MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 58c99ad39b408ae80a7b054f6771ef2290375faa8b6fba46a4958237248e10b9. 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: 10
| SHA256 hash: | 58c99ad39b408ae80a7b054f6771ef2290375faa8b6fba46a4958237248e10b9 |
|---|---|
| SHA3-384 hash: | 6008d80226599caf1a15651f160e0723133368b2f1e41caf1f06cb973cc8a18fb19e6a8a2568856075208327ca696fac |
| SHA1 hash: | 64c3f1b633c9e805aabebe64844b3eebb5deb84c |
| MD5 hash: | d7f978bb5c5b4847702169e86ec6f60f |
| humanhash: | idaho-timing-florida-may |
| File name: | cs.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 224'256 bytes |
| First seen: | 2021-09-24 13:11:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike) |
| ssdeep | 6144:6qrb+Uoybhi3+zLom3JkFFfhgX0Y6Vii8:9SUoyVW+z9J2Tii |
| Threatray | 539 similar samples on MalwareBazaar |
| TLSH | T1FB24CFB1BCA1DC13F858373AB4ADA3F53D677F2388B48B87963BA245695F01C54486D0 |
| Reporter |  drb_ra |
| Tags: | CobaltStrike |
Intelligence
File Origin
# of uploads :
1
# of downloads :
537
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cobaltstrike_shellcode.exe
Verdict:
No threats detected
Analysis date:
2021-09-24 13:11:20 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Detection(s):
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:
2021-09-24 13:12:33 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 529 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:1359593325 backdoor trojan
Behaviour
Modifies system certificate store
Cobaltstrike
Malware Config
C2 Extraction:
http://cdn.atlassian.com:80/v1/updateCheck
http://survey.gallup.com:80/v1/updateCheck
http://survey.gallup.com:80/v1/updateCheck
Unpacked files
SH256 hash:
a3a122d08fe81a53fbfd59921cd7ca519dae9fb45bd1852f5ba44b9ba26d9c8d
MD5 hash:
123d68d58730e915a0eaa5e80ff7425e
SHA1 hash:
fd7e821747d0085696d8493d19a7163de23eb675
SH256 hash:
b8ce2bd2090c59a86e559a61cbf2adabc77764718ccc5c836760387313568f57
MD5 hash:
8889046460db8cf1e869a059ef69bc3c
SHA1 hash:
719ece4feb53b32b94d30347936d414587f73952
SH256 hash:
58c99ad39b408ae80a7b054f6771ef2290375faa8b6fba46a4958237248e10b9
MD5 hash:
d7f978bb5c5b4847702169e86ec6f60f
SHA1 hash:
64c3f1b633c9e805aabebe64844b3eebb5deb84c
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:
1.00
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: | Cobaltbaltstrike_strike_Payload_XORed |
|---|---|
| Author: | Avast Threat Intel Team |
| Description: | Detects CobaltStrike payloads |
| Reference: | https://github.com/avast/ioc |
| Rule name: | CobaltStrikeBeacon |
|---|---|
| Author: | ditekshen, enzo & Elastic |
| Description: | Cobalt Strike Beacon Payload |
| 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_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_Unlicensed_CobaltStrike_EICAR_Jul18_5_RID361D |
|---|---|
| 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: | 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: | 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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