MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826. 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: 14


Intelligence 14 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826
SHA3-384 hash: eaf664ec120f869ce266e8e9f32fec9f6b9e3fcea2a67043b15b02363ad3f28e527b4adfba34b2706dd292bca98e7e55
SHA1 hash: 368feda9b1a1da061e53409552f8c58f4c980bc7
MD5 hash: 3e1a1faa338503c89de4255f0acbf51c
humanhash: robin-social-earth-india
File name:3e1a1faa338503c89de4255f0acbf51c.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'942'528 bytes
First seen:2025-04-25 05:44:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:xhqOIeSWeWBRYRR1qJvHIPbcNE0KKSb7yviUSQaBaOwIRxl2S62/9nsB9Rn9cCd9:f7YReEwKKSb7L3wip6mar
Threatray 3 similar samples on MalwareBazaar
TLSH T12395BE203DEA501AF0B7AF75DBD0758A4B7EF223770A965E145103460E67B81EDCB23A
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
459
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3e1a1faa338503c89de4255f0acbf51c.exe
Verdict:
Malicious activity
Analysis date:
2025-04-25 05:45:48 UTC
Tags:
auto-reg crypto-regex
Link:
https://app.any.run/tasks/2369055f-49ad-4213-8a50-abbbf29434d7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/3961/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Bulz-9933026-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680b23dba37ff28e12998a69
Tags:
autorun packed micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm entropy hacktool obfuscated packed packed packer_detected reconnaissance
Link:
https://www.filescan.io/uploads/680b216b218c4a98ade15302/reports/65007b13-42a1-4e6c-882c-c7ce2c0a258b/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d72ec0a-9b5c-4ba9-b679-38203c46ec85
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1673806
Signature
.NET source code contains potential unpacker
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-04-24 23:29:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4mbi5tlwg5st3wqskd5csjpbin4w4oc43kmbshye53agqh6qzata._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
818ef3d013069a7bacd3bf4d4a728ace9ea74ab518fb4adffcc0a23f57e4b585
QuasarRAT
e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826
QuasarRAT
error
QuasarRAT
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/250425-gfyy6atnz2/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Verdict:
Malicious
Tags:
Win.Malware.Generic-9883083-0
YARA:
n/a
Link:
https://app.threat.zone/submission/288b1366-c12d-41de-8650-4c18f60f6fea
Unpacked files
SH256 hash:
e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826
MD5 hash:
3e1a1faa338503c89de4255f0acbf51c
SHA1 hash:
368feda9b1a1da061e53409552f8c58f4c980bc7
Link:
https://www.unpac.me/results/586868b8-b27a-4c17-8ab3-1d216a44613f/
SH256 hash:
25654bb37f1247374916b140301f61d665238bb723d0c072560635b1f329b7e9
MD5 hash:
2358adfd8c5f1ef45b1cb094d9ddbf50
SHA1 hash:
786fadb531ee90fcfa63ded6f7dd0837b0ed5a3f
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/586868b8-b27a-4c17-8ab3-1d216a44613f/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e3028ecd7637653dda1250fa2925e143796e385cda98191f04eec0681fd0c826

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
Create hunting rule
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/3961/

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 (GUARD_CF)high

Comments