MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27f9ac6bd41284e86f0199eba0e1d7ad3703d04e095b0c8ae8ccf850b32365ac. 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


Intelligence 7 IOCs YARA 13 File information Comments

SHA256 hash: 27f9ac6bd41284e86f0199eba0e1d7ad3703d04e095b0c8ae8ccf850b32365ac
SHA3-384 hash: 47313cbae90b91148ec71b4ad18bfc37134764345cffb437b3b6898688183a2567aa6525405ee018903da2739954888c
SHA1 hash: 5398223bb822c310a5705c3cde5624f788f37ce6
MD5 hash: 70928740ccfe53d033796c858c92bb3b
humanhash: princess-coffee-low-stream
File name:70928740ccfe53d033796c858c92bb3b.exe
Download: download sample
Signature CobaltStrike
File size:458'752 bytes
First seen:2020-11-12 09:20:28 UTC
Last seen:2024-07-24 12:25:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f90a14dd2332ff9643765af2c5693f58 (3 x CobaltStrike)
ssdeep 6144:vcjoU8TLjWZXqOsHB7xSGr5at5rJBp/+aEUs1Ft5wSKleIjX:vkoU8T+ZXgbSG5at5r1fs51KleIL
Threatray 245 similar samples on MalwareBazaar
TLSH A2A4D0123160C471D19A34351461F7A1627ABCA1EB6C89CB3B96FB2E5E342E1E77234F
Reporter abuse_ch
Tags:CobaltStrike exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Connection attempt
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.
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign 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.Glupteba
Status:
Malicious
First seen:
2020-11-12 02:37:46 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
27f9ac6bd41284e86f0199eba0e1d7ad3703d04e095b0c8ae8ccf850b32365ac
MD5 hash:
70928740ccfe53d033796c858c92bb3b
SHA1 hash:
5398223bb822c310a5705c3cde5624f788f37ce6
SH256 hash:
1b00153a35da8bac2ab4a4621c1cdc39fc6b1f60cd951d5759d57c26734d7eb2
MD5 hash:
35c2dd05c2a6433b3683af86286a833e
SHA1 hash:
33a70885e3b9b04fa2e5eb91a4f91d85378a679c
SH256 hash:
59f26c1605d58713cc4148166213fec6498270338c7f0b02aafaf94f53f57bd9
MD5 hash:
f7ad2a9db65ee63a363ee139a85593c9
SHA1 hash:
d59b172146fcd97b31099d35a405ea80e0c5f677
Please note that we are no longer able to provide a coverage score for Virus Total.

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:APT_DarkHydrus_Jul18_5
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: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:CobaltStrikeBeacon
Author:enzo
Description:Cobalt Strike Beacon Payload
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: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: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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

CobaltStrike

Executable exe 27f9ac6bd41284e86f0199eba0e1d7ad3703d04e095b0c8ae8ccf850b32365ac

(this sample)

  
Delivery method
Distributed via web download

Comments