MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6de60e8731fc16cf91a5efb445e46b44f8cd722989674bfe204fdb92fd60ba74. 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: 10
| SHA256 hash: | 6de60e8731fc16cf91a5efb445e46b44f8cd722989674bfe204fdb92fd60ba74 |
|---|---|
| SHA3-384 hash: | 368aa704efa48317f8bc3e8a40459711c6e2e7cd44829e426c419ac236dbacc4de11e74cbbc1af6938a2ce8e89520281 |
| SHA1 hash: | f2dd72c4e75c6937f49f36c6bbb2b62d4431ad71 |
| MD5 hash: | f84df3f28f5760a39e898eb979bdaf63 |
| humanhash: | black-triple-double-lake |
| File name: | VT7s7Op.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 1'761'792 bytes |
| First seen: | 2025-07-12 19:23:01 UTC |
| Last seen: | 2025-07-12 21:34:05 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3d8ee5cd377188c75edd0b6933b4680f (1 x QuasarRAT, 1 x CoinMiner) |
| ssdeep | 24576:9odEdMMM4uNA2uDaEnck5Rdw4A/VxcbQt8KrfypKGl85m8XqIfdc:9cvMKYTckG4Anckt8ofKKgfcqI |
| Threatray | 103 similar samples on MalwareBazaar |
| TLSH | T1DD853373F733495CE1529EFD1F839999497B0F774864DE3A8964CA30B00D5890EBAE28 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
3
# of downloads :
22
Origin country :
SEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VT7s7Op.exe
Verdict:
Suspicious activity
Analysis date:
2025-07-12 19:40:45 UTC
Tags:
auto-reg evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Clean
Score:
89.1%
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Suspicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2025-07-12 19:23:27 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
quasarrat
donut_injector
Similar samples:
+ 93 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:donutloader family:quasar defense_evasion discovery execution loader persistence privilege_escalation spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detects DonutLoader
DonutLoader
Donutloader family
Quasar RAT
Quasar family
Quasar payload
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6de60e8731fc16cf91a5efb445e46b44f8cd722989674bfe204fdb92fd60ba74
MD5 hash:
f84df3f28f5760a39e898eb979bdaf63
SHA1 hash:
f2dd72c4e75c6937f49f36c6bbb2b62d4431ad71
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
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: | 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.
Web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegSetValueExA |
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