Overview

overview

10

Static

static

10

072158f558...86.exe

windows7_x64

10

072158f558...86.exe

windows10_x64

10

0751c42296...a4.exe

windows7_x64

10

0751c42296...a4.exe

windows10_x64

10

14a3e308c9...5c.exe

windows7_x64

3

14a3e308c9...5c.exe

windows10_x64

3

1c63a4fdee...49.exe

windows7_x64

10

1c63a4fdee...49.exe

windows10_x64

10

1eea3cbd72...c2.exe

windows7_x64

10

1eea3cbd72...c2.exe

windows10_x64

10

20742987e6...41.exe

windows7_x64

10

20742987e6...41.exe

windows10_x64

10

22d7d67c3a...d6.exe

windows7_x64

10

22d7d67c3a...d6.exe

windows10_x64

10

2466fca0e2...4c.exe

windows7_x64

10

2466fca0e2...4c.exe

windows10_x64

10

2aad85dbd4...7c.exe

windows7_x64

10

2aad85dbd4...7c.exe

windows10_x64

10

2c323453e9...09.exe

windows7_x64

10

2c323453e9...09.exe

windows10_x64

10

2cdb5edf30...fd.exe

windows7_x64

10

2cdb5edf30...fd.exe

windows10_x64

10

2e50eb85f6...b2.exe

windows7_x64

10

2e50eb85f6...b2.exe

windows10_x64

10

3a03530c73...17.exe

windows7_x64

10

3a03530c73...17.exe

windows10_x64

10

3a4bd5288b...40.exe

windows7_x64

10

3a4bd5288b...40.exe

windows10_x64

10

4ad9432cc8...91.dll

windows7_x64

10

4ad9432cc8...91.dll

windows10_x64

10

4be85e2083...2b.exe

windows7_x64

10

4be85e2083...2b.exe

windows10_x64

10

Analysis

  • max time kernel
    123s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22-11-2021 13:14

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Report Analysis Logs

General

  • Target

    3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe

  • Size

    79KB

  • MD5

    35aaa2a2208956d1b8752954722ff76d

  • SHA1

    fccda267f03d8dcd815f662f0fdc1e18e9fd4be3

  • SHA256

    3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40

  • SHA512

    25cca12fd228932402aa4ee3f88f1d1db45ff8167aa4a260ecc1d1911f500c239a9d0465547974abfa3ed6f330a4654932df0fa820b8bcd9c9acfb99ccbcb1e3

Score
10/10
blackmatterransomwaresuricata

Malware Config

Extracted

Path

C:\WRLMMTHME.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://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/D4MX4VGFCMO7MFQ6P >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/D4MX4VGFCMO7MFQ6P

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • suricata: ET MALWARE BlackMatter CnC Activity

    suricata: ET MALWARE BlackMatter CnC Activity

    suricata
  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    suricata
  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    suricata
  • Modifies extensions of user files 24 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 3 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe
    "C:\Users\Admin\AppData\Local\Temp\3a4bd5288b89aa26fbe39353b93c1205efa671be4f96e50beae0965f45fdcc40.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3288
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3968

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/3288-119-0x00000000023F0000-0x00000000023F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3288-118-0x00000000023F3000-0x00000000023F5000-memory.dmp
    Filesize

    8KB

    Download