MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7826978642c568f975e2b65d1575fdf92e634f7c80db2c86c9d7c8066e8955b8. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7826978642c568f975e2b65d1575fdf92e634f7c80db2c86c9d7c8066e8955b8
SHA3-384 hash: 2055bb08377ab6337e69e87121f218026769065cb1a4371c9b52ce462b2623c84170b9af5c9dfd5a95a4993857be582c
SHA1 hash: c896d5f151481f5b4078f7ff67f3957abb9d97b8
MD5 hash: d80c38192b6a2eb32833de68de263c66
humanhash: happy-blue-mobile-ten
File name:2023-01-29_d80c38192b6a2eb32833de68de263c66_wannacry
Download: download sample
Signature Chaos
Create hunting rule
File size:279'040 bytes
First seen:2023-01-29 05:22:44 UTC
Last seen:2023-01-30 08:56:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:lr9WKUz+LavTovL2SPsw21qvVq3DQ1luWGmxjzejRq1GVr:FU+arovaSPsf16Vq3auWHxfejI1GVr
Threatray 4'088 similar samples on MalwareBazaar
TLSH T15554FA2439FF501EF1B3EFA55FD4B9EADE6EF6322A0A606A109003474713D81DD9163A
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:Chaos Ransomware

Intelligence

File Origin
# of uploads :
3
# of downloads :
419
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-01-29_d80c38192b6a2eb32833de68de263c66_wannacry
Verdict:
Malicious activity
Analysis date:
2023-01-29 05:24:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5594b182-2f8d-42ab-82a2-8c83cda3ca1b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Chaos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/357870/
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
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
Modifying an executable file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe filecoder hydracrypt packed ransomware sorry
Link:
https://www.filescan.io/uploads/63d602b71c9cbf7d62540c7d/reports/e1663931-88aa-4078-9141-867979acf346/overview
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:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/391ed928-4cf3-4f6f-b01f-7cbaae79173e
Result
Threat name:
Chaos, Conti, TrojanRansom
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160951
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Machine Learning detection for dropped file
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
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Drops script at startup location
Uses bcdedit to modify the Windows boot settings
Yara detected Chaos Ransomware
Yara detected Conti ransomware
Yara detected RansomwareGeneric
Yara detected TrojanRansom
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793688 Sample: w5wCCs94Bx.exe Startdate: 29/01/2023 Architecture: WINDOWS Score: 100 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus / Scanner detection for submitted sample 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 9 other signatures 2->85 8 w5wCCs94Bx.exe 4 2->8         started        12 svchost.exe 6 2->12         started        14 wbengine.exe 2->14         started        16 4 other processes 2->16 process3 file4 73 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->73 dropped 75 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->75 dropped 77 C:\Users\user\AppData\...\w5wCCs94Bx.exe.log, CSV 8->77 dropped 103 Drops PE files with benign system names 8->103 18 svchost.exe 3 51 8->18         started        105 Deletes shadow drive data (may be related to ransomware) 12->105 107 Uses bcdedit to modify the Windows boot settings 12->107 22 cmd.exe 12->22         started        24 cmd.exe 12->24         started        26 cmd.exe 12->26         started        28 notepad.exe 12->28         started        109 Creates files inside the volume driver (system volume information) 14->109 signatures5 process6 file7 65 C:\Users\...\w5wCCs94Bx.exe.Masons (copy), ASCII 18->65 dropped 67 C:\Users\user\Desktop\w5wCCs94Bx.exe, ASCII 18->67 dropped 69 C:\Users\user\Desktop\...\WUTJSCBCFX.docx, ASCII 18->69 dropped 71 3 other malicious files 18->71 dropped 87 Antivirus detection for dropped file 18->87 89 Multi AV Scanner detection for dropped file 18->89 91 Machine Learning detection for dropped file 18->91 93 Modifies existing user documents (likely ransomware behavior) 18->93 30 cmd.exe 1 18->30         started        33 cmd.exe 1 18->33         started        35 cmd.exe 1 18->35         started        37 notepad.exe 18->37         started        95 May disable shadow drive data (uses vssadmin) 22->95 97 Deletes shadow drive data (may be related to ransomware) 22->97 39 conhost.exe 22->39         started        41 vssadmin.exe 22->41         started        43 WMIC.exe 22->43         started        99 Uses bcdedit to modify the Windows boot settings 24->99 45 3 other processes 24->45 101 Deletes the backup plan of Windows 26->101 47 2 other processes 26->47 signatures8 process9 signatures10 111 May disable shadow drive data (uses vssadmin) 30->111 113 Deletes shadow drive data (may be related to ransomware) 30->113 115 Uses bcdedit to modify the Windows boot settings 30->115 49 WMIC.exe 1 30->49         started        51 conhost.exe 30->51         started        53 vssadmin.exe 1 30->53         started        55 bcdedit.exe 8 1 33->55         started        57 bcdedit.exe 7 1 33->57         started        59 conhost.exe 33->59         started        117 Deletes the backup plan of Windows 35->117 61 conhost.exe 35->61         started        63 wbadmin.exe 35->63         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7826978642c568f975e2b65d1575fdf92e634f7c80db2c86c9d7c8066e8955b8/
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2023-01-29 00:36:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=patjpbscyvups5pcwzork5p57exggt34qdnszbwj27eam3ujkw4a._file
Verdict:
malicious
Similar samples:
058a8bec8f58c3fc1d7b530d83499db343896d146b4b01c1da452a159ab1a90a
Chaos
0a00b6668696bf62e14ea1acaa855397730e24bd66b594d9602bee37c2de2e6e
Chaos
1f57dcbcb1684ee5f037249fe8f48b48776ecb3c67bd726485cccc6bf1347541
Chaos
4b922409207ad4662325f16ba79bb9ff2a7f408deee9ea6a99c5a267c4cec602
Chaos
ca3e078052da372b3238b78d311eca0dee9e82bb75d62773be05bc033ab0ea82
Chaos
db0759eb584acd22fc6594ff7b8f6dffed34fb9e3dc427d22ba94bac9808f63a
Chaos
f871efc0cdf5446908e436de9ed821ff0ec5e217c50c16e69e3d0e83f6257f0f
Chaos
+ 4'078 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos evasion ransomware spyware stealer
Link:
https://tria.ge/reports/230129-f25hdshh95/
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
Enumerates physical storage devices
Program crash
Sets desktop wallpaper using registry
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
7826978642c568f975e2b65d1575fdf92e634f7c80db2c86c9d7c8066e8955b8
MD5 hash:
d80c38192b6a2eb32833de68de263c66
SHA1 hash:
c896d5f151481f5b4078f7ff67f3957abb9d97b8
Link:
https://www.unpac.me/results/a262ffbc-0470-4965-bb9f-685f76e64cb9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7826978642c5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/7826978642c568f975e2b65d1575fdf92e634f7c80db2c86c9d7c8066e8955b8

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/357870/

Comments