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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe3dd2365097e3f899d393f8a006ca7e8f57fdb027e746c027921b331a0f778e. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments

SHA256 hash: fe3dd2365097e3f899d393f8a006ca7e8f57fdb027e746c027921b331a0f778e
SHA3-384 hash: 7dc6529780b536500fe72a16ba3c63401f797108577981cea1540c69def4f79ed60b353b46255e3f8b622597ea8e178b
SHA1 hash: 0c79e38c9f2cb5c797792729b10391b58ada94a3
MD5 hash: 01dd996e983f6f00fb477171e9830189
humanhash: xray-diet-stairway-kilo
File name:01dd996e983f6f00fb477171e9830189.exe
Download: download sample
Signature QuasarRAT
File size:2'369'024 bytes
First seen:2026-10-18 11:52:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'291 x AgentTesla, 20'702 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 49152:di346EUbowEOvygS7/1sHOqJ02nTPFdRPqxMaiDza9nVQc6w:diILUcwti78OqJ7TPB3uN6
TLSH T105B533048FBA568BF029B7FCE0B74D44A1B692756B21EB5CC8C9B3DC8B05B844F952D1
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 0b3373636b577373 (1 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
201
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-18 12:03:05 UTC
Tags:
auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
dropper proxy virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating synchronization primitives
Creating a file
Creating a process from a recently created file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 masquerade obfuscated packed reconnaissance
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-14T07:55:00Z UTC
Last seen:
2026-10-19T19:03:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to capture screen (.Net source)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Costura Assembly Loader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Fody/Costura Packer Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.00 SOS: 0.11 SOS: 0.13 SOS: 0.15 SOS: 0.16 SOS: 0.17 SOS: 0.18 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.30 SOS: 0.31 SOS: 0.32 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.AdvML
Status:
Malicious
First seen:
2026-10-15 15:11:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
costura discovery packer persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Reads the TCP/IP host and domain name from the registry
Costura .NET executable packer
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Executes dropped EXE
Unpacked files
SH256 hash:
fe3dd2365097e3f899d393f8a006ca7e8f57fdb027e746c027921b331a0f778e
MD5 hash:
01dd996e983f6f00fb477171e9830189
SHA1 hash:
0c79e38c9f2cb5c797792729b10391b58ada94a3
Detections:
INDICATOR_EXE_Packed_Fody malware_windows_xrat_quasarrat
SH256 hash:
5b96acf4e9f8725c18949148c75cb9d00e5dbb0ec7fb185c8bd2c6b6c11a6513
MD5 hash:
37f6612c4ef78e3b86f9234147344935
SHA1 hash:
213721924ba8d7fccf0b1068254e86038fb19c7d
Detections:
triage_quasar_rat INDICATOR_EXE_Packed_Fody
SH256 hash:
6ead316e428c0de7448e3d84054916565e7afa557e230231d6ff62bf95609195
MD5 hash:
c2ae0c5dcc849aab35dfb2466c198b65
SHA1 hash:
2d95ed8d2f5c3a6b34029ae42b14f7715aa80c59
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:Costura_Protobuf
Author:@bartblaze
Description:Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Ngrok_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
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:WIN_Malware_Unknown_ForgeAuto_6717780a_Extrait
Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)

File information


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

Comments