MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57d232a7ac403bd7e30412198520fc951f9e102337fe195efdd10954970b0432. 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: 13


Intelligence 13 IOCs YARA 17 File information Comments

SHA256 hash: 57d232a7ac403bd7e30412198520fc951f9e102337fe195efdd10954970b0432
SHA3-384 hash: b773b290b96da005e9739690a17592439035b9a132ddcc30d67ed4dba74d7f71dd8b7e23fe69af6280feef74aef12756
SHA1 hash: 0a222c68636bd18515b17f6d51f878f52f2bc958
MD5 hash: 032897b67f550be38f379dd5ab5dd4ac
humanhash: bacon-cardinal-eighteen-tennessee
File name:57d232a7ac403bd7e30412198520fc951f9e102337fe195efdd10954970b0432
Download: download sample
Signature QuasarRAT
File size:355'840 bytes
First seen:2021-09-30 12:16:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:XDLDaXI0DjTrHocu5tPvbAExcKSScMgdEvVpHHJr3bS8VOM+NNkBndT:z30DjTrHocu5tPvbAEqKHgdwHHNnOMOq
Threatray 234 similar samples on MalwareBazaar
TLSH T1FB748B1037A4CA3BD9BE1B3BE43205153BB4E503B666E74F5A6895B83D133E28D513A3
Reporter JAMESWT_WT
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
57d232a7ac403bd7e30412198520fc951f9e102337fe195efdd10954970b0432
Verdict:
Malicious activity
Analysis date:
2021-09-30 22:42:34 UTC
Tags:
rat quasar evasion trojan

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

Behaviour
Using the Windows Management Instrumentation requests
Launching a service
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Connection attempt to an infection source
Query of malicious DNS domain
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 domain / URL
Multi AV Scanner detection for submitted file
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2021-09-28 20:22:00 UTC
AV detection:
36 of 45 (80.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Quasar RAT
Malware Config
C2 Extraction:
lapoire3.hopto.org:3030
Unpacked files
SH256 hash:
57d232a7ac403bd7e30412198520fc951f9e102337fe195efdd10954970b0432
MD5 hash:
032897b67f550be38f379dd5ab5dd4ac
SHA1 hash:
0a222c68636bd18515b17f6d51f878f52f2bc958
Malware family:
QuasarRAT
Verdict:
Malicious
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: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_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_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_1_RID2B54
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: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: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.

Comments