MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19ff1dfc2c95aec09957944c559ce43fd7ae60c317368c1997fc19afa677a7b4. 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


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: 19ff1dfc2c95aec09957944c559ce43fd7ae60c317368c1997fc19afa677a7b4
SHA3-384 hash: f4b88932d2e39cb44820c4be3ab6abea8e4100d298aee4bb48d40a731e4f6c0f33c100ec3c305e9efb2932b95f490b92
SHA1 hash: 98f69309c2d7bc16971711de3e7847c94740c9e7
MD5 hash: 5af2eb0a9a2f859732f56fca12074082
humanhash: spaghetti-alpha-jupiter-carbon
File name:19ff1dfc2c95aec09957944c559ce43fd7ae60c317368c1997fc19afa677a7b4
Download: download sample
Signature Chaos
File size:321'024 bytes
First seen:2022-10-10 08:32:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'856 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 6144:dzxiNvYgc//XIUbnReftuvkQ9PYKJhq3:dzxaYgYXImnReftub9PY/
TLSH T17064495E76548E6FCC1AB3784451F33C637847D4B523C6B2BA38B5A2E8A37492DB00E5
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)
File icon (PE):PE icon
dhash icon f0e8c8c8dcd08c8c (1 x Chaos)
Reporter petikvx
Tags:Chaos

Intelligence


File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
s.exe
Verdict:
Malicious activity
Analysis date:
2022-10-07 04:47:19 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
Creating a file
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a service
Changing a file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Deleting volume shadow copies
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Stealing user critical data
Encrypting user's files
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat nanocore 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Chaos, Voidcrypt
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Chaos Ransomware
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Status:
Malicious
First seen:
2022-10-08 19:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:chaos evasion persistence ransomware spyware stealer
Behaviour
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
Suspicious use of SetThreadContext
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
Disables Task Manager via registry modification
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
a63175017fcd9e24e873df9b07bddfe1f26ad93b958d76fd4a3f4cade1f9912b
MD5 hash:
c25c4aa3b48c183766ac9c6aab5283e7
SHA1 hash:
f29bb323d65daf7a9505603e5c005ee430563e2a
SH256 hash:
1831f75d5dfe78754d0a7b18fefd914457cf793786007af5bd7a429baed48665
MD5 hash:
359f258253d7961152fb4e2bd7b9061e
SHA1 hash:
52a6d9ce61d5e6cf7f90e09bb8192e39b30682a1
SH256 hash:
19ff1dfc2c95aec09957944c559ce43fd7ae60c317368c1997fc19afa677a7b4
MD5 hash:
5af2eb0a9a2f859732f56fca12074082
SHA1 hash:
98f69309c2d7bc16971711de3e7847c94740c9e7
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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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