MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98844e610a8d1e4800f8aee8d8464acc12d50f19c4025ffbf1759a899b5d66c4. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments
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SHA256 hash: 98844e610a8d1e4800f8aee8d8464acc12d50f19c4025ffbf1759a899b5d66c4
SHA3-384 hash: 7ae6a323e48be5a3442541b501658581f07198bc6ca3a36a2a803b9e50cf0a2be374b17a0f99dc2c71adb56d417b47fe
SHA1 hash: ed41d9d50c9e8bd4b8af304bb2b5ce6c64b9213b
MD5 hash: 7700f9bf0e03d5be94bb8f40e136a3e8
humanhash: twelve-oranges-princess-whiskey
File name:qpmf76a7t6.ps1
Download: download sample
Signature QuasarRAT
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File size:458'708 bytes
First seen:2023-11-07 15:28:14 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 6144:FKw5pDSIAk1n984AAEy+k7YL1e+S/Oi47ZzqJZp:FNp+IlnW4/tK1vS/Oi47ZmJZp
TLSH T11AA48189870BE25F186F20BFFD4A4D6313C81E2AD9FD958693D8401D12FE26E69D058F
Reporter pr0xylife
Tags:ps1 QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PwrSh.Dropper-AO.14991.29252.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/654a57bf993fbf888b6861c1/reports/d4c8c657-fc4d-4a17-82ef-fff1ff0e204c/overview
Verdict:
Malicious
Labled as:
PowerShell/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/98844e610a8d1e4800f8aee8d8464acc12d50f19c4025ffbf1759a899b5d66c4
Result
Verdict:
MALICIOUS
Result
Threat name:
Quasar
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1338324
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
Drops VBS files to the startup folder
Found malware configuration
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 dropped file
Malicious sample detected (through community Yara rule)
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected RUNPE
Behaviour
Behavior Graph:
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behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1338324 Sample: qpmf76a7t6.ps1 Startdate: 07/11/2023 Architecture: WINDOWS Score: 100 56 nathwood23.mysynology.net 2->56 58 ip-api.com 2->58 72 Snort IDS alert for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 10 other signatures 2->78 9 powershell.exe 25 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 50 C:\Users\user\...\SystemAutoRunner.vbs, ASCII 9->50 dropped 52 C:\Users\user\AppData\...\efjxkicp.cmdline, Unicode 9->52 dropped 80 Drops VBS files to the startup folder 9->80 82 Writes to foreign memory regions 9->82 84 Compiles code for process injection (via .Net compiler) 9->84 86 Injects a PE file into a foreign processes 9->86 15 AppLaunch.exe 15 6 9->15         started        19 csc.exe 3 9->19         started        22 conhost.exe 9->22         started        88 Wscript starts Powershell (via cmd or directly) 13->88 90 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->90 24 powershell.exe 21 13->24         started        signatures6 process7 dnsIp8 60 nathwood23.mysynology.net 91.92.241.28, 49701, 6750 THEZONEBG Bulgaria 15->60 62 ip-api.com 208.95.112.1, 49700, 80 TUT-ASUS United States 15->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->64 66 Installs a global keyboard hook 15->66 26 cmd.exe 15->26         started        46 C:\Users\user\AppData\Local\...\efjxkicp.dll, PE32 19->46 dropped 29 cvtres.exe 1 19->29         started        48 C:\Users\user\AppData\Local\...\qdvohez4.0.cs, C++ 24->48 dropped 68 Writes to foreign memory regions 24->68 70 Injects a PE file into a foreign processes 24->70 31 csc.exe 3 24->31         started        34 conhost.exe 24->34         started        36 AppLaunch.exe 24->36         started        file9 signatures10 process11 file12 92 Uses ping.exe to sleep 26->92 94 Uses ping.exe to check the status of other devices and networks 26->94 38 conhost.exe 26->38         started        40 chcp.com 26->40         started        42 PING.EXE 26->42         started        54 C:\Users\user\AppData\Local\...\qdvohez4.dll, PE32 31->54 dropped 44 cvtres.exe 31->44         started        signatures13 process14
Score:
97%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/98844e610a8d1e4800f8aee8d8464acc12d50f19c4025ffbf1759a899b5d66c4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/98844e610a8d1e4800f8aee8d8464acc12d50f19c4025ffbf1759a899b5d66c4/
Threat name:
Script-PowerShell.Trojan.PShell
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Status:
Malicious
First seen:
2023-11-07 15:29:05 UTC
File Type:
Text (FORTRAN)
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tcce4yikrupeqahyv3unqrskzqjnkdyzyqbf767rownitg25m3ca._file
Verdict:
unknown
Result
Malware family:
quasar
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Score:
  10/10
Tags:
family:quasar botnet:dynu_ios spyware trojan
Link:
https://tria.ge/reports/231107-swwphsbb2y/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
nathwood23.mysynology.net:6750
Malware family:
QuasarRAT
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/98844e610a8d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/98844e610a8d1e4800f8aee8d8464acc12d50f19c4025ffbf1759a899b5d66c4

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
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Author:Florian Roth (Nextron Systems)
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
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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_EXE_NoneWindowsUA
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Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
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Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Quasar_strings
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Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
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Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
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Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
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Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:Multifamily_RAT_Detection
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Quasar_RAT_1
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Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1_RID2B54
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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
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Description:Detects Quasar RAT
Rule name:Quasar_RAT_2_RID2B55
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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
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Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
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Author:Florian Roth (Nextron Systems)
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:Windows_Trojan_Quasarrat_e52df647
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Author:Elastic Security
Rule name:xRAT_1
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Author:Florian Roth (Nextron Systems)
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
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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.

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