MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 37ca1cfa1f30b57408d3e855f98f9e5fd6900b23643bbc0c6163a875edf00b60. 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: | 37ca1cfa1f30b57408d3e855f98f9e5fd6900b23643bbc0c6163a875edf00b60 |
|---|---|
| SHA3-384 hash: | 58667d1a19589ef939a4c78960937d32c21e4f9dc0aeb4d6e65f32bd0c57767cea00b6576a07c6ffba7d9215d83daecd |
| SHA1 hash: | 6abbc78a6fb421adf80051365dbfaff0b3fb696b |
| MD5 hash: | 5fc3bd9632a02f189d81f75fc3b12ebf |
| humanhash: | william-speaker-maine-oven |
| File name: | 0.exe |
| Download: | download sample |
| Signature | Chaos |
| File size: | 975'872 bytes |
| First seen: | 2023-09-14 12:48:07 UTC |
| Last seen: | 2024-04-01 21:36:36 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'307 x AgentTesla, 20'722 x Formbook, 12'402 x SnakeKeylogger) |
| ssdeep | 12288:OzEPMLC814R2hig4tHkg2W+AU+R2TjsPvEpv8LpgUO4EP3SL98l0zmWHQuTwYzz5:0ztQE1ov2AZ9HjkftWyq |
| Threatray | 248 similar samples on MalwareBazaar |
| TLSH | T18E25172439EA5019F373AE754BE4F5BEDA5EBF632602941920D00F4B3623989DD8273D |
| 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) |
| File icon (PE): |  |
| dhash icon | 00a000d4d4008000 (2 x Chaos) |
| Reporter |  0xToxin |
| Tags: | Chaos DoDo exe Ransomware |
Intelligence
File Origin
# of uploads :
3
# of downloads :
850
Origin country :
ILVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0.exe
Verdict:
Malicious activity
Analysis date:
2023-09-14 12:50:50 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Chaos
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
chaos cmd control crypter filecoder hiddentear hydracrypt lockfile lolbin packed ransomware replace
Verdict:
Malicious
Labled as:
Ransom.Hiddentear.A.Generic
Malware family:
CHAOS Ransomware
Verdict:
Malicious
Result
Threat name:
Chaos
Detection:
malicious
Classification:
rans.phis.spyw
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May encrypt documents and pictures (Ransomware)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Tries to harvest and steal browser information (history, passwords, etc)
Writes a notice file (html or txt) to demand a ransom
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2023-09-09 12:45:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
30 of 38 (78.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 238 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
Reads user/profile data of web browsers
Renames multiple (195) files with added filename extension
Renames multiple (219) files with added filename extension
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
37ca1cfa1f30b57408d3e855f98f9e5fd6900b23643bbc0c6163a875edf00b60
MD5 hash:
5fc3bd9632a02f189d81f75fc3b12ebf
SHA1 hash:
6abbc78a6fb421adf80051365dbfaff0b3fb696b
Detections:
ChaosRansomware
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
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: | MALWARE_Win_Chaos |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Chaos ransomware |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| 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.
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