MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adc6f220d24d49f4ba663643fa8139f2c24058c1d0441ef336c31e9b2480c689. 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: 19


Intelligence 19 IOCs YARA 33 File information Comments

SHA256 hash: adc6f220d24d49f4ba663643fa8139f2c24058c1d0441ef336c31e9b2480c689
SHA3-384 hash: 407fcbb7a1c8d00bc531304bf42f5aa5bdb4361f44d452d1def6e853abe7529a1a9091cf50b0a780b7eabdd192b3874d
SHA1 hash: fdad18d67d46771bd6496f2d3e2b8d414b4d94fa
MD5 hash: aae07edd0ecc7ce6108afb241d59fa13
humanhash: nine-bluebird-illinois-nine
File name:Client.exe
Download: download sample
Signature QuasarRAT
File size:385'036 bytes
First seen:2025-11-23 00:04:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'863 x AgentTesla, 19'795 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 6144:pFJbqQ4i1FFiEK2Nh79oKrStG2KbzgwuWl7uHTBbAsu:Fpliw9oKGrIIqqzB8su
Threatray 746 similar samples on MalwareBazaar
TLSH T15A847B1373A4E63BD1FD5736A43205190BB19406BA17FB8F9A589AFD2D923868D403B3
TrID 46.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
19.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.6% (.EXE) Win64 Executable (generic) (10522/11/4)
4.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
dhash icon e0d0ccecececd0e0 (2 x QuasarRAT)
Reporter Hexastrike
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Client.exe
Verdict:
Malicious activity
Analysis date:
2025-11-23 00:51:48 UTC
Tags:
quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dropper quasar virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 byteguard fingerprint infostealer keylogger lolbin obfuscated obfuscated packed quasar quasarrat rat reconnaissance runonce stealer vbnet vermin xrat
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-14T00:03:00Z UTC
Last seen:
2025-11-14T08:33:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Generic Trojan-Spy.MSIL.Downeks.sb Trojan-PSW.MSIL.Virinom.sb HEUR:Trojan-Spy.MSIL.Downeks.gen HEUR:Trojan.MSIL.Quasar.gen Trojan.MSIL.Quasar.b Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.sb Trojan.MSIL.Quasar.a Trojan.MSIL.Agent.foww
Gathering data
Verdict:
QuasarRat
YARA:
16 match(es)
Tags:
.Net Executable Malicious Managed .NET PE (Portable Executable) PE Memory-Mapped (Dump) QuasarRat RAT
Malware Config
C2 Extraction:
PORT: 44
CNC: ef590o1ari-44145.portmap.host
PORT: 44
CNC: ef590o1ari-44145.portmap.host
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-11-14 04:57:27 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:ik=h discovery
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Malware Config
C2 Extraction:
ef590o1ari-44145.portmap.host:44145
Verdict:
Malicious
Tags:
rat quasar_rat vermin Win.Packed.Generic-9829635-0
YARA:
JPCERTCC_Quasar MALWARE_Win_QuasarRAT MAL_QuasarRAT_May19_1 Quasar_RAT_1 Quasar_RAT_2 Vermin_Keylogger_Jan18_1 Windows_Trojan_Quasarrat_e52df647 malware_Quasar_strings malware_windows_quasarrat win_quasar_rat_client
Unpacked files
SH256 hash:
adc6f220d24d49f4ba663643fa8139f2c24058c1d0441ef336c31e9b2480c689
MD5 hash:
aae07edd0ecc7ce6108afb241d59fa13
SHA1 hash:
fdad18d67d46771bd6496f2d3e2b8d414b4d94fa
Detections:
QuasarRAT
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 (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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:malware_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
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
Description:Detects QuasarRAT malware
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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Quasar
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:quasarrat
Author:jeFF0Falltrades
Rule name:QuasarRAT
Author:ditekshen
Description:QuasarRAT payload
Rule name:quasarrat_kingrat
Author:jeFF0Falltrades
Rule name:Quasar_RAT_1
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
Author:@SOCRadar
Description:Detects Quasar RAT
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 (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
Description:Detects Quasar RAT
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:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Vermin_Keylogger_Jan18_1
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
Author:Elastic Security
Rule name:win_quasar_rat_client
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.
Rule name:xRAT_1
Author:Florian Roth (Nextron Systems)
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.

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