MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2f8e39e97dfd31bb434618acab9be13ca142f8ed5d84b6b1eec2ad51e0708d52. 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: | 2f8e39e97dfd31bb434618acab9be13ca142f8ed5d84b6b1eec2ad51e0708d52 |
|---|---|
| SHA3-384 hash: | 5ea0cbc4e6766b2c8c8618a53d3cfbdfe55fe91e449785dc792f2d901dc4b20a2e7f05af74bd57cbbe51fb093de6b63f |
| SHA1 hash: | a96c2abead19992927ba1409f4b8acdc777fb2e4 |
| MD5 hash: | c4609bec52bd3961b57e5f6cc0ba9571 |
| humanhash: | lithium-helium-cola-november |
| File name: | c4609bec52bd3961b57e5f6cc0ba9571 |
| Download: | download sample |
| Signature | CobaltStrike |
| File size: | 262'144 bytes |
| First seen: | 2020-10-25 07:57:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 39a613f0d59cc3ef3bbadfe701521e7c (128 x CobaltStrike) |
| ssdeep | 3072:TJwpS2NACV4qAbypuljJGnJYoTjqETdtbsnOfFwXVa/a494YJGaXM4rHnaH:TJwpYVNcn3pTdNe+WXViR4u/H |
| Threatray | 83 similar samples on MalwareBazaar |
| TLSH | E2445A4532A03DF5ECA7D67ACA974626EFF27C664630D71F0364165B0F273A1A22E312 |
| Reporter |  seifreed |
| Tags: | CobaltStrike |
Intelligence
File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 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
Sigma detected: Exe Launched By ReflectiveLoader Dll
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win64.PUA.CobaltStrikeBeacon
Status:
Malicious
First seen:
2020-08-27 00:47:00 UTC
File Type:
PE+ (Dll)
AV detection:
22 of 29 (75.86%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 73 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Malware Config
C2 Extraction:
http://95.141.41.29:401/updates.rss
Unpacked files
SH256 hash:
2f8e39e97dfd31bb434618acab9be13ca142f8ed5d84b6b1eec2ad51e0708d52
MD5 hash:
c4609bec52bd3961b57e5f6cc0ba9571
SHA1 hash:
a96c2abead19992927ba1409f4b8acdc777fb2e4
Detections:
win_cobalt_strike_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CobaltStrike
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_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: | 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: | 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: | MALW_cobaltrike |
|---|---|
| Author: | Marc Rivero | McAfee ATR Team |
| Description: | Rule to detect CobaltStrike beacon |
| 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: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| 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 |
| Rule name: | win_cobalt_strike_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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