MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c0cca4f6532df92e08b828bc23d55acde200fe99a00fd43c565f7937bbccbe6. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 5c0cca4f6532df92e08b828bc23d55acde200fe99a00fd43c565f7937bbccbe6
SHA3-384 hash: e7a4f04457f73b9b27b1b35f6bba268008f21a8d8b5f002197d68a67964d05f1a44664f70c46cc51e1572376f192915f
SHA1 hash: eccd44e622908a71232b2791fa75788cbc9c9317
MD5 hash: 99f9828494668b00a392b43e478c3885
humanhash: south-indigo-eighteen-cup
File name:Contract #56938045_________________________________________________________________________________________________________.exe
Download: download sample
Signature MassLogger
File size:580'096 bytes
First seen:2025-02-10 19:58:13 UTC
Last seen:2025-02-10 19:58:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:8AbZWUBjsalt2bnhOoHC50jZm9c2J7vCRo:BbYULl0goHIKAJ7vCa
Threatray 397 similar samples on MalwareBazaar
TLSH T116C4DFC83B2AE716CE695930DA35EEB593A81DACB000B9E25FDD3B57B9AD1015D0CF01
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 TeamDreier
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
448
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sales Confirmation - 2025026474_1.rar
Verdict:
Malicious activity
Analysis date:
2025-02-10 20:07:21 UTC
Tags:
arch-exec evasion snake keylogger stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme snake msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
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
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1611402 Sample: ________.exe Startdate: 10/02/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 checkip.dyndns.org 2->48 50 checkip.dyndns.com 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 64 11 other signatures 2->64 8 ________.exe 7 2->8         started        12 OfzGenoruCySvH.exe 5 2->12         started        signatures3 62 Tries to detect the country of the analysis system (by using the IP) 46->62 process4 file5 38 C:\Users\user\AppData\...\OfzGenoruCySvH.exe, PE32 8->38 dropped 40 C:\...\OfzGenoruCySvH.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpFB2E.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\________.exe.log, ASCII 8->44 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Adds a directory exclusion to Windows Defender 8->68 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 ________.exe 15 2 8->19         started        22 schtasks.exe 1 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 74 Injects a PE file into a foreign processes 12->74 24 OfzGenoruCySvH.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 76 Loading BitLocker PowerShell Module 14->76 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        32 conhost.exe 17->32         started        52 checkip.dyndns.com 132.226.247.73, 49780, 49829, 80 UTMEMUS United States 19->52 54 reallyfreegeoip.org 104.21.96.1, 443, 49788, 49835 CLOUDFLARENETUS United States 19->54 34 conhost.exe 22->34         started        78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-02-10 08:05:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
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
System Network Configuration Discovery: Internet Connection 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
Downloads MZ/PE file
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
5c0cca4f6532df92e08b828bc23d55acde200fe99a00fd43c565f7937bbccbe6
MD5 hash:
99f9828494668b00a392b43e478c3885
SHA1 hash:
eccd44e622908a71232b2791fa75788cbc9c9317
SH256 hash:
f230c380401f8f52ccf5d6a9aba83a3e138b9e022e3a056ba6f9ce6ef6994c5c
MD5 hash:
94ae1068409087361b587e51b91bb8ea
SHA1 hash:
a97b829b577f77e7b9b94540a51770abb344dc33
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
977cb1cdc2d80d63664c8a5d1e9d46f32b8bd2ab30800b1d81b8654ca1903d48
MD5 hash:
0e777c15815fa8318c5fa53c87c06111
SHA1 hash:
b160b9c38f2d216fd0b0287e96d18659455bbe1a
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
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)

File information


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

Malspam

MassLogger

Executable exe 5c0cca4f6532df92e08b828bc23d55acde200fe99a00fd43c565f7937bbccbe6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

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