Overview

overview

10

Static

static

54f3ad16ac...37.dll

windows7_x64

10

54f3ad16ac...37.dll

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30-09-2021 19:48

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General

  • Target

    54f3ad16acb12eb0c69afc3dee0c9354a8a1477e590ce223ebe2845de8470d37.dll

  • Size

    356KB

  • MD5

    a4893ca94d909ae8a152a8afc1a66523

  • SHA1

    cfe5b8b1dba12c328994b2977ef6d82138c406dc

  • SHA256

    54f3ad16acb12eb0c69afc3dee0c9354a8a1477e590ce223ebe2845de8470d37

  • SHA512

    d5b97a444336a8fb2b136c8215e88ce032accce9704c9a7e7006a94c2b967dc032714ac109a0732ca9bd68454c58772bf79f244ecbe6f0952837745951d24540

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.click 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--- 1FYilun9uVGMYcfVQRhq9lukAQM9CryXIuVDMxUWCkpiApKU4d5zSfmvF2jxrxbZ ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.click

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 10 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) 31 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\54f3ad16acb12eb0c69afc3dee0c9354a8a1477e590ce223ebe2845de8470d37.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\54f3ad16acb12eb0c69afc3dee0c9354a8a1477e590ce223ebe2845de8470d37.dll,#1
      2⤵
      • 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:908
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{493E2A7D-D35C-4823-8312-DB6A87B45E66}'" delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3844
        • C:\Windows\SysWOW64\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{493E2A7D-D35C-4823-8312-DB6A87B45E66}'" delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2820
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2964
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2420
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
    1⤵
    • Drops file in Windows directory
    PID:2236

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/908-114-0x0000000000000000-mapping.dmp
    Download
  • memory/908-115-0x0000000003EB0000-0x0000000003ED3000-memory.dmp
    Filesize

    140KB

    Download
  • memory/908-116-0x0000000010000000-0x000000001005C000-memory.dmp
    Filesize

    368KB

    Download
  • memory/2236-119-0x0000021402480000-0x0000021402490000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2236-120-0x00000214024C0000-0x00000214024D0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2820-118-0x0000000000000000-mapping.dmp
    Download
  • memory/3844-117-0x0000000000000000-mapping.dmp
    Download