MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a0f43d8dbeafd898f5711b63275b81c5169e640f90a87977c2ab391418d68f63. 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: | a0f43d8dbeafd898f5711b63275b81c5169e640f90a87977c2ab391418d68f63 |
|---|---|
| SHA3-384 hash: | 43127556b9ae48a1be49fe59d11bc94c0efe64e7fe396f18885aa8f56c2747d2d2eeba3f89d36a2bc998ef3649a614d4 |
| SHA1 hash: | 03481cf3859b605daa57e00951329562a58cf341 |
| MD5 hash: | 745aa9c00401f12a1b1b0ce861671f71 |
| humanhash: | quebec-shade-stream-iowa |
| File name: | a0f43d8dbeafd898f5711b63275b81c5169e640f90a87977c2ab391418d68f63 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 356'352 bytes |
| First seen: | 2020-11-10 10:59:35 UTC |
| Last seen: | 2024-07-24 19:45:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:cx6bPXhLApfpFMFd1z7tubsJIbGbDBELfKCuJwYYRG+:EmhApAF7Xt+GbDyKbJwYY8+ |
| Threatray | 108 similar samples on MalwareBazaar |
| TLSH | FD748C1373E8EA3BD1FD573AE032461947B0D487B616E39B5A5865F92C133868E843B3 |
| Reporter |  seifreed |
| Tags: | QuasarRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the Windows subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Status:
Malicious
First seen:
2020-11-10 11:01:20 UTC
AV detection:
36 of 48 (75.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 98 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar 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 file in System32 directory
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
Quasar RAT
Unpacked files
SH256 hash:
a0f43d8dbeafd898f5711b63275b81c5169e640f90a87977c2ab391418d68f63
MD5 hash:
745aa9c00401f12a1b1b0ce861671f71
SHA1 hash:
03481cf3859b605daa57e00951329562a58cf341
SH256 hash:
3e29cf30afb06c9439f7edc9506441e1bb0f67bcfc440c793aa7cab4b0f9fa48
MD5 hash:
71f70042758baa0faede378b6654bd1f
SHA1 hash:
d4764b7c76f82f224139119b5b103b13c43dcb82
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.
Delivery method
Other
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