MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a9bbebde954b27cbf6006128e1a22bdfa81d4ea853ba99bab4ec3333ea0bb89. 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: 7
| SHA256 hash: | 1a9bbebde954b27cbf6006128e1a22bdfa81d4ea853ba99bab4ec3333ea0bb89 |
|---|---|
| SHA3-384 hash: | b6744290068253fe43fb9ca399c545c4cf893759adeeb602a412ffcb420d0259ae0f28324481c0001846f033637030b0 |
| SHA1 hash: | 888dd122269e9f3843f7226646adefe52280628a |
| MD5 hash: | 8319e781fd06c90a3d4d3ac91e1cf08f |
| humanhash: | washington-saturn-sixteen-river |
| File name: | flash.exe |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 284'672 bytes |
| First seen: | 2020-08-27 10:04:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dc25ee78e2ef4d36faa0badf1e7461c9 (118 x CobaltStrike, 5 x Cobalt Strike) |
| ssdeep | 3072:7RhdKOV529sFlXAW0oT6x9NtQSARXM9tn+ssBl5OsXWLy34VqYdLnKH0:7RRCsVXT6xbAXMPzsVfXWI4YYdrd |
| Threatray | 89 similar samples on MalwareBazaar |
| TLSH | 27549DDFB91CA42CDC9E667A80E12E434C3C5E62CED77485EC27C621D66900253FBA76 |
| Reporter |  JAMESWT_WT |
| Tags: | CobaltStrike |
Intelligence
File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Sending a UDP request
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
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.Cobalt
Status:
Malicious
First seen:
2020-08-27 10:06:10 UTC
File Type:
PE (Exe)
AV detection:
28 of 29 (96.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 79 additional samples on MalwareBazaar
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: | 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: | 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: | 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: | PowerShell_Susp_Parameter_Combo |
|---|---|
| Author: | Florian Roth |
| Description: | Detects PowerShell invocation with suspicious parameters |
| Reference: | https://goo.gl/uAic1X |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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