MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33aac84b649e5475245a4f58fd01eba93596780e78a5577ff951de815fee696e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33aac84b649e5475245a4f58fd01eba93596780e78a5577ff951de815fee696e
SHA3-384 hash: af6370690fc3539059f2ca5563aca4e5ed1c6a7926737fe7100544095f4ea5c9d4ff6d2de55b8705ffe3343550bc00b8
SHA1 hash: 699257c5053457b61a7b33f9b74bca3d36e9879a
MD5 hash: c9adf3f9b786e8c9702cf03ae9ddf95b
humanhash: september-sweet-cardinal-failed
File name:svchost.bat
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:10'112'865 bytes
First seen:2025-02-25 11:39:07 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 49152:ymotBlmvuOQMLN5OqYpRHdxo2Hqff0EknShc6WwkaVtrHbyo2M8y0SS6YyTtAL82:2
TLSH T124A63370B6A81FEA045D967BF89F7C1E2A651F411B9AD0FB827524CA0F5FE012736C48
Magika txt
Reporter JAMESWT_WT
Tags:149-50-97-147 bat QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost.bat
Verdict:
No threats detected
Analysis date:
2025-02-25 12:07:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c8638f92-8325-4e2c-a907-b6212bb74c0e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bdac5d28ab76d43a5d0472
Tags:
obfuscate shell sage
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/67bdac2560f4b4f0724c23d1/reports/4e00b070-78a2-46e2-9541-aa590731dea2/overview
Verdict:
Suspicious
Labled as:
BAT/Agent.QUF trojan
Link:
https://www.hybrid-analysis.com/sample/33aac84b649e5475245a4f58fd01eba93596780e78a5577ff951de815fee696e
Result
Verdict:
SUSPICIOUS
Details
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1623636
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Found large BAT file
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
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1623636 Sample: svchost.bat Startdate: 25/02/2025 Architecture: WINDOWS Score: 100 57 ipwho.is 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Yara detected Quasar RAT 2->73 75 Found large BAT file 2->75 77 Joe Sandbox ML detected suspicious sample 2->77 12 cmd.exe 1 2->12         started        signatures3 process4 signatures5 91 Suspicious powershell command line found 12->91 15 powershell.exe 12 12->15         started        18 conhost.exe 12->18         started        process6 signatures7 93 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 15->93 20 cmd.exe 1 15->20         started        process8 signatures9 79 Suspicious powershell command line found 20->79 23 powershell.exe 29 30 20->23         started        27 powershell.exe 15 20->27         started        29 more.com 1 20->29         started        31 2 other processes 20->31 process10 dnsIp11 59 149.50.97.147, 4782, 54904 COGENT-174US United States 23->59 61 ipwho.is 195.201.57.90, 443, 54906 HETZNER-ASDE Germany 23->61 81 Writes to foreign memory regions 23->81 83 Modifies the context of a thread in another process (thread injection) 23->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->85 87 3 other signatures 23->87 33 winlogon.exe 23->33 injected 36 cmd.exe 23->36         started        38 findstr.exe 1 27->38         started        signatures12 process13 signatures14 63 Injects code into the Windows Explorer (explorer.exe) 33->63 65 Writes to foreign memory regions 33->65 67 Allocates memory in foreign processes 33->67 69 2 other signatures 33->69 40 lsass.exe 33->40 injected 43 svchost.exe 33->43 injected 45 dwm.exe 33->45 injected 53 29 other processes 33->53 47 powershell.exe 36->47         started        49 conhost.exe 36->49         started        51 chcp.com 36->51         started        process15 signatures16 89 Writes to foreign memory regions 40->89 55 ReAgentc.exe 47->55         started        process17
Score:
61%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/33aac84b649e5475245a4f58fd01eba93596780e78a5577ff951de815fee696e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33aac84b649e5475245a4f58fd01eba93596780e78a5577ff951de815fee696e/
Threat name:
Script-BAT.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-02-22 17:01:07 UTC
File Type:
Text (Batch)
AV detection:
6 of 24 (25.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=govmqs3etzkhkjc2j5mp2aplve2zm6aopcsvo77zkhpicx7onfxa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/250225-nscp1swkx5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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/33aac84b649e5475245a4f58fd01eba93596780e78a5577ff951de815fee696e

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:Warp
Create hunting rule
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Create hunting rule
Author:Seth Hardy
Description:Warp Identifying Strings

File information

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

Comments