MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52456d908d99b33a3dfc07c2e17a4e2dff6e9488bb0f36fe2e240a3d24ba00b2. 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 25 File information Comments

SHA256 hash: 52456d908d99b33a3dfc07c2e17a4e2dff6e9488bb0f36fe2e240a3d24ba00b2
SHA3-384 hash: 318b2e6b11907e8cd5fb2fec4a818fd8efb2d64c2d33decdc2eb96063a18f937ffd1a8aebbf51b280879b2153f01df95
SHA1 hash: 7b70104c2cd29a5eae6db8c58972fc9f49cfe324
MD5 hash: 11806b44f7acbe619c1c7e0a48e758d5
humanhash: lemon-yankee-washington-bakerloo
File name:file
Download: download sample
Signature QuasarRAT
File size:878'592 bytes
First seen:2025-10-12 04:04:22 UTC
Last seen:2025-10-12 04:08:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:EbSn/KgsCfBQyg7oZisqtksOtgg+WLyDrQ9/7WxdtbiqCr8Ao4oBgoV+:Ebg7WyclOoWLuyWf1wloS
Threatray 70 similar samples on MalwareBazaar
TLSH T1B915CF5073F99207E1BF6BB5A4B209060B77F9529536D79E08C8A0AD0EE3791CE503B7
TrID 62.2% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
25.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
3.6% (.EXE) Win64 Executable (generic) (10522/11/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe QuasarRAT


Avatar
Bitsight
url: http://178.16.55.189/files/5089917904/xCTcIiB.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
162
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
_5f29a44082777948c77009b37df18b6a8f16233115bc0efc269db93b73955c39.exe
Verdict:
Malicious activity
Analysis date:
2025-10-12 02:46:26 UTC
Tags:
auto amadey botnet stealer redline loader vidar themida unlocker-eject tool generic rdp arch-exec gcleaner darkvision remote evasion telegram github banker grandoreiro stealc miner pastebin anti-evasion winring0-sys vuln-driver ms-smartcard xworm rustystealer purecrypter autoit phishing silentcryptominer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
quasar micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Connection attempt
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm cmd explorer hacktool lolbin obfuscated obfuscated packed packed packer_detected remote runonce threat update
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-12T00:08:00Z UTC
Last seen:
2025-10-14T00:05:00Z UTC
Hits:
~100
Detections:
Backdoor.MSIL.Crysan.d Trojan-PSW.MSIL.Agent.sb Trojan.MSIL.Quasar.feq Trojan.MSIL.Quasar.a HEUR:Trojan-Banker.MSIL.ClipBanker.gen
Verdict:
QuasarRat
YARA:
15 match(es)
Tags:
.Net Executable Fody/Costura Packer Html Malicious Managed .NET PDB Path PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.14 SOS: 0.15 SOS: 0.17 SOS: 0.18 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.64 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Hacktool.Aikaantivm
Status:
Malicious
First seen:
2025-10-12 02:37:33 UTC
AV detection:
25 of 38 (65.79%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar spyware trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Quasar RAT
Quasar family
Quasar payload
Verdict:
Malicious
Tags:
red_team_tool rat quasar_rat backdoor backnet Win.Malware.Generic-9883083-0
YARA:
HKTL_EXE_AlKhaser_Jul_01 MAL_QuasarRAT_May19_1 malware_windows_quasarrat MAL_BackNet_Nov18_1
Unpacked files
SH256 hash:
52456d908d99b33a3dfc07c2e17a4e2dff6e9488bb0f36fe2e240a3d24ba00b2
MD5 hash:
11806b44f7acbe619c1c7e0a48e758d5
SHA1 hash:
7b70104c2cd29a5eae6db8c58972fc9f49cfe324
Detections:
QuasarRAT
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_Dlls
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_QuasarRAT_May19_1
Description:Detects QuasarRAT malware
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_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: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)

File information


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

Web download

QuasarRAT

Executable exe 52456d908d99b33a3dfc07c2e17a4e2dff6e9488bb0f36fe2e240a3d24ba00b2

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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