MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c
SHA3-384 hash: 15806980a27f1c4e5c4eab3efd01a1c5857a53153329f371c5be14a55369913aa3a30860d026699dd1294098d8228f62
SHA1 hash: 72dd0007b0767edb0f3043b0111676392ca853b1
MD5 hash: a74c0c1155a4173cfdeee1358c2d1077
humanhash: magnesium-hot-may-lion
File name:T-7065.750.msi
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:5'591'645 bytes
First seen:2024-08-24 12:59:02 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:xkufFdUHM2FYg7TbSxWO3DbDaFuOuSRtZ:xkHM2lTWr3HWVJRtZ
TLSH T149461227B2D7C522D22D027BF529FE0E683DBEA7077001E7B6E5390E5874CC16679A12
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter JAMESWT_WT
Tags:BlotchyQuasar msi Spam-ITA

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c9d91be7ff3f5a063bd881
Tags:
Network Stealth
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin remote shell32 wix
Link:
https://www.filescan.io/uploads/66c9d91b950c378bfba590d5/reports/ca3eb175-b72a-4081-ae25-51b30424537e/overview
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1498405
Signature
AI detected suspicious sample
Multi AV Scanner detection for domain / URL
Behaviour
Behavior Graph:
Download SVG
Score:
26%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2024-08-19 16:55:29 UTC
File Type:
Binary (Archive)
Extracted files:
40
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=543hhrvnme5rwfgs67tsyq4xoaefgtmobbnk7yrkpsgpzm5yhnwa._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/240824-p7317a1dng/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Windows directory
Loads dropped DLL
Blocklisted process makes network request
Enumerates connected drives
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0ef6f11d-5801-4838-b3a3-2a03a4c6bee2
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/ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_LATAM_MSI_Banker
Create hunting rule
Rule name:suspicious_msi_file
Create hunting rule
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information

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

QuasarRAT

Microsoft Software Installer (MSI) msi ef3673c6ad613b1b14d2f7e72c43977008534d8e085aafe22a7c8cfcb3b83b6c

(this sample)

zip ace26c49520805fe9cc8c180edb23118dd044600dec444d7a3cb9ec5f21438c1

  
Dropping
SHA256 ace26c49520805fe9cc8c180edb23118dd044600dec444d7a3cb9ec5f21438c1
  
Dropping
MD5 2ff21bb3c336fc728a07a68a2e13ce5a
  
Dropping
SHA256 0ee8bf6e1c969905283c36a472153a8cce242f38ce25ddf0b593191d1f2770eb
  
Dropping
MD5 a0ec7e778c3692c7dfbbd67783cad77a

Comments