MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4. 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: 18


Intelligence 18 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4
SHA3-384 hash: 3ee1b853d503b67cef1643be9211f1f6189eacbe8f76ca2208d024fa595b7d13b92433f321666294e31e83955ccebe01
SHA1 hash: 4cfcddc23cc0949ca620474edef6c82a2c2280d3
MD5 hash: 3dc1d39a2ebeb5dc85da7e8c3d6e3aaa
humanhash: robin-queen-failed-bulldog
File name:fud2.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'404'449 bytes
First seen:2024-12-17 06:31:04 UTC
Last seen:2025-01-20 08:36:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c16c795b57934183422be5f6df7d891 (36 x Mofksys, 18 x CryptOne, 6 x AveMariaRAT)
ssdeep 49152:tkvXI22SsaNYfdPBldt698dBcjHIGRJ6ybR3LoGdJTHHB72eh2NTC:OvY22SsaNYfdPBldt6+dBcjHIGRJ6sZ
Threatray 689 similar samples on MalwareBazaar
TLSH T1E8F56C143BF85E27E1BBE677A5B0041267F0FC1AB3A3EB0B218167791C53B5198427A7
TrID 42.6% (.EXE) Win32 Executable (generic) (4504/4/1)
19.4% (.ICL) Windows Icons Library (generic) (2059/9)
18.9% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon 00928e8e8686b800 (21 x Mofksys, 9 x CryptOne, 5 x Amadey)
Reporter lontze7
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
360
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
241127-xqsswsslej_pw_infected.zip
Verdict:
Malicious activity
Analysis date:
2024-12-16 11:37:57 UTC
Tags:
arch-exec loader github telegram opendir auto asyncrat vidar stealer quasarrat lumma sliver miner payload hausbomber dcrat evasion amadey botnet jeefo rat njrat bladabindi neshta remcos tas17 upx mouseloader discord xworm meterpreter meduzastealer
Link:
https://app.any.run/tasks/f7345c34-d409-44f5-9b90-3c2bdd8ac2a9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

