MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38f792a175c366b53407143da8c13ea2f1d3600b00ef8e8f6ec7e0ef79dcb6c0. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 38f792a175c366b53407143da8c13ea2f1d3600b00ef8e8f6ec7e0ef79dcb6c0
SHA3-384 hash: 906661afb46c651075e4095bc3b0d52b8b063d20a2c8f824e8f14f1dc7896f1be81c46573ffdb6b89261d899e24abbe6
SHA1 hash: e6592d7122a73fda5f9cd98b5e49d5d80f0fe4fe
MD5 hash: bae6c0faa24fda3118cfdfc7f3f2553d
humanhash: network-violet-oregon-lake
File name:04099999.exe
Download: download sample
Signature Chaos
File size:249'856 bytes
First seen:2023-05-28 17:51:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:8+jn7PfWDycKPudCuS74kvw6Mr9zmduLn+70pKXQl29ur4cm:8+gycSzre2q+70pKXQl29ur4c
Threatray 1'026 similar samples on MalwareBazaar
TLSH T111345B2A739A4F63C27D5AB890B3411413F3FA4B7277E78A3D8841E90EE27948F45791
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Neiki
Tags:Chaos

Intelligence


File Origin
# of uploads :
1
# of downloads :
161
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
04099999.exe
Verdict:
No threats detected
Analysis date:
2023-05-28 17:55:57 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %temp% directory
Sending a custom TCP request
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed packed ransomware reg
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:
Detection:
malicious
Classification:
rans
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2023-05-26 17:10:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chaos persistence ransomware
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
38f792a175c366b53407143da8c13ea2f1d3600b00ef8e8f6ec7e0ef79dcb6c0
MD5 hash:
bae6c0faa24fda3118cfdfc7f3f2553d
SHA1 hash:
e6592d7122a73fda5f9cd98b5e49d5d80f0fe4fe
Detections:
ChaosRansomware
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_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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

File information


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

Comments