MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1866a1b6c1c64997769312d513eeee808f633fad3b31f45da6d4c957fa8dd052. 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
QatarRAT
Vendor detections: 13
| SHA256 hash: | 1866a1b6c1c64997769312d513eeee808f633fad3b31f45da6d4c957fa8dd052 |
|---|---|
| SHA3-384 hash: | 55657871725a1d1dbc622a7d16ee08b2c22f480621d2b7dfd595c6ef20f4b9d342615310ce95c8ce566ed7a114654040 |
| SHA1 hash: | 5a72537bce5a082d72d8ad08209dfa9dd6252bb7 |
| MD5 hash: | dbff9fdfcb59ddeb6ac49585f7b523e9 |
| humanhash: | pizza-pluto-texas-bluebird |
| File name: | Build123.exe |
| Download: | download sample |
| Signature | QatarRAT |
| File size: | 8'088'064 bytes |
| First seen: | 2026-01-29 19:06:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 98304:T8GabLf+Igk/27Nn4wxEJ/2C2RYeOVgypS7J3paSmAMDHbqYUf:QLbD+lk+7S6k2C2jnypS1iU |
| Threatray | 16 similar samples on MalwareBazaar |
| TLSH | T1BF86010DFE64C970CAAE4E7798750538AF3135CFB68CAF1A397C90A13A923317959352 |
| TrID | 43.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 25.7% (.EXE) InstallShield setup (43053/19/16) 9.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 6.2% (.EXE) Win64 Executable (generic) (10522/11/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Magika | pebin |
| Reporter |  BlinkzSec |
| Tags: | 45-150-34-23 exe QatarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
106
Origin country :
CZVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_1866a1b6c1c64997769312d513eeee808f633fad3b31f45da6d4c957fa8dd052.exe
Verdict:
Malicious activity
Analysis date:
2026-01-29 19:07:33 UTC
Tags:
evasion generic stealer celestialrat rat arch-exec
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware dropper micro
Result
Verdict:
Malware
Maliciousness:
Behaviour
Running batch commands
Launching a process
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Enabling autorun
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-13T01:49:00Z UTC
Last seen:
2026-01-30T12:53:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan-PSW.Win64.Rabbit.sb Trojan-PSW.Win32.Disco.sb Trojan.Win32.Agent.sba HEUR:HackTool.Win64.ChromElevator.gen HackTool.Win64.ChromElevator.a Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Stealer.sb Trojan.Win32.Agent.sb Trojan.MSIL.Dnoper.sb HEUR:Trojan-Dropper.MSIL.Agent.gen HEUR:Exploit.MSIL.BypassUAC.gen
Verdict:
Unknown
Score:
0%
Verdict:
Benign
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.CELESTIALRAT
Threat name:
ByteCode-MSIL.Trojan.CelestialCStealer
Status:
Malicious
First seen:
2026-01-13 06:35:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
26 of 36 (72.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
qatarrat
arkanixstealer
Similar samples:
+ 6 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Executes dropped EXE
Checks computer location settings
Unpacked files
SH256 hash:
1866a1b6c1c64997769312d513eeee808f633fad3b31f45da6d4c957fa8dd052
MD5 hash:
dbff9fdfcb59ddeb6ac49585f7b523e9
SHA1 hash:
5a72537bce5a082d72d8ad08209dfa9dd6252bb7
Detections:
win_lumma_a0
SH256 hash:
83f1a0723e3a529fa964eedba0558e539c3364c88f2042482da9e90eed392d4c
MD5 hash:
7e906f3907b1314db89f8bfb50e76f69
SHA1 hash:
20747c55cd119963a32fa84e4f7edc1c95280669
Detections:
ReflectiveLoader
SH256 hash:
5d911a1e435599df86dc0b9cf440cd37eae1c2ca9a3ec05fad678da57b492825
MD5 hash:
0770db6d8f392ac6589530663816ec59
SHA1 hash:
6cdf6ba2bc48463f161a41ed79216406343f633d
SH256 hash:
594757052cd05c6ea6054f1a99be4fbdfdd457188fcfc826513e427d01bd2b44
MD5 hash:
608e536726b116b73676d7a40171fce0
SHA1 hash:
94a8b689d22472d68891fc45a17a3eccfa8f6cf9
Detections:
cn_utf8_windows_terminal
SH256 hash:
650f757e133cd6fc030977c4f847aeaa36eb554ba1848a291f30e4ff0ff63b8d
MD5 hash:
6bdd50f6716d0519413d840a55cd6a43
SHA1 hash:
05456650b761058aa10200e2ec6b3e97297c136d
Malware family:
QatarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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: | DebuggerCheck__RemoteAPI |
|---|---|
| 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: | Glasses |
|---|---|
| Author: | Seth Hardy |
| Description: | Glasses family |
| Rule name: | GlassesCode |
|---|---|
| Author: | Seth Hardy |
| Description: | Glasses code features |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | grakate_stealer_nov_2021 |
|---|
| Rule name: | INDICATOR_EXE_Packed_Fody |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables manipulated with Fody |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding registry key / value combination indicative of disabling Windows Defender features |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_TelegramChatBot |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables using Telegram Chat Bot |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF |
| 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: | ReflectiveLoader |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended |
| Reference: | Internal Research |
| 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) |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | TelegramAPIMalware_PowerShell_EXE |
|---|---|
| Author: | @polygonben |
| Description: | Hunting for pwsh malware using Telegram for C2 |
| Rule name: | telegram_bot_api |
|---|---|
| Author: | rectifyq |
| Description: | Detects file containing Telegram Bot API |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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