MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f7b9a377a14260d8bdcc6e18e749013a0c2c09a60d46fa026d77f6d92b7b801. 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: 7


Intelligence 7 IOCs YARA 8 File information Comments

SHA256 hash: 8f7b9a377a14260d8bdcc6e18e749013a0c2c09a60d46fa026d77f6d92b7b801
SHA3-384 hash: 30164973358617eb5ec8e06ac8bdde36f554684545e1700f07a56b7653394704512c46d13a51d9b8ca4dde577a54bdc8
SHA1 hash: 831f31e4d42510f2730d2ec013d205b4a9397552
MD5 hash: 32835c246dbcb60de63c0d7b53750e25
humanhash: burger-arkansas-fifteen-magazine
File name:8f7b9a377a14260d8bdcc6e18e749013a0c2c09a60d46fa026d77f6d92b7b801
Download: download sample
Signature CobaltStrike
File size:222'208 bytes
First seen:2020-09-02 10:18:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 6144:g9YKTk/0LxksMI+hH7xPJw6CI3mNYherrrZ4zaGQFGPP8HQ:sYKTk8Fktpm8errrCz9QFGPP8w
Threatray 80 similar samples on MalwareBazaar
TLSH E624E07E77467465F16C4AB64CF9D26BCF63AA97538752C2E230E3413E8260C247C93A
Reporter JAMESWT_WT
Tags:121.36.102.227 CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Sending an HTTP GET request
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (creates a PE file in dynamic memory)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Rozena
Status:
Malicious
First seen:
2020-08-26 19:48:16 UTC
File Type:
PE (Exe)
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Drops file in Windows directory
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:APT_DarkHydrus_Jul18_5
Author:Florian Roth
Description:Detects strings found in malware samples in APT report in DarkHydrus
Reference:https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/
Rule name:Beacon_K5om
Author:Florian Roth
Description:Detects Meterpreter Beacon - file K5om.dll
Reference:https://www.fireeye.com/blog/threat-research/2017/06/phished-at-the-request-of-counsel.html
Rule name:CobaltStrike_Unmodifed_Beacon
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:Leviathan_CobaltStrike_Sample_1
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Malware_QA_vqgk
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:PowerShell_Susp_Parameter_Combo
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:WiltedTulip_ReflectiveLoader
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:http://www.clearskysec.com/tulip

File information


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

Comments