MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0a0f1e0ef771046285f78b7af20aac3384b521dbbf6bc69ca6d559cc15d9f97e. 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
Chaos
Vendor detections: 15
| SHA256 hash: | 0a0f1e0ef771046285f78b7af20aac3384b521dbbf6bc69ca6d559cc15d9f97e |
|---|---|
| SHA3-384 hash: | 3c07cade76ebe8923e8054685fac562c21d4cbe60bfd845d92f802861edfaa5d3b47bc160712c58bd9e3dea35b0de2c5 |
| SHA1 hash: | f277abb67529f37f2486bbf4fab7ef107575b755 |
| MD5 hash: | 2cc372097f710c7a6cbb8b4d7f99636e |
| humanhash: | william-two-finch-pasta |
| File name: | mymusic.exe |
| Download: | download sample |
| Signature | Chaos |
| File size: | 28'160 bytes |
| First seen: | 2025-07-16 00:42:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger) |
| ssdeep | 384:PftWZPzzxAm1vp5ZRoDCFKW6pAnAQ56VlTOy5o91TJpu82vtJS:PW7zxAmpfyCz6pVQ5sho9fY82VJS |
| TLSH | T140C2B548B7FA4A36F6FF6F7869F251014736B952EC29D74E088D50890C32B8C8D60B67 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  nickkuechel |
| Tags: | Chaos exe Ransomware |
Intelligence
File Origin
# of uploads :
1
# of downloads :
430
Origin country :
USVendor Threat Intelligence
Malware family:
ryuk
ID:
1
File name:
mymusic.exe
Verdict:
Malicious activity
Analysis date:
2025-07-13 13:42:15 UTC
Tags:
auto-reg ransomware auto-startup crypto-regex chaos ryuk
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Chaos
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware dropper sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a process from a recently created file
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching a service
Changing a file
Reading critical registry keys
Modifies multiple files
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Creating a window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Deleting volume shadow copies
Preventing system recovery
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Stealing user critical data
Creating a file in the mass storage device
Encrypting user's files
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-security azorult base64 chaos cmd filecoder hydracrypt lolbin ransomware reconnaissance veeam wmic
Verdict:
Malicious
Labled as:
Ransom.Small.Generic
Malware family:
CHAOS Ransomware
Verdict:
Malicious
Score:
0%
Verdict:
Benign
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.01 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Ransomware.Small
Status:
Malicious
First seen:
2025-07-13 13:42:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 35 (88.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
spectraransomware
Result
Malware family:
chaos
Score:
10/10
Tags:
family:chaos defense_evasion evasion execution impact persistence ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Deletes backup catalog
Disables Task Manager via registry modification
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Chaos family
Verdict:
Malicious
Tags:
ransomware chaos Win.Ransomware.Hydracrypt-9878672-0
YARA:
Destructive_Ransomware_Gen1 MALWARE_Win_Chaos
Unpacked files
SH256 hash:
0a0f1e0ef771046285f78b7af20aac3384b521dbbf6bc69ca6d559cc15d9f97e
MD5 hash:
2cc372097f710c7a6cbb8b4d7f99636e
SHA1 hash:
f277abb67529f37f2486bbf4fab7ef107575b755
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Destructive_Ransomware_Gen1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects destructive malware |
| Reference: | http://blog.talosintelligence.com/2018/02/olympic-destroyer.html |
| Rule name: | Destructive_Ransomware_Gen1_RID31CB |
|---|---|
| Author: | Florian Roth |
| Description: | Detects destructive malware |
| Reference: | http://blog.talosintelligence.com/2018/02/olympic-destroyer.html |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | INDICATOR_SUSPICIOUS_GENRansomware |
|---|---|
| Author: | ditekSHen |
| Description: | Detects command variations typically used by ransomware |
| Rule name: | INDICATOR_SUSPICOUS_EXE_References_VEEAM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing many references to VEEAM. Observed in ransomware |
| Rule name: | MALWARE_Win_Chaos |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Chaos ransomware |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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