MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6fb60c80bdc9cd558a384b468dc8b8467fb2e02764728e6a0ebc28ca865f31f6. 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: 7
| SHA256 hash: | 6fb60c80bdc9cd558a384b468dc8b8467fb2e02764728e6a0ebc28ca865f31f6 |
|---|---|
| SHA3-384 hash: | f56587e2f95e808579da4736eab963f4a7025b8e0fb661980531a61ddde7278aa8e132844af9311286cfc1f9f5e2a1ad |
| SHA1 hash: | 2f9269bfc05473a6dce71c56d25b37d8b5490bcd |
| MD5 hash: | db0d632b83738dfc64013b9b5b7c339e |
| humanhash: | river-alpha-wisconsin-foxtrot |
| File name: | COVID-19 CDC Secon Outbreak Warning release.scr |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 634'176 bytes |
| First seen: | 2020-11-18 21:00:33 UTC |
| Last seen: | 2020-11-18 23:08:27 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:4pwAe1+dbJ1wD7wBvn7pGxp+46IFBqmzKxBUJXA+:wLe1+dbJ1wQhtg1iBUJXA+ |
| Threatray | 156 similar samples on MalwareBazaar |
| TLSH | 9ED423292F56C501D3964E76CCE1B6B507B0FAE7F6F6E30BB85C66190879BD1090350B |
| Reporter |  Racco42 |
| Tags: | QuasarRAT scr |
Intelligence
File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Creating a window
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Gathering data
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.SmartAssembly
Status:
Malicious
First seen:
2020-11-17 03:18:36 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 146 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar persistence spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Quasar RAT
Unpacked files
SH256 hash:
6fb60c80bdc9cd558a384b468dc8b8467fb2e02764728e6a0ebc28ca865f31f6
MD5 hash:
db0d632b83738dfc64013b9b5b7c339e
SHA1 hash:
2f9269bfc05473a6dce71c56d25b37d8b5490bcd
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
SH256 hash:
f25db0c8717a02fdf153869e93d4ac60b73c3b842cbbd3c0e36a56e0a2a1b215
MD5 hash:
b5300e29afeec1d2bd25a5c750d0d489
SHA1 hash:
bc3d094af9d77f0e475c66243c7542c0252d5721
SH256 hash:
b7b266a86e2f5fc30e32dc4b7733fc53bc1bfd2aa7d0e6f87ccfac1b6ef498a1
MD5 hash:
a2fb76d03b9f22465492046f4723be9f
SHA1 hash:
bd7af913609f515cbe4028256a6a56b30ac8e066
SH256 hash:
1422bbb78c09017452e9c3c1470c330af0c497246c98b37b22cb85d31e5052d6
MD5 hash:
6afc6e6393cde66ca78f1c90aaf2573b
SHA1 hash:
f690eba49f94116683f27344037875f34632da74
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| 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: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| 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: | MSILStealer |
|---|---|
| Author: | https://github.com/hwvs |
| Description: | Detects strings from C#/VB Stealers and QuasarRat |
| Reference: | https://github.com/quasar/QuasarRAT |
| Rule name: | Quasar |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect QuasarRAT in memory |
| 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_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: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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