Overview

overview

10

Static

static

10

entry_1_0/...13.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    11-02-2022 15:45

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General

  • Target

    entry_1_0/Malware_111113.exe

  • Size

    67KB

  • MD5

    31bb101acf2dac98da60970b19724556

  • SHA1

    2059a0e17ae68b6342f7fd60f9e27286cc4e5410

  • SHA256

    bd0a7378cd96701edafc0a8ddd7b2a9904552be29804750bff47b3e08e23319f

  • SHA512

    7266fa80ff54ad0a7a290f8e5a85b616dc0e4ad68049536907487cb4083ab2464761ea858bc99168816606e9d5407bb74dc2e73eb027228c3da3d23b2a86b012

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\uR7ZOTnZH.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
  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\entry_1_0\Malware_111113.exe
    "C:\Users\Admin\AppData\Local\Temp\entry_1_0\Malware_111113.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1724
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1600
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\uR7ZOTnZH.README.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\uR7ZOTnZH.README.txt
    MD5

    f66968c47a64569e2281f65a95991be0

    SHA1

    ef9e3e80bfbea4c3021b226cb8cd00687013b8a8

    SHA256

    4b950c763006e7c4569df8742855cec31bf82f835bd7e2bdcb5f128db34c82bf

    SHA512

    cb4ace1b3e891ab100b3950c6bc133b216e91c8978a3af1ffd75617b606bb7ceb0133f44d37a30a827655e5b84b016d736a732f5f37635bb727e1a5b722cad24

    Download Submit
  • memory/1724-115-0x0000000001273000-0x0000000001275000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1724-116-0x0000000001270000-0x0000000001271000-memory.dmp
    Filesize

    4KB

    Download