MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89
SHA3-384 hash: a99755f9306ef067d3bc001b2e772c4eedab6af382750fbbacb886081e24eefabb13cfdde67d8b8fc751f1aee3bda417
SHA1 hash: 9735c2990261f9916fae354f2548a743df337595
MD5 hash: 8f62555a8b971031704360a6da25fcb9
humanhash: purple-alaska-mississippi-mango
File name:Orden de compra.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:4'066'816 bytes
First seen:2025-07-15 11:30:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 49152:vZYDyKwbXGlM65gT3pT2rU+a7xPsNytdLzneNN3IOJ3htXoWocoZ53tynAt6ZnX:vZ6YR+a7xPsNAfqN4OJ3nPo/3tyQ6Z
Threatray 55 similar samples on MalwareBazaar
TLSH T10316231537C16908DA7D7B712AA8E9C0C372B6CE6D62C71F408693CE3F31A463B45B69
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter lowmal3
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden de compra.exe
Verdict:
Malicious activity
Analysis date:
2025-07-15 11:35:52 UTC
Tags:
httpdebugger tool auto-reg
Link:
https://app.any.run/tasks/ac7a5881-8468-4d6c-9d19-57f9f4466d13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/14483/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68763bee900df8e7f86af49b
Tags:
micro virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated vbnet
Link:
https://www.filescan.io/uploads/68763be77bc45bdee1acd0fa/reports/7869a7f0-319a-455f-ad25-e4009ec84478/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/aad49207-d196-4417-bf35-a9b8c1abc457
Result
Threat name:
DarkTortilla, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1736916
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to delay execution (extensive OutputDebugStringW loop)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736916 Sample: Orden de compra.exe Startdate: 15/07/2025 Architecture: WINDOWS Score: 100 40 doe.ydns.eu 2->40 42 ipwho.is 2->42 44 cl-glcb907925.gcdn.co 2->44 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 10 other signatures 2->58 11 Orden de compra.exe 3 2->11         started        15 Windows Logon Application.exe 2 2->15         started        signatures3 process4 file5 38 C:\Users\user\...\Orden de compra.exe.log, ASCII 11->38 dropped 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->68 70 Injects a PE file into a foreign processes 11->70 17 Orden de compra.exe 4 11->17         started        signatures6 process7 file8 36 C:\Users\...\Windows Logon Application.exe, PE32 17->36 dropped 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->50 21 Windows Logon Application.exe 3 17->21         started        24 schtasks.exe 1 17->24         started        signatures9 process10 signatures11 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->60 62 Injects a PE file into a foreign processes 21->62 26 Windows Logon Application.exe 21->26         started        30 conhost.exe 24->30         started        process12 dnsIp13 46 doe.ydns.eu 45.141.233.131, 49722, 5901 ASDETUKhttpwwwheficedcomGB Bulgaria 26->46 48 ipwho.is 15.204.213.5, 443, 49724 HP-INTERNET-ASUS United States 26->48 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->64 66 Installs a global keyboard hook 26->66 32 schtasks.exe 26->32         started        signatures14 process15 process16 34 conhost.exe 32->34         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.20 Win 32 Exe x86
Link:
https://app.malva.re/file/8f62555a8b971031704360a6da25fcb9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89/
Verdict:
Malicious
Threat:
ByteCode-MSIL.Malware.Heuristic
Link:
https://tip.neiki.dev/file/4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2025-07-15 11:30:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
202
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j75stp2qvxti3n3lhtqt7csn7ljmdvzco2xrtk6w6yxs7vkax2eq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
0065d42e62b532221d6ec96913cdedd45d3e84b1d50076b478a5d0a22608b536
QuasarRAT
234c27282540fce4e90e597643213f70e86a028f155ac6796abcd5d88b3e53d0
QuasarRAT
4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89
QuasarRAT
6ce2462286dc687b1ccab7592a3a68c0504b2639e28cfb8a849e0cd12763fea0
QuasarRAT
9019276cf50b5e8397a04c81e75faf35308f2dd7b480db9a060e1c50e66678f2
QuasarRAT
c7cfa4eb2cce54eae7d5af7025931c424e48c3dd28dcdb76399e4ab23a4c1f6e
QuasarRAT
error
QuasarRAT
+ 45 additional samples on MalwareBazaar
Result
Malware family:
darktortilla
Create hunting rule
Score:
  10/10
Tags:
family:darktortilla crypter defense_evasion discovery execution loader persistence spyware trojan
Link:
https://tria.ge/reports/250715-nmfvgstvh1/
Behaviour
Modifies system certificate store
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Darktortilla
Darktortilla family
Detects Darktortilla crypter.
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2f6c0ba4-3b9b-4ef0-bfdd-24e7a507588c
Unpacked files
SH256 hash:
4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89
MD5 hash:
8f62555a8b971031704360a6da25fcb9
SHA1 hash:
9735c2990261f9916fae354f2548a743df337595
Link:
https://www.unpac.me/results/7d7a64d0-f512-4e12-a682-5920819ea3bd/
SH256 hash:
d380b329fff167bff84856be66a734fc93f99c1eebd4f035e3107524641afd54
MD5 hash:
b97e221fc6fa0a0e2e998b99395d2f5c
SHA1 hash:
ccc8a16fd5bc130643a9b0f2d3ea971649d20d21
Link:
https://www.unpac.me/results/7d7a64d0-f512-4e12-a682-5920819ea3bd/
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/4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89

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: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.

Malspam

QuasarRAT

Executable exe 4ffb29bf50ade68db76b3ce13f8a4dfad2c1d72276af19abd6f62f2fd540be89

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14483/

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