MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4. 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


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
SHA3-384 hash: fda3dfce592c41dfb582410fcee4a2d77b54937f6f6ba8d5ca9b7f900079feae56d89b8784bf1b66d91a7a5f4f99d598
SHA1 hash: fa0b5ebcb983509eebc7222725792976fad2aca8
MD5 hash: db5c28ec647afd894c01422584d551a5
humanhash: uranus-spaghetti-happy-utah
File name:Google Photo.exe
Download: download sample
Signature Chaos
Create hunting rule
File size:3'368'448 bytes
First seen:2024-05-24 07:16:06 UTC
Last seen:2024-05-27 16:57:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:s0JR6V45PL2ybTlBpPcmtR9tArJms0dIU1wuKav4WgNFlLKKDGyMgl+ICHusEd:5iylZ9tAcBSGgJtAZu
Threatray 264 similar samples on MalwareBazaar
TLSH T10AF53A3439EB501AF1B3AFB69FE8B896DA6FF7733606645D205003468A23981DDC153E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 30f160fcd0d810d2 (1 x RedLineStealer, 1 x Chaos)
Reporter JAMESWT_WT
Tags:CambiareRotta Chaos ChaosKit exe Ransomware

Intelligence

File Origin
# of uploads :
2
# of downloads :
840
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Google Photo.exe
Verdict:
Malicious activity
Analysis date:
2024-05-07 14:13:38 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/f8dec638-8a10-4147-9eb2-6cca63787efe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66503eecaa38ca2df05dfce5win7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Ransomware Stealth Heur Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a file to the %AppData% subdirectory
Searching for the window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Moving a recently created file
Changing a file
Reading critical registry keys
Modifies multiple files
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-security cmd lolbin ransomware wmic
Link:
https://www.filescan.io/uploads/66503ef532eca5b280fccf06/reports/8dfffae8-80cf-44ae-9090-205f86d136ba/overview
Verdict:
Malicious
Labled as:
Ransom.Imps.Generic
Link:
https://www.hybrid-analysis.com/sample/524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
Result
Verdict:
MALICIOUS
Malware family:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8dda684f-c972-4736-a27f-edc908f19550
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1447042
Signature
.NET source code contains very large strings
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Drops PE files with benign system names
Found ransom note / readme
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: System File Execution Location Anomaly
Tries to harvest and steal browser information (history, passwords, etc)
Uses bcdedit to modify the Windows boot settings
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1447042 Sample: Google Photo.exe Startdate: 24/05/2024 Architecture: WINDOWS Score: 100 77 206.23.85.13.in-addr.arpa 2->77 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus / Scanner detection for submitted sample 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 12 other signatures 2->87 9 Google Photo.exe 4 2->9         started        13 svchost.exe 2->13         started        15 wbengine.exe 3 2->15         started        17 4 other processes 2->17 signatures3 process4 file5 75 C:\Users\user\AppData\Roaming\svchost.exe, PE32 9->75 dropped 103 Deletes shadow drive data (may be related to ransomware) 9->103 19 svchost.exe 3 57 9->19         started        105 Uses bcdedit to modify the Windows boot settings 13->105 23 cmd.exe 13->23         started        25 cmd.exe 13->25         started        27 cmd.exe 13->27         started        29 notepad.exe 13->29         started        107 Creates files inside the volume driver (system volume information) 15->107 signatures6 process7 file8 67 C:\Users\user\Desktop\...\QCOILOQIKC.jpg, ASCII 19->67 dropped 69 C:\Users\user\DesktopbehaviorgraphIGIYTFFYT.pdf, ASCII 19->69 dropped 71 C:\Users\user\Desktop\CZQKSDDMWR.png, ASCII 19->71 dropped 73 28 other malicious files 19->73 dropped 89 Multi AV Scanner detection for dropped file 19->89 91 Deletes shadow drive data (may be related to ransomware) 19->91 93 Overwrites Mozilla Firefox settings 19->93 101 2 other signatures 19->101 31 cmd.exe 1 19->31         started        34 cmd.exe 1 19->34         started        36 cmd.exe 1 19->36         started        38 notepad.exe 19->38         started        95 May disable shadow drive data (uses vssadmin) 23->95 40 vssadmin.exe 23->40         started        42 conhost.exe 23->42         started        44 WMIC.exe 23->44         started        97 Uses bcdedit to modify the Windows boot settings 25->97 46 3 other processes 25->46 99 Deletes the backup plan of Windows 27->99 48 2 other processes 27->48 signatures9 process10 signatures11 109 May disable shadow drive data (uses vssadmin) 31->109 111 Deletes shadow drive data (may be related to ransomware) 31->111 113 Uses bcdedit to modify the Windows boot settings 31->113 50 vssadmin.exe 1 31->50         started        53 WMIC.exe 1 31->53         started        55 conhost.exe 31->55         started        57 bcdedit.exe 8 1 34->57         started        59 bcdedit.exe 9 1 34->59         started        61 conhost.exe 34->61         started        115 Deletes the backup plan of Windows 36->115 63 conhost.exe 36->63         started        65 wbadmin.exe 3 36->65         started        process12 signatures13 79 Deletes shadow drive data (may be related to ransomware) 50->79
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4/
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2024-05-09 11:32:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kjfitdqytgoovsde3owfxbp2f4kdslrytm6df535ldrkrhg7ahca._file
Verdict:
malicious
Similar samples:
0178461a8373f6147042d0c7ca7febb020dc4f600e639d6a53d343c02899bc9a
Chaos
1b4d73a9a7c6d2163e7378c97f01fed223be9daa6acb71c81b11491907473f89
Chaos
38f792a175c366b53407143da8c13ea2f1d3600b00ef8e8f6ec7e0ef79dcb6c0
Chaos
5ab74f0fff69e6c6ddbdbb4bc00262db055a5dde45c60aa7d12f34a8044c0128
Chaos
6b31ca6c8f2e9316d774083b38b454dd9dab046ad40760c2d35ccb417e9a2857
Chaos
9dab6749bdeef4e92502efed4e21f46f8590b7534d01b93576a63f4ac1e77851
Chaos
9df83e2914c2364421893bcdf3048ee04a87bb62f94ce31dbcb5a658708ba89a
Chaos
f4a5aa80ca26fec66638d8d42d54bf261580b8a2d6a664cf74dd47028bfe20a8
Chaos
+ 254 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos defense_evasion evasion execution impact ransomware spyware stealer
Link:
https://tria.ge/reports/240524-h4c72ahf2y/
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
Sets desktop wallpaper using registry
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
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c2e63d64-ea31-4b47-bd6e-0bf1cde11663
Unpacked files
SH256 hash:
524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4
MD5 hash:
db5c28ec647afd894c01422584d551a5
SHA1 hash:
fa0b5ebcb983509eebc7222725792976fad2aca8
Detections:
ChaosRansomware
Create hunting rule
MALWARE_Win_Chaos
Create hunting rule
INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Link:
https://www.unpac.me/results/50ece3eb-b8de-4414-8b5b-3a9f2893ac45/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/524a898e18999ceac864dbac5b85fa2f14392e389b3c32f77d58e2a89cdf01c4

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:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:Detects command variations typically used by ransomware
Rule name:MALWARE_Win_Chaos
Create hunting rule
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
X
https://x.com/malwrhunterteam/status/1793901712975229279

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 (HIGH_ENTROPY_VA)high

Comments