Analysis

  • max time kernel
    147s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    22-11-2021 14:35

General

  • Target

    Order draft1.exe

  • Size

    348KB

  • MD5

    87a9c5769d732656ff646ca572825673

  • SHA1

    fee45216d2ff3209fd063eb4a66f68aa1ff924ba

  • SHA256

    205b9f0fc3a5d54104e7523586c4c548e8e728d74887f1f87e681fc98f6faa0a

  • SHA512

    93ff74af7c4000ceb5e9024ba12d0b16d12604cca88726ccd16878f7d33f009e2a5a4f088445801ea5f01b7d2c46f9b2b47e4c36036fcdaab4ee82ca2e91bd50

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:1260
    • C:\Users\Admin\AppData\Local\Temp\Order draft1.exe
      "C:\Users\Admin\AppData\Local\Temp\Order draft1.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:320
      • C:\Users\Admin\AppData\Local\Temp\Order draft1.exe
        "C:\Users\Admin\AppData\Local\Temp\Order draft1.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:436
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Order draft1.exe"
        3⤵
        • Deletes itself
        PID:1856

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\nsiB481.tmp\upexvlq.dll
    MD5

    ead7fb743b4561e30d8973c7be62bcb8

    SHA1

    b309e5c05f09a626e9caad3e465cf6ada5da801f

    SHA256

    4162c1e1e23d51027e23ec0bc6726c3f59fe0f6668fdbb9e701583535b66b64d

    SHA512

    00bd7059097d9249493ba325ed5c9affa6420c81b5a9d890f812a84ba2faedb9303cfde112b1a09b92fc807a0ee03f4f75af40290931d7cf1067cc345c277de2

  • memory/320-55-0x0000000075A61000-0x0000000075A63000-memory.dmp
    Filesize

    8KB

  • memory/436-57-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/436-58-0x000000000041F200-mapping.dmp
  • memory/436-60-0x0000000000820000-0x0000000000B23000-memory.dmp
    Filesize

    3.0MB

  • memory/436-61-0x00000000002D0000-0x00000000002E5000-memory.dmp
    Filesize

    84KB

  • memory/1260-62-0x0000000004370000-0x00000000044CB000-memory.dmp
    Filesize

    1.4MB

  • memory/1260-69-0x0000000006C20000-0x0000000006D5D000-memory.dmp
    Filesize

    1.2MB

  • memory/1624-63-0x0000000000000000-mapping.dmp
  • memory/1624-65-0x0000000001670000-0x000000000168B000-memory.dmp
    Filesize

    108KB

  • memory/1624-66-0x0000000000080000-0x00000000000AF000-memory.dmp
    Filesize

    188KB

  • memory/1624-67-0x0000000000AE0000-0x0000000000DE3000-memory.dmp
    Filesize

    3.0MB

  • memory/1624-68-0x0000000000920000-0x00000000009B4000-memory.dmp
    Filesize

    592KB

  • memory/1856-64-0x0000000000000000-mapping.dmp