MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35b6d770bb5d9cdf686f07226c67de969c21648af598ee58036383a606802327. 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



CobaltStrike


Vendor detections: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 35b6d770bb5d9cdf686f07226c67de969c21648af598ee58036383a606802327
SHA3-384 hash: 8e561d905d45bbfa0e61d4c9494f5556de2b431f2c3dcb392fb59594b28fced2f34f39b30e77dc55b0320258b11c403e
SHA1 hash: 6f47000825ecde4a5706418848d7e1673fea4286
MD5 hash: 31071fb8fc745a2fa3e328ebe8e3f451
humanhash: maine-idaho-mexico-sink
File name:beaconxx.exe
Download: download sample
Signature CobaltStrike
File size:733'184 bytes
First seen:2021-04-06 05:18:07 UTC
Last seen:2021-04-06 05:46:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6584cb69d0f0e4464f09b52852646a65 (2 x CobaltStrike)
ssdeep 12288:pGexW8kLJ6rFMywqdLtIOAKAvyxNsGSVH06ViUnWZ:pGexW8kUEqdLtIOAzvy7lmj
Threatray 266 similar samples on MalwareBazaar
TLSH F0F42721AB6AB4E7E5F13370354EBD1FF5A849A03B1ECDFA7F56187800E2980712652D
Reporter Anonymous
Tags:CobaltStrike IcedID

Intelligence


File Origin
# of uploads :
2
# of downloads :
583
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
beaconxx.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-06 05:20:44 UTC
Tags:
installer

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

Behaviour
DNS request
Sending a UDP request
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
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.
Result
Threat name:
Osiris CobaltStrike
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Osiris Trojan
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Performs DNS queries to domains with low reputation
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Sheljector
Status:
Malicious
First seen:
2021-04-04 05:10:35 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Cobaltstrike
Malware Config
C2 Extraction:
http://digitalsecures.xyz:443/adminer/query_result.php
http://185.213.26.29:443/adminer/query_result.php
http://d23gzt9pw4yryc.cloudfront.net:443/adminer/query_result.php
Unpacked files
SH256 hash:
af89759fa5261fac25925dac7fa6d000e19c36456babe904be34febbedc31cc1
MD5 hash:
6ac43c1aeb212cd3e6349d4c49201227
SHA1 hash:
519edd95184b348a9d5c6547c815a87990a1ca30
SH256 hash:
35b6d770bb5d9cdf686f07226c67de969c21648af598ee58036383a606802327
MD5 hash:
31071fb8fc745a2fa3e328ebe8e3f451
SHA1 hash:
6f47000825ecde4a5706418848d7e1673fea4286
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:CobaltStrikeBeacon
Author:enzo
Description:Cobalt Strike Beacon Payload
Rule name:crime_win32_csbeacon_1
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:Trojan_Raw_Generic_4
Author:FireEye
Reference:https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html
Rule name:win_cobalt_strike_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Web download

CobaltStrike

Executable exe 35b6d770bb5d9cdf686f07226c67de969c21648af598ee58036383a606802327

(this sample)

  
Delivery method
Distributed via web download

Comments