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

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

Win.Trojan.VBGeneric-6735875-0
Create hunting rule

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

Win.Trojan.Agent-1109049
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67611c7d8fb73f13afcfeea6
Tags:
infosteal autorun quasar swisyn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the Windows subdirectories
Creating a file
Creating a process from a recently created file
Creating a file in the system32 subdirectories
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Setting a single autorun event
Enabling autorun by creating a file
Enabling a "Do not show hidden files" option
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq expand explorer infostealer keylogger lolbin obfuscated overlay packed packed packer_detected quasarrat rat remote runonce schtasks stealer stealer visual_basic
Link:
https://www.filescan.io/uploads/67611ae3d6d141003a497e34/reports/8045df95-2285-4883-a08a-86633c367182/overview
Verdict:
Malicious
Labled as:
Gosys.B
Link:
https://www.hybrid-analysis.com/sample/5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/edae62c0-e8cb-4209-9f60-a895afbfebe6
Result
Threat name:
CryptOne, Mofksys, Quasar
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1576468
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected CryptOne packer
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
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
PE file has a writeable .text section
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mofksys
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1576468 Sample: fud2.exe Startdate: 17/12/2024 Architecture: WINDOWS Score: 100 73 googlecode.l.googleusercontent.com 2->73 75 codecmd03.googlecode.com 2->75 77 2 other IPs or domains 2->77 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for dropped file 2->87 89 14 other signatures 2->89 11 fud2.exe 1 3 2->11         started        15 svchost.exe 2->15 injected 17 fud2.exe 1 2->17         started        19 2 other processes 2->19 signatures3 process4 file5 67 C:\Windows\Resources\Themes\icsys.icn.exe, MS-DOS 11->67 dropped 69 C:\Users\user\Desktop\fud2.exe, PE32 11->69 dropped 123 Drops executables to the windows directory (C:\Windows) and starts them 11->123 21 icsys.icn.exe 2 11->21         started        25 fud2.exe 6 11->25         started        125 Injects code into the Windows Explorer (explorer.exe) 15->125 27 consent.exe 15->27         started        29 explorer.exe 15->29         started        31 svchost.exe 15->31         started        33 explorer.exe 17->33         started        signatures6 process7 file8 59 C:\Windows\Resources\Themes\explorer.exe, MS-DOS 21->59 dropped 109 Antivirus detection for dropped file 21->109 111 Multi AV Scanner detection for dropped file 21->111 113 Machine Learning detection for dropped file 21->113 115 Drops PE files with benign system names 21->115 35 explorer.exe 15 21->35         started        61 C:\Windows\System32\SubDir\fud2.exe, MS-DOS 25->61 dropped 63 C:\Windows\...\fud2.exe:Zone.Identifier, ASCII 25->63 dropped 65 C:\Users\user\AppData\Local\...\fud2.exe .log, CSV 25->65 dropped 117 Drops executables to the windows directory (C:\Windows) and starts them 25->117 119 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->119 40 fud2.exe 1 25->40         started        42 schtasks.exe 1 25->42         started        121 Writes to foreign memory regions 27->121 signatures9 process10 dnsIp11 79 64.233.161.82, 49730, 49737, 49756 GOOGLEUS United States 35->79 81 googlecode.l.googleusercontent.com 64.233.165.82, 49719, 49744, 49768 GOOGLEUS United States 35->81 57 C:\Windows\Resources\spoolsv.exe, MS-DOS 35->57 dropped 99 Antivirus detection for dropped file 35->99 101 System process connects to network (likely due to code injection or exploit) 35->101 103 Machine Learning detection for dropped file 35->103 105 Drops PE files with benign system names 35->105 44 spoolsv.exe 3 35->44         started        107 Multi AV Scanner detection for dropped file 40->107 48 explorer.exe 1 40->48         started        50 conhost.exe 42->50         started        file12 signatures13 process14 file15 71 C:\Windows\Resources\svchost.exe, MS-DOS 44->71 dropped 127 Antivirus detection for dropped file 44->127 129 Machine Learning detection for dropped file 44->129 131 Drops PE files with benign system names 44->131 52 svchost.exe 2 2 44->52         started        signatures16 process17 signatures18 91 Antivirus detection for dropped file 52->91 93 Detected CryptOne packer 52->93 95 Machine Learning detection for dropped file 52->95 97 Drops executables to the windows directory (C:\Windows) and starts them 52->97 55 spoolsv.exe 52->55         started        process19
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4/
Threat name:
Win32.Trojan.Golsys
Create hunting rule
Status:
Malicious
First seen:
2024-12-16 12:35:32 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l3st47rfua5p6wus3wmyatwmhb4v65itin7ifpthbopawynjr2sa._file
Verdict:
malicious
Label(s):
mofksys
Create hunting rule
quasarrat
Create hunting rule
Similar samples:
3f94a886d4917d5cba86e9b604d001e649cc048286376c4cff495658d68b117a
QuasarRAT
52de83987941b92875cecdd1661cc2757eae4f02ef564fd2e147d06eb9d8ab44
QuasarRAT
575901f83294547395d2a53d741ecc756906c62a0d7e942890a23c833e0593de
QuasarRAT
5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4
QuasarRAT
9409521653887ec13272edd26f3768efb6f176b49b15a058dfcf69b9172faece
QuasarRAT
cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c
QuasarRAT
error
QuasarRAT
+ 679 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:hacked-fud1 discovery evasion persistence spyware trojan
Link:
https://tria.ge/reports/241217-hamvdasrcz/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Modifies visiblity of hidden/system files in Explorer
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
192.168.100.10:1412
Verdict:
Malicious
Tags:
rat quasar_rat stealer trojan Win.Malware.Generic-9883083-0
YARA:
malware_windows_quasarrat MAL_QuasarRAT_May19_1 MALWARE_Win_Quasarstealer Windows_Generic_Threat_7526f106 Windows_Generic_Threat_cbe3313a
Link:
https://app.threat.zone/submission/a0cb2d55-66bb-4a28-8809-72d98f5d3d87
Unpacked files
SH256 hash:
2a1b24e284eb329bcac58cfe90ef04e390aef10f4c0cc4eddf6077d113e5e591
MD5 hash:
f2fde7b36d929112d10c35f88597e643
SHA1 hash:
ecfb40c3f75cbabf3787d7cc466f4ab3e0bfb59a
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasar_rat_client
Create hunting rule
win_quasarrat_j2
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Link:
https://www.unpac.me/results/b1165018-8468-431e-91cb-e4d13d1a66d9/
SH256 hash:
5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4
MD5 hash:
3dc1d39a2ebeb5dc85da7e8c3d6e3aaa
SHA1 hash:
4cfcddc23cc0949ca620474edef6c82a2c2280d3
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/b1165018-8468-431e-91cb-e4d13d1a66d9/
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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Diff_QuasarRAT_01
Create hunting rule
Author:schmidtsz
Description:Identify QuasarRAT samples
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:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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
Create hunting rule
Description:Detects QuasarRAT malware
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:SUSP_Imphash_Mar23_2
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Generic_Threat_7526f106
Create hunting rule
Author:Elastic Security
Rule name:Windows_Generic_Threat_803feff4
Create hunting rule
Author:Elastic Security
Rule name:Windows_Generic_Threat_cbe3313a
Create hunting rule
Author:Elastic Security

File information

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

Web download

QuasarRAT

Executable exe 5ee53e7e25a03aff5a92dd99804ecc38795f7513437e82be670b9e0b61a98ea4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3351834/
  
URLhaus
https://urlhaus.abuse.ch/url/3353389/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
VB_APILegacy Visual Basic API usedMSVBVM60.DLL::__vbaCopyBytes
MSVBVM60.DLL::__vbaSetSystemError
MSVBVM60.DLL::__vbaExitProc
MSVBVM60.DLL::__vbaObjSetAddref
MSVBVM60.DLL::EVENT_SINK_AddRef
MSVBVM60.DLL::__vbaFileOpen

Comments