MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f350361892bcb6a2a60acc48b95c31790162516a3d58ba08c2474165f918face. 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: 14
| SHA256 hash: | f350361892bcb6a2a60acc48b95c31790162516a3d58ba08c2474165f918face |
|---|---|
| SHA3-384 hash: | 1e906ddc0395a1d568c302abbd1cf504c2a5e9ff9709a266078021175854aab74f9c44d74f839cca5579533159ec5b6b |
| SHA1 hash: | 472e7f9833c23a16765b10dad30fde90a1f7d759 |
| MD5 hash: | 1cf1421522589eb224737b65c03efe45 |
| humanhash: | quiet-maryland-mobile-lactose |
| File name: | Stager.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 8'192 bytes |
| First seen: | 2025-04-18 16:44:13 UTC |
| Last seen: | 2025-04-18 18:06:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 96:ARR3d9Kve7Op0uSbgbgj2d3Xa6N+uxZVHVfIhx5UI1JlOLtlUnBrFafzNt:Cz/7OuuS8Mj2ZXa8hVghFlOLXUnxcJ |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | T175F10701EBD44336E9BA4B71B8B34352A630FB44E4378F1E159D634B2E6335609A3776 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  juroots |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
417
Origin country :
CHVendor Threat Intelligence
Malware family:
quasar
ID:
1
File name:
Stager.exe
Verdict:
Malicious activity
Analysis date:
2025-04-18 18:00:06 UTC
Tags:
rat quasar remote loader evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
92.5%
Tags:
extens trojan remo
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm evasive expand explorer infostealer keylogger lolbin obfuscated obfuscated quasarrat rat reconnaissance remote runonce stealer stealer
Verdict:
Malicious
Labled as:
Bulz.Generic
Verdict:
Unknown
Result
Threat name:
AsyncRAT, Quasar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected AsyncRAT
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Score:
94%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-04-18 14:08:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 38 (71.05%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
quasarrat
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f350361892bcb6a2a60acc48b95c31790162516a3d58ba08c2474165f918face
MD5 hash:
1cf1421522589eb224737b65c03efe45
SHA1 hash:
472e7f9833c23a16765b10dad30fde90a1f7d759
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
0.90
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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 |
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