MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd425ba34aa2ac7f31b6c498b09780cd7bacb7d7826cdc119fd6a35e95ee8700. 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: 18


Intelligence 18 IOCs 1 YARA 19 File information Comments

SHA256 hash: cd425ba34aa2ac7f31b6c498b09780cd7bacb7d7826cdc119fd6a35e95ee8700
SHA3-384 hash: f5714273812ff073fbf94f7135d9539aeba6f39aa286fad90214fe0f08486a3c186b49344baeda1043d5b521f78169ee
SHA1 hash: 8dabd536d13a57364812eb9c8d413c50b8788b8e
MD5 hash: edf5ee6173907a5c75650016186ea5a8
humanhash: four-pluto-mountain-fix
File name:edf5ee6173907a5c75650016186ea5a8.exe
Download: download sample
Signature QuasarRAT
File size:514'048 bytes
First seen:2025-06-10 00:20:15 UTC
Last seen:2025-06-10 09:31:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:gTEgdc0YVXAGbgiIN2RSB2nX/mtvURpC5EtqW+yw4WUcEcOb8F9D8B7MnNcTR3e:gTEgdfYJbg2X/Tz4vywIsplc4Ncde
Threatray 1'242 similar samples on MalwareBazaar
TLSH T111B45A8123FCC52BE1AE57BDE8B14421ABF4F407A6A7EB4F4940A1E92C567429D407F3
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
185.244.29.181:1604

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.244.29.181:1604 https://threatfox.abuse.ch/ioc/1543183/

Intelligence


File Origin
# of uploads :
2
# of downloads :
600
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
edf5ee6173907a5c75650016186ea5a8.exe
Verdict:
Malicious activity
Analysis date:
2025-06-10 02:29:46 UTC
Tags:
rat quasar remote evasion

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Setting a keyboard event handler
DNS request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 explorer fingerprint infostealer keylogger lolbin obfuscated obfuscated quasar quasarrat rat reconnaissance remote runonce schtasks stealer stealer vermin
Result
Threat name:
AsyncRAT, Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Installs new ROOT certificates
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Yara detected AsyncRAT
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-06-02 12:50:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:micro spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
185.244.29.181:1604
Verdict:
Malicious
Tags:
rat quasar_rat vermin stealer Win.Malware.Bulz-9823462-0
YARA:
MAL_QuasarRAT_May19_1 Vermin_Keylogger_Jan18_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer
Unpacked files
SH256 hash:
cd425ba34aa2ac7f31b6c498b09780cd7bacb7d7826cdc119fd6a35e95ee8700
MD5 hash:
edf5ee6173907a5c75650016186ea5a8
SHA1 hash:
8dabd536d13a57364812eb9c8d413c50b8788b8e
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: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:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
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:quasarrat
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Author:jeFF0Falltrades
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:win_quasar_rat_client
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information


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

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

Comments