Overview

overview

10

Static

static

f54ae59740...le.exe

windows7_x64

10

f54ae59740...le.exe

windows10_x64

10

Analysis

  • max time kernel
    116s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28-09-2021 09:47

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General

  • Target

    f54ae59740ae0294ce5c4ddea42aebb5e57f830643337f43a18aa15bb25a7344.bin.sample.exe

  • Size

    192KB

  • MD5

    e6676709305e02828f8925810e7ee7b2

  • SHA1

    145505184e63b1656e42cbe1cb7aad7262f35ffe

  • SHA256

    f54ae59740ae0294ce5c4ddea42aebb5e57f830643337f43a18aa15bb25a7344

  • SHA512

    ee99b5dce2f1955c968bf7ee93916dff5c8a3c89fb579416a7adb16be5ea8bf0cae7a12ee7e0baf6bd2ebd3fb10dcc404f111b6f9a39e1c0df184ed10870e7a5

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.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--- yovu99CnCCMMtIplGTnym2q8hKZW3yIhObdXWa4p2pNEzf5sgYIqbPQjMTvgdjtb ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.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\f54ae59740ae0294ce5c4ddea42aebb5e57f830643337f43a18aa15bb25a7344.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\f54ae59740ae0294ce5c4ddea42aebb5e57f830643337f43a18aa15bb25a7344.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:2428
    • 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:4080
      • 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:420
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3740
  • 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:1508
  • 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:1108
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
    1⤵
    • Drops file in Windows directory
    PID:740

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/420-116-0x0000000000000000-mapping.dmp
    Download
  • memory/740-117-0x000001E732F50000-0x000001E732F60000-memory.dmp
    Filesize

    64KB

    Download
  • memory/740-118-0x000001E732F90000-0x000001E732FA0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4080-115-0x0000000000000000-mapping.dmp
    Download