MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b78cdf3ff3def0a9800ff193bb0d4928072e1296c7801fc095fc9e69442a333c. 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


CarnavalHeist


Vendor detections: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b78cdf3ff3def0a9800ff193bb0d4928072e1296c7801fc095fc9e69442a333c
SHA3-384 hash: 29faf8049aee1e8347c67f37bdaf92b0a1a39ed70b39ad7e8a750515fdea9c73abc6438ba8b60784a436caa5829af657
SHA1 hash: 8ffa282f03b0cf980e89875c8f9b4ff426c01bec
MD5 hash: 426477871ea1c1475de3ecadc3f6fb9d
humanhash: pip-edward-double-zulu
File name:ztrwpdxy.bat
Download: download sample
Signature CarnavalHeist
Create hunting rule
File size:3'817 bytes
First seen:2026-07-30 17:49:37 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 48:NTTqFJEcFGfDMipwUCI6l+vuTAuZV+Q2mXBDLwwaAfGi8cqG1qiz0sKaXcLKFs7u:NzcwrMijw4gojU/4ysLK2K
TLSH T1A1710763DE1A5D468BB1820902CE89C1082D43C561679DFE22A7DBB8CB1822D70F779D
Magika batch
Reporter johnk3r
Tags:bat CarnavalHeist centraldoxml-online centrallxml-co Downloader j86ab5b0c9792169c604a1cc-brazilsouth-cloudapp-azure-com

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
Origin country :
BR BR
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/76874/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Launching a process
Creating a window
Сreating synchronization primitives
Running batch commands
DNS request
Connection attempt
Sending a custom TCP request
Creating a process from a recently created file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd lolbin obfuscated opendir powershell
Link:
https://www.filescan.io/uploads/6a6ba30f5655255ca4bea3b6/reports/e3c9fee0-e58e-4c63-ac34-0e5a1a096f20/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b78cdf3ff3def0a9800ff193bb0d4928072e1296c7801fc095fc9e69442a333c
Verdict:
Malicious
File Type:
text
First seen:
2026-07-30T14:05:00Z UTC
Last seen:
2026-07-30T16:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b78cdf3ff3def0a9800ff193bb0d4928072e1296c7801fc095fc9e69442a333c/results?tab=lookup
Result
Threat name:
CarnavalHeist
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1950348
Signature
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Creates a thread in another existing process (thread injection)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Obfuscated command line found
Powershell drops PE file
Suspicious powershell command line found
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected CarnavalHeist
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1950348 Sample: ztrwpdxy.bat Startdate: 30/07/2026 Architecture: WINDOWS Score: 88 66 www.python.org 2->66 68 ja7570b4cf216898eb5d0002ee090.ddnsfree.com 2->68 70 3 other IPs or domains 2->70 86 Yara detected CarnavalHeist 2->86 88 Joe Sandbox ML detected suspicious sample 2->88 10 cmd.exe 3 3 2->10         started        13 Sk9ORVNQQw.exe 2->13         started        15 Sk9ORVNQQw.exe 2->15         started        signatures3 process4 signatures5 92 Suspicious powershell command line found 10->92 94 Obfuscated command line found 10->94 17 powershell.exe 62 10->17         started        21 Sk9ORVNQQw.exe 1 475 10->21         started        23 cmd.exe 1 10->23         started        25 6 other processes 10->25 process6 dnsIp7 48 C:\ProgramData\Sk9ORVNQQw\zlib1.dll, PE32 17->48 dropped 50 C:\ProgramData\Sk9ORVNQQw\winsound.pyd, PE32 17->50 dropped 52 C:\ProgramData\Sk9ORVNQQw\vcruntime140.dll, PE32 17->52 dropped 62 29 other malicious files 17->62 dropped 74 Loading BitLocker PowerShell Module 17->74 54 C:\Users\user\AppData\...\124i7tbie7xx3.exe, PE32 21->54 dropped 56 C:\ProgramData\Sk9ORVNQQw\Sk9ORVNQQwx.exe, PE32 21->56 dropped 64 105 other files (1 malicious) 21->64 dropped 76 Writes to foreign memory regions 21->76 78 Allocates memory in foreign processes 21->78 80 Creates a thread in another existing process (thread injection) 21->80 28 Sk9ORVNQQwx.exe 21->28         started        31 124i7tbie7xx3.exe 21->31         started        33 WerFault.exe 21->33         started        35 WerFault.exe 21->35         started        82 Obfuscated command line found 23->82 37 powershell.exe 7 23->37         started        72 dualstack.python.map.fastly.net 151.101.192.223, 443, 49770 FASTLY-FastlyIncUS Canada 25->72 58 C:\ProgramData\Sk9ORVNQQw\Sk9ORVNQQw.exe, PE32 25->58 dropped 60 C:\ProgramData\Sk9ORVNQQw.zip, Zip 25->60 dropped 84 Powershell drops PE file 25->84 file8 signatures9 process10 signatures11 96 Bypasses PowerShell execution policy 28->96 39 powershell.exe 28->39         started        42 taskkill.exe 28->42         started        98 Unusual module load detection (module proxying) 31->98 process12 signatures13 90 Loading BitLocker PowerShell Module 39->90 44 conhost.exe 39->44         started        46 conhost.exe 42->46         started        process14
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b78cdf3ff3def0a9800ff193bb0d4928072e1296c7801fc095fc9e69442a333c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b78cdf3ff3def0a9800ff193bb0d4928072e1296c7801fc095fc9e69442a333c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6gn6p7t33yktaap6gj3wdkjfads4euwy6ab7qev7spgsrbkgm6a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/260730-xy148sywfy/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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/b78cdf3ff3def0a9800ff193bb0d4928072e1296c7801fc095fc9e69442a333c

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:Base64_decoding
Create hunting rule
Author:iam-py-test
Description:Detect scripts which are decoding base64 encoded data (mainly Python, may apply to other languages)
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:obfuscated_BAT
Create hunting rule
Author:@warz_s
Description:Identifies obfuscated BAT files
Reference:https://github.com/secwarz/YaraRules
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.

Cape
Cape
https://www.capesandbox.com/analysis/76874/

Comments