MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d02937446d2031b8d6f28d4dab29da62a1358864bca30cb1ebb3355478d3140. 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 10 File information Comments

SHA256 hash: 5d02937446d2031b8d6f28d4dab29da62a1358864bca30cb1ebb3355478d3140
SHA3-384 hash: 096292354ff9007c2ad1b4d69b9ff8f9a04cd5742d8bebfb6968d02b36e90752566e8e88be5e55446540adc9f71b83a0
SHA1 hash: f66cea790933cdb57eec28c05e969fa3b166622d
MD5 hash: 6ef40e3c2b94020f46e2b0a9a5cf6bad
humanhash: don-fourteen-nitrogen-leopard
File name:util.dll
Download: download sample
Signature MassLogger
File size:2'451'968 bytes
First seen:2025-10-20 17:25:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 28827b3856cf60c4071f83753f1f7f53 (1 x Rhadamanthys, 1 x MassLogger, 1 x Formbook)
ssdeep 49152:BbrOIt4MKOt1J/CW47hAnH5MoEQQ8K+vaRtlJ:B/j7/1HuQQ8U
Threatray 211 similar samples on MalwareBazaar
TLSH T15AB59E09E3D403B4C466E730C5528F3EE77C769153B1A14B0A9ECE152EB2E649B3AF52
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
210
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
util.dll
Verdict:
Malicious activity
Analysis date:
2025-10-20 17:31:46 UTC
Tags:
snake keylogger evasion telegram stealer ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus agent
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context cmd fingerprint lolbin masquerade microsoft_visual_cc packed
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-09-29T03:38:00Z UTC
Last seen:
2025-10-22T14:43:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Inject.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win64.Stealer.aobn Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb HEUR:Trojan.Win64.Generic Trojan-PSW.SnakeLogger.HTTP.C&C
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
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 the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798582 Sample: util.dll.exe Startdate: 20/10/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 api.telegram.org 2->48 50 2 other IPs or domains 2->50 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 68 9 other signatures 2->68 9 loaddll64.exe 1 2->9         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 46->64 66 Uses the Telegram API (likely for C&C communication) 48->66 process4 process5 11 cmd.exe 1 9->11         started        13 rundll32.exe 9->13         started        16 rundll32.exe 9->16         started        18 18 other processes 9->18 signatures6 20 rundll32.exe 11->20         started        82 Writes to foreign memory regions 13->82 84 Allocates memory in foreign processes 13->84 86 Injects a PE file into a foreign processes 13->86 23 AddInProcess32.exe 2 13->23         started        26 AddInProcess32.exe 13->26         started        28 AddInProcess32.exe 16->28         started        30 AddInProcess32.exe 16->30         started        32 AddInProcess32.exe 18->32         started        34 AddInProcess32.exe 18->34         started        36 AddInProcess32.exe 18->36         started        38 10 other processes 18->38 process7 dnsIp8 70 Writes to foreign memory regions 20->70 72 Allocates memory in foreign processes 20->72 74 Injects a PE file into a foreign processes 20->74 40 AddInProcess32.exe 15 2 20->40         started        44 AddInProcess32.exe 2 20->44         started        52 reallyfreegeoip.org 104.21.67.152, 443, 49687, 49688 CLOUDFLARENETUS United States 23->52 76 Tries to steal Mail credentials (via file / registry access) 32->76 78 Tries to harvest and steal browser information (history, passwords, etc) 32->78 signatures9 process10 dnsIp11 54 api.telegram.org 149.154.167.220, 443, 49756, 49773 TELEGRAMRU United Kingdom 40->54 56 checkip.dyndns.com 158.101.44.242, 49683, 49684, 49685 ORACLE-BMC-31898US United States 40->56 80 Tries to steal Mail credentials (via file / registry access) 40->80 signatures12
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Midie
Status:
Malicious
First seen:
2025-09-29 06:40:40 UTC
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137
Unpacked files
SH256 hash:
5d02937446d2031b8d6f28d4dab29da62a1358864bca30cb1ebb3355478d3140
MD5 hash:
6ef40e3c2b94020f46e2b0a9a5cf6bad
SHA1 hash:
f66cea790933cdb57eec28c05e969fa3b166622d
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Malspam

MassLogger

Executable exe 5d02937446d2031b8d6f28d4dab29da62a1358864bca30cb1ebb3355478d3140

(this sample)

  
Delivery method
Distributed via e-mail attachment

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