MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f568505e20f76187cb566ebe132a5af855b8c5c83c1f33497696798c81d90f50. 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: | f568505e20f76187cb566ebe132a5af855b8c5c83c1f33497696798c81d90f50 |
|---|---|
| SHA3-384 hash: | 068fd30518e7d23325a7f3ce1197c5dd17a0349f0d997814abf72dc5b2158e93e242d56f5fc2cef026f62155e44ab807 |
| SHA1 hash: | 21436cec2a1cadbfd8a26be3bcf8e0e0f9b60b63 |
| MD5 hash: | 7ec98c577459d808a10f6c161f75957a |
| humanhash: | ohio-summer-river-batman |
| File name: | m4.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 485'888 bytes |
| First seen: | 2021-03-13 12:20:02 UTC |
| Last seen: | 2021-03-13 13:39:45 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 6144:I2M2ewzzPZl8l7JsvyxYkBe06zcqTeJq8Dv5bkVPenVl9kJwcdHe2T2nbEIASWir:HzPWsv5m4z3ek8bFVl1cd+Fx1b |
| Threatray | 41 similar samples on MalwareBazaar |
| TLSH | 13A46C0023FC8719E2BF1776D43004254EF6E917BA6AE78D4FA4B4F9ADA27548A10773 |
| Reporter |  r3dbU7z |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
m4.exe
Verdict:
Malicious activity
Analysis date:
2021-03-13 12:22:19 UTC
Tags:
trojan stealer grandsteal evasion rat quasar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending an HTTP GET request
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Creating a window
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Creating a file
Searching for the window
Launching a process
Stealing user critical data
Launching a tool to kill processes
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:
Grandsteal
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Uses known network protocols on non-standard ports
Yara detected Grandsteal
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2021-03-13 12:20:08 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 31 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Checks installed software on the system
Looks up external IP address via web service
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
f568505e20f76187cb566ebe132a5af855b8c5c83c1f33497696798c81d90f50
MD5 hash:
7ec98c577459d808a10f6c161f75957a
SHA1 hash:
21436cec2a1cadbfd8a26be3bcf8e0e0f9b60b63
Detections:
win_grandsteal_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
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: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | Choice_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Cryptocoin_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Steam in files like avemaria |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | IPPort_combo_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Telegram_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Telegram in files like avemaria |
| Rule name: | win_grandsteal_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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