MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91d4281d998f532037fe66469d75b706cec2116769a85f5ab3564d3caf74f5bf. 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: 14
| SHA256 hash: | 91d4281d998f532037fe66469d75b706cec2116769a85f5ab3564d3caf74f5bf |
|---|---|
| SHA3-384 hash: | 557d67c56bb123e00daa4567c133deaa6949714baf03b881f2ada3c6906edad33c1f525ad2327fae5a0741841f8e3052 |
| SHA1 hash: | cc70464bddb3155da584f0ab7ee486dd68e9715e |
| MD5 hash: | bbd2e987fe76f370edfb02a0cf824745 |
| humanhash: | beryllium-pizza-sad-angel |
| File name: | bbd2e987fe76f370edfb02a0cf824745.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 222'208 bytes |
| First seen: | 2021-08-11 06:05:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike) |
| ssdeep | 6144:pSX4dA8RcpscFbKbwfNSs09a+fEZo+NYfw7GHY:M4dABgMVSs09tEZoMYfwyH |
| Threatray | 441 similar samples on MalwareBazaar |
| TLSH | T1FE24DFB384CEB817E6C26BF071AB96EC0E73744B8560DBB185479B7887D930D0D0A19E |
| Reporter |  abuse_ch |
| Tags: | CobaltStrike exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
505
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cobaltstrike_shellcode.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 12:41:30 UTC
Tags:
trojan meterpreter
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeBeacon
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending a UDP 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
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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:
Detection:
cobaltstrike
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-08-06 16:56:00 UTC
AV detection:
24 of 27 (88.89%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 431 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Score:
10/10
Tags:
family:cobaltstrike botnet:388888888 backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://43.224.33.42:8888/access/
Unpacked files
SH256 hash:
71fca803910e19d656af0f1e34a00080fe74543d994e38898180d36b91220923
MD5 hash:
873caeec7b90a2fe61eee4a9fedff2f8
SHA1 hash:
423bbeb2c37dd215a29d82c1f4292e599434adcc
SH256 hash:
1b65059c24c95aa8b70fe9afb902484ae6e3e97ab6b700a6f7134610b3d6e9b1
MD5 hash:
f6d1f3d63bafe0eb412a756767f31b11
SHA1 hash:
dfc6b70977e788f6a018f3883b0537e2a476f496
SH256 hash:
91d4281d998f532037fe66469d75b706cec2116769a85f5ab3564d3caf74f5bf
MD5 hash:
bbd2e987fe76f370edfb02a0cf824745
SHA1 hash:
cc70464bddb3155da584f0ab7ee486dd68e9715e
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_Beacon_XORed_x86 |
|---|---|
| Author: | Avast Threat Intel Team |
| Description: | Detects CobaltStrike payloads |
| Reference: | https://github.com/avast/ioc |
| 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_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_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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