MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 04a908a9e407549cb834e945f0afb49da90f7581bda7e2d2cd3871a55997d53b. 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: 5
| SHA256 hash: | 04a908a9e407549cb834e945f0afb49da90f7581bda7e2d2cd3871a55997d53b |
|---|---|
| SHA3-384 hash: | 66fa6585d4065b46a4eb1ddf65fa87766ed5b781ef39efb71df0bcf2b3708d68b4d4e75d56dd5b9fd62571013fde5853 |
| SHA1 hash: | 4ccf31c0954dce97c385eeda0c4ff726a5cd696c |
| MD5 hash: | d812fe377e3818a3e95d9e594816eefd |
| humanhash: | coffee-green-leopard-alabama |
| File name: | SecuriteInfo.com.MSIL.Kryptik.VQE.8354 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 602'112 bytes |
| First seen: | 2020-05-05 14:53:03 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:ED5TmrUcxUn4FSaHoYkIT9dMO44PZad/YFhDBiJeIRW:sjcK4TIYki9dMO/DBihR |
| Threatray | 90 similar samples on MalwareBazaar |
| TLSH | E3D4D08B71CCA5DFC04A4A799E64FE2C65056D32812B4E527C93FA6E897D0438AF347C |
| Reporter |  SecuriteInfoCom |
| Tags: | QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-05-05 12:15:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 31 (77.42%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 80 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar persistence rezer0 spyware trojan
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops autorun.inf file
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
rezer0
Quasar RAT
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: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| 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: | 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: | 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: | win_blackshades_w0 |
|---|---|
| Author: | Jean-Philippe Teissier / @Jipe_ |
| 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.
Web download
Delivery method
Distributed via web download
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