Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    30-11-2021 16:49

General

  • Target

    Order Inquiry1.exe

  • Size

    260KB

  • MD5

    3a29b67a14c7eb8db86fe2ab3341a252

  • SHA1

    2785e2478ac19d8f97c08423606e6fa9a9259888

  • SHA256

    05ce261d0c4a0b23b202e6a18d1039177375f13e40350690afa7b18053860075

  • SHA512

    5f3e7a5421b9b9100741521a5e9bb9facab96038c3665c5a7933cb88fd5c8707b62174b32c5af22337cbd7f7c03ed44ce2fd3ebbba9de6b21c81e2e57ccb9916

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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Inquiry1.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Inquiry1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\Order Inquiry1.exe
      "C:\Users\Admin\AppData\Local\Temp\Order Inquiry1.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:676
  • 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:1252
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Order Inquiry1.exe"
        3⤵
        • Deletes itself
        PID:1820

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\nsiF123.tmp\jvuwfsmanzc.dll
    MD5

    6b3fe0c559c0fc513bc126d1bb340087

    SHA1

    5d88167c2d3a71218c67a19119dbe29fea4eb3db

    SHA256

    19fe99aca48aa0f5e4ce8fd12f0791335b580af84571d4e01f57644bb43199a7

    SHA512

    3a6e3a099be2e2668cbbe76a36a5d84f66947715dc051d3b9bd06feab9e85202f2c2e3a98b27ecd220830b8817c81ef7d8259a61d3f15dfecc9ffeeb5db952b2

  • memory/676-64-0x00000000006A0000-0x00000000006B5000-memory.dmp
    Filesize

    84KB

  • memory/676-57-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/676-58-0x000000000041F200-mapping.dmp
  • memory/676-59-0x0000000000700000-0x0000000000A03000-memory.dmp
    Filesize

    3.0MB

  • memory/676-61-0x0000000000660000-0x0000000000675000-memory.dmp
    Filesize

    84KB

  • memory/676-63-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1252-65-0x00000000072B0000-0x000000000742B000-memory.dmp
    Filesize

    1.5MB

  • memory/1252-62-0x00000000060B0000-0x0000000006179000-memory.dmp
    Filesize

    804KB

  • memory/1252-73-0x0000000006CB0000-0x0000000006DFA000-memory.dmp
    Filesize

    1.3MB

  • memory/1520-66-0x0000000000000000-mapping.dmp
  • memory/1520-68-0x0000000000BE0000-0x0000000000BF4000-memory.dmp
    Filesize

    80KB

  • memory/1520-69-0x0000000000090000-0x00000000000BF000-memory.dmp
    Filesize

    188KB

  • memory/1520-71-0x00000000021E0000-0x00000000024E3000-memory.dmp
    Filesize

    3.0MB

  • memory/1520-72-0x0000000000A30000-0x0000000000AC4000-memory.dmp
    Filesize

    592KB

  • memory/1580-55-0x00000000754A1000-0x00000000754A3000-memory.dmp
    Filesize

    8KB

  • memory/1820-70-0x0000000000000000-mapping.dmp