MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba. 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: 21


Intelligence 21 IOCs 1 YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba
SHA3-384 hash: 450c279bbd7194b990d0105db636ddfe12061d41bdb3ae92d640f7f4c540de89bd1f8b5fe3d91a9acf9bdbc8ef176bb1
SHA1 hash: 916436d752ed2325262ce22259acc0a11a05a714
MD5 hash: de31546b78d6d6475707cdc43029d7ea
humanhash: east-kentucky-sweet-stairway
File name:SOAAA FILE.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'265'536 bytes
First seen:2025-11-23 23:20:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:6vkt62XlaSFNWPjljiFa2RoUYI8rS51JZYoGdyTHHB72eh2NT:6v462XlaSFNWPjljiFXRoUYI8rSw
Threatray 1'787 similar samples on MalwareBazaar
TLSH T197E54A1437F85F23E1BBE273D5B0041267F1E82AB3A3FB4B6181677A1C53B505841AAB
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
31.57.147.87:3252

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
31.57.147.87:3252 https://threatfox.abuse.ch/ioc/1649439/

Intelligence

File Origin
# of uploads :
1
# of downloads :
144
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
_7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba.exe
Verdict:
Malicious activity
Analysis date:
2025-11-23 23:28:14 UTC
Tags:
auto-reg quasar
Link:
https://app.any.run/tasks/45c23956-fc48-4059-88bc-25aa77d4d667

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/41178/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692396f59c25de0dc401a373
Tags:
infosteal autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Launching a service
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 certreq expand explorer fingerprint infostealer lolbin obfuscated obfuscated quasar quasarrat reconnaissance runonce schtasks stealer tiger
Link:
https://www.filescan.io/uploads/692396be5d3feebe12d85599/reports/7192aba3-a8af-487c-82fa-098dd29879b3/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-23T19:50:00Z UTC
Last seen:
2025-11-24T07:23:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.a HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.MSIL.Quasar.gen PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb
Link:
https://opentip.kaspersky.com/7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/05e0baae-f512-4c0d-9772-ce7ad1850399
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819673
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819673 Sample: SOAAA FILE.exe Startdate: 24/11/2025 Architecture: WINDOWS Score: 100 40 choice99.ydns.eu 2->40 42 ipwho.is 2->42 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 6 other signatures 2->62 9 SOAAA FILE.exe 5 2->9         started        13 Edge.exe 3 2->13         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\...dge.exe, PE32 9->36 dropped 38 C:\Users\user\AppData\...\SOAAA FILE.exe.log, CSV 9->38 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->64 15 Edge.exe 14 5 9->15         started        20 schtasks.exe 1 9->20         started        signatures6 process7 dnsIp8 44 choice99.ydns.eu 31.57.147.87, 3252, 49718 RASANAIR Iran (ISLAMIC Republic Of) 15->44 46 ipwho.is 15.204.213.5, 443, 49720 HP-INTERNET-ASUS United States 15->46 32 C:\Users\user\AppData\...\i0j3KQ8yaMyy.exe, PE32 15->32 dropped 34 C:\Users\user\AppData\...\QOPRJBhmzoGD.exe, PE32 15->34 dropped 48 Antivirus detection for dropped file 15->48 50 Multi AV Scanner detection for dropped file 15->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->52 54 Installs a global keyboard hook 15->54 22 schtasks.exe 1 15->22         started        24 i0j3KQ8yaMyy.exe 3 15->24         started        26 QOPRJBhmzoGD.exe 3 15->26         started        28 conhost.exe 20->28         started        file9 signatures10 process11 process12 30 conhost.exe 22->30         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba
Verdict:
inconclusive
YARA:
14 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/de31546b78d6d6475707cdc43029d7ea
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 23:10:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p72zbq6mvju64hsy2vrbppa4g3q3jiamuvc364kwfr5qaw7g2w5a._file
Verdict:
malicious
Label(s):
purecrypter
Create hunting rule
quasarrat
Create hunting rule
Similar samples:
1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db
QuasarRAT
436575800b95744469c08b2b05fcd3bda915278c57d1d890ce3288e82a88c32a
QuasarRAT
7a5be1773b8383037113747990bf1798b072e8563773f3de3c23e3e99f2da25c
QuasarRAT
8056a37cd65f2a24c5ddb99843cc744d8f78f7befd95dcd77f9c4c5bfc6f45d3
QuasarRAT
error
QuasarRAT
f5e49e7ec748a0b4cfdecdddc5fdfaf9f5b7f38f73e962a4017b402ba8143d02
QuasarRAT
+ 1'777 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:darktortilla family:quasar botnet:sim crypter discovery execution loader persistence spyware trojan
Link:
https://tria.ge/reports/251123-3bnhhsfj71/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
Darktortilla
Darktortilla family
Detects Darktortilla crypter.
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
choice99.ydns.eu:3252
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer
Link:
https://app.threat.zone/submission/2504082c-10c6-4efd-980a-225bb74cdbda
Unpacked files
SH256 hash:
7ff590c3ccaa69ee1e58d56217bc1c36e1b4a00ca545bf71562c7b005be6d5ba
MD5 hash:
de31546b78d6d6475707cdc43029d7ea
SHA1 hash:
916436d752ed2325262ce22259acc0a11a05a714
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/b9af2085-ea0f-4f64-9464-a04d6bd6fd07/
Malware family:
DarkTortilla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7ff590c3ccaa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Generic_Threat_803feff4
Create hunting rule
Author:Elastic Security
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/41178/

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