MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761
SHA3-384 hash: ebd76f2f0064ed1507551934691cbc981ffca07b8baa4bfb1023f45817fdc1cfc0e7cc3b90e3c0032a4fc4194797b4f1
SHA1 hash: 918e7dde98762d35bb6efaf3baace68eae6cff90
MD5 hash: 96fdc7d96ef69c8db1479ba38854afd3
humanhash: alpha-island-friend-hot
File name:96fdc7d96ef69c8db1479ba38854afd3.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'003'968 bytes
First seen:2025-06-12 08:49:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:/EOSWeWBRYRR1qJvHIPbcNE0KKSb7yviUSQaBaOwIRxl2S62/9RwQkQ8mu0J:Z7YReEwKKSb7L3wip6mw2f
Threatray 24 similar samples on MalwareBazaar
TLSH T16F95AF2439EA401AF1B7AF75DBD0B4CA9A7EF223771A965D245103460E23B41EDC723B
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 :
480
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
smel.exe
Verdict:
Malicious activity
Analysis date:
2025-06-09 03:00:49 UTC
Tags:
uac auto-sch crypto-regex
Link:
https://app.any.run/tasks/ac8a7008-12f6-4d92-9075-dd555120d0fa

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/9093/
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:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684a94a207b5e8c1cfe666a1
Tags:
autorun emotet
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 base64 formbook hacktool krypt obfuscated packed packed packer_detected quasarrat reconnaissance
Link:
https://www.filescan.io/uploads/684a977cfd02ed5e05a616ee/reports/3f17f77f-eae0-4a3b-9a71-d4a151ccfdab/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53d1873b-b101-44ce-ae61-b9ec0a46fc91
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1713005
Signature
.NET source code contains potential unpacker
Found malware configuration
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
Sample uses string decryption to hide its real strings
Sigma detected: Capture Wi-Fi password
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1713005 Sample: IQi7zC6oiq.exe Startdate: 12/06/2025 Architecture: WINDOWS Score: 100 40 HACKERGTX-23464.portmap.io 2->40 42 ipwho.is 2->42 44 bg.microsoft.map.fastly.net 2->44 58 Found malware configuration 2->58 60 Sigma detected: Capture Wi-Fi password 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 5 other signatures 2->64 9 IQi7zC6oiq.exe 5 2->9         started        13 updater.exe 3 2->13         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\...\updater.exe, PE32 9->36 dropped 38 C:\Users\user\AppData\...\IQi7zC6oiq.exe.log, CSV 9->38 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 9->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->68 15 updater.exe 14 11 9->15         started        20 schtasks.exe 1 9->20         started        signatures6 process7 dnsIp8 46 HACKERGTX-23464.portmap.io 193.161.193.99, 23464, 49681 BITREE-ASRU Russian Federation 15->46 48 ipwho.is 15.204.213.5, 443, 49684 HP-INTERNET-ASUS United States 15->48 32 C:\Users\user\AppData\...\ePyeKspmE9yV.exe, PE32+ 15->32 dropped 34 C:\Recovery\OEM\OEJA3QU6H6494VCHEDW7.exe, PE32 15->34 dropped 50 Multi AV Scanner detection for dropped file 15->50 52 Uses netsh to modify the Windows network and firewall settings 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54 56 3 other signatures 15->56 22 netsh.exe 2 15->22         started        24 schtasks.exe 1 15->24         started        26 conhost.exe 20->26         started        file9 signatures10 process11 process12 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-06-08 05:45:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4vj4gs4kvo3k2qw73ofho5m3gldmanps7sbgddxpuitby4o645qq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
2a6add589b534632a04d3c6eaec0c4a7d6b072bffbb84c0b800bb24ef2ad1ab0
QuasarRAT
2adbf68e583680bf9804404c43990adf4f011783f4f1cdddcc9afb67039a16a8
QuasarRAT
a1598314ea680183e6630630e06d6784173bbf32bd895eaf3882d585e22609cb
QuasarRAT
bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba
QuasarRAT
e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761
QuasarRAT
error
QuasarRAT
f879f50e21830b34b77fd94a33b6c395b9837bb701a7f5e4dad2e9d287af9e72
QuasarRAT
+ 14 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence privilege_escalation spyware stealer
Link:
https://tria.ge/reports/250612-ksazmsgr9w/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
Win.Malware.Generic-9883083-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2255c13a-6c41-4612-8019-9871d7670e43
Unpacked files
SH256 hash:
e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761
MD5 hash:
96fdc7d96ef69c8db1479ba38854afd3
SHA1 hash:
918e7dde98762d35bb6efaf3baace68eae6cff90
Link:
https://www.unpac.me/results/0f068103-ab32-4503-bec4-c966499d9bf3/
SH256 hash:
52baff5ea0f63cf37ae0cc5a77504ee22491cefb4e61a51c1b4d157511916c35
MD5 hash:
839dd924eb6e9e5672d79241c8ae292d
SHA1 hash:
c191c6ee754956190667ad971f8abfaed8eacc92
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/0f068103-ab32-4503-bec4-c966499d9bf3/
Parent samples :
e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761
62e2c7d860a0e3e0975c5b9da5193f9ab3ca6c56ef4eea46d17cc87ac4598b90
eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da
6e6e691a7f98fc4086f2bec28b34b2474ab783e9408c611e789a00107a24c227
7e4fe2503e3dd2028c230f5e0413423f1dbbcbda01a252d22c8ece243979e927
4f831bfdd5b3ab7f4194b6fd391cac71b70ba7ced3489eb2bdf78170eb1214e9
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e553c34b8aab/report/overview.html
Please 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/e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761

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:cobalt_strike_beacon_detected
Create hunting rule
Author:0x0d4y
Description:This rule detects cobalt strike beacons.
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:growtopia
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked growtopia stealer malware samples.
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
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_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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/9093/

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