MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 daff6666d05db409cb72e822bb115f14bfa703547292ee228dad3e5c8f19e041. 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
MassLogger
Vendor detections: 15
| SHA256 hash: | daff6666d05db409cb72e822bb115f14bfa703547292ee228dad3e5c8f19e041 |
|---|---|
| SHA3-384 hash: | c4b99aaf4f580a104b5b0f43536244052cb3c4a3c0f4b627f162a982ea22baa64d1de27b6e13d89bc0d0de53e89f24e2 |
| SHA1 hash: | db86285efd5dafb59e803ac7553f6a8c45b5086c |
| MD5 hash: | d2a6419eed9639cdb5c07ad8f9d19a76 |
| humanhash: | beryllium-montana-india-lake |
| File name: | file |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'586'176 bytes |
| First seen: | 2026-05-16 21:14:26 UTC |
| Last seen: | 2026-05-16 21:48:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'012 x AgentTesla, 19'917 x Formbook, 12'332 x SnakeKeylogger) |
| ssdeep | 24576:3fedMs29xbIRxJzck+uGW/yFoBkkAxg2jERKSVyadWAX3z06Nd:3feMsTRTYjqqanRajSVyaDtN |
| Threatray | 136 similar samples on MalwareBazaar |
| TLSH | T1C475BE5173E88216E1BF5A75A472C43446B3BCA69A35CB4F09C479AF3E737409E20B63 |
| TrID | 63.0% (.RLL) Microsoft Resource Library (x86) (177572/6/26) 25.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 2.3% (.EXE) Win64 Executable (generic) (6522/11/2) 1.7% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| dhash icon | bd9908f878afd6c6 (1 x Babadeda, 1 x XoriumStealer, 1 x MassLogger) |
| Reporter |  Bitsight |
| Tags: | b dropped-by-gcleaner exe MassLogger MIX3.file |
Intelligence
File Origin
# of uploads :
2
# of downloads :
119
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
QuasarRAT
Details
Malware family:
n/a
ID:
1
File name:
_daff6666d05db409cb72e822bb115f14bfa703547292ee228dad3e5c8f19e041.exe
Verdict:
Malicious activity
Analysis date:
2026-05-16 21:18:14 UTC
Tags:
uac auto-sch stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun emotet
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd crypto crypto cscript evasive expand explorer fingerprint hacktool lolbin msbuild mshta netsh obfuscated privilege reconnaissance reconnaissance regasm regsvcs rundll32 runonce schtasks update
Verdict:
Malicious
Labled as:
Malware.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-16T18:22:00Z UTC
Last seen:
2026-05-18T07:34:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.MSIL.Stealer.sb Trojan-PSW.MSIL.Agent.sb Trojan-GameThief.MSIL.Worgtop.b Trojan-GameThief.MSIL.Worgtop.a HEUR:Trojan-PSW.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan.MSIL.Agent.sb HEUR:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.Stealer.gen HEUR:Trojan-Banker.MSIL.ClipBanker.gen Backdoor.MSIL.PulsarRAT.sb PDM:Trojan.Win32.Tasker.cust Trojan-PSW.Win32.Coins.sb NetTool.TunnelPinggy.UDP.C&C
Verdict:
Malicious
Score:
84%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.PULSARRAT
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Status:
Malicious
First seen:
2026-05-16 21:15:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
28 of 38 (73.68%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
xoriumstealer
quasarrat
Similar samples:
+ 126 additional samples on MalwareBazaar
Gathering data
Unpacked files
SH256 hash:
daff6666d05db409cb72e822bb115f14bfa703547292ee228dad3e5c8f19e041
MD5 hash:
d2a6419eed9639cdb5c07ad8f9d19a76
SHA1 hash:
db86285efd5dafb59e803ac7553f6a8c45b5086c
Detections:
win_masslogger_w0
QuasarRAT
SH256 hash:
3d742d35f86c0c54ed7872f7da422abb5dc1101e5e5448555ee2dd514848cf7b
MD5 hash:
3d2a214b773830711e93809d8277b468
SHA1 hash:
42d4c4ffdd534056f98e995c70d4f7a0d59d7446
Detections:
triage_cobaltstrike_reflective
Malware family:
ReflectiveLoader
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | Check_Dlls |
|---|
| Rule name: | Check_VBox_Guest_Additions |
|---|
| Rule name: | Check_VmTools |
|---|
| 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: | DebuggerHiding__Thread |
|---|---|
| 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: | detect_Redline_Stealer_V2 |
|---|---|
| Author: | Varp0s |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| 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_MiniDumpWriteDump |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs |
|---|---|
| Author: | ditekSHen |
| Description: | Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. |
| 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_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion |
| Rule name: | Lumma_Stealer_Detection |
|---|---|
| Author: | ashizZz |
| Description: | Detects a specific Lumma Stealer malware sample using unique strings and behaviors |
| Reference: | https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/ |
| Rule name: | Macos_Infostealer_Wallets_8e469ea0 |
|---|---|
| Author: | Elastic Security |
| Rule name: | MAL_BackNet_Nov18_1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects BackNet samples |
| Reference: | https://github.com/valsov/BackNet |
| Rule name: | MAL_BackNet_Nov18_1_RID2D6D |
|---|---|
| Author: | Florian Roth |
| Description: | Detects BackNet samples |
| Reference: | https://github.com/valsov/BackNet |
| Rule name: | masslogger_gcch |
|---|---|
| Author: | govcert_ch |
| 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: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_imphash |
|---|
| Rule name: | Pulsar_RAT |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Pulsar RAT, based on Quasar RAT. |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.pulsar_rat |
| 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: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
| Rule name: | win_masslogger_w0 |
|---|---|
| Author: | govcert_ch |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Gcleaner
Delivery method
Distributed via web download
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