Overview

overview

10

Static

static

f11724258a...le.exe

windows7_x64

10

f11724258a...le.exe

windows10_x64

10

Analysis

  • max time kernel
    110s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    23-11-2021 17:42

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General

  • Target

    f11724258acba02fa817e411878cd2506c09f4d00fcc47302f55dc7748d50fd9.bin.sample.exe

  • Size

    194KB

  • MD5

    31c250609693ca7450a1d79840c51057

  • SHA1

    eca2dea03f2c5eac7bbf54e1d212f0fc61d936f8

  • SHA256

    f11724258acba02fa817e411878cd2506c09f4d00fcc47302f55dc7748d50fd9

  • SHA512

    eac254d9a4950666747fad7534c815bafcdc75b6862bb442c9a4d9b4c00aedc2e9317514b7e76f5453c4f0ca55327c88e8cec743a46ccac78fcbfa3e32700424

Score
10/10
contiransomwarespywarestealer

Malware Config

Extracted

Path

C:\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI ransomware. If you try to use any additional recovery software - the files might be damaged or lost. To make sure that we REALLY CAN recover data - we offer you to decrypt samples. You can contact us 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 your 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 ASAP ---BEGIN ID--- 1XOTsYKOEFHqHwWPPYpfi6QfUEK4rHVxjLeOYfZwL4AYYuRtXTJdINrIQGMGRNVQ ---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 5 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\f11724258acba02fa817e411878cd2506c09f4d00fcc47302f55dc7748d50fd9.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\f11724258acba02fa817e411878cd2506c09f4d00fcc47302f55dc7748d50fd9.bin.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EF6BEA9C-45E8-4C04-814F-EBA74A04A6CD}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EF6BEA9C-45E8-4C04-814F-EBA74A04A6CD}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2896
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3576

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

Replay Monitor

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Downloads

  • memory/2896-119-0x0000000000000000-mapping.dmp
    Download
  • memory/3696-118-0x0000000000000000-mapping.dmp
    Download