MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c
SHA3-384 hash: 37279e248f11b13d327ae223e61fdec44c8ef92ae88c093909a71b6039400bef228b4e546d6de0849e2925d812ba6458
SHA1 hash: ab18d1d10a85f9e04ed0f04df592e502a54d406b
MD5 hash: 17db34e555e545ce20f804526a31ed48
humanhash: cat-white-undress-football
File name:17db34e555e545ce20f804526a31ed48
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:13'824 bytes
First seen:2024-07-21 08:06:26 UTC
Last seen:2024-07-21 08:23:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:r7sBDLLNnwR1VvzbL7MCa2l0/NHyq4b3dY6Er:r7aw3Vb0xVdsNGr
Threatray 726 similar samples on MalwareBazaar
TLSH T1B3521805F3484636D5AB4E3A9CE3436182B4D6471942FF0D3CDDE2E92D4B6E943A2FA1
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
369
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.TR.Dropper.Gen.3314.12662.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669cc1a6b302ab76f4482065
Tags:
Execution Generic Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Creating a window
Launching a process
Enabling the 'hidden' option for recently created files
Setting a keyboard event handler
Connecting to a non-recommended domain
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/669cc1a6a537d9330be0de7a/reports/761a75a2-e66f-46a3-a135-e303ce0b8759/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55972c97-103c-4e46-bc29-863efe6497ca
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477421
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops large PE files
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1477421 Sample: dzCvoZ0uLj.exe Startdate: 21/07/2024 Architecture: WINDOWS Score: 100 43 ipwho.is 2->43 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 9 other signatures 2->67 10 dzCvoZ0uLj.exe 14 6 2->10         started        15 KR6nDu9fLhop1bFe.exe 3 2->15         started        signatures3 process4 dnsIp5 49 91.92.248.28, 49730, 80 THEZONEBG Bulgaria 10->49 41 C:\Users\user\...\r5ZAustFvh1xGKJS.exe, PE32 10->41 dropped 75 Drops large PE files 10->75 77 Adds a directory exclusion to Windows Defender 10->77 17 r5ZAustFvh1xGKJS.exe 4 10->17         started        21 powershell.exe 23 10->21         started        file6 signatures7 process8 file9 39 C:\Users\user\...\KR6nDu9fLhop1bFe.exe, PE32 17->39 dropped 51 Antivirus detection for dropped file 17->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 17->53 55 Drops large PE files 17->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->57 23 KR6nDu9fLhop1bFe.exe 14 8 17->23         started        27 schtasks.exe 1 17->27         started        59 Loading BitLocker PowerShell Module 21->59 29 WmiPrvSE.exe 21->29         started        31 conhost.exe 21->31         started        signatures10 process11 dnsIp12 45 85.28.47.123, 4782, 49737 GES-ASRU Russian Federation 23->45 47 ipwho.is 195.201.57.90, 443, 49738 HETZNER-ASDE Germany 23->47 69 Antivirus detection for dropped file 23->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->71 73 Installs a global keyboard hook 23->73 33 schtasks.exe 1 23->33         started        35 conhost.exe 27->35         started        signatures13 process14 process15 37 conhost.exe 33->37         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-07-21 08:07:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=a5as7odqrpn5emivoq6eqvuyd2ydq45xkxipxvhmo5c2mqw76joa._file
Verdict:
malicious
Similar samples:
07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c
QuasarRAT
30c381a042e571d4d749f7aff6e1b17d77100ad35368c9a67136c1b5436c79cb
QuasarRAT
9409521653887ec13272edd26f3768efb6f176b49b15a058dfcf69b9172faece
QuasarRAT
f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115
QuasarRAT
f72153dbb753423e630840ed3674c6a0ce27b4ff5d1790a5bbb6d5707f9ed41e
QuasarRAT
f99ecbd9f26048dbb962f1711199e5f5d00ac8bbd87f539dd5a99631a15fadba
QuasarRAT
fef41f0e605a109f64d8078ad0bb3813b39f562a90c63449120bae59be131284
QuasarRAT
+ 716 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 execution spyware trojan
Link:
https://tria.ge/reports/240721-jzy5dawgjf/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
85.28.47.123:4782
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d31bc6dc-16a7-4a85-af0e-aa91fb59885b
Unpacked files
SH256 hash:
07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c
MD5 hash:
17db34e555e545ce20f804526a31ed48
SHA1 hash:
ab18d1d10a85f9e04ed0f04df592e502a54d406b
Link:
https://www.unpac.me/results/17e5d49b-19da-4a9f-a9bb-987d531636f3/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/07412fb8708b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c

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__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

QuasarRAT

Executable exe 07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3055926/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-07-21 08:06:27 UTC

url : hxxp://91.92.248.28/Build.exe