MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a98fb020ed1b1b79495423933331d152b65d0db7947e403bdebe41f999540e6d. 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: 10


Intelligence 10 IOCs YARA 13 File information Comments

SHA256 hash: a98fb020ed1b1b79495423933331d152b65d0db7947e403bdebe41f999540e6d
SHA3-384 hash: 588347a849c5c882bbb9af9da573de5cafb1b29fce92fe161b5ef45354ffb6853bca2ec9c456c5273807d756db2f115d
SHA1 hash: 2c66db4ab0a796fc4953bc5f496cb2ae904d3656
MD5 hash: d17b424e6865ccfc1f790313c85347e2
humanhash: carpet-connecticut-saturn-lamp
File name:d17b424e6865ccfc1f790313c85347e2.exe
Download: download sample
Signature QuasarRAT
File size:371'712 bytes
First seen:2021-01-06 18:43:32 UTC
Last seen:2021-01-06 21:37:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:b2b+8xfWxoKtSelAMnw4tF8GM8paEfwcN5XqzWC7pTm2su3:bKf2VSr0+G3pScN5tCvso
Threatray 163 similar samples on MalwareBazaar
TLSH FD84F1429F90C142FD2F2D7C529DFC0ED3B1107D5B09F88E136899AD59CB242B4F5AAA
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d17b424e6865ccfc1f790313c85347e2.exe
Verdict:
Malicious activity
Analysis date:
2021-01-06 18:44:51 UTC
Tags:
evasion trojan rat quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Sending a UDP request
Connection attempt to an infection source
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.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)
Injects a PE file into a foreign processes
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 submitted file
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-01-05 03:09:00 UTC
AV detection:
30 of 46 (65.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Unpacked files
SH256 hash:
a98fb020ed1b1b79495423933331d152b65d0db7947e403bdebe41f999540e6d
MD5 hash:
d17b424e6865ccfc1f790313c85347e2
SHA1 hash:
2c66db4ab0a796fc4953bc5f496cb2ae904d3656
SH256 hash:
d003dce94fab99fe6244fc4add20fd410070fe1dae023d1d4484b4140280bd69
MD5 hash:
a3dcf3e8b8114e1fb0b33bdea6522071
SHA1 hash:
187aaba4665f8a7bc415ead4a9df0c17a2f8385e
SH256 hash:
325f7067648ad311eeeaabd7cb4336bd9eb887031267bc416de02d5439305154
MD5 hash:
4b559936315e30e7374f29153aed4d65
SHA1 hash:
ff2dcb741103e483776afc5c91e9a81671dd65ce
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:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
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: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.

Web download

QuasarRAT

Executable exe a98fb020ed1b1b79495423933331d152b65d0db7947e403bdebe41f999540e6d

(this sample)

  
Delivery method
Distributed via web download

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