MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4794c7273241f1a4540abcb6de606c820d00f9259434c23c74780537edb939d6. 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: 5


Intelligence 5 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4794c7273241f1a4540abcb6de606c820d00f9259434c23c74780537edb939d6
SHA3-384 hash: 35adb20f779b6879e559c88839016a7037b3b4d8c636fe7f921c7a511236b6dadc641b5a8be64ffb0fbd8505cfa8aa5e
SHA1 hash: 8ebccec6f68370d0f198758b4cc975b7531c637c
MD5 hash: 8cd7404dd67335df38790c81c6a8ca12
humanhash: beryllium-alpha-mobile-maryland
File name:4794c7273241f1a4540abcb6de606c820d00f9259434c23c74780537edb939d6
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:6'217'585 bytes
First seen:2020-11-10 06:56:44 UTC
Last seen:2024-07-24 13:47:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 71f37f91c14c4729e462a32b6b2ae9d4 (27 x CoinMiner, 12 x CobaltStrike)
ssdeep 98304:wjolfTydfE0pZoL56utgpPFotBER/mQ32lUU:a2h56utgpPF8u/7U
Threatray 181 similar samples on MalwareBazaar
TLSH 29565C41EDAB05F2EB8712308CB74E5F633372190335E6C3DA650A6FE9276E46A36741
Reporter seifreed
Tags:CobaltStrike

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

Win.Trojan.CobaltStrike-8091534-0
Create hunting rule

Win.Tool.CobaltStrike-6336852-0
Create hunting rule

Win.Coinminer.Generic-7151250-0
Create hunting rule

Win.Coinminer.Generic-7151253-0
Create hunting rule

Win.Coinminer.Generic-7151447-0
Create hunting rule

Win.Coinminer.Generic-7151488-0
Create hunting rule

Win.Coinminer.Generic-7155777-0
Create hunting rule

Win.Coinminer.Generic-7158858-0
Create hunting rule

Win.Trojan.Razy-7331645-0
Create hunting rule

Win.Trojan.Razy-7332867-0
Create hunting rule

Multios.Coinminer.Miner-6781728-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4794c7273241f1a4540abcb6de606c820d00f9259434c23c74780537edb939d6/
Threat name:
Win64.Trojan.CoinMiner
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 06:58:17 UTC
AV detection:
41 of 48 (85.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i6kmojzsihy2ivakxs3n4ydmqigqb6jfsq2mepdupactp3nzhhla._file
Verdict:
unknown
Similar samples:
033b21c0aac19cb2813b4aaa0e4662135d3a2b80ac47c90349c6fcaaf9022a65
CobaltStrike
03b8d0533fabc3c95af27d55456f1d85e516200906a6268d745c9beaca3c1f02
CobaltStrike
0f5a41631de5639ef01a6b3e2d77c63fddbaae40f19c5c0c2bcb8963581c396a
CobaltStrike
2a03af662a64d3deb050b7a329060214b46dbb817aeb1fed697929b3db962388
CobaltStrike
31ac64efdc26e988e6ba1e1c8da9edbfb0d97f41fb11bce6e4baee966e9fc80e
CobaltStrike
5bc57cc735f0fb5ede1bb9e4b06c0d6dbea40b0ffde1b660b0d0efe77a66b030
CobaltStrike
5cd01e7e4122c2ddee7b01bdd5a2e5a8ddb914e340cb5c096f55bdcb7207f287
CobaltStrike
8f40564dcfe4ebf65df0e782346375c9f980338b746581747c7fc307a39da15e
CobaltStrike
9e8854739e00369dd4fadb44dd380f2bec17287502b9a8e0dcded27c33ea110f
CobaltStrike
dd3e905c30c09eca9e6a2fbf4d45c4c9b92456d22ecc0f92c2d2b338ceded903
CobaltStrike
+ 171 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan upx
Link:
https://tria.ge/reports/201110-ky669qvk8j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
JavaScript code in executable
Loads dropped DLL
Executes dropped EXE
UPX packed file
Cobalt Strike reflective loader
Cobaltstrike
Malware Config
C2 Extraction:
http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
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:CobaltStrike
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:CobaltStrikeBeacon
Create hunting rule
Author:enzo
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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: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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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:XMRIG_Miner
Create hunting rule

File information

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

  
Delivery method
Other

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