Overview

overview

10

Static

static

10

be5bc29f58...b7.exe

windows7_x64

10

be5bc29f58...b7.exe

windows10_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 00:33

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General

  • Target

    be5bc29f58b868f4ff8cd66b4526535593e515a697bb8951c625bdfed13cccb7.exe

  • Size

    95KB

  • MD5

    75298c9dbf9784fee95782f5db5c3231

  • SHA1

    ea09bf1a3b51f66b41f529615ad78eb4db0c7e8f

  • SHA256

    be5bc29f58b868f4ff8cd66b4526535593e515a697bb8951c625bdfed13cccb7

  • SHA512

    2e54261caaa9ed73b74190e459c6eddec2ba120cb45da4d74c56a0f876565cfe2c232e788a6f6502c27db146380658c695515e2ee7cd67d9aa7be240f0d9a927

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

\??\Z:\uR7ZOTnZH.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 100++ GB of 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. >> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/OEJ8DVY73TL6236QWOHHJFWX >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/OEJ8DVY73TL6236QWOHHJFWX

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be5bc29f58b868f4ff8cd66b4526535593e515a697bb8951c625bdfed13cccb7.exe
    "C:\Users\Admin\AppData\Local\Temp\be5bc29f58b868f4ff8cd66b4526535593e515a697bb8951c625bdfed13cccb7.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3788
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/3788-115-0x0000000002853000-0x0000000002855000-memory.dmp
    Filesize

    8KB

    Download
  • memory/3788-116-0x0000000002850000-0x0000000002851000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3788-117-0x0000000002855000-0x0000000002856000-memory.dmp
    Filesize

    4KB

    Download