MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b922409207ad4662325f16ba79bb9ff2a7f408deee9ea6a99c5a267c4cec602. 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: 13
| SHA256 hash: | 4b922409207ad4662325f16ba79bb9ff2a7f408deee9ea6a99c5a267c4cec602 |
|---|---|
| SHA3-384 hash: | b08d3fc1390dbf9e3f5f0d3d68211e0bc4eae97310b5bd312599ca0d3c2e5813c89003dcbf3d6f924a0811d015953199 |
| SHA1 hash: | 240b8e460be45891cd2529620b13afd230c5bc47 |
| MD5 hash: | 916ca2273debc1743307562e9b16aabd |
| humanhash: | burger-undress-carbon-grey |
| File name: | ProtonVPN_win_v2.2.0.bin |
| Download: | download sample |
| Signature | Chaos |
| File size: | 1'710'240 bytes |
| First seen: | 2022-11-10 05:06:35 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | application/x-dosexec |
| imphash | d5d9d937853db8b666bd4b525813d7bd (40 x DCRat, 28 x njrat, 5 x RedLineStealer) |
| ssdeep | 49152:9Kwn0jI2r9P+UBXPDoJjZY8VkvitEv8Ubv:9Kwn0jI2pj8PVtEv |
| Threatray | 3'213 similar samples on MalwareBazaar |
| TLSH | T1BB85128AF07087E5E86B4C318B7764D502727C2EE9F99C1C718A321649B365F183B66F |
| TrID | 84.7% (.EXE) Win32 Executable MS Visual C++ 4.x (134693/65) 4.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 2.8% (.EXE) Win32 Executable (generic) (4505/5/1) 1.3% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| File icon (PE): | |
| dhash icon | b000921ecac4c469 (1 x NetSupport, 1 x Chaos, 1 x Metasploit) |
| Reporter | |
| Tags: | Chaos exe Keygroup Ransomware |
Intelligence
File Origin
# of uploads :
1
# of downloads :
516
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ProtonVPN_win_v2.2.0.bin
Verdict:
Malicious activity
Analysis date:
2022-11-10 05:05:02 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Chaos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
overlay packed poison shell32.dll
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:
KeyBase
Verdict:
Malicious
Result
Threat name:
Chaos
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
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 executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found ransom note / readme
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
Tries to detect virtualization through RDTSC time measurements
Uses bcdedit to modify the Windows boot settings
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.VBinder
Status:
Malicious
First seen:
2022-11-10 05:07:11 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
26 of 26 (100.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 3'203 additional samples on MalwareBazaar
Result
Malware family:
chaos
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
Drops file in Windows directory
Drops file in System32 directory
Sets desktop wallpaper using registry
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Deletes backup catalog
Executes dropped EXE
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7a55cb47603215c0a5ff58c65f45cb344b253ce4138fe0ed0ceca54ae326496b
MD5 hash:
ba572e23787153237a7dcd68fe7256b9
SHA1 hash:
6882acfba0cfe55d8d977dce6884ded19557f91c
SH256 hash:
4b922409207ad4662325f16ba79bb9ff2a7f408deee9ea6a99c5a267c4cec602
MD5 hash:
916ca2273debc1743307562e9b16aabd
SHA1 hash:
240b8e460be45891cd2529620b13afd230c5bc47
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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