MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8243df4a5f6c52841fb457f79dccf4e41a6f2ce15a3441160da6f8c8fcd6763a. 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 14 File information Comments

SHA256 hash: 8243df4a5f6c52841fb457f79dccf4e41a6f2ce15a3441160da6f8c8fcd6763a
SHA3-384 hash: b63996ef67a458fc3e3865e3dffd24c1e2bf726c1ad6e32501a9b951827352cf15aaccafe2e64ead2c1efe2bfa05c348
SHA1 hash: bb1531defc10daca08be95157c6a8276e169eb0f
MD5 hash: 92291225ff934f4877422c6b8efa0d01
humanhash: pluto-florida-maine-yellow
File name:92291225ff934f4877422c6b8efa0d01.exe
Download: download sample
Signature CobaltStrike
File size:225'792 bytes
First seen:2021-06-25 06:35:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 6144:xWnMXojU3i5kGg0D7Zl0hDBrm5vO77iytIe:xWMXoj4i+Ggc7QDBa5veBIe
Threatray 315 similar samples on MalwareBazaar
TLSH 3B24DFF89265EC4AD226CFB3EC9DCD751E054F43CC45C4CA698ABDABD82DC999133188
Reporter abuse_ch
Tags:CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
493
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cobaltstrike_shellcode.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 09:45:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
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
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:
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-06-22 14:42:00 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:1026793436 backdoor trojan
Behaviour
Modifies system certificate store
Cobaltstrike
Malware Config
C2 Extraction:
http://canadianbondmarket.com:443/safebrowsing/rd/CltObkjasgddbHehcmUtd2hUdmFzEBAY7-0KIOkUDC7h2
Unpacked files
SH256 hash:
4623f1f5daa0184b1007515153fab6f51d501ddab8f755557ae76c5897565023
MD5 hash:
0c4468d18926820f9dc1e7c539559464
SHA1 hash:
b0d51a36cabd41291532b3fc02381337e370e169
SH256 hash:
2cf27aeedfd9b61d78be8ec0a8c5f91c94efe77c321c954731d593ef8820ede2
MD5 hash:
20432d33ba0fd9145e173536bf925da8
SHA1 hash:
3e37dd4bdddcfc8f3df0a2a155e24ba215264f3e
SH256 hash:
8243df4a5f6c52841fb457f79dccf4e41a6f2ce15a3441160da6f8c8fcd6763a
MD5 hash:
92291225ff934f4877422c6b8efa0d01
SHA1 hash:
bb1531defc10daca08be95157c6a8276e169eb0f
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_DarkHydrus_Jul18_5
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:CobaltStrikeBeacon
Author:enzo
Description:Cobalt Strike Beacon Payload
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_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: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:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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