MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b97b606aef81420a441aba88b42c44aa8e102390434be5714d33bb07645912d2. 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 11 File information Comments

SHA256 hash: b97b606aef81420a441aba88b42c44aa8e102390434be5714d33bb07645912d2
SHA3-384 hash: 42e42006028f6990d3f18949aac902c257f85ea33d42684220b691aa867baa43c31e2b285514bd39a9404c0f13295416
SHA1 hash: dbd67ce6a3dc1aea8ac7288a5f6dee0261e99985
MD5 hash: e99ed7e8093b9d22ed960b325f8e184c
humanhash: video-bravo-pluto-enemy
File name:b97b606aef81420a441aba88b42c44aa8e102390434be5714d33bb07645912d2
Download: download sample
Signature CobaltStrike
File size:14'336 bytes
First seen:2020-09-10 10:57:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc25ee78e2ef4d36faa0badf1e7461c9 (118 x CobaltStrike, 5 x Cobalt Strike)
ssdeep 192:oHCugRK83SxHn2OQ/dmBI4KBPwgir+xzrXuXmjkfnVbqUqV/Qjo7AGa:8CxRKqbOCdWIVBPk+xzrXF8BfCXAn
TLSH FA521975EB0378F2FD1A487414EBB6BFAFB7E1238C115C86CF94DC0568234A6881664E
Reporter JAMESWT_WT
Tags:18.222.171.22 CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS 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
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Detected unpacking (creates a PE file in dynamic memory)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Cobalt
Status:
Malicious
First seen:
2020-09-04 02:29:43 UTC
File Type:
PE (Exe)
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
metasploit
Score:
  10/10
Tags:
trojan backdoor family:metasploit
Behaviour
MetaSploit
Malware Config
C2 Extraction:
http://ec2-18-222-171-22.us-east-2.compute.amazonaws.com:80/69wv
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: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_Sleep_Decoder_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Unmodifed_Beacon
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:crime_win32_csbeacon_1
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:HKTL_Meterpreter_inMemory
Author:netbiosX, Florian Roth
Description:Detects Meterpreter in-memory
Reference:https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/
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:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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.

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