MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 951cf534559a88818ccf0aa18e0b771a9e8159f40ecba9c58ceb5ba720859af8. 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 9 File information Comments

SHA256 hash: 951cf534559a88818ccf0aa18e0b771a9e8159f40ecba9c58ceb5ba720859af8
SHA3-384 hash: ef82d40da5efc00d1af53104918fc623d4e34af69b6482d0b0f575c859c9bfb2110e834c4b9a572acc31c5ef0ed357f1
SHA1 hash: 3af4909b3db657dc4bd85bffc952926e25e73470
MD5 hash: 876cdfa38072f6eac33aca2495aa81c6
humanhash: missouri-ack-bulldog-helium
File name:951cf534559a88818ccf0aa18e0b771a9e8159f40ecba9c58ceb5ba720859af8
Download: download sample
Signature CobaltStrike
File size:284'672 bytes
First seen:2020-08-31 13:08:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc25ee78e2ef4d36faa0badf1e7461c9 (118 x CobaltStrike, 5 x Cobalt Strike)
ssdeep 3072:HR8mgokXKdkClxcMRe5969bSJiiHzfcPdzrxAgE4+vnj7T8mWzWnnnnlaZXhZBpN:HR8PulCMa9obcbw3rQznnnlaTvM9S
Threatray 98 similar samples on MalwareBazaar
TLSH BA54CF21CD8FEC10D44D0076B515792979F84FD060E6D7EACD68A038A96E762CB6FBC2
Reporter JAMESWT_WT
Tags:101.132.33.79 CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Sending an HTTP GET request
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Cobalt
Status:
Malicious
First seen:
2019-12-30 18:46:47 UTC
File Type:
PE (Exe)
AV detection:
43 of 48 (89.58%)
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:APT_CobaltStrike_Beacon_Indicator
Author:JPCERT
Description:Detects CobaltStrike beacons
Reference:https://github.com/JPCERTCC/aa-tools/blob/master/cobaltstrikescan.py
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_Sleep_Decoder_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Unmodifed_Beacon
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:MALW_cobaltrike
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect CobaltStrike beacon
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