Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 13:08

General

  • Target

    tmp.exe

  • Size

    710KB

  • MD5

    493562fc3240d634f797be4a433d72c7

  • SHA1

    92569595aa0a20d9937bd03525a756dd35059d3b

  • SHA256

    6b73ab2cf730e26c8609e57d23e09260d6c74db84f29ae6f786129f7a3b6512b

  • SHA512

    70eb16d06d38d80cc4513962f6fbdeda54e6ec2bc30caa9fb112d3cd355b12c088426c823d3d4a3e315209b3fc908c0339e9cdc8de99462e87eba311f4801a75

  • SSDEEP

    12288:406gna2iNP1UIkvEbtOgVt3KB6bxxXRZEG/p8fD5mcjtqlg6utz5l96OXaq:XTa1F14ot1aIxxAop+mc0g6MNa

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ro12

Decoy

start399.com

decyfincoin.com

binguozhijiaok.com

one45.vip

55dy5s.top

regmt.pro

2ahxgaafifl.com

xn--6rtp2flvfc2h.com

justinmburns.com

los3.online

fleshaaikensdivinegiven7llc.com

servicedelv.services

apexcaryhomesforsale.com

shuraop.xyz

sagetotal.com

gratitude-et-compagnie.com

riderarea.com

digitalserviceact.online

contentbyc.com

agenda-digital-planner.com

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3016
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3652
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\SysWOW64\rundll32.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4208
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
          PID:2064

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/780-18-0x00000000087B0000-0x00000000088E4000-memory.dmp

      Filesize

      1.2MB

    • memory/780-31-0x0000000008620000-0x00000000086CA000-memory.dmp

      Filesize

      680KB

    • memory/780-29-0x0000000008620000-0x00000000086CA000-memory.dmp

      Filesize

      680KB

    • memory/780-28-0x0000000008620000-0x00000000086CA000-memory.dmp

      Filesize

      680KB

    • memory/780-25-0x00000000087B0000-0x00000000088E4000-memory.dmp

      Filesize

      1.2MB

    • memory/3016-13-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3016-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

      Filesize

      64KB

    • memory/3016-7-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3016-8-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

      Filesize

      40KB

    • memory/3016-9-0x0000000009AE0000-0x0000000009B4E000-memory.dmp

      Filesize

      440KB

    • memory/3016-10-0x0000000008630000-0x00000000086CC000-memory.dmp

      Filesize

      624KB

    • memory/3016-6-0x0000000004C90000-0x0000000004CA8000-memory.dmp

      Filesize

      96KB

    • memory/3016-0-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3016-1-0x0000000000060000-0x0000000000118000-memory.dmp

      Filesize

      736KB

    • memory/3016-2-0x0000000005110000-0x00000000056B4000-memory.dmp

      Filesize

      5.6MB

    • memory/3016-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

      Filesize

      584KB

    • memory/3016-5-0x0000000004B10000-0x0000000004B1A000-memory.dmp

      Filesize

      40KB

    • memory/3652-11-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/3652-17-0x00000000014B0000-0x00000000014C4000-memory.dmp

      Filesize

      80KB

    • memory/3652-16-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/3652-14-0x0000000001910000-0x0000000001C5A000-memory.dmp

      Filesize

      3.3MB

    • memory/4208-21-0x0000000000830000-0x0000000000844000-memory.dmp

      Filesize

      80KB

    • memory/4208-22-0x0000000001020000-0x000000000104F000-memory.dmp

      Filesize

      188KB

    • memory/4208-23-0x0000000002F10000-0x000000000325A000-memory.dmp

      Filesize

      3.3MB

    • memory/4208-24-0x0000000001020000-0x000000000104F000-memory.dmp

      Filesize

      188KB

    • memory/4208-19-0x0000000000830000-0x0000000000844000-memory.dmp

      Filesize

      80KB

    • memory/4208-27-0x0000000002E10000-0x0000000002EA3000-memory.dmp

      Filesize

      588KB