Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    16-11-2021 14:36

General

  • Target

    Order Inquiry.exe

  • Size

    526KB

  • MD5

    23ee05d66d0b6a4706506a263e4a3552

  • SHA1

    a48d889ed30eba5528d7fbb5d93d3fc22b64f6dc

  • SHA256

    feb16d3790c5cec4010ef58c9a3d1fe211b5aef00ed28d0681b1a92bcfc2ca17

  • SHA512

    ed435fb60109f43ecfd392dd9c47ae069423b04c2e06fed8b4789a4989c67fe1b30ad66fefb76b79e22ed65f4508e93f8631e0cb8529a126e44e5307917e05f2

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 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 4 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 6 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:1396
    • C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe
      "C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe
        "C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:520
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe"
        3⤵
        • Deletes itself
        PID:912

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\nsnDA1A.tmp\mltt.dll
    MD5

    3d7ba6345509095c3405d0bff74d4860

    SHA1

    ec8035d0369819b1fa09a8a59ddbeb428aeb6953

    SHA256

    c5a371f8cd059d6cbe849f73fac163c8cf7a26db9eeaccd8309f7c7ee55654ec

    SHA512

    00a0836af2b1af494e0b6c46d101a7f022a9546458c968d0b4cdfcf49b9d1b3d492f24d01c888e5b2c5be2d1a7d300984b07e51bf882698a0c34dd4ca3b552cf

  • memory/520-64-0x0000000000390000-0x00000000003A5000-memory.dmp
    Filesize

    84KB

  • memory/520-57-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/520-58-0x000000000041F200-mapping.dmp
  • memory/520-60-0x00000000008A0000-0x0000000000BA3000-memory.dmp
    Filesize

    3.0MB

  • memory/520-63-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/520-61-0x0000000000340000-0x0000000000355000-memory.dmp
    Filesize

    84KB

  • memory/912-68-0x0000000000000000-mapping.dmp
  • memory/940-55-0x0000000074A31000-0x0000000074A33000-memory.dmp
    Filesize

    8KB

  • memory/1396-65-0x0000000007450000-0x0000000007595000-memory.dmp
    Filesize

    1.3MB

  • memory/1396-62-0x0000000006AF0000-0x0000000006C13000-memory.dmp
    Filesize

    1.1MB

  • memory/1396-73-0x0000000007F70000-0x0000000008100000-memory.dmp
    Filesize

    1.6MB

  • memory/1408-66-0x0000000000000000-mapping.dmp
  • memory/1408-69-0x0000000000590000-0x0000000000684000-memory.dmp
    Filesize

    976KB

  • memory/1408-70-0x0000000000110000-0x000000000013F000-memory.dmp
    Filesize

    188KB

  • memory/1408-71-0x00000000021D0000-0x00000000024D3000-memory.dmp
    Filesize

    3.0MB

  • memory/1408-72-0x00000000024E0000-0x0000000002574000-memory.dmp
    Filesize

    592KB