Analysis

  • max time kernel
    146s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13/10/2021, 09:42

General

  • Target
    7b57c26a8208756f37e8df8331f94610.exe
  • Size 605KB
  • Sample211013-lpc59sdhe7
  • SHA256 0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • kzk9

C2
  • http://www.yourmajordomo.com/kzk9/

Decoy
  • tianconghuo.club

  • 1996-page.com

  • ourtownmax.net

  • conservativetreehose.com

  • synth.repair

  • donnachicacreperia.com

  • tentfull.com

  • weapp.download

  • surfersink.com

  • gattlebusinessservices.com

  • sebastian249.com

  • anhphuc.company

  • betternatureproducts.net

  • defroplate.com

  • seattlesquidsquad.com

  • polarjob.com

  • lendingadvantage.com

  • angelsondope.com

  • goportjitney.com

  • tiendagrupojagr.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b57c26a8208756f37e8df8331f94610.exe
    "C:\Users\Admin\AppData\Local\Temp\7b57c26a8208756f37e8df8331f94610.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Local\Temp\7b57c26a8208756f37e8df8331f94610.exe
      "C:\Users\Admin\AppData\Local\Temp\7b57c26a8208756f37e8df8331f94610.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1888

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/860-114-0x0000000000D10000-0x0000000000D11000-memory.dmp

        memory/860-116-0x0000000005C20000-0x0000000005C21000-memory.dmp

        memory/860-117-0x00000000057C0000-0x00000000057C1000-memory.dmp

        memory/860-118-0x0000000005720000-0x0000000005721000-memory.dmp

        memory/860-119-0x0000000005720000-0x0000000005C1E000-memory.dmp

        memory/860-120-0x00000000058F0000-0x00000000058F5000-memory.dmp

        memory/860-121-0x0000000007B70000-0x0000000007B71000-memory.dmp

        memory/860-122-0x0000000007C90000-0x0000000007D04000-memory.dmp

        memory/1888-123-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/1888-125-0x00000000019C0000-0x0000000001CE0000-memory.dmp