MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ba75d386a2f4e7a3d02668868b7d5a62c415dd7155dded8f3e0d7bc10243a340. 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: 11
| SHA256 hash: | ba75d386a2f4e7a3d02668868b7d5a62c415dd7155dded8f3e0d7bc10243a340 |
|---|---|
| SHA3-384 hash: | 565d70d68d6462d81a2a9c45f0629f74373b14b391fed564bee505384f5129f31514e5c71224dcb87f3c3fbe3ff4b833 |
| SHA1 hash: | 180f8c762598721cd6fb2cf928917d3038bc2a7a |
| MD5 hash: | f639085c8eb5ce16ac481cf41c28fcd5 |
| humanhash: | mexico-summer-nebraska-comet |
| File name: | f639085c8eb5ce16ac481cf41c28fcd5 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 11'601'920 bytes |
| First seen: | 2022-07-23 16:58:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 196608:2IKsavnxlGZ6TgWbI4+xz1Fz2YEYMeXewQ5V91xqRmO+F:hKsavXpTgWbI42z1EeXFQ5V91QmO0 |
| TLSH | T15AC6330637D8E233E1FDA337E07306100BB1B056BA4AE79B5E99587D1D367468A123B7 |
| TrID | 59.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.6% (.EXE) Win64 Executable (generic) (10523/12/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
491
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://102.37.220.234/htdocs/mykcy.exe
Verdict:
No threats detected
Analysis date:
2022-07-24 15:10:46 UTC
Tags:
opendir loader
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
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Connecting to a non-recommended domain
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
75%
Tags:
anti-vm fingerprint greyware keylogger packed quasar rat shell32.dll stealer stealer
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
Verdict:
Malicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Detection:
quasar
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-07-22 14:02:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 26 (92.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Gathering data
Unpacked files
SH256 hash:
ba75d386a2f4e7a3d02668868b7d5a62c415dd7155dded8f3e0d7bc10243a340
MD5 hash:
f639085c8eb5ce16ac481cf41c28fcd5
SHA1 hash:
180f8c762598721cd6fb2cf928917d3038bc2a7a
Malware family:
xRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_GENInfoStealer |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing common artifcats observed in infostealers |
| Rule name: | malware_Quasar_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect QuasarRAT in memory |
| Rule name: | MALWARE_Win_QuasarRAT |
|---|---|
| Author: | ditekSHen |
| Description: | QuasarRAT payload |
| Rule name: | pe_imphash |
|---|
| Rule name: | Quasar_RAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| Rule name: | Quasar_RAT_1_RID2B54 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| 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.
Web download
Delivery method
Distributed via web download
Comments
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