Analysis

  • max time kernel
    111s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 19:30

General

  • Target

    Akira.exe

  • Size

    1005KB

  • MD5

    de883a502b6c1663bd3aaa6ff5d344be

  • SHA1

    d3d59c052cbc9ad6f25e761c04f70001d8cf4eb9

  • SHA256

    c9c4a8dc17a7a2472b3221084c36d7f7755efce0985fdb257bdf969ee00f231e

  • SHA512

    50e789f996771bc1affcb1570b8a0db41f27d90a27ce8022c2a79b1c8ed7474536608e2328e74d94c1591d5cfd2da9415da5c29a2e9f04f9ba98f982e9df2c15

  • SSDEEP

    12288:wbWIqB/A1gv9XQ7ZNlZDV3LEWI+Xx+uBW6y4qNmh+:wbyxv9XQ7B3oWI+XHW6y4W

Malware Config

Extracted

Path

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

Family

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. 3. Use this code - 5283-RJ-BUUT-MPCF - 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

Signatures

  • Akira

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

  • Process spawned unexpected child process 1 IoCs

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

  • Renames multiple (8350) files with added filename extension

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell command to delete shadowcopy.

  • 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.

  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Akira.exe
    "C:\Users\Admin\AppData\Local\Temp\Akira.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4516
  • 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:2620
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    2a88791b7236bbc036c4111a46d17be7

    SHA1

    e8c69f5dea41fe7c3afb8ba0c396f2531e2879c7

    SHA256

    851e8f0525c2049317a1ad803d6b3ebc49327f4309e4b157702a4b6a7171875c

    SHA512

    9ec05a33b74e72ac5f574a4a525aba82968558db26e13d975a6f91c96ac3bfe91f6beebcc1b873312ff8eb71c8f00760eda6e113de7568869e1258143c1ea4a3

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    3KB

    MD5

    71dc55b8f263de041360a297c90fd80a

    SHA1

    dcc4eed58cf6fb163d6089ced8395951e4859c6a

    SHA256

    5e3b09e8804f20796e1665f1d043d35855c766f9086c4347903abbdc01e444b7

    SHA512

    608adbc8a92c6f7728b5d2d00226796b988e33c2e9b23a7c8686a88ee66bf969f4e4b1af0d1adadb9c44f9571d05a563f9d44c4cfe8ab76e8d8b998b408af312

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0olq42v2.zwe.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2620-0-0x00007FFAE4533000-0x00007FFAE4535000-memory.dmp

    Filesize

    8KB

  • memory/2620-1-0x00000127FD890000-0x00000127FD8B2000-memory.dmp

    Filesize

    136KB

  • memory/2620-11-0x00007FFAE4530000-0x00007FFAE4FF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2620-12-0x00007FFAE4530000-0x00007FFAE4FF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2620-15-0x00007FFAE4530000-0x00007FFAE4FF1000-memory.dmp

    Filesize

    10.8MB