MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec2f156359e30aaf1929dff8f4b97deba32fe642d7fb8a76ba2346605c2d94d0. 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 11 File information Comments

SHA256 hash: ec2f156359e30aaf1929dff8f4b97deba32fe642d7fb8a76ba2346605c2d94d0
SHA3-384 hash: e0716911518b8cd6f9362f44cff5953c1754720400a4efb599f797695bde42f6a064294bf4d40eeef51d17dd27eff252
SHA1 hash: d0ef5d4c01f62e9ff14761c44dad41ef44a6923e
MD5 hash: ce064b92b15f35d685f05b4a207b4906
humanhash: oxygen-social-wisconsin-mike
File name:ec2f156359e30aaf1929dff8f4b97deba32fe642d7fb8a76ba2346605c2d94d0
Download: download sample
Signature CobaltStrike
File size:1'852'928 bytes
First seen:2020-09-08 14:09:30 UTC
Last seen:2020-09-08 14:48:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 91802a615b3a5c4bcc05bc5f66a5b219 (18 x Glupteba, 6 x Rhadamanthys, 3 x CobaltStrike)
ssdeep 49152:oV9cHfn/PusHsci4mxGi95l+AiKVYZrsvhw8X:q9QJUVVss5nX
TLSH 3B856C02BCE538BDD6BDF27245B577613732B86943323B830E4425BE996EAD42E2D350
Reporter JAMESWT_WT
Tags:39.108.159.100 CobaltStrike

Intelligence


File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Sending an HTTP GET request
Threat name:
Win64.Trojan.Shelma
Status:
Malicious
First seen:
2020-09-01 21:01:03 UTC
File Type:
PE+ (Exe)
AV detection:
10 of 48 (20.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
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.

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: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: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:MALW_cobaltrike
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect CobaltStrike beacon
Rule name:PowerShell_Susp_Parameter_Combo
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
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
Rule name:win_cobalt_strike_auto
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.

Comments