Overview

overview

10

Static

static

10

2e50eb85f6...le.exe

windows7_x64

10

2e50eb85f6...le.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-en-20210916
  • submitted
    20-09-2021 12:45

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.bin.sample.exe

  • Size

    79KB

  • MD5

    18c7c940bc6a4e778fbdf4a3e28151a8

  • SHA1

    f3589918d71b87c7e764479b79c4a7b485cb746a

  • SHA256

    2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2

  • SHA512

    6e808fe882640a517c2054fdece73059c7ea3e27a946e55f41b91fd0f757dcd8c76be8f381f60f3e45449edebaa4f620b903337727607f7768543b1acec40d18

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\SykSKioSK.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 250 GB of 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. Blog post link: http://blackmax7su6mbwtcyo3xwtpfxpm356jjqrs34y4crcytpw7mifuedyd.onion/YdWh7oMKjT/13f1a8efc53e2fa712813f4c39147a79 >>> 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/5AZHJFLKJNPOJ4F5O5T >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://blackmax7su6mbwtcyo3xwtpfxpm356jjqrs34y4crcytpw7mifuedyd.onion/YdWh7oMKjT/13f1a8efc53e2fa712813f4c39147a79

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/5AZHJFLKJNPOJ4F5O5T

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 7 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies registry class 20 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.bin.sample.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
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\SykSKioSK.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:320
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:396
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\SykSKioSK.README.txt
    MD5

    b7f54f12f8d46188c98172cf6c39f91e

    SHA1

    73f9572f52d54b2cffb8e4464f28453bc3d192b9

    SHA256

    dedefcd61e8ed1e5a7c8a9469aad4605042ce2eb69c2b20cf6e1ed9b8a14f56d

    SHA512

    2f0f138db798902990fb4c4cd4f05c66f656a7aef5aa186bad17a39683973c98da392b5207d9ba654a6e2774d920bbf2afea996513e91d159cb87961548374d5

    Download Submit
  • C:\Users\Admin\Documents\ReceiveTest.xps.SykSKioSK
    MD5

    68fed270fa2b30c84f09548536363dc0

    SHA1

    3273cb0686b2adf70354678339c90ca42fd3caf5

    SHA256

    36f8ea2190f3313953cf20a40121ae130690a2d8be3e6c86b382ba928abbca45

    SHA512

    9de50649dfdc9402d80ab244dacfd3a9fceb343e65ce591c0f54bcbe1eb78f3f05cc49263aec28569487a2d63829a7d49dace58fcf56b05116b89069a706a49b

    Download Submit
  • C:\Users\Admin\Documents\UnblockReset.xps.SykSKioSK
    MD5

    daa3907719513eb079a9c2604e173dd0

    SHA1

    130f0c62d666b34e2dc1ae304723ae3cc5ba05aa

    SHA256

    44a1255f77994ede7874e5a616c89b9cb3dad09590a907053ad026d85e673167

    SHA512

    1933af35d8b076f9b2aed00e3a90a5e7ac1bf80bf516efbb324469bb691c530990ec96e88ee3798a2742b9b231a6a1af1834a54abbf1010d6e1bff4be757e4c7

    Download Submit
  • memory/320-58-0x0000000000000000-mapping.dmp
    Download
  • memory/396-61-0x0000000000000000-mapping.dmp
    Download
  • memory/396-62-0x000007FEFC401000-0x000007FEFC403000-memory.dmp
    Filesize

    8KB

    Download
  • memory/396-65-0x00000000041D0000-0x00000000041D1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/532-54-0x0000000075EC1000-0x0000000075EC3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/532-55-0x0000000001DB5000-0x0000000001DC6000-memory.dmp
    Filesize

    68KB

    Download
  • memory/532-56-0x0000000001DB0000-0x0000000001DB1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/532-57-0x0000000001DC6000-0x0000000001DC7000-memory.dmp
    Filesize

    4KB

    Download