MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5df7a18c5674abbab89a53d3398c3398b800b14f8ff08488d89407402325f75a. 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: 17
| SHA256 hash: | 5df7a18c5674abbab89a53d3398c3398b800b14f8ff08488d89407402325f75a |
|---|---|
| SHA3-384 hash: | 0d184c8f56256a88c8e67e751646510677986a0a02f95eaef049f54045ac6f780af1bff6bd5331b02e9963db3c2f2aa7 |
| SHA1 hash: | 902f4f7da9a9fb50ed424915b912a24870a9b854 |
| MD5 hash: | 1440e142dcf7f00c6385de1ca910210f |
| humanhash: | purple-romeo-double-nuts |
| File name: | 5df7a18c5674abbab89a53d3398c3398b800b14f8ff08488d89407402325f75a.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 3'085'312 bytes |
| First seen: | 2025-09-15 08:34:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f52a2ec780c5256967378af46472f651 (1 x QuasarRAT) |
| ssdeep | 49152:kBFU0/R6CGaL/lgcdZeFajEOPeVuo6eDNvHYSm4fa5J1+UTSSTLzqIU:kB/LNdXAacOe+ca5J1dJTLzq |
| Threatray | 134 similar samples on MalwareBazaar |
| TLSH | T1EEE5BE5BEA6A51E1C4BED038C152662FFDB034AA8334A7D79B915B4717237E0E93E700 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
96
Origin country :
SEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5df7a18c5674abbab89a53d3398c3398b800b14f8ff08488d89407402325f75a.exe
Verdict:
Malicious activity
Analysis date:
2025-09-14 09:29:38 UTC
Tags:
spectrerat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
91.7%
Tags:
small overt remo
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Searching for synchronization primitives
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Connection attempt to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug base64 explorer fingerprint installer lolbin microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-13T04:23:00Z UTC
Last seen:
2025-09-13T04:23:00Z UTC
Hits:
~10
Detections:
Trojan.MSIL.Donut.sb PDM:Trojan.Win32.Generic Trojan.Win32.Shellcode.sb Trojan.MSIL.Quasar.ezf HackTool.Win64.FreshyCalls.sb Trojan-PSW.MSIL.Agent.sb Trojan.MSIL.Quasar.a HEUR:Trojan-Banker.MSIL.ClipBanker.gen HEUR:Trojan.MSIL.Quasar.gen Backdoor.MSIL.Agent.sb
Verdict:
Malicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Score:
96%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.QUASAR
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-09-13 09:45:31 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
donut_injector
quasarrat
Similar samples:
+ 124 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar spyware stealer trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Reads user/profile data of web browsers
Quasar RAT
Quasar family
Quasar payload
Verdict:
Suspicious
Tags:
Cloudflare_Workers
YARA:
n/a
Unpacked files
SH256 hash:
5df7a18c5674abbab89a53d3398c3398b800b14f8ff08488d89407402325f75a
MD5 hash:
1440e142dcf7f00c6385de1ca910210f
SHA1 hash:
902f4f7da9a9fb50ed424915b912a24870a9b854
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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