Overview

overview

10

Static

static

10

5c66cd4f21...18.exe

windows7-x64

10

5c66cd4f21...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 14:49

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General

  • Target

    5c66cd4f21254f83663819138e634dd9_JaffaCakes118.exe

  • Size

    80KB

  • MD5

    5c66cd4f21254f83663819138e634dd9

  • SHA1

    6626cae85970e6490b8b0bf9da9aa4b57a79bb62

  • SHA256

    2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c

  • SHA512

    093e1fb491d73ee240f1b0084bda233ef272618b56e61ed8602a57dec7b241b3f80a4a1749ff46d141399e71dd6127c9a8893c9d8d24c6aa48b0479a7ab42a2a

  • SSDEEP

    768:JHVfahoICS4AI4kyPh2qFSpAM0zHTMoXsLipP4+1Kkxwz5m7HEzETWOUP9LXzTN:/nICS4A79p2qFTM2HT02F4mHI5msOq

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\Users\il0ExfkEX.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What data stolen? From your network was stolen sensitive data. If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. >>> What guarantees? 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 we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/EWX33VYY3IGOXSG5ZZ2 >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/EWX33VYY3IGOXSG5ZZ2

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Renames multiple (155) files with added filename extension

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

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c66cd4f21254f83663819138e634dd9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5c66cd4f21254f83663819138e634dd9_JaffaCakes118.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:564
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\il0ExfkEX.README.txt
    Filesize

    1KB

    MD5

    896f61d321c4af276b7a80be14715992

    SHA1

    feca31af9616ac09d73900d32a8dc8d08fce51e6

    SHA256

    8553b63516ebbad0ce0653b3e21831b5dd114584ec49f6f413ad928ee68e6c21

    SHA512

    81fd91036800c12a66e9c352a70293734f5d4355c6c2fbf39446602655f596ac3afc150a4c0494c804a4226aba55aa65f031bd0957f79ffd131e5329fb0ec82e

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  • memory/564-1-0x00000000026A0000-0x00000000026B0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/564-0-0x00000000026A0000-0x00000000026B0000-memory.dmp

    Filesize

    64KB

    Download