MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 231f146362543fc6a0a100793a581a78db77b0e3ac90866c5ee747209daaecb0. 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: 16


Intelligence 16 IOCs YARA 15 File information Comments

SHA256 hash: 231f146362543fc6a0a100793a581a78db77b0e3ac90866c5ee747209daaecb0
SHA3-384 hash: 2bb3309a86e72b0d8c462bf289e9c87ed28196400c60ee1602df9f1a1e70f136c6cebdd95f5a81ecf4c8f31dbc99fb64
SHA1 hash: e4a88092cc0a7297855638919755476a11222dc7
MD5 hash: 67dc77c70bd633b41a262375d5fab8cb
humanhash: mars-leopard-cold-quebec
File name:hesaphareketi-01.pdf.exe
Download: download sample
Signature MassLogger
File size:614'912 bytes
First seen:2025-03-25 16:43:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'644 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:APzMjvOn6nzx4s2bir3bQT25NIrruIG0r9Ay05bw40WbyKkTWXz:+Ij2n6nqsQqbQT25NIrruzy0W4XbyKQS
TLSH T1A9D4E05867A9C917C5A723785970F63413BB9ED9A835E30A0FDC6CEB7F2BA105D04382
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
dhash icon 70cca2b2b2a2cc70 (7 x Formbook, 7 x SnakeKeylogger, 5 x MassLogger)
Reporter abuse_ch
Tags:exe geo MassLogger TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
438
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Result
Verdict:
MALICIOUS
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1648285 Sample: hesaphareketi-01.pdf.exe Startdate: 25/03/2025 Architecture: WINDOWS Score: 100 29 reallyfreegeoip.org 2->29 31 checkip.dyndns.org 2->31 33 checkip.dyndns.com 2->33 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 55 13 other signatures 2->55 8 hesaphareketi-01.pdf.exe 4 2->8         started        12 svchost.exe 1 1 2->12         started        signatures3 53 Tries to detect the country of the analysis system (by using the IP) 29->53 process4 dnsIp5 27 C:\Users\...\hesaphareketi-01.pdf.exe.log, ASCII 8->27 dropped 57 Adds a directory exclusion to Windows Defender 8->57 15 hesaphareketi-01.pdf.exe 15 2 8->15         started        19 powershell.exe 23 8->19         started        21 hesaphareketi-01.pdf.exe 8->21         started        35 127.0.0.1 unknown unknown 12->35 file6 signatures7 process8 dnsIp9 37 checkip.dyndns.com 193.122.130.0, 49692, 80 ORACLE-BMC-31898US United States 15->37 39 reallyfreegeoip.org 104.21.16.1, 443, 49693 CLOUDFLARENETUS United States 15->39 41 Tries to steal Mail credentials (via file / registry access) 15->41 43 Tries to harvest and steal browser information (history, passwords, etc) 15->43 45 Loading BitLocker PowerShell Module 19->45 23 WmiPrvSE.exe 19->23         started        25 conhost.exe 19->25         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-03-25 04:35:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 novastealer
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Behaviour
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
7f24245d3ba0ddbe6907f1071b27e1c5a05112877b1d4ec4c1ce74d0b6621df1
MD5 hash:
44866ab397ca013874c760a9bfb4bcd6
SHA1 hash:
03123d253eced31d1d816f3da861216695daee17
Detections:
win_masslogger_w0 win_404keylogger_g1 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
72bfd47266006b378f1b63658456e1fa450b4c8fa93a1e0c484f51261573257a
MD5 hash:
4966311889e08f67f7fa6bae9272372e
SHA1 hash:
6fbbd39bcdcf4891b07bab95d14e20f00ce710ce
SH256 hash:
7387684314df365d026767a2731fccda8893dd0729a9d37504a5d3af04fbfb53
MD5 hash:
50f42e2ca156cad1a3f9abbd9a901d9e
SHA1 hash:
a985f2ef284af0bc03bd059c3eb0ca5922d3555a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
231f146362543fc6a0a100793a581a78db77b0e3ac90866c5ee747209daaecb0
MD5 hash:
67dc77c70bd633b41a262375d5fab8cb
SHA1 hash:
e4a88092cc0a7297855638919755476a11222dc7
Malware family:
PrivateLogger
Verdict:
Malicious
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
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_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
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.

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

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