🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acb54edce764ff6ee46bf23fcd7b0eb7347373bb9f9009f32e9da1cddb6b4621. 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: 17


Intelligence 17 IOCs 1 YARA 44 File information Comments

SHA256 hash: acb54edce764ff6ee46bf23fcd7b0eb7347373bb9f9009f32e9da1cddb6b4621
SHA3-384 hash: a4d3192b83acbc4c6490f4599c955935ddd5f59c0f9106a62f241a121469ce120472fa1069358bbaee6122c1b24d2b66
SHA1 hash: 63aa9a7a28ec66eb482778c82f5c76437eb3931d
MD5 hash: 13d1b5bcc807f84aa8ebd6f69a1013ac
humanhash: network-fourteen-lion-arizona
File name:13d1b5bcc807f84aa8ebd6f69a1013ac.exe
Download: download sample
Signature QuasarRAT
File size:12'153'552 bytes
First seen:2026-09-07 18:55:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f0ea7b7844bbc5bfa9bb32efdcea957c (149 x Vidar, 68 x Sliver, 35 x RemusStealer)
ssdeep 196608:v7uoCQEs9MQDNyUSv96nWFwK+9l46oWF5086VY:qLQxJjka19L88A
TLSH T1C2C6E0837D8692B4D6AAC332D4621194B6207C8C6B7033DB2D45FAB52D237D82FB9F54
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
178.16.54.229:4782

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
178.16.54.229:4782 https://threatfox.abuse.ch/ioc/1885994/

Intelligence


File Origin
# of uploads :
1
# of downloads :
157
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-07 19:07:55 UTC
Tags:
auto-startup evasion rat quasar remote ip-check golang etherhiding

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

Behaviour
Creating a file
Creating a window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Launching a service
Sending an HTTP GET request
Connecting to a non-recommended domain
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending an HTTP POST request
Reading critical registry keys
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 crypto golang overlay packed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-09-03T08:47:00Z UTC
Last seen:
2026-09-08T19:23:00Z UTC
Hits:
~100
Result
Threat name:
Quasar, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Connects to many ports of the same IP (likely port scanning)
Creates a thread in another existing process (thread injection)
Creates encrypted zip
Deletes shadow drive data (may be related to ransomware)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries DNS domain through GetComputerNameExW (potential sandbox evasion)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Quasar RAT
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1969500 Sample: b9xOvL9KTQ.exe Startdate: 07/09/2026 Architecture: WINDOWS Score: 100 42 rpc.nodeflare.app 2->42 44 one.valve.city 2->44 46 8 other IPs or domains 2->46 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 7 other signatures 2->68 9 b9xOvL9KTQ.exe 14 7 2->9         started        14 b9xOvL9KTQ.exe 4 2->14         started        signatures3 process4 dnsIp5 48 178.16.54.229, 4782, 49713, 49727 OMEGATECH-ASSC Netherlands 9->48 50 185.44.207.191 FORNEX-ASES Germany 9->50 52 7 other IPs or domains 9->52 32 C:\Users\user\AppData\...\b9xOvL9KTQ.exe, PE32+ 9->32 dropped 34 C:\Users\user\AppData\Local\Temp\office.exe, PE32+ 9->34 dropped 72 Found many strings related to Crypto-Wallets (likely being stolen) 9->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->74 76 Installs a global keyboard hook 9->76 16 office.exe 4 9->16         started        36 C:\Users\user\AppData\...\b9xOvL9KTQ.exe.log, CSV 14->36 dropped 78 Multi AV Scanner detection for dropped file 14->78 file6 signatures7 process8 dnsIp9 38 ip-api.com 208.95.112.1, 49726, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 16->38 40 api.ipify.org 104.26.12.205, 49725, 80 CLOUDFLARENET-CloudflareIncUS Canada 16->40 30 C:\Users\...\filegrabber_4373812_p1.zip.enc, data 16->30 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->54 56 Found many strings related to Crypto-Wallets (likely being stolen) 16->56 58 Deletes shadow drive data (may be related to ransomware) 16->58 60 9 other signatures 16->60 21 cmd.exe 1 16->21         started        23 chrome.exe 1 16->23         started        file10 signatures11 process12 process13 25 conhost.exe 21->25         started        28 timeout.exe 1 21->28         started        signatures14 70 Installs a global keyboard hook 25->70
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2026-09-04 18:09:57 UTC
File Type:
PE+ (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:fuck2 collection discovery execution persistence privilege_escalation spyware stealer trojan
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
Browser Information Discovery
Enumerates physical storage devices
Executes a command shell one-liner
Accesses Microsoft Outlook profiles
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Creates a file in the Startup directory
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Family: Quasar RAT
Quasar payload
Unpacked files
SH256 hash:
acb54edce764ff6ee46bf23fcd7b0eb7347373bb9f9009f32e9da1cddb6b4621
MD5 hash:
13d1b5bcc807f84aa8ebd6f69a1013ac
SHA1 hash:
63aa9a7a28ec66eb482778c82f5c76437eb3931d
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:Check_OutputDebugStringA_iat
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:grakate_stealer_nov_2021
Rule name:Heuristics_ChromeABE
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:HKTL_Meterpreter_inMemory
Author:netbiosX, Florian Roth
Description:Detects Meterpreter in-memory
Reference:https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:kleptoparasite
Author:jarcher
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:ReflectiveLoader
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:RemusStealer_GoPayload
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
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:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:WIN_SHADOW_UNPACKED

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments