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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
    112s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-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:\Program Files\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 (8868) 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\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:640
  • 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:4404
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\akira_readme.txt
    Filesize

    2KB

    MD5

    a634d7c034bdd75be5ccbba96acd2fbd

    SHA1

    0c40ce9f9010cdef7b577925e676f005eaf60caa

    SHA256

    4f6c6f2b166e573c09683bef0128b407491a912926f2ac0671c66da46fad9689

    SHA512

    32b6a80fee866a333b47f902508f6455a7544713d935883b72688080156fc91de39379a432fc21305dc741420b7572c45c40b25ba71abaa211c48d5046dd22d1

    Download Submit

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

    3KB

    MD5

    61027f040a4b4b34023464a6657583eb

    SHA1

    04a0f3a325e0bd9817eb2ff4ec41ddc35ce57b5a

    SHA256

    b9215a50aeb5d3c5137379232f96912938b68f235a5e8b935a7b85cf0c3e8c76

    SHA512

    eb6ea6fec05decbc0d632b9c875993058fe35b1b827df911e6b887bd7fcd4eb7421a1196dff2ff24a7b1391bd89d97d8bc14275dfa8a26b187dec4de6d2b1740

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a0uw5iry.shl.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • memory/4404-0-0x00007FFAE5373000-0x00007FFAE5375000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4404-1-0x000001D5BE590000-0x000001D5BE5B2000-memory.dmp

    Filesize

    136KB

    Download

  • memory/4404-11-0x00007FFAE5370000-0x00007FFAE5E31000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4404-12-0x00007FFAE5370000-0x00007FFAE5E31000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4404-15-0x00007FFAE5370000-0x00007FFAE5E31000-memory.dmp

    Filesize

    10.8MB

    Download