MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ed819ecadd3d4a7ab9bd5c88423d0ff34a7df65a651693ec306c6509f34914b. 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: 9


Intelligence 9 IOCs YARA 36 File information Comments
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SHA256 hash: 2ed819ecadd3d4a7ab9bd5c88423d0ff34a7df65a651693ec306c6509f34914b
SHA3-384 hash: 09a30948241439c38e7df7b2bab18cd71511d90742f395fea48a2ae823588abf45e06a0898bebba5b55202a477df81f6
SHA1 hash: 5d8ed906fd3aaaa9b53c153c2976b6bb4c4cb4a3
MD5 hash: 157da66c314c79c5321cc2e909cfa436
humanhash: autumn-orange-michigan-carpet
File name:OneNote.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:2'819'248 bytes
First seen:2022-08-03 06:19:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 35 x Vidar)
ssdeep 49152:FeP3Mrb/TnvO90dL3BmAFd4A64nsfJsNtkGrpTHF5gZDBdv8guhecTer1r:43Stecw
Threatray 446 similar samples on MalwareBazaar
TLSH T127D59DC7B99195B8C06EC2308965E2927A30BC981F3223D7BA15FBBD2F367D45A34354
gimphash b29f19232ea73c2ed9446478c40f19a3dc7d267ff1d2b0a390ab29d9d04593fe
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)
File icon (PE):PE icon
dhash icon 88a0e6eeece6e0e8 (2 x CobaltStrike)
Reporter JAMESWT_WT
Tags:CobaltStrike exe signed

Code Signing Certificate

Organisation:www.microsoft.com
Issuer:Microsoft RSA TLS CA 01
Algorithm:sha256WithRSAEncryption
Valid from:2021-07-28T21:22:06Z
Valid to:2022-07-28T21:22:06Z
Serial number: 120014f1ec2395d56fdcc4dcb700000014f1ec
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: e8e024513e681e297ecc81f67002bcb5be72cd0229a501d79d34f63fb85e894c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
702
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OneNote.exe
Verdict:
No threats detected
Analysis date:
2022-08-03 06:52:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/017b1c5d-a952-4433-8171-318ade84ab22

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296075/
Detection(s):
Win.Malware.Tedy-9952538-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/62ea13d75c07b66577f142ea/reports/1d7c1a76-611d-410b-8ee5-c0300be31233/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55f5b921-41f7-4a47-8d38-c87e92d6203d
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1045393
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ed819ecadd3d4a7ab9bd5c88423d0ff34a7df65a651693ec306c6509f34914b/
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2022-06-28 05:16:35 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f3mbt3fn2pkkpk432xeiii6q742kpx3fuziwspwda3dfbhzusffq._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
1b779efc0b5b86952f7ff7ee3d6fd72c1a7b941f5a55641c72ca7dbd18f250ae
CobaltStrike
356bef23d9b91f713fd54e5bef83bf738e869ca51324b580aed0d649bfdefea3
CobaltStrike
356ed801fd17886006472a332bba1126976a4a14dbf378d59a01904fcea64b18
CobaltStrike
7ef462d0e35aeaf45b5cac05f2ee8b5522fa8e3a3bbbbf6b00c3ac1cd2eb3c16
CobaltStrike
a55dbb26705b65000f18861cc6878dd5b95288f43b2b7a18c1a5131279bfa9b2
CobaltStrike
b107545a730cd8a999d58daac31c59e20c12219c7d999ad05987c5cae0602851
CobaltStrike
d3c07ceb0ca4710adc66bee177fd0ec160b14b4c7c059e680ab4324b455bb08d
CobaltStrike
+ 436 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:0 backdoor trojan
Link:
https://tria.ge/reports/220803-g3rtcshagj/
Behaviour
Cobaltstrike
Unpacked files
SH256 hash:
2ed819ecadd3d4a7ab9bd5c88423d0ff34a7df65a651693ec306c6509f34914b
MD5 hash:
157da66c314c79c5321cc2e909cfa436
SHA1 hash:
5d8ed906fd3aaaa9b53c153c2976b6bb4c4cb4a3
Link:
https://www.unpac.me/results/18854d19-d593-4632-9ae1-9f0763e24796/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/2ed819ecadd3d4a7ab9bd5c88423d0ff34a7df65a651693ec306c6509f34914b

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
Create hunting rule
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:Beacon_K5om_RID2B14
Create hunting rule
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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Cobaltbaltstrike_Beacon_x64
Create hunting rule
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:CobaltStrikeBeacon
Create hunting rule
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_MZ_Launcher
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_ReflectiveLoader_RID3297
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike)
Reference:http://www.clearskysec.com/tulip
Rule name:CobaltStrike_Sleep_Decoder_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:crime_win32_csbeacon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
Create hunting rule
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
Create hunting rule
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
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
Create hunting rule
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Leviathan_CobaltStrike_Sample_1_RID3324
Create hunting rule
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:malware_CobaltStrike_v3v4
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect CobaltStrike Beacon in memory
Reference:https://blogs.jpcert.or.jp/en/2018/08/volatility-plugin-for-detecting-cobalt-strike-beacon.html
Rule name:Malware_QA_vqgk
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Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
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Author:ditekSHen
Description:CobaltStrike payload
Rule name:MALW_cobaltrike
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Rule to detect CobaltStrike beacon
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.cobalt_strike
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:PowerShell_Susp_Parameter_Combo_RID336F
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Create hunting rule
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:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:troj_win_cobaltstrike_memoryinject
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Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Detects Cobalt Strike payload typically loaded into memory via PowerShell.
Rule name:WiltedTulip_ReflectiveLoader
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:http://www.clearskysec.com/tulip
Rule name:win_cobalt_strike_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/296075/

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