MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e8710133491bdf0b0d1a2e3d9a2dbbf0d58e0dbb0e0f7c65acef4f788128e1e4. 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: 9
| SHA256 hash: | e8710133491bdf0b0d1a2e3d9a2dbbf0d58e0dbb0e0f7c65acef4f788128e1e4 |
|---|---|
| SHA3-384 hash: | 9f98d2c7b5939bfc88417995edcecce801a182c16549cc3c182e2fe1cbb01c8eb8f6ccd8b5450b445d6ee2bdb53f8ac8 |
| SHA1 hash: | 5cd1788d0e61bdf8e151fc5023de78c9b582f9f5 |
| MD5 hash: | 7a7c1556cc9c5bbeee5fe20b3493c707 |
| humanhash: | crazy-wisconsin-william-table |
| File name: | evil.vbs |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 20'570 bytes |
| First seen: | 2022-02-23 21:37:46 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 192:JgVwLjUJpJf0t59KLKnVlxiuc6Xsn4XwS85p:qVwLjmpJfC59KLKnVlxiucusn4XwS85p |
| Threatray | 647 similar samples on MalwareBazaar |
| TLSH | T10092ED24684DDBFA3453DD8FAFCD65A088C408E39939B3B8B4B9D1CD45A055C7A9E703 |
| Reporter |  adm1n_usa32 |
| Tags: | CobaltStrike vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
719
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
MALICIOUS
Result
Threat name:
Metasploit
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Document exploit detected (process start blacklist hit)
Found malware configuration
Potential malicious VBS script found (suspicious strings)
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: CACTUSTORCH Remote Thread Creation
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious Remote Thread Created
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
System process connects to network (likely due to code injection or exploit)
VBScript performs obfuscated calls to suspicious functions
Yara detected Metasploit Payload
Behaviour
Behavior Graph:
Threat name:
Script-WScript.Trojan.Valyria
Status:
Malicious
First seen:
2022-02-23 21:38:10 UTC
File Type:
Text (VBS)
AV detection:
18 of 43 (41.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 637 additional samples on MalwareBazaar
Result
Malware family:
metasploit
Score:
10/10
Tags:
family:cobaltstrike family:metasploit backdoor trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Blocklisted process makes network request
Cobaltstrike
MetaSploit
Process spawned unexpected child process
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
http://47.98.51.47:59995/GdaP
Malware family:
Cobalt Strike
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.89
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: | Beacon_K5om_RID2B14 |
|---|---|
| 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: | CobaltStrikeBeacon |
|---|---|
| Author: | ditekshen, enzo & Elastic |
| Description: | Cobalt Strike Beacon Payload |
| Rule name: | CobaltStrike_C2_Encoded_XOR_Config_Indicator |
|---|---|
| Author: | yara@s3c.za.net |
| Description: | Detects CobaltStrike C2 encoded profile configuration |
| Rule name: | CobaltStrike_ReflectiveLoader_RID3297 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects reflective loader (Cobalt Strike) |
| Reference: | http://www.clearskysec.com/tulip |
| 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: | Leviathan_CobaltStrike_Sample_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Cobalt Strike sample from Leviathan report |
| Reference: | https://goo.gl/MZ7dRg |
| Rule name: | Leviathan_CobaltStrike_Sample_1_RID3324 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Cobalt Strike sample from Leviathan report |
| Reference: | https://goo.gl/MZ7dRg |
| Rule name: | malware_CobaltStrike_beacon |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | CobaltStrike encoding code |
| Rule name: | malware_CobaltStrike_v3v4 |
|---|---|
| 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: | 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: | PowerShell_Susp_Parameter_Combo_RID336F |
|---|---|
| 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: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_Mozilla_RID2DB4 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | Trojan_Raw_Generic_4 |
|---|---|
| Author: | FireEye |
| Reference: | https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html |
| 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: | XOREngine_Misc_XOR_Func |
|---|---|
| Author: | smiller cc @florian @wesley idea on implementation with yara's built in XOR function |
| Description: | Use with care, https://twitter.com/cyb3rops/status/1237042104406355968 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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