MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b610633c3c8bbd28bd27021b942b8e4814466d6886525783bc88f87505ed4182. 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
| SHA256 hash: | b610633c3c8bbd28bd27021b942b8e4814466d6886525783bc88f87505ed4182 |
|---|---|
| SHA3-384 hash: | 10db442eb9e77b5fff4bfe023c4487a30081298e29aa723d23e9942dfb573ee3c94edcfb2d894bfe151ee24b72aedc5a |
| SHA1 hash: | 311c3662137a9d265101456f0c305c142198d814 |
| MD5 hash: | 88bd5df597e188995af1c72acac2fc33 |
| humanhash: | tennessee-wyoming-grey-montana |
| File name: | 88bd5df597e188995af1c72acac2fc33.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 226'816 bytes |
| First seen: | 2021-08-19 05:48:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike) |
| ssdeep | 3072:gb75y7Qhr8QQoCc7UkJBKWyuWnkxhqj8SRtsF6OY79dUZ8f6uvvkoPIvA2hnX2dF:gpbr8QQoCcTOno6ZTl7iX4HX62c |
| Threatray | 423 similar samples on MalwareBazaar |
| TLSH | T1A024E071A3532888F13E80785018867D6E65D993C7EB1A32FD4CAC09ED2B727D91DE17 |
| Reporter |  abuse_ch |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
492
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cobaltstrike_shellcode.exe
Verdict:
Malicious activity
Analysis date:
2021-08-15 18:37:04 UTC
Tags:
trojan meterpreter
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrike
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
DNS request
Connection attempt
Sending a custom TCP request
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
Antivirus detection for URL or domain
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:
2021-08-16 05:35:04 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 413 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:1580103824 backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://csrss.re:443/updates.rss
Unpacked files
SH256 hash:
662888fca240707a51c2b5dedfa93a29f0ddf79ac48f59a427d5312131fb93b2
MD5 hash:
21bc6d37a2e64539bd1b156e27aa36de
SHA1 hash:
8722b683315f6280e9f73b18a876de438dd8fd84
SH256 hash:
78be78451c2e1e44adf23b08ce9138dd9e57a8110ef2f2f6458dfe7cd909346c
MD5 hash:
d6f44c465f7753dfa60544af90676dff
SHA1 hash:
651e616272e7451108c4accd769eb8544b8b5beb
SH256 hash:
b610633c3c8bbd28bd27021b942b8e4814466d6886525783bc88f87505ed4182
MD5 hash:
88bd5df597e188995af1c72acac2fc33
SHA1 hash:
311c3662137a9d265101456f0c305c142198d814
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Metasploit
Score:
0.70
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: | Cobaltbaltstrike_strike_Payload_XORed |
|---|---|
| Author: | Avast Threat Intel Team |
| Description: | Detects CobaltStrike payloads |
| Reference: | https://github.com/avast/ioc |
| 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_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_Unlicensed_CobaltStrike_EICAR_Jul18_5 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects strings found in CobaltStrike shellcode |
| Reference: | https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/ |
| 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: | 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: | MALWARE_Win_CobaltStrike |
|---|---|
| Author: | ditekSHen |
| Description: | CobaltStrike payload |
| Rule name: | PowerShell_Susp_Parameter_Combo |
|---|---|
| Author: | Florian Roth |
| Description: | Detects PowerShell invocation with suspicious parameters |
| Reference: | https://goo.gl/uAic1X |
| 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: | WiltedTulip_ReflectiveLoader |
|---|---|
| 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.
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