MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f. 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: 16


Intelligence 16 IOCs YARA 27 File information Comments

SHA256 hash: e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f
SHA3-384 hash: cd535e5b587b5845b8c38ab28328d22de86f305420de012d8ee5ff792721b194094692405e521bcee029e73dbefb917c
SHA1 hash: 1099e489937a644376653ab4b5921da9527f50a9
MD5 hash: 5da0a355dcd44b29fdd27a5eba904d8d
humanhash: hotel-july-rugby-south
File name:CondoGenerator.exe
Download: download sample
Signature QuasarRAT
File size:3'266'048 bytes
First seen:2024-12-16 06:35:16 UTC
Last seen:2025-01-17 06:06:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:3viI22SsaNYfdPBldt698dBcjHFfRJ6fbR3LoGd5THHB72eh2NT:3vv22SsaNYfdPBldt6+dBcjHFfRJ6x
Threatray 981 similar samples on MalwareBazaar
TLSH T1E9E56B143BF85E27E1BBE277A5B0041267F0FC1AF363EB0B6581677A1C53B5098426A7
TrID 40.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
31.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
9.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.7% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter lontze7
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
367
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CondoGenerator.exe
Verdict:
Malicious activity
Analysis date:
2024-12-16 07:07:12 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
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
Enabling autorun by creating a file
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Quasar
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1575661 Sample: CondoGenerator.exe Startdate: 16/12/2024 Architecture: WINDOWS Score: 100 175 Found malware configuration 2->175 177 Malicious sample detected (through community Yara rule) 2->177 179 Antivirus detection for dropped file 2->179 181 8 other signatures 2->181 14 CondoGenerator.exe 5 2->14         started        18 Client.exe 9 2->18         started        process3 file4 161 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 14->161 dropped 163 C:\Users\user\...\CondoGenerator.exe.log, CSV 14->163 dropped 213 Uses schtasks.exe or at.exe to add and modify task schedules 14->213 215 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->215 20 Client.exe 10 14->20         started        24 schtasks.exe 1 14->24         started        165 C:\Users\user\AppData\...\yTjGifNyut0B.bat, DOS 18->165 dropped 26 cmd.exe 1 18->26         started        28 schtasks.exe 1 18->28         started        signatures5 process6 file7 151 C:\Users\user\AppData\...\Dsm2e8lze8fm.bat, DOS 20->151 dropped 193 Antivirus detection for dropped file 20->193 195 Multi AV Scanner detection for dropped file 20->195 197 Machine Learning detection for dropped file 20->197 199 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->199 30 cmd.exe 1 20->30         started        33 schtasks.exe 1 20->33         started        35 conhost.exe 24->35         started        201 Uses ping.exe to sleep 26->201 37 Client.exe 26->37         started        40 conhost.exe 26->40         started        42 PING.EXE 1 26->42         started        44 chcp.com 1 26->44         started        46 conhost.exe 28->46         started        signatures8 process9 file10 207 Uses ping.exe to sleep 30->207 209 Uses ping.exe to check the status of other devices and networks 30->209 48 Client.exe 9 30->48         started        52 chcp.com 1 30->52         started        54 conhost.exe 30->54         started        56 PING.EXE 1 30->56         started        58 conhost.exe 33->58         started        155 C:\Users\user\AppData\...\kL9JYfW8zKrC.bat, DOS 37->155 dropped 211 Hides that the sample has been downloaded from the Internet (zone.identifier) 37->211 60 cmd.exe 37->60         started        62 schtasks.exe 37->62         started        signatures11 process12 file13 147 C:\Users\user\AppData\...\X3KmVEwc4Z1e.bat, DOS 48->147 dropped 171 Hides that the sample has been downloaded from the Internet (zone.identifier) 48->171 64 cmd.exe 48->64         started        67 schtasks.exe 48->67         started        69 Conhost.exe 52->69         started        173 Uses ping.exe to sleep 60->173 71 Client.exe 60->71         started        74 chcp.com 60->74         started        76 conhost.exe 60->76         started        78 PING.EXE 60->78         started        80 conhost.exe 62->80         started        signatures14 process15 file16 167 Uses ping.exe to sleep 64->167 82 Client.exe 64->82         started        86 conhost.exe 64->86         started        88 chcp.com 64->88         started        90 PING.EXE 64->90         started        92 conhost.exe 67->92         started        157 C:\Users\user\AppData\...\n1T5F1JoTCKm.bat, DOS 71->157 dropped 169 Hides that the sample has been downloaded from the Internet (zone.identifier) 71->169 94 cmd.exe 71->94         started        96 schtasks.exe 71->96         started        98 Conhost.exe 74->98         started        signatures17 process18 file19 149 C:\Users\user\AppData\...\mI6U86mMBFVe.bat, DOS 82->149 dropped 183 Hides that the sample has been downloaded from the Internet (zone.identifier) 82->183 100 cmd.exe 82->100         started        103 schtasks.exe 82->103         started        185 Uses ping.exe to sleep 94->185 105 Client.exe 94->105         started        108 conhost.exe 94->108         started        110 chcp.com 94->110         started        112 PING.EXE 94->112         started        114 conhost.exe 96->114         started        signatures20 process21 file22 187 Uses ping.exe to sleep 100->187 116 Client.exe 100->116         started        120 conhost.exe 100->120         started        122 chcp.com 100->122         started        124 PING.EXE 100->124         started        126 conhost.exe 103->126         started        159 C:\Users\user\AppData\...\pj7eR4HjnoSN.bat, DOS 105->159 dropped 189 Hides that the sample has been downloaded from the Internet (zone.identifier) 105->189 128 cmd.exe 105->128         started        130 schtasks.exe 105->130         started        signatures23 process24 file25 153 C:\Users\user\AppData\...\SAFvsGsA7I0G.bat, DOS 116->153 dropped 203 Hides that the sample has been downloaded from the Internet (zone.identifier) 116->203 132 cmd.exe 116->132         started        135 schtasks.exe 116->135         started        205 Uses ping.exe to sleep 128->205 137 conhost.exe 128->137         started        139 chcp.com 128->139         started        141 PING.EXE 128->141         started        143 conhost.exe 130->143         started        signatures26 process27 signatures28 191 Uses ping.exe to sleep 132->191 145 conhost.exe 135->145         started        process29
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2024-09-29 18:23:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 discovery spyware trojan
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
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
System Network Configuration Discovery: Internet Connection Discovery
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
192.168.1.79:4782
Verdict:
Malicious
Tags:
stealer rat quasar_rat Win.Malware.Generic-9883083-0
YARA:
MALWARE_Win_Quasarstealer malware_windows_quasarrat win_quasar_rat_client MAL_QuasarRAT_May19_1
Unpacked files
SH256 hash:
e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f
MD5 hash:
5da0a355dcd44b29fdd27a5eba904d8d
SHA1 hash:
1099e489937a644376653ab4b5921da9527f50a9
Detections:
QuasarRAT
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
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Diff_QuasarRAT_01
Author:schmidtsz
Description:Identify QuasarRAT samples
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
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
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:quasarrat_kingrat
Author:jeFF0Falltrades
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RC6_Constants
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_803feff4
Author:Elastic Security
Rule name:win_quasar_rat_client
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.

Web download

QuasarRAT

Executable exe e7fa9494811b479f00405027a8bad59dccaa410ac439bdd046ed2c440d0e101f

(this sample)

  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high

Comments