MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5. 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


QuasarRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5
SHA3-384 hash: cc7abedd2b041cf339516cb9c0a06e85024c1f69b5e4bb78b69dd0a2e7b9061efed818d94f030e4c81557bd2b372fbef
SHA1 hash: d1d00695d65c8be7328881a7e24a2d844f1e5428
MD5 hash: cbbb8311a661135f846908c85c3aa59f
humanhash: mobile-high-neptune-bakerloo
File name:bat[1].bat
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:5'188'729 bytes
First seen:2024-10-10 11:56:32 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 49152:et6+yh48tXPwBb78W9yt3xBjtPm/pAEmbHqTN0Q1ScyHqAM/Lt2nTwKYR4tiZB:c
Threatray 855 similar samples on MalwareBazaar
TLSH T1503602093396462910F4834CA7DD65BD97403B0D03B3BEB5D2DD1AF8EAA8B4ADF489C5
Magika batch
Reporter Fuzzy
Tags:bat payload powershell QuasarRAT


Avatar
Fuzzy
Fake pop-up warning site visitor there is a problem with website's security certificate. Steps provided to 'fix' this, which results in Base64 encoded Powershell being executed. Source-File-Logo.LSP.zip payload in PS script. Zip contains .bat file.

Intelligence

File Origin
# of uploads :
1
# of downloads :
133
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bat[1].bat
Verdict:
No threats detected
Analysis date:
2024-10-10 12:02:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e6e5a60c-1cfc-4480-83db-a791cd8b2cfa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.BAT.Agent.2954.28935.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6707bc28ab31793a7b214d1a
Tags:
Powershell Vmdetect Emotet Gumen
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm cmd lolbin wmic
Link:
https://www.filescan.io/uploads/6707c111b5f92be8082e5612/reports/51a445cd-f0de-4e42-995b-8475ac234c85/overview
Verdict:
Malicious
Labled as:
BAT/Agent.QKU trojan
Link:
https://www.hybrid-analysis.com/sample/cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5
Result
Verdict:
UNKNOWN
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1530757
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
AI detected suspicious sample
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Deletes itself after installation
Found large BAT file
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Obfuscated command line found
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powerup Write Hijack DLL
Suspicious command line found
Suspicious powershell command line found
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1530757 Sample: bat[1].bat Startdate: 10/10/2024 Architecture: WINDOWS Score: 100 85 Malicious sample detected (through community Yara rule) 2->85 87 Yara detected Quasar RAT 2->87 89 .NET source code contains potential unpacker 2->89 91 14 other signatures 2->91 12 cmd.exe 1 2->12         started        15 powershell.exe 2 15 2->15         started        process3 signatures4 119 Suspicious powershell command line found 12->119 121 Suspicious command line found 12->121 17 powershell.exe 32 12->17         started        21 WMIC.exe 1 12->21         started        23 conhost.exe 12->23         started        29 2 other processes 12->29 123 Writes to foreign memory regions 15->123 125 Modifies the context of a thread in another process (thread injection) 15->125 127 Injects a PE file into a foreign processes 15->127 25 dllhost.exe 1 15->25         started        27 conhost.exe 15->27         started        process5 file6 73 C:\Windows\$cnt-onimai2\$cnt-CO2.bat, DOS 17->73 dropped 93 Uses schtasks.exe or at.exe to add and modify task schedules 17->93 95 Deletes itself after installation 17->95 97 Modifies the context of a thread in another process (thread injection) 17->97 107 2 other signatures 17->107 31 cmd.exe 1 17->31         started        99 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 21->99 101 Injects code into the Windows Explorer (explorer.exe) 25->101 103 Contains functionality to inject code into remote processes 25->103 105 Writes to foreign memory regions 25->105 109 3 other signatures 25->109 34 lsass.exe 25->34 injected 36 svchost.exe 25->36 injected 39 winlogon.exe 25->39 injected 41 31 other processes 25->41 signatures7 process8 dnsIp9 131 Suspicious powershell command line found 31->131 43 powershell.exe 31->43         started        45 conhost.exe 31->45         started        47 cmd.exe 1 31->47         started        133 Writes to foreign memory regions 34->133 75 192.168.2.16 unknown unknown 36->75 77 192.168.2.17 unknown unknown 36->77 signatures10 process11 process12 49 cmd.exe 1 43->49         started        signatures13 81 Suspicious powershell command line found 49->81 83 Suspicious command line found 49->83 52 powershell.exe 49->52         started        56 WMIC.exe 1 49->56         started        58 conhost.exe 49->58         started        60 2 other processes 49->60 process14 dnsIp15 79 51.79.200.49, 49876, 49974, 49976 OVHFR Canada 52->79 111 Creates autostart registry keys with suspicious values (likely registry only malware) 52->111 113 Creates an autostart registry key pointing to binary in C:\Windows 52->113 115 Writes to foreign memory regions 52->115 117 4 other signatures 52->117 62 powershell.exe 1 52->62         started        65 schtasks.exe 1 52->65         started        signatures16 process17 signatures18 129 Injects a PE file into a foreign processes 62->129 67 conhost.exe 62->67         started        69 powershell.exe 1 62->69         started        71 conhost.exe 65->71         started        process19
Score:
78%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5/
Threat name:
Script-BAT.Trojan.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2024-10-10 11:36:11 UTC
File Type:
Text (Batch)
AV detection:
3 of 38 (7.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zqpn3cifmpwyeldrj3ex6tmeghlhsfq3rhxagxuqpmow34e4apsq._file
Verdict:
malicious
Label(s):
r77
Create hunting rule
quasarrat
Create hunting rule
r77_stager
Create hunting rule
metasploit
Create hunting rule
Similar samples:
28637cdb78354b4275c9ab7c7383e18d7735d195937861cab26092fc80ab7797
QuasarRAT
437af59fc02c9ce67969573cf822478f6def44201556bf4c04b983546a45883e
QuasarRAT
7a83a44720d94be24a8e7745d6871d65afda849c4008ab72511dd5ac38c7378c
QuasarRAT
7b1b95a4e2b7ce6d451ed38ee70b0e085063d461e35d6cc156da845d026e9ff6
QuasarRAT
e96f8f61e3af77c429ae6af54c128f7b8420a45a0a63bdfcacd682773b8e5fc1
QuasarRAT
error
QuasarRAT
fd4270f11afee189662bb9bd907f3d732002a44a76ab3c356b50e0e64a4e81b4
QuasarRAT
ff6b8599327f09bf46bec16e6535b82f27a804f4877799772e843a85f3f1b573
QuasarRAT
+ 845 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/241010-n4kvrsvfng/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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/cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5

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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

QuasarRAT

Batch (bat) bat cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5

(this sample)

  
Link
https://www.virustotal.com/gui/file/cc1edd890563ed822c714ec97f4d8431d679161b89ee035e907b1d6df09c03e5/behavior
  
Delivery method
Distributed via web download

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