MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6. 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: 13


Intelligence 13 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6
SHA3-384 hash: 3a4bb4f8bac8d9adf7085133d9d11cc861b0ca6592e30cc90ac7e9c9d96d513977c0e0f8980ae7dbe61a73b3b6dcd84a
SHA1 hash: c9739af82f291d790ef5adce757ddd86eb6a0185
MD5 hash: f073b6d9747d74d12f09f19fe2772c0c
humanhash: autumn-item-music-beryllium
File name:rtinfo.dll
Download: download sample
Signature MassLogger
Create hunting rule
File size:7'565'312 bytes
First seen:2025-08-26 14:46:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9e1c5e753d9730385056638ab1d72c60 (1 x MassLogger, 1 x AgentTesla)
ssdeep 49152:5ald81BkbBTrAds/c+rYbSAGROGSWIX65WhfTNx589r4vY2I0m+v3Qcy7FcHJ65r:5GbprBJOaSyB5MOOOOd05I8x6IqE2MT
TLSH T1EA76AD1893E805B5E52BDB38CA62C333D6B0BCA256B6C14F0959F6461F73E518B3F225
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 lowmal3
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rtinfo.dll
Verdict:
No threats detected
Analysis date:
2025-08-26 14:55:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bc06b5ac-bc76-4ac3-aabd-5eb611631ff6

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/23702/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68adc90ceb163e0ec182cbce
Tags:
backdoor emotet virus hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context crypto fingerprint lolbin microsoft_visual_cc obfuscated packed remote
Link:
https://www.filescan.io/uploads/68adc98a7137d684583e0976/reports/fd934cd6-6dfe-4499-a1eb-15013cb74983/overview
Verdict:
Malicious
Labled as:
W64/Agent.KHK.gen
Link:
https://www.hybrid-analysis.com/sample/984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-08-26T10:31:00Z UTC
Last seen:
2025-08-26T10:31:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6/results?tab=lookup
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3869a851-4e6d-4250-b8bd-b2097b5ce525
Result
Threat name:
MassLogger RAT, Snake Keylogger, VIP Key
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1765499
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)
Found malware configuration
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
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected MassLogger RAT
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1765499 Sample: rtinfo.dll.exe Startdate: 26/08/2025 Architecture: WINDOWS Score: 100 52 reallyfreegeoip.org 2->52 54 api.telegram.org 2->54 56 2 other IPs or domains 2->56 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 74 10 other signatures 2->74 10 loaddll64.exe 1 2->10         started        signatures3 70 Tries to detect the country of the analysis system (by using the IP) 52->70 72 Uses the Telegram API (likely for C&C communication) 54->72 process4 signatures5 84 Writes to foreign memory regions 10->84 86 Allocates memory in foreign processes 10->86 88 Injects a PE file into a foreign processes 10->88 13 cmd.exe 1 10->13         started        15 rundll32.exe 10->15         started        18 rundll32.exe 10->18         started        20 5 other processes 10->20 process6 signatures7 22 rundll32.exe 13->22         started        92 Writes to foreign memory regions 15->92 94 Allocates memory in foreign processes 15->94 96 Injects a PE file into a foreign processes 15->96 25 AddInProcess32.exe 15->25         started        27 WerFault.exe 15->27         started        29 AddInProcess32.exe 2 18->29         started        32 WerFault.exe 18->32         started        98 Tries to steal Mail credentials (via file / registry access) 20->98 100 Tries to harvest and steal browser information (history, passwords, etc) 20->100 34 AddInProcess32.exe 15 2 20->34         started        36 AddInProcess32.exe 20->36         started        38 WerFault.exe 20 16 20->38         started        40 WerFault.exe 20->40         started        process8 dnsIp9 76 Writes to foreign memory regions 22->76 78 Allocates memory in foreign processes 22->78 80 Injects a PE file into a foreign processes 22->80 42 AddInProcess32.exe 2 22->42         started        46 WerFault.exe 22->46         started        48 MpCmdRun.exe 27->48         started        60 checkip.dyndns.com 193.122.6.168, 49682, 49683, 49684 ORACLE-BMC-31898US United States 29->60 62 reallyfreegeoip.org 104.21.112.1, 443, 49685, 49686 CLOUDFLARENETUS United States 34->62 82 Tries to steal Mail credentials (via file / registry access) 34->82 signatures10 process11 dnsIp12 58 api.telegram.org 149.154.167.220, 443, 49750, 49751 TELEGRAMRU United Kingdom 42->58 90 Tries to steal Mail credentials (via file / registry access) 42->90 50 conhost.exe 48->50         started        signatures13 process14
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/f073b6d9747d74d12f09f19fe2772c0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6/
Threat name:
Win64.Trojan.SnakeStealer
Create hunting rule
Status:
Malicious
First seen:
2025-08-26 14:51:46 UTC
File Type:
PE+ (Dll)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tbbhomi4shn4jhtdtgbudey4ievci2ezm6papfzqjjhkp2epg7la._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250826-r7dgmshl2t/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e9934a96-484d-4642-8f33-c9c08bf040ff
Unpacked files
SH256 hash:
984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6
MD5 hash:
f073b6d9747d74d12f09f19fe2772c0c
SHA1 hash:
c9739af82f291d790ef5adce757ddd86eb6a0185
Link:
https://www.unpac.me/results/3cac694b-6693-4316-b8e0-560630057bcd/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/984277311c91/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/984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:matiex
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked matiex malware samples.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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: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:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

Executable exe 984277311c91dbc49e63998341931c412a246899679e0797304a4ea7e88f37d6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23702/

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