Overview

overview

10

Static

static

10

2024-03-23...de.exe

windows7-x64

10

2024-03-23...de.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23-03-2024 06:43

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General

  • Target

    2024-03-23_18d5dd2db533f028e8e860ae9a15b8e0_blackmatter_darkside.exe

  • Size

    128KB

  • MD5

    18d5dd2db533f028e8e860ae9a15b8e0

  • SHA1

    a61635917ab01a43d4fc2a94aa6fb7fc136b21e0

  • SHA256

    83d0666835eb65319727a2a9e5e6bf7d7b5c0ec25a543c4b8c44d408ad16dcde

  • SHA512

    f7e1640b32eacf9be9a4a5ad6540d5442b9da1ade36b630baf4c9fad69bffc851a024fc8da54b944e2f24a8ab746779bdf2a0ba9d2bb503ccd2350c61317c7df

  • SSDEEP

    1536:9zICS4AT6GxdEe+TOdincJXvKvsZgYM2HT02F4mHI5PsOqy:uR7auJXSEZgD2HT025Hs

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\FLNjIiJjs.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We have downloaded 1TB from your fileserver. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> 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. >> Data leak includes 1. Full emloyeers personal data 2. Network information 3. Schemes of buildings, active project information, architect details and contracts, 4. Finance info >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Renames multiple (182) 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\2024-03-23_18d5dd2db533f028e8e860ae9a15b8e0_blackmatter_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-23_18d5dd2db533f028e8e860ae9a15b8e0_blackmatter_darkside.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1160
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\FLNjIiJjs.README.txt
    Filesize

    1KB

    MD5

    f66968c47a64569e2281f65a95991be0

    SHA1

    ef9e3e80bfbea4c3021b226cb8cd00687013b8a8

    SHA256

    4b950c763006e7c4569df8742855cec31bf82f835bd7e2bdcb5f128db34c82bf

    SHA512

    cb4ace1b3e891ab100b3950c6bc133b216e91c8978a3af1ffd75617b606bb7ceb0133f44d37a30a827655e5b84b016d736a732f5f37635bb727e1a5b722cad24

    Download Submit

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

    Download Submit

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

    Download Submit

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    242B

    MD5

    fc3ae40ff3fb68974c3c9d4fcbcc04d3

    SHA1

    a8b3095c15353ee835d10e0f3df030e2eb742bcb

    SHA256

    5f1510f57f8f36be7a13b8bd9d4339b768100f7673bf6c837cc6a958aa77992b

    SHA512

    9da053885b5186a5935a57f390ee4719ce1a7a245013a56155260985ec13e2da62e17ef240f92c5b52dc51f25060e0f081f8677eb437bf99040b708335d2399f

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\TarBE74.tmp
    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

    Download Submit

  • memory/1160-0-0x0000000001D40000-0x0000000001D80000-memory.dmp

    Filesize

    256KB

    Download