MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b
SHA3-384 hash: f738617606a0954875a3acbfcb8ba2882501e4d2b5f16cd9c7a4381ca03c8cd4e42deb84cfa3326a5613b76005221e40
SHA1 hash: 0206904d85ab2fafaa12dce53f3c69268aad32d9
MD5 hash: 384040aeba5ca6d9c3e27eac2544c0e2
humanhash: alaska-hotel-zebra-lima
File name:INVOICE.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:716'808 bytes
First seen:2025-06-05 11:00:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:RlQR0B7aKbLb4GPe3uXk6VMNYYByZVi+bAztDDyTnMugPLgCkR:RlQcLbPLJXfIqEK0yTMLs
Threatray 1'525 similar samples on MalwareBazaar
TLSH T1D6E48AD5EABAD6C3C46956B420A2C2381E357FC97521C2905DF638DB36F2B00369727E
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
Reporter lowmal3
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
567
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2025-06-05 11:04:03 UTC
Tags:
evasion snake keylogger stealer netreactor ims-api generic
Link:
https://app.any.run/tasks/030e5a26-38cd-418d-99fc-f7679ced0a23

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/7462/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3345.8539.3307.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684179e98bd5d68a12e581e5
Tags:
injection spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/684178d9171e01f95936f343/reports/455dbfe7-87f6-4f1d-ba39-c057495e184e/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/deac0051-c5b3-4bf6-b9ac-f1e878fa2603
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/1707123
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
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
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Uses threadpools to delay analysis
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1707123 Sample: INVOICE.exe Startdate: 05/06/2025 Architecture: WINDOWS Score: 100 48 reallyfreegeoip.org 2->48 50 checkip.dyndns.org 2->50 52 checkip.dyndns.com 2->52 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 66 11 other signatures 2->66 8 INVOICE.exe 7 2->8         started        12 GgtjFxXU.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 48->64 process4 file5 40 C:\Users\user\AppData\RoamingbehaviorgraphgtjFxXU.exe, PE32 8->40 dropped 42 C:\Users\...behaviorgraphgtjFxXU.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmp68C1.tmp, XML 8->44 dropped 46 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 8->46 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 70 Writes to foreign memory regions 8->70 72 Allocates memory in foreign processes 8->72 80 2 other signatures 8->80 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 RegSvcs.exe 15 2 8->19         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 76 Sample uses process hollowing technique 12->76 78 Injects a PE file into a foreign processes 12->78 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        28 RegSvcs.exe 12->28         started        signatures6 process7 dnsIp8 82 Loading BitLocker PowerShell Module 14->82 30 conhost.exe 14->30         started        32 WmiPrvSE.exe 14->32         started        34 conhost.exe 17->34         started        54 checkip.dyndns.com 193.122.130.0, 49719, 49726, 80 ORACLE-BMC-31898US United States 19->54 56 reallyfreegeoip.org 104.21.32.1, 443, 49722, 49727 CLOUDFLARENETUS United States 19->56 36 conhost.exe 22->36         started        84 Tries to steal Mail credentials (via file / registry access) 24->84 86 Tries to harvest and steal browser information (history, passwords, etc) 24->86 38 conhost.exe 26->38         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-06-05 06:47:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kih3efgftyqigr55eiiwtr4jwgmrie3nt44lkh32saemnck64fvq._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b
MassLogger
520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b
MassLogger
69c5a698e5440fda15f54b2737f3125a1f5d023ce120ce8e8af29b50fb17f51b
MassLogger
779065a001ee3006e880df587c823741e372eeeddbb5725dd53cb35349c79d89
MassLogger
93cc34776484daa2fcc0392c3f98530d2c003e3d32dd90b977983a21c9ddd4e1
MassLogger
error
MassLogger
+ 1'515 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250605-m381jagl7z/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7734028043:AAFIeCvMZ4kzPCyRJpN0A6Vnw5IFE1hKcXw/sendMessage?chat_id=7758782479
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/72da6fe3-9455-439e-95c7-b3e77c69c319
Unpacked files
SH256 hash:
520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b
MD5 hash:
384040aeba5ca6d9c3e27eac2544c0e2
SHA1 hash:
0206904d85ab2fafaa12dce53f3c69268aad32d9
Link:
https://www.unpac.me/results/d712be44-68c3-4028-8329-a856fdd5b300/
SH256 hash:
b217b9422580141210a93cac136405fbaf6d2421f29989409fc722ee650a69ca
MD5 hash:
c9b5317f3262025bd7477bfd556e2424
SHA1 hash:
2fc20c2ed35e49092b75af6a950241d431ee918e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/d712be44-68c3-4028-8329-a856fdd5b300/
SH256 hash:
31d37639b748f626185f40c41c4ec3d7fe209c95c159ffcc2c33d2f5de921239
MD5 hash:
31ce9d289fb305b6cfdcef7a3cf1e14a
SHA1 hash:
8137a999c8b3f3e2ee7ee0c6ef04d4219926b220
Link:
https://www.unpac.me/results/d712be44-68c3-4028-8329-a856fdd5b300/
SH256 hash:
dd07bbf4d7197e69d5dc71bd1535dae82770f2801b084904cb1840e3600b67dd
MD5 hash:
eb2725d310ba585ee88ee14cf9dbacc5
SHA1 hash:
b42775709e9e5e1d119ea2098f63b1f8d549a8a8
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/d712be44-68c3-4028-8329-a856fdd5b300/
Parent samples :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 family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/520fb214c59e/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/520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
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

Executable exe 520fb214c59e208347bd221169c789b19914136d9f38b51f7a9008c6895ee16b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/7462/

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 (HIGH_ENTROPY_VA)high

Comments