MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5ab74f0fff69e6c6ddbdbb4bc00262db055a5dde45c60aa7d12f34a8044c0128. 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: 15
| SHA256 hash: | 5ab74f0fff69e6c6ddbdbb4bc00262db055a5dde45c60aa7d12f34a8044c0128 |
|---|---|
| SHA3-384 hash: | 02e017270e2ea195c86ad2ea4efcb57084678436f3a80d02486a0d417cb6c9624fb44780ac9c0a1fea28d244c2086208 |
| SHA1 hash: | 993232f694230a2d5f573d819910dc36c4c0a631 |
| MD5 hash: | 17ed08ee4b730ff390179ecc05589c2d |
| humanhash: | bulldog-venus-west-alaska |
| File name: | Bad Virus.bin |
| Download: | download sample |
| Signature | Chaos |
| File size: | 24'064 bytes |
| First seen: | 2023-03-12 05:18:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 384:T3Mg/bqo2VcxtivpTUc3LTAzkQJKr91CAfb51eq:lqo2YtMpTLbTzYKr9/fbjeq |
| Threatray | 155 similar samples on MalwareBazaar |
| TLSH | T16BB2D51867FA4A39F6FB2F7C2DB221105B75B857ED3DC74C188A004D0922B9CCDA0B66 |
| 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 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Decrypter-decrypter.zip
Verdict:
Malicious activity
Analysis date:
2023-03-09 17:43:37 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
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
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 packed ransomware
Verdict:
Malicious
Labled as:
Ransom.HydraCrypt.Generic
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
Verdict:
Malicious
Result
Threat name:
Chaos, TrojanRansom
Detection:
malicious
Classification:
rans.expl
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Drops PE files with benign system names
Found ransom note / readme
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Sigma detected: Drops script at startup location
Writes a notice file (html or txt) to demand a ransom
Yara detected Chaos Ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Ransomware.HydraCrypt
Status:
Malicious
First seen:
2023-03-12 05:19:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 145 additional samples on MalwareBazaar
Result
Malware family:
chaos
Score:
10/10
Tags:
family:chaos ransomware spyware stealer
Behaviour
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 desktop.ini file(s)
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Modifies extensions of user files
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
5ab74f0fff69e6c6ddbdbb4bc00262db055a5dde45c60aa7d12f34a8044c0128
MD5 hash:
17ed08ee4b730ff390179ecc05589c2d
SHA1 hash:
993232f694230a2d5f573d819910dc36c4c0a631
Detections:
win_chaos_w0
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
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: | Destructive_Ransomware_Gen1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects destructive malware |
| Reference: | http://blog.talosintelligence.com/2018/02/olympic-destroyer.html |
| Rule name: | Destructive_Ransomware_Gen1_RID31CB |
|---|---|
| Author: | Florian Roth |
| Description: | Detects destructive malware |
| Reference: | http://blog.talosintelligence.com/2018/02/olympic-destroyer.html |
| Rule name: | INDICATOR_KB_ID_Ransomware_Chaos |
|---|---|
| Author: | ditekShen |
| Description: | Detects files referencing identities associated with Chaos ransomware |
| Rule name: | INDICATOR_SUSPICIOUS_GENRansomware |
|---|---|
| Author: | ditekSHen |
| Description: | detects command variations typically used by ransomware |
| Rule name: | MALWARE_Win_Chaos |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Chaos ransomware |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_chaos_w0 |
|---|---|
| Author: | BlackBerry Threat Research |
| Description: | Detects Ransomware Built by Chaos Ransomware Builder |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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