Overview

overview

10

Static

static

b2d3143d07...6a.exe

windows7_x64

3

b2d3143d07...6a.exe

windows10_x64

10

Analysis

  • max time kernel
    121s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    30-10-2021 05:22

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General

  • Target

    b2d3143d0778a10d5d03bb9e4d2712a980e2a8ec12d47958a8ab4b3192f4bf6a.exe

  • Size

    388KB

  • MD5

    bb97b436d1228b690ae475a8bcfe2cc5

  • SHA1

    37ba5ec064414a74ecf86afba89fc57e627b0193

  • SHA256

    b2d3143d0778a10d5d03bb9e4d2712a980e2a8ec12d47958a8ab4b3192f4bf6a

  • SHA512

    32aff9c8508c2475bc9cf831d8343c013e53833320c19844c9a3c60f0ec3e50cb34d846a187081768c2d8b8f28db165e8e252f5c136f1458b37e1337c9c8b2d6

Score
10/10
contiransomwarespywarestealer

Malware Config

Extracted

Path

C:\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI strain. As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly. If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value. To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge. You can contact our team directly for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.ws YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible. ---BEGIN ID--- nzKkndEx0rDO46nuddkFGEIxa62VSAT2C2xmT96cSpAZpL7OzCT3F4B1OocgSH1o ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 14 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2d3143d0778a10d5d03bb9e4d2712a980e2a8ec12d47958a8ab4b3192f4bf6a.exe
    "C:\Users\Admin\AppData\Local\Temp\b2d3143d0778a10d5d03bb9e4d2712a980e2a8ec12d47958a8ab4b3192f4bf6a.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2D3E78C1-16F5-45C2-8C51-8B602BF398FB}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2D3E78C1-16F5-45C2-8C51-8B602BF398FB}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2968
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4088

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

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Downloads

  • memory/1216-117-0x0000000000000000-mapping.dmp
    Download
  • memory/2792-115-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2792-116-0x0000000000940000-0x0000000000974000-memory.dmp
    Filesize

    208KB

    Download
  • memory/2968-118-0x0000000000000000-mapping.dmp
    Download