60-0x00000000002C0000-0x00000000002D5000-memory.dmp
    Filesize

    84KB

  • memory/1120-64-0x0000000000410000-0x0000000000432000-memory.dmp
    Filesize

    136KB

  • memory/1120-62-0x0000000000000000-mapping.dmp
  • memory/1120-65-0x0000000000070000-0x000000000009F000-memory.dmp
    Filesize

    188KB

  • memory/1120-66-0x0000000001F10000-0x0000000002213000-memory.dmp
    Filesize

    3.0MB

  • memory/1120-67-0x0000000000770000-0x0000000000804000-memory.dmp
    Filesize

    592KB

  • memory/1264-61-0x0000000006960000-0x0000000006ACA000-memory.dmp
    Filesize

    1.4MB

  • memory/1264-68-0x0000000006CE0000-0x0000000006E72000-memory.dmp
    Filesize

    1.6MB

  • memory/1308-63-0x0000000000000000-mapping.dmp
  • memory/1404-54-0x0000000075821000-0x0000000075823000-memory.dmp
    Filesize

    8KB