MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae4b7284a9538c66432f02097c3de14e2253d16b6602c4694753468bc14d7d28. 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


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments
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SHA256 hash: ae4b7284a9538c66432f02097c3de14e2253d16b6602c4694753468bc14d7d28
SHA3-384 hash: 1fa5d901366b4d38e1f4acf6260557bcf6095110d63f33c9f1b62ac85348770ea0ffa37e19f44ef06efb3d54e692c2ac
SHA1 hash: b40e39adadc5ae4d98fd3900837414797562b1bc
MD5 hash: cf5762eea336cf74a0323d715f72b8b9
humanhash: alaska-michigan-alanine-ack
File name:encrypt.sh
Download: download sample
File size:3'577 bytes
First seen:2023-02-12 10:26:26 UTC
Last seen:Never
File type: sh
MIME type:text/x-shellscript
ssdeep 48:B81BTsQYguuB+o64T7q/A8IFozKLT0CYz1L1a1/d1j1J1E1/n1Q1TL1G1l1AoW7y:BsBwsuuB+o6Kq/1IFozRu92EFqGaX1u0
TLSH T19371F0C7F141EDB05C8C94B6AFA6BC5CE44661881C097B04758FB129F7CCB87369A11D
Reporter gregclermont
Tags:ESXi esxiargs Ransomware script sh


Avatar
gregclermont
This is the shell script used by the second version of the ESXiArgs ransomware campaign, that started around February 8, 2023.
It was obtained by user SnipTheCat from the BleepingComputer forums.
More context:
https://www.bleepingcomputer.com/news/security/new-esxiargs-ransomware-version-prevents-vmware-esxi-recovery/

Intelligence

File Origin
# of uploads :
1
# of downloads :
770
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic.Ransom.ESXiArgs.B.EF8AF70C.15794.12619.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/63e8bef7a7809cffc1633cab/reports/84d0ee07-8418-4cb6-94f2-df12b6d4484b/overview
Verdict:
Malicious
Labled as:
Ransom.ESXiArgs.B.Generic
Link:
https://www.hybrid-analysis.com/sample/ae4b7284a9538c66432f02097c3de14e2253d16b6602c4694753468bc14d7d28
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae4b7284a9538c66432f02097c3de14e2253d16b6602c4694753468bc14d7d28/
Threat name:
Script-Python.Ransomware.EsxiArgs
Create hunting rule
Status:
Malicious
First seen:
2023-02-12 10:27:06 UTC
File Type:
Text (Shell)
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vzfxfbfjkoggmqzpaiexyppbjyrfhullmybmi2khkndixqknpuua._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/ae4b7284a9538c66432f02097c3de14e2253d16b6602c4694753468bc14d7d28

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:RANSOM_ESXiArgs_Ransomware_Bash_Feb23
Create hunting rule
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects the ESXiArgs Ransomware encryption bash script
Reference:https://www.secuinfra.com/en/techtalk/hide-your-hypervisor-analysis-of-esxiargs-ransomware/

File information

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

  
Link
https://www.bleepingcomputer.com/forums/t/782193/esxi-ransomware-help-and-support-topic-esxiargs-args-extension/?p=5473353

Comments