Overview

overview

10

Static

static

10

3c13ae9a53...ac.exe

windows7-x64

10

3c13ae9a53...ac.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/07/2024, 18:28

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General

  • Target
    3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac.exe
  • Size 147KB
  • Sample240731-w4cs6asajd
  • SHA256 3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\d093fD6aI.README.txt

Ransom Note
  • ~~~ LockBit 5.01 the world's fastest ransomware since 2019~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom BTC amount 0.01 = up to 12hr BTC amount 0.02 = up to 24hr BTC amount 0.1 = up 48 hr BTC amount 0 , deleted all files from you PC, and post all infirmation to public. where send BTC: bc1qm7sg7p2jkgthv7pkjy856sh9lr5x3yrpzv099d :not valid after 07/23/2024 10PM EST. Time just 12 hr, after everythink will be removed You can buy them on the exchange or at an ATM https://coinatmradar.com. You can find the addresses here buy with credit or debet card online https://www.moonpay.com/buy. You have 12 hours for the transfer, 24 hours for the amount of 0.02, and of course, you can always wait 48 hours and pay 0.1. After that, send a request with confirmation to TOX , faster way! You can contact us using Tox messenger without registration and SMS https://tox.chat/download.html. Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. If you want to contact us, tox. Tox ID LockBitSupp: B90F5C1EC3C13400F6D0B22B772C5FAB086F8C41A0C87B92A8B3C7F2ECBBCE191A455140273E
URLs

  • https://coinatmradar.com

  • https://www.moonpay.com/buy

  • https://tox.chat/download.html

Signatures

  • Renames multiple (673) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac.exe
    "C:\Users\Admin\AppData\Local\Temp\3c13ae9a53b29849fd3bb75d3259a23658cd687441f8bdd610487007c51d2eac.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1536
    • C:\ProgramData\B98D.tmp
      "C:\ProgramData\B98D.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4724
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B98D.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:632
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:4452
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4304
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{ACE500A7-B0B5-4075-991F-2D9F2588AFBF}.xps" 133669240995510000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4636

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          desktop.ini
          • Path C:\$Recycle.Bin\S-1-5-21-3774859476-2260090144-3466365324-1000\desktop.ini
          • Size 129B
          • SHA256 0ac87f440e833b81e0d32c6615789ce23295d7be0b77725cd977d1a8c7368891
          • MD5 SHA1 SHA512
          Submit Download

          B98D.tmp
          • Path C:\ProgramData\B98D.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
          • Path C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
          • Size 147KB
          • SHA256 b2ec3c787a6fb7ceb153135198ac635c518c3e8277676b633d52c836fb7285f7
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          d093fD6aI.README.txt
          • Path C:\d093fD6aI.README.txt
          • Size 1KB
          • SHA256 804575f74fe5b2f28c181f3413b23a0355693ffd9a2c1e69546bb598ce67ebae
          • MD5 SHA1 SHA512
          Submit Download

          DDDDDDDDDDD
          • Path F:\$RECYCLE.BIN\S-1-5-21-3774859476-2260090144-3466365324-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 ede9e3ee345b51af573d010ccee52358bc1faf736856232efb0e5f84e8cc7145
          • MD5 SHA1 SHA512
          Submit Download

          memory/4092-1-0x0000000002760000-0x0000000002770000-memory.dmp
          Download

          memory/4092-2-0x0000000002760000-0x0000000002770000-memory.dmp
          Download

          memory/4092-0-0x0000000002760000-0x0000000002770000-memory.dmp
          Download

          memory/4636-3011-0x00007FF7E4050000-0x00007FF7E4060000-memory.dmp
          Download

          memory/4636-3012-0x00007FF7E4050000-0x00007FF7E4060000-memory.dmp
          Download

          memory/4636-3010-0x00007FF7E4050000-0x00007FF7E4060000-memory.dmp
          Download

          memory/4636-3008-0x00007FF7E4050000-0x00007FF7E4060000-memory.dmp
          Download

          memory/4636-3009-0x00007FF7E4050000-0x00007FF7E4060000-memory.dmp
          Download

          memory/4636-3041-0x00007FF7E1BB0000-0x00007FF7E1BC0000-memory.dmp
          Download

          memory/4636-3042-0x00007FF7E1BB0000-0x00007FF7E1BC0000-memory.dmp
          Download