Overview

overview

10

Static

static

3

aaa7799edf...b9.exe

windows7-x64

10

aaa7799edf...b9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 03:22

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General

  • Target
    aaa7799edfd86b52438a9e0d71f8069cbcbe1988036b95888fcdc553e729b7b9.exe
  • Size 1.0MB
  • Sample241106-dw4ykasrew
  • SHA256 aaa7799edfd86b52438a9e0d71f8069cbcbe1988036b95888fcdc553e729b7b9
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
akiraexecutionransomwareransowmwarespywarestealer

Malware Config

Extracted

Path

  • C:\Program Files\7-Zip\akira_readme.txt

  • akira

Ransom Note
  • Hi friends, Whatever who you are and what your title is if you're reading this it means the internal infrastructure of your company is fully or partially dead, all your backups - virtual, physical - everything that we managed to reach - are completely removed. Moreover, we have taken a great amount of your corporate data prior to encryption. Well, for now let's keep all the tears and resentment to ourselves and try to build a constructive dialogue. We're fully aware of what damage we caused by locking your internal sources. At the moment, you have to know: 1. Dealing with us you will save A LOT due to we are not interested in ruining your financially. We will study in depth your finance, bank & income statements, your savings, investments etc. and present our reasonable demand to you. If you have an active cyber insurance, let us know and we will guide you how to properly use it. Also, dragging out the negotiation process will lead to failing of a deal. 2. Paying us you save your TIME, MONEY, EFFORTS and be back on track within 24 hours approximately. Our decryptor works properly on any files or systems, so you will be able to check it by requesting a test decryption service from the beginning of our conversation. If you decide to recover on your own, keep in mind that you can permanently lose access to some files or accidently corrupt them - in this case we won't be able to help. 3. The security report or the exclusive first-hand information that you will receive upon reaching an agreement is of a great value, since NO full audit of your network will show you the vulnerabilities that we've managed to detect and used in order to get into, identify backup solutions and upload your data. 4. As for your data, if we fail to agree, we will try to sell personal information/trade secrets/databases/source codes - generally speaking, everything that has a value on the darkmarket - to multiple threat actors at ones. Then all of this will be published in our blog - https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion. 5. We're more than negotiable and will definitely find the way to settle this quickly and reach an agreement which will satisfy both of us. If you're indeed interested in our assistance and the services we provide you can reach out to us following simple instructions: 1. Install TOR Browser to get access to our chat room - https://www.torproject.org/download/. 2. Paste this link - https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion/d/3175904882-XTBIJ 3. Use this code - 9683-QE-ETXZ-GHWN - to log into our chat. Keep in mind that the faster you will get in touch, the less damage we cause.
URLs

  • https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion

  • https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion/d/3175904882-XTBIJ

Signatures

  • Akira

    Akira is a ransomware first seen in March 2023 and targets several industries, including education, finance, real estate, manufacturing, and consulting.

    ransomwareakira
  • Akira family
    akira
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Renames multiple (8371) files with added filename extension

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

    ransomware
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell command to delete shadowcopy.

    executionransowmware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\aaa7799edfd86b52438a9e0d71f8069cbcbe1988036b95888fcdc553e729b7b9.exe
    "C:\Users\Admin\AppData\Local\Temp\aaa7799edfd86b52438a9e0d71f8069cbcbe1988036b95888fcdc553e729b7b9.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4040
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -Command "Get-WmiObject Win32_Shadowcopy | Remove-WmiObject"
    1⤵
    • Process spawned unexpected child process
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4596
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2268

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        akira_readme.txt
        • Path C:\Program Files\7-Zip\akira_readme.txt
        • Size 2KB
        • SHA256 6dd6401da86a4fa1e8b74802fa9417b573dec2c29beaa8827494702f07024c4b
        • MD5 SHA1 SHA512
        Submit Download

        powershell.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 3KB
        • SHA256 2a69d098b6a4e7339f225abb746a534a8116c2c30ccfa222cbb990143c34d514
        • MD5 SHA1 SHA512
        Submit Download

        __PSScriptPolicyTest_1ewetc4n.j0j.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ewetc4n.j0j.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512
        Submit Download

        memory/4596-0-0x00007FFDF1893000-0x00007FFDF1895000-memory.dmp
        Download

        memory/4596-11-0x00007FFDF1890000-0x00007FFDF2351000-memory.dmp
        Download

        memory/4596-10-0x000001E6D5790000-0x000001E6D57B2000-memory.dmp
        Download

        memory/4596-12-0x00007FFDF1890000-0x00007FFDF2351000-memory.dmp
        Download

        memory/4596-15-0x00007FFDF1890000-0x00007FFDF2351000-memory.dmp
        Download