MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7652d55f845a4914f76058c418df4da0c65f7df5f0febb2aded459ae0b75be61. 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 10 File information Comments

SHA256 hash: 7652d55f845a4914f76058c418df4da0c65f7df5f0febb2aded459ae0b75be61
SHA3-384 hash: b9e38b55176c69106f9a22866efb2bda75e148b468abffbfe7b08909f72b2c25f05d61d82c185db34ec19f95b10646ef
SHA1 hash: cd00708468a02533b41f6d4d54fabfd5ce6b22cc
MD5 hash: 346f96d373a4724cef30348c4cd4c3a3
humanhash: crazy-carolina-missouri-helium
File name:Ziraat_Bankasi_Swift_Mesaji_TXB04958T.scr
Download: download sample
Signature MassLogger
File size:5'214'208 bytes
First seen:2024-12-20 16:14:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:L4LkSwje93SlF2b/Rp54kwt8i/z/FDyV/zT0jBMYlfINMyIDQm5YCJf1iUIF8I29:L4YSwjUhIGs5q++Xf7yCxQwza5Dp
Threatray 126 similar samples on MalwareBazaar
TLSH T18B365BD493F8530DE07E867159F068D949DEB01A26A7D39EF6C204BB0662FC12685EF3
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
476
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ziraat_Bankasi_Swift_Mesaji_TXB04958T.scr
Verdict:
Malicious activity
Analysis date:
2024-12-20 16:20:06 UTC
Tags:
evasion snake keylogger stealer crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
autorun shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Creating a file in the %AppData% subdirectories
Searching for the window
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Blocking the User Account Control
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
certreq expand lolbin masquerade packed packed packer_detected vbnet
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.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for dropped file
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Disables UAC (registry)
Drops large PE files
Found malware configuration
Injects a PE file into a foreign processes
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1579020 Sample: Ziraat_Bankasi_Swift_Mesaji... Startdate: 20/12/2024 Architecture: WINDOWS Score: 100 51 reallyfreegeoip.org 2->51 53 checkip.dyndns.org 2->53 55 checkip.dyndns.com 2->55 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Multi AV Scanner detection for submitted file 2->71 75 11 other signatures 2->75 10 Ziraat_Bankasi_Swift_Mesaji_TXB04958T.scr.exe 1 3 2->10         started        signatures3 73 Tries to detect the country of the analysis system (by using the IP) 51->73 process4 signatures5 89 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->89 91 Writes to foreign memory regions 10->91 93 Adds a directory exclusion to Windows Defender 10->93 95 2 other signatures 10->95 13 InstallUtil.exe 6 10->13         started        16 powershell.exe 23 10->16         started        19 WerFault.exe 19 16 10->19         started        21 InstallUtil.exe 10->21         started        process6 file7 47 C:\Users\user\AppData\...\Trading_AIBot.exe, PE32 13->47 dropped 49 C:\Users\user\AppData\...\Microsofts.exe, PE32 13->49 dropped 23 Trading_AIBot.exe 5 13->23         started        27 Microsofts.exe 15 2 13->27         started        61 Loading BitLocker PowerShell Module 16->61 30 conhost.exe 16->30         started        signatures8 process9 dnsIp10 45 C:\Users\user\AppData\Roaming\...\apihost.exe, PE32 23->45 dropped 77 Antivirus detection for dropped file 23->77 79 Multi AV Scanner detection for dropped file 23->79 81 Machine Learning detection for dropped file 23->81 87 3 other signatures 23->87 32 powershell.exe 23->32         started        35 apihost.exe 23->35         started        37 schtasks.exe 23->37         started        57 checkip.dyndns.com 158.101.44.242, 49736, 80 ORACLE-BMC-31898US United States 27->57 59 reallyfreegeoip.org 172.67.177.134, 443, 49738 CLOUDFLARENETUS United States 27->59 83 Tries to steal Mail credentials (via file / registry access) 27->83 85 Tries to harvest and steal browser information (history, passwords, etc) 27->85 file11 signatures12 process13 signatures14 63 Loading BitLocker PowerShell Module 32->63 39 conhost.exe 32->39         started        41 WmiPrvSE.exe 32->41         started        65 Antivirus detection for dropped file 35->65 43 conhost.exe 37->43         started        process15
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2024-12-20 16:15:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery evasion execution spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks whether UAC is enabled
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Command and Scripting Interpreter: PowerShell
UAC bypass
Windows security bypass
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
7652d55f845a4914f76058c418df4da0c65f7df5f0febb2aded459ae0b75be61
MD5 hash:
346f96d373a4724cef30348c4cd4c3a3
SHA1 hash:
cd00708468a02533b41f6d4d54fabfd5ce6b22cc
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RC6_Constants
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 7652d55f845a4914f76058c418df4da0c65f7df5f0febb2aded459ae0b75be61

(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 (GUARD_CF)high

Comments