Overview

overview

10

Static

static

10

38035325b7...75.exe

windows7-x64

10

38035325b7...75.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    163s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 13:28

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General

  • Target

    38035325b785329e3f618b2a0b90eb75.exe

  • Size

    78KB

  • MD5

    38035325b785329e3f618b2a0b90eb75

  • SHA1

    33294a6c609b6ced2acef3964d7ec34dc0101a9a

  • SHA256

    5da8d2e1b36be0d661d276ea6523760dbe3fa4f3fdb7e32b144812ce50c483fa

  • SHA512

    675a0defdfa3de5f54ece0297d955372480f25e8b9f27fa700d5cdc2c6ecedadc7b68cac2f8e2e452bdbab6a958593f45d3eab14d6e7bbfee472383879bd7b17

  • SSDEEP

    1536:WnICS4ArFnRoHhcVyid9EZZoi+zQQaHYqf5O4QN:BZnmqVyq9EN+MvlZQ

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\jvdo5eVo9.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 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/O3KTUJZRE6CB4Q1OBR >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/O3KTUJZRE6CB4Q1OBR

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Renames multiple (149) 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\38035325b785329e3f618b2a0b90eb75.exe
    "C:\Users\Admin\AppData\Local\Temp\38035325b785329e3f618b2a0b90eb75.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4108
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4060

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\jvdo5eVo9.README.txt
    Filesize

    1KB

    MD5

    2a2ac841d6b7515f4b1021b92cc5f072

    SHA1

    e48a7a2be20b978f71a92f12ada328bcfd0b89c6

    SHA256

    9a59566d9ef3bab7faf9abc23f25aa19218d5afa2a910144acd011a78521377e

    SHA512

    a7944a10f2721db3dbdf5c36e80aae057c5fc8e2aab22a8d50c4d4e6436a7e22313257dd934961db1fa5e506c39ca23600c9d3e96a463221c13b54651bd47579

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  • memory/4108-0-0x00000000029D0000-0x00000000029E0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4108-1-0x00000000029D0000-0x00000000029E0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4108-250-0x00000000029D0000-0x00000000029E0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4108-251-0x00000000029D0000-0x00000000029E0000-memory.dmp
    Filesize

    64KB

    Download