MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c57345f4b66a1f93a9b474126a259b778a70d4b297dacd33d7466954e18e4673. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c57345f4b66a1f93a9b474126a259b778a70d4b297dacd33d7466954e18e4673
SHA3-384 hash: 25b15ba112ab886a938e333ae0fe61aeb8d846bdafebe90a5d4039ce1db9b05ba06f31c1d81605840ec2d637e1a75eb9
SHA1 hash: 2bbabefb7a0f4989f3e8d67be887d77dac2277f9
MD5 hash: d68cbc7b4add96a8e32d704c60ab787f
humanhash: grey-table-dakota-winner
File name:cs.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:224'256 bytes
First seen:2021-08-28 18:39:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 3072:q09NYvjPTdaIP0tR83dqNWgql7Bf8dc/oGHIdhWniWNbid04:q0gLdmtO3QWjq0ShWHbim
Threatray 397 similar samples on MalwareBazaar
TLSH T11624CEB15F47E7AEE572CA338950E82B7DFAB40FCA18257B3A83DC6650233D95231491
Reporter drb_ra
Tags:CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
603
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cs.exe
Verdict:
No threats detected
Analysis date:
2021-08-28 18:48:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/72f0a1a2-eece-41fa-8f01-8f357120a5f8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/183125/
Detection(s):
SecuriteInfo.com.Crypt5.BLLV.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending a UDP request
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/12226a84-63bf-4421-8665-0b0ede2fa254
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/840832
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c57345f4b66a1f93a9b474126a259b778a70d4b297dacd33d7466954e18e4673/
Threat name:
Win32.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2021-08-28 18:40:09 UTC
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvzul5fwnipzhknuoqjgujm3o6fhbvfss7nm2m6xizuvjymoizzq._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
023cff6801f8909f19d3c66e3ad286f6bb84a6b4f518bfac3d44026318fa8775
CobaltStrike
0cc7d4ede78c40918f18f2a409fab83fbce74afe666a558c1e18109204df0a0c
CobaltStrike
1c5198e6e4f9eb17e35ac43f1554cf88a1602c1fa6afa61ee9c0b845329dec99
CobaltStrike
23537b7760c3db032fe5a8442a45d376a3ac9738445d0292c984e6b6ce5cf27b
CobaltStrike
cfef4e61370835dd783be4e4f6787f426f24956de4368026149157e9941cef22
CobaltStrike
e5053d8c35cab9f2788fd86e1d8b0cf3eba0ec32571cc56fba8e96dc1ca6f970
CobaltStrike
eefecfb998ba82c76a44e86923d550d1c2d2cf24ea5b8b77ff8b25ed7d5d1c7e
CobaltStrike
+ 387 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:1359593325 backdoor trojan
Link:
https://tria.ge/reports/210828-tb25gy126a/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://adobeacrobatupdate.com:443/posting
Unpacked files
SH256 hash:
b86ce41f263a63db6d5e31150ecedb34c53815f8df44128d3bc98d1ea05206af
MD5 hash:
dbb23a5c221873ef80c18becb1ea13a2
SHA1 hash:
d35c82f34e612e801f7623d912c4c6625007e8d8
Link:
https://www.unpac.me/results/ffb432c3-7c05-4a4a-b5f8-e266d18c24e6/
SH256 hash:
c57345f4b66a1f93a9b474126a259b778a70d4b297dacd33d7466954e18e4673
MD5 hash:
d68cbc7b4add96a8e32d704c60ab787f
SHA1 hash:
2bbabefb7a0f4989f3e8d67be887d77dac2277f9
Link:
https://www.unpac.me/results/ffb432c3-7c05-4a4a-b5f8-e266d18c24e6/
Malware family:
Cobalt Strike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c57345f4b66a/report/overview.html
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/c57345f4b66a1f93a9b474126a259b778a70d4b297dacd33d7466954e18e4673

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:Cobaltbaltstrike_Beacon_XORed_x86
Create hunting rule
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:Cobaltbaltstrike_strike_Payload_XORed
Create hunting rule
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:HKTL_Unlicensed_CobaltStrike_EICAR_Jul18_5
Create hunting rule
Author:Florian Roth
Description:Detects strings found in CobaltStrike shellcode
Reference:https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/

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/183125/

Comments