MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86b421d47957716217c6aa646402f2a85fb7b1cc2eb988e22102d5a2b2af38d4. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Akira


Vendor detections: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: 86b421d47957716217c6aa646402f2a85fb7b1cc2eb988e22102d5a2b2af38d4
SHA3-384 hash: ced017c8247aa4479a90267813d3ccbf593a1c06b2cce2312112783b2cfdf1dc489afe2594d0320d95131abd962645c9
SHA1 hash: 6d420c4a8b16a031b1ee18934366260657272f52
MD5 hash: aaf295f600b8d6b211880e458dac8350
humanhash: wyoming-cat-item-orange
File name:86b421d47957716217c6aa646402f2a85fb7b1cc2eb988e22102d5a2b2af38d4
Download: download sample
Signature Akira
File size:1'076'736 bytes
First seen:2025-02-05 05:38:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6c864ce260dd3952094fbdbfe5597535 (23 x Akira)
ssdeep 24576:FTyLPsJjVjzhWwiENiUGC86pNV2GNxgr+oBwGlGs:FTyLPsJjVjzliE0opNV2G7gr+o+Gn
TLSH T1B0352A41A5164AF6F6528ABE4A32C02FEEF736050B11DAE74581763A2F070ED2F7C359
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter TheRavenFile
Tags:akira exe Ransomware


Avatar
RakeshKrish12
Source: https://github.com/TheRavenFile/Daily-Hunt/blob/main/Akira%20Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
577
Origin country :
IN IN
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
86b421d47957716217c6aa646402f2a85fb7b1cc2eb988e22102d5a2b2af38d4
Verdict:
Malicious activity
Analysis date:
2025-02-05 05:40:40 UTC
Tags:
stealer akira ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
ransomware filecrypt virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Launching a process
Creating a process with a hidden window
Creating a file
Changing a file
Delayed writing of the file
Modifies multiple files
Creating a file in the Program Files directory
Modifying an executable file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files directory
Moving a file to the Program Files subdirectory
Replacing files
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive expand explorer fingerprint lolbin microsoft_visual_cc obfuscated
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Akira Ransomware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.spyw.evad.mine
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Found ransom note / readme
Found strings related to Crypto-Mining
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Deletion of Volume Shadow Copies via WMI with PowerShell
Tries to harvest and steal browser information (history, passwords, etc)
Writes a notice file (html or txt) to demand a ransom
Yara detected Akira Ransomware
Behaviour
Behavior Graph:
Threat name:
Win64.Ransomware.Akira
Status:
Malicious
First seen:
2025-01-24 16:07:31 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:akira execution ransomware ransowmware spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Drops desktop.ini file(s)
Drops startup file
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Renames multiple (8609) files with added filename extension
Akira
Akira family
Process spawned unexpected child process
Verdict:
Unknown
Tags:
ransomware akira
YARA:
Akira MALWARE_Win_Akira Windows_Ransomware_Akira_c8c298ba
Unpacked files
SH256 hash:
86b421d47957716217c6aa646402f2a85fb7b1cc2eb988e22102d5a2b2af38d4
MD5 hash:
aaf295f600b8d6b211880e458dac8350
SHA1 hash:
6d420c4a8b16a031b1ee18934366260657272f52
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MALWARE_Win_Akira
Author:ditekSHen
Description:Detects Akira Ransomware Windows
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multi_Ransomware_Akira_21842eb3
Author:Elastic Security
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Windows_Ransomware_Akira_c8c298ba
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleScreenBufferInfo
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW

Comments