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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19c0307d2da8178e322430c496e5dcb2accb869b7b7f2fcb7937830451ca235d. 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 20 File information Comments 1

SHA256 hash: 19c0307d2da8178e322430c496e5dcb2accb869b7b7f2fcb7937830451ca235d
SHA3-384 hash: 9c3b6e135571939b01aa185d3d155714ea6076c2477e744da0ded9e3be21deb2aef6c29c8365ef792861f69746a71a27
SHA1 hash: 2bca61fb3c7e016b86314898328721202034005d
MD5 hash: 9815bbaed20019321a33d132cd9fe66d
humanhash: mexico-zulu-nevada-connecticut
File name:9815bbaed20019321a33d132cd9fe66d
Download: download sample
Signature CobaltStrike
File size:364'544 bytes
First seen:2021-08-25 15:57:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e218f655f036f569d7a87ccfa333d177 (5 x CobaltStrike, 1 x Dridex)
ssdeep 6144:p61FoHY1j12PbimfGsE6m4FtWfAvpofL0tJ1PDi7wfaZwln/6kgUB9Z5Dr5kCvjM:vcj12PGYEgvIE9Di7orlikjOCvjbD0vG
Threatray 433 similar samples on MalwareBazaar
TLSH T19D740160EBEA6555F5F77731A93A0721572E7D82A838F50C871042CE8A71AA5CDB0F33
Reporter zbetcheckin
Tags:32 CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
594
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_Due-IN-71348_20210823.xlsb
Verdict:
Malicious activity
Analysis date:
2021-08-25 14:08:09 UTC
Tags:
macros40 trojan cobaltstrike

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

Behaviour
Sending a UDP request
Malware family:
CobaltStrike Beacon
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect virtualization through RDTSC time measurements
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Hacktool.CobaltStrike
Status:
Malicious
First seen:
2021-08-25 15:58:10 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  1/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:1359593325 backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://37.120.206.118:80/push
Unpacked files
SH256 hash:
e9a1bf7f0f4c49847ba46b33408017d5ed0da3cdfc6c40a99b52476a7a96cf4a
MD5 hash:
2987e27161b40e9ce2ed1f2ca90052ec
SHA1 hash:
5289f23ab0e09dd4e107bcb82b5239ef03738d9e
SH256 hash:
e7e5045477f752df90b1c8816b29b65ce6942d1a04414312b92eaabbe7eede7e
MD5 hash:
62ec12986c61dbabc012454063d3f5c7
SHA1 hash:
69ed4c32d4c86f098e5a485e1ceda10255151c6d
SH256 hash:
19c0307d2da8178e322430c496e5dcb2accb869b7b7f2fcb7937830451ca235d
MD5 hash:
9815bbaed20019321a33d132cd9fe66d
SHA1 hash:
2bca61fb3c7e016b86314898328721202034005d
Malware family:
Cobalt Strike
Verdict:
Malicious
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:CobaltStrikeBeacon
Author:enzo
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
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:CS_beacon
Author:Etienne Maynier tek@randhome.io
Rule name:DridexV4
Author:kevoreilly
Description:Dridex v4 Payload
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
Author:Elastic
Description:Identifies deobfuscation routine used in Cobalt Strike Beacon DLL version 4.2
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_CobaltStrike_Beacon_Strings
Author:Elastic
Description:Identifies strings used in Cobalt Strike Beacon DLL
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
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:HKTL_Win_CobaltStrike
Author:threatintel@volexity.com
Description:The CobaltStrike malware family.
Reference:https://www.volexity.com/blog/2021/05/27/suspected-apt29-operation-launches-election-fraud-themed-phishing-campaigns/
Rule name:INDICATOR_SUSPICIOUS_ReflectiveLoader
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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:MALWARE_Win_CobaltStrike
Author:ditekSHen
Description:CobaltStrike payload
Rule name:PowerShell_Susp_Parameter_Combo
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Author:Florian Roth
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:Trojan_Win_Generic_101
Author:FireEye
Description:Detects FireEye Windows trojan
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: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.

Web download

CobaltStrike

Executable exe 19c0307d2da8178e322430c496e5dcb2accb869b7b7f2fcb7937830451ca235d

(this sample)

Comments



Avatar
zbet commented on 2021-08-25 15:57:45 UTC

url : hxxps://files.slack.com/files-pri/T02C6BX9Y3X-F02CAH4JLV8/download/nate_higgers.png?pub_secret=0cc998cc58/