MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50cea054f1bfeb13485a6a3fb68319577f577db8a9442552fbc55f3f111c5c66. 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: 15


Intelligence 15 IOCs YARA 25 File information Comments
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SHA256 hash: 50cea054f1bfeb13485a6a3fb68319577f577db8a9442552fbc55f3f111c5c66
SHA3-384 hash: af41b295a35f975297f1f3712152d0d6f72282819cc3a32a321e7d5d2c126dfb0efd84ad2fdf9ef6d52d486a015fd3d5
SHA1 hash: 8fc4826223438df974f0bb259fba7355abcfdcf3
MD5 hash: 7301d6126cc0f933a4fa3358a349ef6c
humanhash: tennis-eighteen-lemon-jersey
File name:7301d6126cc0f933a4fa3358a349ef6c.dll
Download: download sample
Signature CobaltStrike
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File size:210'108 bytes
First seen:2022-05-29 08:31:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d78bb42be898a6d63b468b408da27a2b (3 x CobaltStrike)
ssdeep 3072:v/QPFX1eqEfuBNSYuiM8CNj8hFsoMX0ghsJRgCD3iFw9jdUnw5EUh:v/MEfuN0t8C5oFsoeRM3o0j+6
Threatray 663 similar samples on MalwareBazaar
TLSH T1F6248B913685F036D0960479A64FC7724EBDBC3416B198C7BF984AA99F22293DB39307
TrID 66.6% (.EXE) DOS Executable Generic (2000/1)
33.3% (.M) Maple Common Binary file (generic) (1001/2)
Reporter bsforyt727
Tags:CobaltStrike dll exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
397
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7301d6126cc0f933a4fa3358a349ef6c.dll
Verdict:
Malicious activity
Analysis date:
2022-05-29 08:32:12 UTC
Tags:
cobalt
Link:
https://app.any.run/tasks/51085871-6138-4062-a489-53559d5e04ec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrike
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Link:
https://www.capesandbox.com/analysis/275233/
Detection(s):
Win.Trojan.CobaltStrike-8091534-0
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Win.Exploit.42ae-9839949-0
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Win.Exploit.42ae-9840059-0
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Win.Exploit.D3b71c-9863766-0
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Win.Tool.CobaltStrike-6336852-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cobalt exploit greyware meterpreter obfuscated overlay rozena windows
Link:
https://www.filescan.io/uploads/62932fc1206e08161843e6bc/reports/c5061f6e-34ec-4489-9cc2-d8b5b4ad110a/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.
Malware family:
Cobalt Strike
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b620ba1-9c59-4c5c-b1d9-6d8e76e4b4ac
Result
Threat name:
CobaltStrike, ReflectiveLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003106
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Contains functionality to prevent local Windows debugging
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Yara detected Powershell download and execute
Yara detected ReflectiveLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 635598 Sample: 75cIDGfC0y.dll Startdate: 29/05/2022 Architecture: WINDOWS Score: 100 25 Found malware configuration 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 6 other signatures 2->31 8 loaddll32.exe 1 2->8         started        process3 process4 10 rundll32.exe 8->10         started        13 cmd.exe 1 8->13         started        15 rundll32.exe 8->15         started        signatures5 33 Contains functionality to prevent local Windows debugging 10->33 35 Contains functionality to detect sleep reduction / modifications 10->35 17 WerFault.exe 6 9 10->17         started        19 rundll32.exe 13->19         started        21 WerFault.exe 9 15->21         started        process6 process7 23 WerFault.exe 19 9 19->23         started       
Detection:
cobaltstrike
Create hunting rule
Link:
https://mwdb.cert.pl/sample/50cea054f1bfeb13485a6a3fb68319577f577db8a9442552fbc55f3f111c5c66/
Threat name:
Win32.Trojan.CobaltStrike
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Status:
Malicious
First seen:
2022-05-28 13:11:41 UTC
File Type:
PE (Dll)
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kdhkavhrx7vrgsc2ni73nayzk57vo7nyvfcckux3yvpt6ei4lrta._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
32d46b7131714c02c8668a1b821b4b12cd37f6597a56eb01430c22e315c34638
CobaltStrike
45e855c9083c164f34e950d5192606f1b5b3893835acd2329374b7d23fd6a8aa
CobaltStrike
5e64039561c03a0af6a96ae348d8b57515fdc9e234ad8809e5cd311a69377bae
CobaltStrike
8243df4a5f6c52841fb457f79dccf4e41a6f2ce15a3441160da6f8c8fcd6763a
CobaltStrike
d51535fbb853fd16a36644696134e613fe39eb31c7d30d719926e794446bb715
CobaltStrike
e8710133491bdf0b0d1a2e3d9a2dbbf0d58e0dbb0e0f7c65acef4f788128e1e4
CobaltStrike
+ 653 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
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Score:
  10/10
Tags:
family:cobaltstrike botnet:426352781
Link:
https://tria.ge/reports/220529-kfahcaheer/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Malware Config
C2 Extraction:
http://maxdha123.ddns.net:80/ca
Unpacked files
SH256 hash:
50cea054f1bfeb13485a6a3fb68319577f577db8a9442552fbc55f3f111c5c66
MD5 hash:
7301d6126cc0f933a4fa3358a349ef6c
SHA1 hash:
8fc4826223438df974f0bb259fba7355abcfdcf3
Detections:
win_cobalt_strike_auto
Create hunting rule
Link:
https://www.unpac.me/results/90178f45-d71c-453e-9d46-a747623a4e30/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/50cea054f1bfeb13485a6a3fb68319577f577db8a9442552fbc55f3f111c5c66

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
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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: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_ReflectiveLoader_RID3297
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike)
Reference:http://www.clearskysec.com/tulip
Rule name:CobaltStrike_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
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:CS_beacon
Create hunting rule
Author:Etienne Maynier tek@randhome.io
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
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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
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Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:malware_CobaltStrike_v3v4
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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:PowerShell_Susp_Parameter_Combo
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Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
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
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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:SUSP_XORed_Mozilla
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_RID2DB4
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:WiltedTulip_ReflectiveLoader
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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.

  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/275233/

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