MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45e855c9083c164f34e950d5192606f1b5b3893835acd2329374b7d23fd6a8aa. 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: 12


Intelligence 12 IOCs YARA 16 File information Comments

SHA256 hash: 45e855c9083c164f34e950d5192606f1b5b3893835acd2329374b7d23fd6a8aa
SHA3-384 hash: 4994a6a1cc7d82c78b6bf8d0bcaf29bcc0dc0edd91afb91fee7faf8150bfe4c09fc107bffbe1aad1e38bb054fc45f70a
SHA1 hash: 5d836a646a3961fe1545d0a5aba7223edaf9af63
MD5 hash: d4a8b43f0a149f03c2896efbc4f50e17
humanhash: helium-mockingbird-solar-jersey
File name:d4a8b43f0a149f03c2896efbc4f50e17.exe
Download: download sample
Signature CobaltStrike
File size:225'792 bytes
First seen:2021-07-19 05:50:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 3072:OV0OVLFY/Knp7hpbi5OGahCQlVgh4jsgVkyMK1jOMgUA6e6UI2E2w9fIE4rk6re9:O35IK9Ti5QnlVUayyMK1jVVWbKvW
Threatray 380 similar samples on MalwareBazaar
TLSH T1FD24E0F4F9CE0EB5C496083A57A491688E12C377A9140A4F996C8BDD7E74FFC2939409
Reporter abuse_ch
Tags:CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
513
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cobaltstrike_shellcode.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 09:58:45 UTC
Tags:
trojan meterpreter

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
CobaltStrike
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (creates a PE file in dynamic memory)
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
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-07-14 12:36:02 UTC
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:0 backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://178.79.130.185:443/fwlink
Unpacked files
SH256 hash:
2a06e9bc046987d85e8376400e72cb8d1bec487c544191f37d7f0d9c154eb1bf
MD5 hash:
a73d87be799a1d971d31190851cbd422
SHA1 hash:
0681b4f81bb3c806512de6150775e659851e5290
SH256 hash:
b1b223a5805ae5dfbf134074a1d459dcec2a961d600576fefd2d42b3511c53ca
MD5 hash:
bcb4f856ea75cc5837a80b89cb63d3c6
SHA1 hash:
d4149c462903cd2d056ab735eca3b936b5b24d58
SH256 hash:
45e855c9083c164f34e950d5192606f1b5b3893835acd2329374b7d23fd6a8aa
MD5 hash:
d4a8b43f0a149f03c2896efbc4f50e17
SHA1 hash:
5d836a646a3961fe1545d0a5aba7223edaf9af63
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:Beacon_K5om
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
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:crime_win32_csbeacon_1
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:CS_beacon
Author:Etienne Maynier tek@randhome.io
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
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
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
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_Unlicensed_CobaltStrike_EICAR_Jul18_5
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/
Rule name:HKTL_Win_CobaltStrike
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
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Malware_QA_vqgk
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
Author:ditekSHen
Description:CobaltStrike payload
Rule name:PowerShell_Susp_Parameter_Combo
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
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:WiltedTulip_ReflectiveLoader
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:http://www.clearskysec.com/tulip

File information


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

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