Overview

overview

10

Static

static

dbc76355c5...le.exe

windows7_x64

10

dbc76355c5...le.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28-09-2021 09:39

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General

  • Target

    dbc76355c56a885a1475174fb5325d61b875fd6207ef465cae05617b49463a38.bin.sample.exe

  • Size

    208KB

  • MD5

    a8ff5d8b106c677713362bc7565cb0fb

  • SHA1

    ee29eaf5a39715f02d1b2c2e518ae14cc338d7c3

  • SHA256

    dbc76355c56a885a1475174fb5325d61b875fd6207ef465cae05617b49463a38

  • SHA512

    d48d0326dc481a2d8ae02c5acf13380397079d0ea286fe1c591ee1da8b10bc40a50a2d6fbd899832bcfd0eb9af6fc6ecaa6026fbdc80070b647dbcef7206ce01

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 email polzarutu1982@protonmail.com Our website TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://m232fdxbfmbrcehbrj5iayknxnggf6niqfj6x4iedrgtab4qupzjlaid.onion HTTPS VERSION : contirecovery.best 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--- sRttGzzkzsoiC9s8LgcrQk64ew7H47a5JSjCsLGbwdijogjulfu3RO9XBJbfEgCZ ---END ID---
Emails

polzarutu1982@protonmail.com

URLs

http://m232fdxbfmbrcehbrj5iayknxnggf6niqfj6x4iedrgtab4qupzjlaid.onion

https://contirecovery.best

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 4 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 desktop.ini file(s) 32 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies data under HKEY_USERS 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbc76355c56a885a1475174fb5325d61b875fd6207ef465cae05617b49463a38.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\dbc76355c56a885a1475174fb5325d61b875fd6207ef465cae05617b49463a38.bin.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3464
    • 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:764
      • 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:3292
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4160
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -s BITS
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:4448
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    PID:2872
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
    1⤵
    • Drops file in Windows directory
    PID:3132

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/764-115-0x0000000000000000-mapping.dmp
    Download
  • memory/3132-118-0x00000185B7600000-0x00000185B7610000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3132-117-0x00000185B75C0000-0x00000185B75D0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3292-116-0x0000000000000000-mapping.dmp
    Download