MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39a7738c00d6a5dcc4709ad2e3f0b57565f7dc0325bdb5942c3e696c5736bc5a. 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: 6


Intelligence 6 IOCs YARA 12 File information Comments
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SHA256 hash: 39a7738c00d6a5dcc4709ad2e3f0b57565f7dc0325bdb5942c3e696c5736bc5a
SHA3-384 hash: 9607406a589561c645ea9aab7e3bd484fe832eaafbf2b3308b4e309e44ecd811fd6b4483997a5fc221caad779dcd3bcd
SHA1 hash: e7b51d06fdb431389e1d709eee01edb8be700a62
MD5 hash: b267d1cf38171c0394cd0ab9a0904aea
humanhash: solar-dakota-white-mockingbird
File name:39a7738c00d6a5dcc4709ad2e3f0b57565f7dc0325bdb5942c3e696c5736bc5a
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:287'744 bytes
First seen:2020-09-10 10:57:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d9882aa057828198c7397104e231d93 (1 x CobaltStrike)
ssdeep 6144:FE7PasHokTpkj58GluzJNO44omRFPVA3j4rlXVZi4/iKmfutULm7lvZyaDB:KavkQ8sCg4jmRF9A3j4rlXVZi4/iKmfC
TLSH 48548BA05DDA8263CDE7F03C529587B5F1A79C885693372761EB298B3613383BDCB244
Reporter JAMESWT_WT
Tags:18.222.171.22 CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58365/
Detection(s):
Win.Trojan.CobaltStrike-9044898-1
Create hunting rule

Win.Trojan.CobaltStrike-7899871-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/463072
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 283935 Sample: u9iuJ2cVIW Startdate: 10/09/2020 Architecture: WINDOWS Score: 64 27 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 8 loaddll64.exe 1 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 regsvr32.exe 8->12         started        process5 14 iexplore.exe 11 82 10->14         started        16 WerFault.exe 20 9 12->16         started        process6 18 iexplore.exe 5 160 14->18         started        dnsIp7 21 tls13.taboola.map.fastly.net 151.101.1.44, 443, 49743, 49744 FASTLYUS United States 18->21 23 geolocation.onetrust.com 104.20.184.68, 443, 49731, 49732 CLOUDFLARENETUS United States 18->23 25 9 other IPs or domains 18->25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39a7738c00d6a5dcc4709ad2e3f0b57565f7dc0325bdb5942c3e696c5736bc5a/
Threat name:
Win64.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2020-09-03 12:26:26 UTC
File Type:
PE+ (Dll)
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgtxhdaa22s5zrdqtljoh4fvovs7pxadew63lfbmhzuwyvzwxrna._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/200910-m8rksnzx1e/
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.
Threat name:
CobaltStrike
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/39a7738c00d6a5dcc4709ad2e3f0b57565f7dc0325bdb5942c3e696c5736bc5a

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: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: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: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:Malware_QA_vqgk
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALW_cobaltrike
Create hunting rule
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect CobaltStrike beacon
Rule name:PowerShell_Susp_Parameter_Combo
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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:autogenerated rule brought to you by yara-signator

File information

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

  
X
https://twitter.com/malwrhunterteam/status/1304004531924144134?s=20
Cape
Cape
https://www.capesandbox.com/analysis/58365/

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