MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7e84f42879e6649dc59f4a1f10e77e6fbab29702f1723d63a617cad58b7448b6. 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: 16
| SHA256 hash: | 7e84f42879e6649dc59f4a1f10e77e6fbab29702f1723d63a617cad58b7448b6 |
|---|---|
| SHA3-384 hash: | 6cd800457e98f0761457c416eeb726592ad7defc554cbaa94f366043b1212e2b9fe612a17bb79f1fed46d3fb66e6bac7 |
| SHA1 hash: | fac600a30371994ecbdc2e36b3b2dfe3a19c467d |
| MD5 hash: | 9c262d3507270c81780687247442c89a |
| humanhash: | equal-utah-equal-pip |
| File name: | Atasurefinery Aggrement Atasurefinery Aggrement Atasurefinery Aggrement Atasurefinery Aggrement Atasurefinery Aggrement Atasurefinery Aggrement Atasurefinery Aggrement.pdf.exe |
| Download: | download sample |
| Signature | Chaos |
| File size: | 622'689 bytes |
| First seen: | 2025-09-30 15:28:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7c75a83e117d2bdfb2814c53e840c172 (3 x SalatStealer, 2 x Chaos, 1 x XWorm) |
| ssdeep | 6144:sj1zho1x2kD02IXYwa6fWnUh7bxa57SzYCO8gG4iR+v/74D8+xnoL+lDAAik2/hn:khoVY2+LfWvRSECKG4iRkTqoSdAAik2V |
| Threatray | 314 similar samples on MalwareBazaar |
| TLSH | T16BD44CE4E79440F8D0A3957988378653E633780E4F649A4F17E1BE5B3E33391892AB53 |
| TrID | 92.4% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39) 3.6% (.EXE) Win64 Executable (generic) (10522/11/4) 1.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 0.7% (.EXE) OS/2 Executable (generic) (2029/13) 0.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter | Anonymous |
| Tags: | Chaos exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
78
Origin country :
USVendor Threat Intelligence
Malware family:
ryuk
ID:
1
File name:
b49ca4c2-bf13-4710-ba5a-2b455a6310ee
Verdict:
Malicious activity
Analysis date:
2025-09-30 15:31:55 UTC
Tags:
crypto-regex chaos ryuk ransomware auto-startup
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:
underscore ransomware dropper spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the Program Files directory
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a process with a hidden window
Launching a process
Creating a file
Creating a file in the %AppData% directory
Changing a file
Reading critical registry keys
Modifies multiple files
Moving a file to the %AppData% subdirectory
Creating a file in the %AppData% subdirectories
Running batch commands
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Deleting volume shadow copies
Preventing system recovery
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm fingerprint installer masquerade microsoft_visual_cc obfuscated overlay packed packer_detected ransomware sfx
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Verdict:
Unknown
File Type:
exe x64
Verdict:
Unknown
Score:
77%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.CHAOS
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-09-27 18:16:59 UTC
File Type:
PE+ (Exe)
Extracted files:
27
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_063
chaos
genericransomware
Similar samples:
+ 304 additional samples on MalwareBazaar
Result
Malware family:
chaos
Score:
10/10
Tags:
family:chaos adware defense_evasion discovery evasion execution impact persistence ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Interacts with shadow copies
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
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
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Chaos family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7e84f42879e6649dc59f4a1f10e77e6fbab29702f1723d63a617cad58b7448b6
MD5 hash:
9c262d3507270c81780687247442c89a
SHA1 hash:
fac600a30371994ecbdc2e36b3b2dfe3a19c467d
SH256 hash:
1455ebe290d61b3930f6ed97039c1236ae1b68dd4eb615b95c3347a02704a16e
MD5 hash:
2b4331179da94de7e3bd0f1a96036573
SHA1 hash:
b9009ad14b8dcc715bf76aeeb051ee65c51c745e
Malware family:
Chaos
Verdict:
Malicious
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MAL_RANSOM_COVID19_Apr20_1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects ransomware distributed in COVID-19 theme |
| Reference: | https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/ |
| Rule name: | MAL_RANSOM_COVID19_Apr20_1_RID2ECC |
|---|---|
| Author: | Florian Roth |
| Description: | Detects ransomware distributed in COVID-19 theme |
| Reference: | https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/ |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SelfExtractingRAR |
|---|---|
| Author: | Xavier Mertens |
| Description: | Detects an SFX archive with automatic script execution |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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