MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875
SHA3-384 hash: 3c08f7a4acee4d5859093ac91a585a70ea6221a3b2b832dac6b628cced512cf5abe68748d20521b0e232ce217c1c5853
SHA1 hash: 3e86c2fd81b415a1a54486dc226f890946d2aa79
MD5 hash: 1ce57c7a0654a0142c7ac4bb1ba4802e
humanhash: twelve-ceiling-king-rugby
File name:IMG_50117302.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:71'288 bytes
First seen:2025-01-21 17:57:28 UTC
Last seen:2025-01-21 22:56:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 768:zZZY0PSFDeKLwX2NsO3O6DsyEym0GfhbF2zInyQS+ST6nkC1:s0PS/33Kym0GZJiInv/mq
Threatray 4'959 similar samples on MalwareBazaar
TLSH T1F563E882667F42E2F54C6E7A949657340264EF41A9728D0AE0C73FC9F833217DD49ECA
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
File icon (PE):PE icon
dhash icon 27d0d8d4d4d8d027 (24 x AgentTesla, 8 x SnakeKeylogger, 7 x Formbook)
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
4
# of downloads :
604
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875.exe
Verdict:
Malicious activity
Analysis date:
2025-01-21 20:20:07 UTC
Tags:
snake keylogger evasion stealer
Link:
https://app.any.run/tasks/c417fa86-5823-409b-9a2d-c6551e61ede6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.19903.20322.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678fe27ae708b6e7a3aed175
Tags:
injection autorun obfusc micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Sending a custom TCP request
Reading critical registry keys
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor obfuscated packed
Link:
https://www.filescan.io/uploads/678fe0a55563233d7bfd6e45/reports/2ca40582-f692-4879-8551-98e5bc58cbcd/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da325dce-7dbc-4869-956a-e0137de89c2a
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1596164
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1596164 Sample: IMG_50117302.exe Startdate: 21/01/2025 Architecture: WINDOWS Score: 100 30 reallyfreegeoip.org 2->30 32 jertcot.shop 2->32 34 3 other IPs or domains 2->34 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 58 13 other signatures 2->58 8 IMG_50117302.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 56 Tries to detect the country of the analysis system (by using the IP) 30->56 process4 dnsIp5 36 oshi.at 194.15.112.248, 443, 49706, 49772 INTERNATIONAL-HOSTING-SOLUTIONS-ASEUDCrouteGB Ukraine 8->36 24 C:\Users\user\AppData\Roaming\Current.exe, PE32 8->24 dropped 26 C:\Users\user\AppData\Roaming\...\Current.vbs, ASCII 8->26 dropped 28 C:\Users\user\...\Current.exe:Zone.Identifier, ASCII 8->28 dropped 64 Drops VBS files to the startup folder 8->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->66 68 Writes to foreign memory regions 8->68 70 Injects a PE file into a foreign processes 8->70 15 InstallUtil.exe 14 2 8->15         started        72 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->72 19 Current.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 38 jertcot.shop 162.254.34.31, 49776, 49935, 587 VIVIDHOSTINGUS United States 15->38 40 checkip.dyndns.com 193.122.130.0, 49712, 49860, 80 ORACLE-BMC-31898US United States 15->40 42 reallyfreegeoip.org 104.21.48.1, 443, 49728, 49883 CLOUDFLARENETUS United States 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 Multi AV Scanner detection for dropped file 19->46 48 Machine Learning detection for dropped file 19->48 21 InstallUtil.exe 2 19->21         started        signatures10 process11 signatures12 60 Tries to steal Mail credentials (via file / registry access) 21->60 62 Tries to harvest and steal browser information (history, passwords, etc) 21->62
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-01-21 16:03:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kahakelgnjvm5woow3tspo7cdt5kz357muuxascifbrdqblptb2q._file
Verdict:
malicious
Label(s):
snakekeylogger
Create hunting rule
Similar samples:
0cc08a3fc33db7ed2075e49ac59ce9204a21ec8f2fe13559cbdc9cb77ca99289
MassLogger
7fed26cb1381219906f60ae0b64cdc3aa7f769d6c7c30efff089df9ea811cfd0
MassLogger
8e63fcd9e5fcdd993a7535a3990f28a4c95740d801dbfde8fb0d338bbae22d4c
MassLogger
a448772fc396392ea06f8cc4276858096ca083104312b22369e7f6a95fb8d0b7
MassLogger
error
MassLogger
+ 4'949 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery
Link:
https://tria.ge/reports/250121-wj5y7swnak/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/62a08d12-0d9f-4185-a71f-88113c53c3e8
Unpacked files
SH256 hash:
500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875
MD5 hash:
1ce57c7a0654a0142c7ac4bb1ba4802e
SHA1 hash:
3e86c2fd81b415a1a54486dc226f890946d2aa79
Link:
https://www.unpac.me/results/16587d0d-8d61-4201-bf27-5290d3da6903/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/500e0511666a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

MassLogger

7z 331230ec27a985aeb8ab4526cd19407947b7afe51afb6abbbe1a74eb32eaa531

MassLogger

Executable exe 500e0511666a6aced9ceb6e727bbe21cfaacefbf6529704848286238056f9875

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 331230ec27a985aeb8ab4526cd19407947b7afe51afb6abbbe1a74eb32eaa531
  
Dropped by
MD5 7337649ac38df5220bd70ace94636f6c

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 (GUARD_CF)high

Comments