MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605. 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


Meterpreter


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605
SHA3-384 hash: e58840d9b63cb87854b1fc922e086c511354af07b582b0bd55b7e1723e7f99fe776785349ccfcedac0219e4fad6846ec
SHA1 hash: 19f618aa0d654f37fe1a015360982a214d39efd8
MD5 hash: 9675e6da4193d2b69155a31cef5fbddb
humanhash: hydrogen-alpha-avocado-oregon
File name:RyactInjector.bat
Download: download sample
Signature Meterpreter
Create hunting rule
File size:21'443 bytes
First seen:2025-11-13 20:41:08 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 384:gfpjIjcJgfzpEA051MYQOFMHHyaWBFqrf/Qs4pLzqCqDOhFIA4txyDyEXa0a:kRIxfzGAw1MYQUMHHy1BWf/QslAE9EKJ
TLSH T168A22A6A041E4C23DBDF15C08AF85D6ABF18500842B46D5E689C3D4A5F1EF2A36FCEC6
Magika batch
Reporter smica83
Tags:bat

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605.txt
Verdict:
No threats detected
Analysis date:
2025-11-13 20:41:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5cfc1736-d588-4df3-95c1-4bd26af53aa0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38140/
Detection(s):
SecuriteInfo.com.BAT.Obfus-5.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69164295434cd67b17c0f7a1
Tags:
n/a
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Launching a process
Running batch commands
Creating a process with a hidden window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive powershell timeout
Link:
https://www.filescan.io/uploads/69164272092ac23c515587e3/reports/8a9d99fb-7ca6-47f6-9e7a-ca7782c2f2fa/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605
Verdict:
Malicious
File Type:
ps1
Detections:
UDS:DangerousObject.Multi.Generic
Link:
https://opentip.kaspersky.com/87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1813790
Signature
AI detected malicious Powershell script
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Joe Sandbox ML detected suspicious sample
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1813790 Sample: RyactInjector.bat Startdate: 13/11/2025 Architecture: WINDOWS Score: 76 50 litter.catbox.moe 2->50 58 Antivirus detection for dropped file 2->58 60 AI detected malicious Powershell script 2->60 62 Joe Sandbox ML detected suspicious sample 2->62 64 3 other signatures 2->64 12 cmd.exe 1 2->12         started        15 svchost.exe 1 1 2->15         started        signatures3 process4 dnsIp5 70 Suspicious powershell command line found 12->70 72 Bypasses PowerShell execution policy 12->72 18 powershell.exe 12 12->18         started        21 conhost.exe 12->21         started        54 127.0.0.1 unknown unknown 15->54 signatures6 process7 signatures8 56 Suspicious powershell command line found 18->56 23 cmd.exe 2 18->23         started        process9 signatures10 66 Suspicious powershell command line found 23->66 26 powershell.exe 12 23->26         started        29 powershell.exe 14 15 23->29         started        32 conhost.exe 23->32         started        34 timeout.exe 1 23->34         started        process11 dnsIp12 68 Suspicious powershell command line found 26->68 36 powershell.exe 22 26->36         started        52 litter.catbox.moe 108.181.20.36, 443, 49681 ASN852CA Canada 29->52 signatures13 process14 file15 46 C:\Users\user\AppData\...\ls2wysu1.cmdline, Unicode 36->46 dropped 39 csc.exe 3 36->39         started        42 conhost.exe 36->42         started        process16 file17 48 C:\Users\user\AppData\Local\...\ls2wysu1.dll, PE32 39->48 dropped 44 cvtres.exe 1 39->44         started        process18
Score:
70%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605/
Verdict:
Clean
Link:
https://tip.neiki.dev/file/87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q4zxxqgzsbqupfajkghwfbz3tesvt5hb464ipptaeazvlbhw6ycq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion execution
Link:
https://tria.ge/reports/251113-zglz4abp5w/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Meterpreter

Batch (bat) bat 87337bc0d99061479409518f62873b992559f4e1e7b887be6020335584f6f605

(this sample)

Meterpreter

DLL dll e0f1571371d8b579299de7bd9f29ee524f531b00ee0ea936200b39c8f5aac1e5

Cape
Cape
https://www.capesandbox.com/analysis/38140/
  
Dropping
SHA256 e0f1571371d8b579299de7bd9f29ee524f531b00ee0ea936200b39c8f5aac1e5
  
Dropping
MD5 10a6cdd52d42ff83be6821c231dd0903

Comments