MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93a4d36a6e6ae87c790522b78f581e871cfec793e301c54e7a596c9561f9313c. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 93a4d36a6e6ae87c790522b78f581e871cfec793e301c54e7a596c9561f9313c
SHA3-384 hash: a7f9909d85eca2733ffd1c05091bcb13de44f63c14cb04f839e49efea60d084bf12900db276dbad85a86234431f50a0a
SHA1 hash: 61d2b4c494bbf9a6347e1b1de14df79a7fcaebce
MD5 hash: 1e5ab011d19e6cd80d739daff6222094
humanhash: california-oregon-three-freddie
File name:Whitecat.bin
Download: download sample
Signature Chaos
File size:216'576 bytes
First seen:2022-08-31 17:54:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:4Rq9wx297anqPQ6oL0AYkwvVxw0+DNdxx5JeLiQdXKQWuf0JRNmCf6SQXruou:4Rq9wIUqYXRbwEL5QV6pRYru
TLSH T15024F0342EEA5029F273EE7D9AE4359BDA5E77A33703984D10B1038A4723942EED153D
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter petikvx
Tags:Chaos exe Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
444
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Whitecat.exe
Verdict:
Malicious activity
Analysis date:
2022-05-27 20:54:56 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Running batch commands
Creating a process with a hidden window
Launching a service
Launching a process
Searching for synchronization primitives
Creating a file in the Windows subdirectories
Changing a file
Using the Windows Management Instrumentation requests
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)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe packed
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2022-05-28 11:08:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chaos evasion 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
Enumerates physical storage devices
Sets desktop wallpaper using registry
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Disables Task Manager via registry modification
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
93a4d36a6e6ae87c790522b78f581e871cfec793e301c54e7a596c9561f9313c
MD5 hash:
1e5ab011d19e6cd80d739daff6222094
SHA1 hash:
61d2b4c494bbf9a6347e1b1de14df79a7fcaebce
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: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:pe_imphash
Rule name:RansomwareTest2
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments