MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e. 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: 18


Intelligence 18 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e
SHA3-384 hash: c21c9621688426d5625aac62f883c8d817e0a0b4084a8982c35d09694ea4560e496057e3192615a1608995b4791b405d
SHA1 hash: 3adc4120c1e337af7b94b427a537a7d25ea68857
MD5 hash: e042cbd0428ff123ff3ac1a58a05518c
humanhash: london-vegan-diet-venus
File name:RFQ JI-TECH_Materials&Specification-DB700-BOQ.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:5'531'136 bytes
First seen:2025-11-19 23:41:53 UTC
Last seen:2025-12-08 15:18:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ee4d0b708225f2129a5056c58f1c1d9b (1 x MassLogger)
ssdeep 49152:k8td1m0aoGorcrIvrzoUpXxbnz3jg+TcP3sG371DLqdU5YJCs9he56tkoVhsWl14:Tiroz3jgZP3nkDFNuooN9Xh
Threatray 50 similar samples on MalwareBazaar
TLSH T186469C2893E905B9D42BD638C656C333DAB0B9925736C20F095EEA452F739608F3F725
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
131
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e.exe
Verdict:
Malicious activity
Analysis date:
2025-11-19 23:44:10 UTC
Tags:
snake keylogger auto-reg evasion stealer
Link:
https://app.any.run/tasks/3921e1fd-a3bc-4903-942f-02f56fb6222d

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/38742/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691e55d927c5936d7d0ddfc9
Tags:
backdoor spawn hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto fingerprint microsoft_visual_cc snakestealer
Link:
https://www.filescan.io/uploads/691e55d61786844b7a6751a3/reports/54472b9c-0470-4040-b8f3-d82432ebe704/overview
Verdict:
Malicious
Labled as:
Giant.Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-18T19:32:00Z UTC
Last seen:
2025-11-21T21:10:00Z UTC
Hits:
~1000
Detections:
Backdoor.Win32.Androm Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb VHO:Trojan-PSW.MSIL.Convagent.gen VHO:Trojan-PSW.MSIL.Agent.gen HEUR:Trojan-PSW.MSIL.Stealer.gen PDM:Trojan.Win32.Generic Trojan-Spy.MSIL.BPLogger.sb Trojan-Spy.MSIL.BPLogger.ku Trojan-Dropper.Win32.Injector.sb Trojan.Win32.Inject.sb
Link:
https://opentip.kaspersky.com/9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e/results?tab=lookup
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7351d5ec-7b6d-41a6-bd16-47e216e4f391
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1817382
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817382 Sample: RFQ JI-TECH_Materials&Speci... Startdate: 20/11/2025 Architecture: WINDOWS Score: 100 22 reallyfreegeoip.org 2->22 24 checkip.dyndns.org 2->24 26 checkip.dyndns.com 2->26 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 40 8 other signatures 2->40 7 RFQ JI-TECH_Materials&Specification-DB700-BOQ.exe 2 2->7         started        10 RFQ JI-TECH_Materials&Specification-DB700-BOQ.exe 2->10         started        12 RFQ JI-TECH_Materials&Specification-DB700-BOQ.exe 2->12         started        signatures3 38 Tries to detect the country of the analysis system (by using the IP) 22->38 process4 signatures5 42 Creates autostart registry keys with suspicious names 7->42 44 Writes to foreign memory regions 7->44 46 Allocates memory in foreign processes 7->46 14 RegAsm.exe 15 2 7->14         started        48 Injects a PE file into a foreign processes 10->48 18 RegAsm.exe 2 10->18         started        20 RegAsm.exe 2 12->20         started        process6 dnsIp7 28 checkip.dyndns.com 193.122.130.0, 49721, 49726, 49730 ORACLE-BMC-31898US United States 14->28 30 reallyfreegeoip.org 104.21.67.152, 443, 49722, 49727 CLOUDFLARENETUS United States 14->30 50 Tries to steal Mail credentials (via file / registry access) 18->50 52 Tries to harvest and steal browser information (history, passwords, etc) 18->52 signatures8
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/e042cbd0428ff123ff3ac1a58a05518c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e
Threat name:
Win64.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 00:18:32 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 36 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t4i2kp4zurvd6a4lxqtxzojvbegvefzr56agwtu22xg6tpfmtyha._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
Similar samples:
0a8711c61a87f51285f13d87c6f0f4672febeea892e110e2a24e3cb7a100e23b
MassLogger
156fe559007592497bba31a92e719fcab78ec7c4c8a186e639ae4ee78eecee9a
MassLogger
3560c6f9c634f01045b6d421270e3984dab8b43c7b9a5af2a4f87903028b21e1
MassLogger
8cabb06c5a7c81e3d0db9d97d7093bfbc6f398ec5f3ef49fbcd191afb22b3550
MassLogger
984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6
MassLogger
error
MassLogger
fe68311184d90f86d9e05b64272ef7956abfe7ad942c03b5b1b2a161f26da328
MassLogger
+ 40 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery persistence spyware stealer
Link:
https://tria.ge/reports/251119-3p355a1qfq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
404Keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/e67a1a4e-398d-4ef3-9a6d-9e9f8f30ffbc
Unpacked files
SH256 hash:
9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e
MD5 hash:
e042cbd0428ff123ff3ac1a58a05518c
SHA1 hash:
3adc4120c1e337af7b94b427a537a7d25ea68857
Link:
https://www.unpac.me/results/27fb3dc1-21a7-44c6-95f3-c3cf1fa0f87d/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9f11a53f99a4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Malspam

MassLogger

Executable exe 9f11a53f99a46a3f038bbc277cb935090d521731ef806b4e9ad5cde9bcac9e0e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38742/

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