MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd
SHA3-384 hash: 145c29cb92278361521eca98ae0c01a6da271ac2d99ff3712141f2bb0015372992741f0bf5cb5958927d6bb0cc00788e
SHA1 hash: ecaa73a6c167e799a4d8188c0645d447bb0bc171
MD5 hash: 678b9f9146827a7f661aa4b1bc5858bd
humanhash: michigan-sink-minnesota-iowa
File name:678b9f9146827a7f661aa4b1bc5858bd.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:5'544'960 bytes
First seen:2025-07-05 13:13:29 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 49152:gLsymIqI+XjN5u61xPSS6wfwOEjcogks1qE1TscZszqg/3wwsIRF1GsYO:
TLSH T14E46CC383BEAD0197273EE564AD474A7A95FB7B37B03944E206103464633941EEE2D3E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
19
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rl_fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd
Verdict:
Malicious activity
Analysis date:
2025-07-05 13:20:46 UTC
Tags:
auto-reg crypto-regex
Link:
https://app.any.run/tasks/ca894ab0-95f3-4b07-b697-bb62ef32f72b

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/12412/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68692531c9eb97473766968b
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
Connection attempt
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 crypt cryptor_detected fingerprint obfuscated packed reconnaissance
Link:
https://www.filescan.io/uploads/68692533f638235d73f74dbb/reports/15af8698-cce2-4f89-9108-ef830a1ca3e4/overview
Verdict:
Malicious
Labled as:
MSILKrypt.Generic
Link:
https://www.hybrid-analysis.com/sample/fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5bbe7932-523c-45d2-a05c-733d4ffcc071
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1729190
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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: Powershell Base64 Encoded MpPreference Cmdlet
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: 1729190 Sample: 241xJzaQTQ.exe Startdate: 05/07/2025 Architecture: WINDOWS Score: 100 35 ipwho.is 2->35 47 Found malware configuration 2->47 49 Antivirus detection for dropped file 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 9 other signatures 2->53 9 241xJzaQTQ.exe 5 2->9         started        13 Realtek Audio Driver Updater.exe 3 2->13         started        signatures3 process4 file5 31 C:\Users\...\Realtek Audio Driver Updater.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\...\241xJzaQTQ.exe.log, CSV 9->33 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 9->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->57 15 Realtek Audio Driver Updater.exe 14 3 9->15         started        19 schtasks.exe 1 9->19         started        signatures6 process7 dnsIp8 37 159.89.44.108, 4782, 49687 DIGITALOCEAN-ASNUS United States 15->37 39 ipwho.is 15.204.213.5, 443, 49689 HP-INTERNET-ASUS United States 15->39 41 Adds a directory exclusion to Windows Defender 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 45 Installs a global keyboard hook 15->45 21 powershell.exe 7 15->21         started        23 schtasks.exe 1 15->23         started        25 conhost.exe 19->25         started        signatures9 process10 process11 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/678b9f9146827a7f661aa4b1bc5858bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-07-02 03:22:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7y3obcxdcuqp3eh5rimvxrqeudybpti55eeqgxzhlbblp3sexp6q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/250705-qgsm7shj4s/
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
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/62d13ca8-f796-4f15-9bdd-3142a583079f
Unpacked files
SH256 hash:
fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd
MD5 hash:
678b9f9146827a7f661aa4b1bc5858bd
SHA1 hash:
ecaa73a6c167e799a4d8188c0645d447bb0bc171
Link:
https://www.unpac.me/results/76e8dba1-60c3-4a65-aaff-bf7da4111664/
SH256 hash:
d7e1189e7411b0958a6e2fd7fa11bd82d8f8a2bf1715fa8e6b868db4307fc3d1
MD5 hash:
d906a230e0fe0df77b639a058e81c0ff
SHA1 hash:
85092e6fbb3a38b0525c3b4212cae65166471eb1
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/76e8dba1-60c3-4a65-aaff-bf7da4111664/
Parent samples :
1e545cdb8cc5bba3fb3a3b1baafa4e790b12098884fa797ad54611e3b873bd18
5f192f10cc75f3be973d6f3725fb0479f70f67fbb3412f9900a272730acf17b3
0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd
SH256 hash:
eb0909f73daa2f863e233c6d25147361007cdb18937e8ea5e7dab772530824fc
MD5 hash:
de4e39f41d40028020be7bc9a4ac6a12
SHA1 hash:
e072053ecfc5ee20774a232e958d110f0667b8d9
Detections:
INDICATOR_EXE_Packed_Fody
Create hunting rule
Link:
https://www.unpac.me/results/76e8dba1-60c3-4a65-aaff-bf7da4111664/
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/fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd

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:DebuggerCheck__PEB
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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)

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/12412/

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

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