MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06ca809421d2bb32e8a5e1e2fd7531330e903544898017cc0b8f297a290a6a3a. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 06ca809421d2bb32e8a5e1e2fd7531330e903544898017cc0b8f297a290a6a3a
SHA3-384 hash: 9de3e77ea255e6b3282c0dc243c8b2e0363ae575976c5c94cf026dea7245c68b3803cc4129f7941449ca06a913111dbe
SHA1 hash: aea7f38d1a562e262b6b625255c8b4293b6bbd0d
MD5 hash: e73ce84510f379fa646c9b65a7418e9a
humanhash: ohio-shade-eleven-one
File name:06ca809421d2bb32e8a5e1e2fd7531330e903544898017cc0b8f297a290a6a3a
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:224'768 bytes
First seen:2020-09-08 14:01:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 6144:ZdL55LDSLSCJEZOb7RunecPchHa8/d3ab8Dt3e1X9:fL3DSLSCJEWueOco8/d3aWtOf
TLSH F724CE34848538F7FD69E7FA53C20D7F6FAA19E36C1FDB089EA8A50D85953C406091E4
Reporter JAMESWT_WT
Tags:45.138.209.75 CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/57936/
Detection(s):
SecuriteInfo.com.Crypt5.BLLV.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/06ca809421d2bb32e8a5e1e2fd7531330e903544898017cc0b8f297a290a6a3a/
Threat name:
Win32.Trojan.Rozena
Create hunting rule
Status:
Malicious
First seen:
2020-09-01 21:37:29 UTC
File Type:
PE (Exe)
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a3fibfbb2k5tf2ff4hrp25jrgmhjankergabptalr4uxukikni5a._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/200908-2yyyrkmsxs/
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/06ca809421d2bb32e8a5e1e2fd7531330e903544898017cc0b8f297a290a6a3a

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:APT_DarkHydrus_Jul18_5
Create hunting rule
Author:Florian Roth
Description:Detects strings found in malware samples in APT report in DarkHydrus
Reference:https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/
Rule name:CobaltStrike_Sleep_Decoder_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
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: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: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

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/1303318904538890240?s=20
Cape
Cape
https://www.capesandbox.com/analysis/57936/

Comments