MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5a73896dc628c23a0b6210f50019445e2b8bfc9770f4c81e1fed097f02dfade. 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



BeaverTail


Vendor detections: 5


Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash: c5a73896dc628c23a0b6210f50019445e2b8bfc9770f4c81e1fed097f02dfade
SHA3-384 hash: 82a15a3486588ac2bc6fff2515039bc0c396d5a0e0c7f959c8ab2a59eed9d76a813536f0d376952552ac621a25fca51e
SHA1 hash: da01670573c7ea8e43663f802fcf0e177cf0882c
MD5 hash: 5351e89dbd7f44f50a29cbd176030b19
humanhash: texas-red-network-october
File name:18.18.dll
Download: download sample
Signature BeaverTail
File size:113'664 bytes
First seen:2023-11-23 14:37:46 UTC
Last seen:2023-11-23 16:18:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0ff8b58515b3fa045e6bff9a9e0cca16 (3 x BeaverTail)
ssdeep 3072:F1uNKVtUx7SN7klktpvvuMJD/F8ZBRZf:CNKVaYdklktpHuw8ZBXf
Threatray 3 similar samples on MalwareBazaar
TLSH T1DDB35B17A3A500BBF57A8678C8530E46E7B2B4150B609FAF03A0875A1F673D19D3FB61
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter smica83
Tags:BeaverTail exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
206
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1346982 Sample: 18.18.dll.exe Startdate: 23/11/2023 Architecture: WINDOWS Score: 48 22 Multi AV Scanner detection for submitted file 2->22 8 loaddll64.exe 1 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 WerFault.exe 19 17 8->12         started        14 conhost.exe 8->14         started        process5 16 rundll32.exe 10->16         started        process6 18 WerFault.exe 16 16->18         started        20 WerFault.exe 20 16 16->20         started       
Threat name:
Win64.Trojan.BeaverTail
Status:
Malicious
First seen:
2023-05-19 00:48:00 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
c5a73896dc628c23a0b6210f50019445e2b8bfc9770f4c81e1fed097f02dfade
MD5 hash:
5351e89dbd7f44f50a29cbd176030b19
SHA1 hash:
da01670573c7ea8e43663f802fcf0e177cf0882c
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Comments