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Overview

overview

10

Static

static

3

Sigmanly_3...7a.exe

windows7-x64

10

Sigmanly_3...7a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2025, 14:02

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General

  • Target

    Sigmanly_30430bcfeee8141ba1dba3983c9a8d89f3c1acf5b8efd0d97f23d4a122c0787a.exe

  • Size

    1.0MB

  • MD5

    ec0a65af65cc430ed6feb769f92edb6f

  • SHA1

    c11e4b866a56036fa15e48094ef76c5a1e6947ec

  • SHA256

    30430bcfeee8141ba1dba3983c9a8d89f3c1acf5b8efd0d97f23d4a122c0787a

  • SHA512

    4151be2d71b19492b53550ad3d19aa29d025e898e9072b97d2f7efd61ea0ccae9aefc66f32f70a2677ca44c72eeaebe530c1bce2c00a6fa853a4c9433b2de05c

  • SSDEEP

    24576:FTyLPsJjVjzhWwiENiUGC86pNV2GNxgr+oBwGhGs:FTyLPsJjVjzliE0opNV2G7gr+o+GD

Score
10/10
akiraexecutionransomwareransowmwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files (x86)\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/2016972737-RQLWE 3. Use this code - 1360-ZF-CMUO-VNDI - 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/2016972737-RQLWE

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 (8416) 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\Sigmanly_30430bcfeee8141ba1dba3983c9a8d89f3c1acf5b8efd0d97f23d4a122c0787a.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_30430bcfeee8141ba1dba3983c9a8d89f3c1acf5b8efd0d97f23d4a122c0787a.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4560
  • 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:4500
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\akira_readme.txt
    Filesize

    2KB

    MD5

    474562c6d1089572d2dc9e20a6512bb2

    SHA1

    08bbd1548f800dfb2d1ce9417ca8488765406529

    SHA256

    568b10e2c0777fa0213a09ac60cf1dd30c7b23af622197af6b66d560ce83ee43

    SHA512

    6c09327e7693b47e69b5e352e2d8085da5935c3c1d13dbffa44cfb1ba8e8fb340480b76f6b8211243b8939ce40165711ab1ef9004447aeca284e96b0abf4603b

    Download Submit

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

    3KB

    MD5

    4ad1617ce83e9ce8574f15f40f0bd97e

    SHA1

    0e1e6c053282c0cd2470a5615906c2d9d3519472

    SHA256

    29cf27b048cb775b6a4e4e2eafc645b307989d6e27afbbccec8b39193b36970a

    SHA512

    e1cbd6b3ce6d3a1ebbb074ea30679511508ac4340ddfd889e45b536c7645281eeb298fae3e3569a5f058d4dde4325e3b93679503ad4a47cf76a8c9a0010e91cc

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fybvm0ic.uo1.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • memory/4500-0-0x00007FFC43493000-0x00007FFC43495000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4500-1-0x000001A74A370000-0x000001A74A392000-memory.dmp

    Filesize

    136KB

    Download

  • memory/4500-11-0x00007FFC43490000-0x00007FFC43F51000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4500-12-0x00007FFC43490000-0x00007FFC43F51000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4500-15-0x00007FFC43490000-0x00007FFC43F51000-memory.dmp

    Filesize

    10.8MB

    Download