MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4. 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: 20


Intelligence 20 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4
SHA3-384 hash: 005fc703d54d8242a4e144c1482f3c5e76315d3f0fb8cac028ab06f7443a524e2409f4c62c8ca2341e954e5eea744f2f
SHA1 hash: 66c8734f3a6db32d1ab5b1ba5c3fc097423314fa
MD5 hash: f605752fad4e292cf6b1073e3ab590ee
humanhash: mike-angel-romeo-mexico
File name:173864910300ba5ea72ec8f5a382f0e371374c0f6fc44a89ca98412290dd6f76f8b6303adb572.dat-decoded
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2025-02-04 06:05:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 6144:4XNHXf500MYYSzKEQbcPKHeXMuvQK/ZzJzz7O:Gd504n1RvQKxtznO
TLSH T1C0748C5773A8E93BD1BE173AF43246054BB5E403B712F38B5A6845B86D233868D523B3
TrID 40.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
31.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
9.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.7% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter abuse_ch
Tags:base64-decoded exe QuasarRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
479
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
173864910300ba5ea72ec8f5a382f0e371374c0f6fc44a89ca98412290dd6f76f8b6303adb572.dat-decoded
Verdict:
Malicious activity
Analysis date:
2025-02-04 06:16:31 UTC
Tags:
evasion quasar rat remote
Link:
https://app.any.run/tasks/df30e924-5962-43f0-9154-a194296904d9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Generic-9829635-0
Create hunting rule

Win.Trojan.Generic-9829636-0
Create hunting rule

Win.Packed.Generic-9830106-0
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Win.Packed.QuasarRAT-10012744-0
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Win.Trojan.Generic-6295765-0
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Win.Malware.Generic-6623004-0
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a1af4e2dcee78dd81949e6
Tags:
dropper quasar word remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint infostealer keylogger lolbin obfuscated obfuscated obfuscated quasar quasarrat rat runonce schtasks stealer stealer vbnet vermin xrat
Link:
https://www.filescan.io/uploads/67a1ae1e6c662328c4a983c9/reports/ec9fa96c-5ffc-4801-ba64-4bf5beae60d2/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c5523215-4760-49c2-8786-403f2573feb1
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1606236
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected Quasar RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-02-04 06:05:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjknavvo3izjjolegr4ux7agerxu3ccyk5z3bwr73unoxwxibwsa._file
Verdict:
malicious
Label(s):
venomrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:server discovery spyware trojan
Link:
https://tria.ge/reports/250204-gttllazjdl/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Quasar payload
Quasar RAT
Quasar family
Malware Config
C2 Extraction:
qjas.duckdns.org:55950
Verdict:
Malicious
Tags:
rat quasar_rat vermin vermin Win.Packed.Generic-9829635-0 external_ip_lookup azorult voidrat qasar_rat
YARA:
malware_windows_quasarrat malware_Quasar_strings win_quasar_rat_client MALWARE_Win_QuasarRAT JPCERTCC_Quasar Quasar_RAT_1 MAL_QuasarRAT_May19_1
Link:
https://app.threat.zone/submission/f774fb75-d9d7-4b77-9783-71a17c29c31b
Unpacked files
SH256 hash:
8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4
MD5 hash:
f605752fad4e292cf6b1073e3ab590ee
SHA1 hash:
66c8734f3a6db32d1ab5b1ba5c3fc097423314fa
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/ef8ccb30-f998-49e7-b320-0b4394ec045d/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a54d056aeda/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/8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4

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
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:malware_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
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
Create hunting rule
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:QuasarRAT
Create hunting rule
Author:ditekshen
Description:QuasarRAT payload
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1
Create hunting rule
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1_RID2B54
Create hunting rule
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
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Create hunting rule
Description:Detects Quasar RAT
Rule name:Quasar_RAT_2_RID2B55
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
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
Create hunting rule
Author:Elastic Security
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Create hunting rule
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.

00ba5ea72ec8f5a382f0e371374c0f6fc44a89ca98412290dd6f76f8b6303adb

QuasarRAT

Executable exe 8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4

(this sample)

  
Dropped by
SHA256 00ba5ea72ec8f5a382f0e371374c0f6fc44a89ca98412290dd6f76f8b6303adb
  
Dropped by
MD5 de2e642c0ca27e4e1c7895601ce47fc2
  
URLhaus
https://urlhaus.abuse.ch/url/3427298/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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