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Overview

overview

10

Static

static

3

2025-02-27...ke.exe

windows7-x64

10

2025-02-27...ke.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 18:49

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General

  • Target

    2025-02-27_b5873a60af597ce01867fede65c2846f_akira_cobalt-strike.exe

  • Size

    1.0MB

  • MD5

    b5873a60af597ce01867fede65c2846f

  • SHA1

    73aaafee11af4949d8bef1dea2a18b882b073d41

  • SHA256

    a0cf7860499118926c61f08dc2e6b8701b90f16cf3887aebf79111e6ac2763c6

  • SHA512

    4ae26589b17001f28d6327ecff66ad65fc1e235738b82ed17b24e7129c9976fd9948c79907a4ed41667f0acf2b9f89299400bdba27a0881255b3e79b21f642b6

  • SSDEEP

    24576:FTyLPsJjVjzhWwiENiUGC86pNV2GNxgr+oBwG7Gs:FTyLPsJjVjzliE0opNV2G7gr+o+Gp

Score
10/10
akiraexecutionransomwareransowmwarespywarestealer

Malware Config

Extracted

Path

C:\PerfLogs\Admin\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/d/5954206765-VJFFW 3. Use this code - 3741-NY-OYRD-FUKN - 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/5954206765-VJFFW

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 (8658) 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) 47 IoCs
  • Drops file in System32 directory 1 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\2025-02-27_b5873a60af597ce01867fede65c2846f_akira_cobalt-strike.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-27_b5873a60af597ce01867fede65c2846f_akira_cobalt-strike.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1180
  • 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
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2944
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3012

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\PerfLogs\Admin\akira_readme.txt
    Filesize

    2KB

    MD5

    a634d7c034bdd75be5ccbba96acd2fbd

    SHA1

    0c40ce9f9010cdef7b577925e676f005eaf60caa

    SHA256

    4f6c6f2b166e573c09683bef0128b407491a912926f2ac0671c66da46fad9689

    SHA512

    32b6a80fee866a333b47f902508f6455a7544713d935883b72688080156fc91de39379a432fc21305dc741420b7572c45c40b25ba71abaa211c48d5046dd22d1

    Download Submit

  • memory/2944-4-0x000007FEF5C6E000-0x000007FEF5C6F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2944-5-0x000000001B940000-0x000000001BC22000-memory.dmp

    Filesize

    2.9MB

    Download

  • memory/2944-6-0x0000000001D20000-0x0000000001D28000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2944-7-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2944-8-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2944-9-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

    Filesize

    9.6MB

    Download