MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cec36e8ed65ac6f250c05b4a17c09f58bb80c19b73169aaf40fa15c8d3a9a6a1. 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: 4


Intelligence 4 IOCs YARA 14 File information Comments

SHA256 hash: cec36e8ed65ac6f250c05b4a17c09f58bb80c19b73169aaf40fa15c8d3a9a6a1
SHA3-384 hash: cdef1206c370832331a48432932f187edf12cd5fdc79a56910bcd7a20bfccbb138de12ac2db2a5299c10158f6a818785
SHA1 hash: 7a4f8fffb1041bf6b19f76ded41b90b616f733b0
MD5 hash: ab9cf050fb3f4fadf3eb080e09995cda
humanhash: golf-monkey-delaware-bravo
File name:iec56w4ibovnb4wc.onion_Library__DarkHydrus__DarkHydrusImplant.bin.malw
Download: download sample
Signature CobaltStrike
File size:309'760 bytes
First seen:2020-03-18 21:55:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 3072:rRRGgEqRMTvr8LotKqO0dBFM2IK0+xXiJ4jqEeZn1w9p2DJtKUSvU:rRsgTMTAYHO0dvIK0ycTJn1w9OJtZ
Threatray 57 similar samples on MalwareBazaar
TLSH 8164CF257B619939C082A378CCF16C67D4BACB489A1D5E8CCC48D5613BDA02F75C8F9E
Reporter ov3rflow1
Tags:CobaltStrike malw

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Rozena
Status:
Malicious
First seen:
2017-10-27 09:52:00 UTC
File Type:
PE (Exe)
AV detection:
43 of 47 (91.49%)
Threat level:
  5/5
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:APT_CobaltStrike_Beacon_Indicator
Author:JPCERT
Description:Detects CobaltStrike beacons
Reference:https://github.com/JPCERTCC/aa-tools/blob/master/cobaltstrikescan.py
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
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:CobaltStrike_C2_Encoded_Config_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_Unmodifed_Beacon
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:eicar
Author:Marc Rivero | @seifreed
Description:Rule to detect Eicar pattern
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_eicar
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect the EICAR pattern
Reference:https://www.eicar.org/
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.

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoA

Comments