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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe
SHA3-384 hash: 3a2ed2b116a6948a0c0683d186207e5dcb96f73ae2256a83e988c32e01c89c43a12b5b2504dbb26010f61a5956b08787
SHA1 hash: 4397c8d19ed3ce031572e758fe26a50a8d96debe
MD5 hash: 657cf25107f34bc6352a94554871dd27
humanhash: lima-william-september-nuts
File name:kryo_crypted_c9wmaqzo.bat
Download: download sample
File size:36'926 bytes
First seen:2025-12-02 21:34:25 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 768:lIXsdbeYuFZhOsEBoXoWtxMvfOzNpTG1LvhcAsebEPkV4ZI1XNLd:lI8dbaizGzvhzzTELFbEPCw0XNJ
TLSH T18EF2D0231D443F909BA12A006AFD22C953DC5BCE4D936D8DE523FD4A669A71D24FE09C
Magika batch
Reporter smica83
Tags:bat

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
kryo_crypted_c9wmaqzo.bat
Verdict:
Suspicious activity
Analysis date:
2025-12-02 21:37:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e98fb2c8-4d3e-4c76-876a-0f1e1997e0b8

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/42185/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692f5b98264b106bd646201b
Tags:
dropper sage remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a file in the %temp% directory
Creating a window
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 certutil certutil evasive lolbin msbuild obfuscated powershell powershell timeout
Link:
https://www.filescan.io/uploads/692f5b94eaea1c2f2b6f4012/reports/f45aa0ba-1ff2-4a90-8510-2b81def4640b/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-12-02T20:30:00Z UTC
Last seen:
2025-12-03T17:05:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.BAT.Alien.gen Trojan.VBS.Runner.sb
Link:
https://opentip.kaspersky.com/7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1824900
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: MSBuild execute suspicous task
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824900 Sample: kryo_crypted_c9wmaqzo.bat Startdate: 02/12/2025 Architecture: WINDOWS Score: 76 32 shed.dual-low.part-0013.t-0009.t-msedge.net 2->32 34 part-0013.t-0009.t-msedge.net 2->34 36 5 other IPs or domains 2->36 38 Sigma detected: MSBuild execute suspicous task 2->38 40 Antivirus detection for dropped file 2->40 42 .NET source code contains potential unpacker 2->42 44 3 other signatures 2->44 9 cmd.exe 2 2->9         started        signatures3 process4 process5 11 MSBuild.exe 11 9->11         started        14 powershell.exe 15 9->14         started        17 certutil.exe 3 2 9->17         started        19 8 other processes 9->19 file6 28 C:\Users\user\AppData\...\amgbsroe.cmdline, Unicode 11->28 dropped 21 csc.exe 4 11->21         started        46 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->46 30 C:\Users\user\AppData\...\payload_28118.xml, ASCII 17->30 dropped signatures7 process8 file9 26 C:\Users\user\AppData\Local\...\amgbsroe.dll, PE32 21->26 dropped 24 cvtres.exe 1 21->24         started        process10
Score:
83%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe/
Verdict:
Malicious
Threat:
Trojan.VBS.Runner
Link:
https://tip.neiki.dev/file/7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe
Threat name:
Script.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 21:35:18 UTC
File Type:
Text (Batch)
AV detection:
5 of 23 (21.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ouukz6772exxeal57qpy56ha7sawxfypp35kje5oi46n3m4mnh7a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/251202-1ffx5abp3z/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Deobfuscate/Decode Files or Information
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/7528acfbffd12f72017dfc1f8ef8e0fc816b970f7efaa493ae473cddb38c69fe

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:Certutil_Decode_OR_Download
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Certutil Decode
Reference:Internal Research
Rule name:NET
Create hunting rule
Author:malware-lu

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/42185/

Comments