Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    13-10-2021 06:49

General

  • Target

    OAa3nu595dA7afB.exe

  • Size

    553KB

  • MD5

    1823dce627d29f5d4985501267f7ad9f

  • SHA1

    1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3

  • SHA256

    c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e

  • SHA512

    88421fa99979a5ed7d55a2dccffbb96af3e72539e5dba61bf7860d2321a2f79deb5e9aae65e3fb9e5a17998a60d87abbbdc7b0dc495c991b4a3813a2ef8edb72

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
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 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 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
      "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
        "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:472
    • 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:1348
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
        3⤵
        • Deletes itself
        PID:812

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/472-60-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/472-65-0x0000000000130000-0x0000000000145000-memory.dmp
    Filesize

    84KB

  • memory/472-63-0x0000000000CE0000-0x0000000000FE3000-memory.dmp
    Filesize

    3.0MB

  • memory/472-62-0x000000000041F200-mapping.dmp
  • memory/472-59-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/472-61-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/812-71-0x0000000000000000-mapping.dmp
  • memory/1348-67-0x0000000000000000-mapping.dmp
  • memory/1348-69-0x00000000008D0000-0x00000000008E4000-memory.dmp
    Filesize

    80KB

  • memory/1348-70-0x00000000000D0000-0x00000000000FF000-memory.dmp
    Filesize

    188KB

  • memory/1348-72-0x0000000002150000-0x0000000002453000-memory.dmp
    Filesize

    3.0MB

  • memory/1348-73-0x0000000001F60000-0x0000000001FF4000-memory.dmp
    Filesize

    592KB

  • memory/1376-66-0x0000000004F90000-0x00000000050A6000-memory.dmp
    Filesize

    1.1MB

  • memory/1376-74-0x00000000068C0000-0x0000000006A46000-memory.dmp
    Filesize

    1.5MB

  • memory/1544-58-0x0000000005370000-0x00000000053E6000-memory.dmp
    Filesize

    472KB

  • memory/1544-57-0x0000000000400000-0x0000000000405000-memory.dmp
    Filesize

    20KB

  • memory/1544-56-0x00000000048C0000-0x00000000048C1000-memory.dmp
    Filesize

    4KB

  • memory/1544-53-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
    Filesize

    4KB

  • memory/1544-55-0x0000000074B91000-0x0000000074B93000-memory.dmp
    Filesize

    8KB