Overview

overview

10

Static

static

3

aaf5c46e16...5d.exe

windows7-x64

10

aaf5c46e16...5d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 14:40

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General

  • Target

    aaf5c46e16d86bf91a5d733721c29ab69d8c53a1a38ae1038e8aedfc4d91f65d.exe

  • Size

    490KB

  • MD5

    d79d62b3a46352658a50a1cda9232e5c

  • SHA1

    3e4fbc8d507212adb853db29b9568312984b9dec

  • SHA256

    aaf5c46e16d86bf91a5d733721c29ab69d8c53a1a38ae1038e8aedfc4d91f65d

  • SHA512

    9bd94b48885de0e8f33a1cbc7bc6342cc29cca311c55accffbc5007a93797f4581d7d8ce13487a3b7859cac9e66ab89ff6cfd03a24dfdf720be995b31a9aeda5

  • SSDEEP

    3072:0jdKwyQ5akrwYqt3zJHfzypOH+xzVXpVHkK4jzeTCxaB:2dKwy76Jqt3zJWPzTBOzeOa

Score
10/10
conticredential_accessdiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/CRYw7aW6XKQVmbX2DmsLsHyLJJifiT4XLWmSv3Eo5V4pwDkcy6JhL2Y6T2pWXY5g 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--- CRYw7aW6XKQVmbX2DmsLsHyLJJifiT4XLWmSv3Eo5V4pwDkcy6JhL2Y6T2pWXY5g ---END ID---
URLs

http://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/CRYw7aW6XKQVmbX2DmsLsHyLJJifiT4XLWmSv3Eo5V4pwDkcy6JhL2Y6T2pWXY5g

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • Renames multiple (7249) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\aaf5c46e16d86bf91a5d733721c29ab69d8c53a1a38ae1038e8aedfc4d91f65d.exe
    "C:\Users\Admin\AppData\Local\Temp\aaf5c46e16d86bf91a5d733721c29ab69d8c53a1a38ae1038e8aedfc4d91f65d.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D82A54A3-E752-454E-9AEA-6788381260A1}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{D82A54A3-E752-454E-9AEA-6788381260A1}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4880
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\readme.txt
    Filesize

    1KB

    MD5

    cd5bd2556f45ff81cdd6bb80c603254f

    SHA1

    6619f302809bb04d9b587bd6868a50485b6eb98b

    SHA256

    5587545c8e5bf66f3c4b45bfd127a1f5487d93038233d86ffab2a4542cce66d7

    SHA512

    14a972981d08cacef6aab37c766272f3ca24a3628046f7a18bc685264a7ec55d875f3b5494ebd49a2f50b8c14d1d230cc60003fac5e35fd13b5a6eb60a8ec050

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