Overview

overview

10

Static

static

10

2ffd41be5a...9e.exe

windows7-x64

10

2ffd41be5a...9e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    92s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 09:05

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General

  • Target

    2ffd41be5a72da75b3de503e17bed058eb84e1e83be9e0b264cb987b4581259e.exe

  • Size

    147KB

  • MD5

    e3e89421797130de9f4edebdd1980522

  • SHA1

    f3fad656375518254c520e5dc7d94a495443db7e

  • SHA256

    2ffd41be5a72da75b3de503e17bed058eb84e1e83be9e0b264cb987b4581259e

  • SHA512

    94d3670b2e2af3c18d4f441340973045bb9b658f401cf20e27b7376fdb4c37e7e8d2d39fa2f417536987957a5af7f81c44f433fa3cd392c288d852b427af38ec

  • SSDEEP

    3072:h6glyuxE4GsUPnliByocWepKooaLxQ3Rmz:h6gDBGpvEByocWeD8Rm

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\blADqpmVf.README.txt

Ransom Note
>>>> Your data are stolen and encrypted if you do not pay the ransom The Your data permanently deleted >>>>What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and your data will not be disclosed . Life is too short to be sad. Be not sad, money, it is only paper. You can contact us and use your personal decryption ID to decrypt a file for free >>>>Your personal DECRYPTION ID: 79F912B255565ED7133325B97C67E533 If we do not give you decrypters after payment, then nobody will pay us in the future. Therefore, our reputation is very important to us. You can contact me by email. Email:[email protected] Sometimes you will need to wait for our answer because we attack many companies. we will provide you the programs >>>>payment is completed, send the payment photo to Email: [email protected] >>>>payment is completed Send via email we will provide you the programs and you will restore all the data. >>>>Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems!
Emails

Signatures

  • Renames multiple (612) 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 3 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 5 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\2ffd41be5a72da75b3de503e17bed058eb84e1e83be9e0b264cb987b4581259e.exe
    "C:\Users\Admin\AppData\Local\Temp\2ffd41be5a72da75b3de503e17bed058eb84e1e83be9e0b264cb987b4581259e.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:1724
    • C:\ProgramData\B48C.tmp
      "C:\ProgramData\B48C.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:4476
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B48C.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1364
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1268
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{0E431500-236D-47C2-9EAD-B30D388C8F64}.xps" 133776903572380000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3756129449-3121373848-4276368241-1000\QQQQQQQQQQQ
      Filesize

      129B

      MD5

      a1af39073faede80821a7edf8c225dfc

      SHA1

      df6ad52a9adf741d22137c197f060a7f90256f54

      SHA256

      d7c1955a8f7360e630fb73df5356d5d64d002b587b9e2c095e343fdff7bf933d

      SHA512

      0e39f38e363e33b1f259792ff86aa573045608ee9e880033858fe6324eb85dcc53c30b2d600654fa0c08423e3d5ba95fb5d64432e2b300d9deb8cff5b18cad5d

      Download Submit

    • C:\ProgramData\B48C.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
      Filesize

      147KB

      MD5

      67bc1612f0aaf15f887a5a061ba1bea5

      SHA1

      c462a0160953dc6377696327fbb437876dd7e58c

      SHA256

      66b6816fa21d9dccf01eb69f43e3a2ff552fdde22fcbf1825ac75e06ba0b0684

      SHA512

      d617d5377e65d6abfc1b2d585649d9c4fe365c7adc4152a127dd696beb1d5a863d70dc882f223203d57f5c064490a19fcb33c7377ade9e3ab1c33c6537b85e58

      Download Submit

    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
      Filesize

      4KB

      MD5

      a6755da6a14f946cf966e96a10dbefed

      SHA1

      43998b68a7da52681fb7a5d55a01bcceb49d51a7

      SHA256

      29cb3a80a7915c0bb610b126a6f9fde121e4a8b7835c247afb9687e607f06e21

      SHA512

      23b9918cd6a0091d04c90cc1f12b062c0d8472b4768f92edab6e23a330c35f5841a2a1f3715e61237581eb8837746b8958c016bcb8b68c598238a5fc60ff9271

      Download Submit

    • C:\blADqpmVf.README.txt
      Filesize

      1KB

      MD5

      8627abaeb849d8d7cf8a933ed8c11c17

      SHA1

      e12f2546ac1d3bda2c78dde0d1f5a82d61d80b12

      SHA256

      bda6b2bacccbaaa2ef95fdc516d952cb608ac5a665409bb04a3b427d96fb813a

      SHA512

      220b4c4b3b5cc732fc2717e3da320cf544dffab9323e3e7a6ae98106ee0461dcab22c86923824670796175c97dd810078efc58f3beeaf5c08b1a5cb477cc8a18

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3756129449-3121373848-4276368241-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      868e51aafaa5b7e6ce62a755510e40ca

      SHA1

      879d2b7239eddfd14291f527f88d4a9dab078931

      SHA256

      96e13049fbec01e9dd88fcdc6e173ab7d5fdf529c7621db3d6180ec3eeb672ee

      SHA512

      c2cac86e1f7f0509f8e8bc7a2043cde658b6ad07cc543066f304f2a2fb1ca8bb60851886ba6d5bc59bfd46e1b1782e94e5232657c8cbfb96becc0b38b5ca9d34

      Download Submit

    • memory/1080-2793-0x00000000034F0000-0x0000000003500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1080-2792-0x00000000034F0000-0x0000000003500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1080-0-0x00000000034F0000-0x0000000003500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1080-2791-0x00000000034F0000-0x0000000003500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1080-1-0x00000000034F0000-0x0000000003500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1080-2-0x00000000034F0000-0x0000000003500000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4216-2809-0x00007FFF1BC10000-0x00007FFF1BC20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4216-2812-0x00007FFF1BC10000-0x00007FFF1BC20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4216-2811-0x00007FFF1BC10000-0x00007FFF1BC20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4216-2813-0x00007FFF1BC10000-0x00007FFF1BC20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4216-2810-0x00007FFF1BC10000-0x00007FFF1BC20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4216-2842-0x00007FFF19670000-0x00007FFF19680000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4216-2843-0x00007FFF19670000-0x00007FFF19680000-memory.dmp

      Filesize

      64KB

      Download