MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 52d14c318dd0d66fcba72250ee462f8c633fb9f5c44fd2a21368a1016ae41966. 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: | 52d14c318dd0d66fcba72250ee462f8c633fb9f5c44fd2a21368a1016ae41966 |
|---|---|
| SHA3-384 hash: | 773e57b70ffcdd6940aa6e82354d396d56c2691b0234cf1b8bf36d7f521c6ba194c767b756e983ea22298bbbd06a28fc |
| SHA1 hash: | 49709a2a5f49f94c11669a5ca74bfbc4707408f3 |
| MD5 hash: | 811f46696830ead7b26c5f23b4416939 |
| humanhash: | bravo-beryllium-venus-colorado |
| File name: | 811f46696830ead7b26c5f23b4416939 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 727'040 bytes |
| First seen: | 2021-10-29 22:41:32 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:7yDUw5lIhY2I1OKulGJHiK6SxW72z7Of/zm5DtF4ah/VirZ1rUQ:PQlIhYCZlG0SxPzS3zmHitrDr |
| Threatray | 9 similar samples on MalwareBazaar |
| TLSH | T18CF4BD11279381C9C4F513B80A598391D7217FE0F9E3AB2E794776EAEA722C176503E3 |
| File icon (PE): |  |
| dhash icon | 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
811f46696830ead7b26c5f23b4416939
Verdict:
Malicious activity
Analysis date:
2021-10-29 22:48:30 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Disables user account control notifications
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2021-10-29 18:56:07 UTC
AV detection:
10 of 45 (22.22%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar evasion persistence spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Windows security modification
Executes dropped EXE
Contains code to disable Windows Defender
Modifies Windows Defender Real-time Protection settings
Modifies security service
Quasar Payload
Quasar RAT
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
SH256 hash:
df8873a8fa0f1d25156971ccdfc0f6ac2d40a3a82c301d94ac1b4287cf64b378
MD5 hash:
91e4aa705d141297f36c3d92d1c60176
SHA1 hash:
02799b5d5df62ab0b6fbd817aa8f6c9d42656018
SH256 hash:
12b52e11a607741e2d3f36803efe1c93efae0b1589cb8f9d7d38a86d46cc2434
MD5 hash:
74c151c96623503aa284b96c798bb9e3
SHA1 hash:
3ce0e36400c41c1b5a49c3e54386f0a3a3790729
SH256 hash:
52d14c318dd0d66fcba72250ee462f8c633fb9f5c44fd2a21368a1016ae41966
MD5 hash:
811f46696830ead7b26c5f23b4416939
SHA1 hash:
49709a2a5f49f94c11669a5ca74bfbc4707408f3
Malware family:
xRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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: | CN_disclosed_20180208_KeyLogger_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details |
| Rule name: | CN_disclosed_20180208_KeyLogger_1_RID3227 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details |
| Rule name: | INDICATOR_SUSPICIOUS_ClearWinLogs |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing commands for clearing Windows Event Logs |
| Rule name: | INDICATOR_SUSPICIOUS_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing artifcats associated with disabling Widnows Defender |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features |
| Rule name: | INDICATOR_SUSPICIOUS_GENInfoStealer |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing common artifcats observed in infostealers |
| Rule name: | MALWARE_Win_QuasarRAT |
|---|---|
| Author: | ditekSHen |
| Description: | QuasarRAT payload |
| Rule name: | MAL_QuasarRAT_May19_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | MAL_QuasarRAT_May19_1_RID2E1E |
|---|---|
| Author: | Florian Roth |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Quasar |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect QuasarRAT in memory |
| Rule name: | Quasar_RAT_2 |
|---|---|
| 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_2_RID2B55 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| Rule name: | RDPWrap |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies RDP Wrapper, sometimes used by attackers to maintain persistence. |
| Reference: | https://github.com/stascorp/rdpwrap |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Vermin_Keylogger_Jan18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Vermin Keylogger |
| Reference: | https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/ |
| Rule name: | xRAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Patchwork malware |
| Reference: | https://goo.gl/Pg3P4W |
| Rule name: | xRAT_1_RID2900 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Patchwork malware |
| Reference: | https://goo.gl/Pg3P4W |
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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