MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d7ebc63612ebfeffbfb03e9e728b9b9876562b816d3cb308e69a59d754c3aa5. 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



404Keylogger


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 6d7ebc63612ebfeffbfb03e9e728b9b9876562b816d3cb308e69a59d754c3aa5
SHA3-384 hash: 1b377f154a8bf58c1f3546fc24dc08bae151f09193aaf77c18b8b713815f17aff89c4297f26ff464a7dc4c866acd13f1
SHA1 hash: 8ee5874a01ea015eda5b3c478e63d68065891d23
MD5 hash: ae17dbc4a2d92c06aac74d832c8946b5
humanhash: stairway-charlie-apart-lima
File name:Voicemessage C655VM 250204.pif
Download: download sample
Signature 404Keylogger
File size:601'088 bytes
First seen:2025-02-05 07:19:30 UTC
Last seen:2025-02-05 08:57:25 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:cLdB19aNfm9F0FN9kkp/gvX33XOl8rJZwTKp+r2bVPd9ULArpOVXHR7Vm:sLgNfJtOn+8rvwmYYVl9ULwk9H
TLSH T17CD4120DBBD2A760C15C0A37CA03274E01F04226F1F6FFB6A5D91DFA1EA19D8A5199D3
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
File icon (PE):PE icon
dhash icon e0e698a08088a888 (20 x Formbook, 6 x AgentTesla, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:404Keylogger exe pif

Intelligence


File Origin
# of uploads :
2
# of downloads :
507
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Voicemessage C655VM 250204.pif
Verdict:
Malicious activity
Analysis date:
2025-02-05 07:59:49 UTC
Tags:
evasion snake keylogger stealer telegram

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
micro shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
HackTool[Obfuscator]/MSIL.DeepSea
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 contains very large array initializations
.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
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1607204 Sample: Voicemessage C655VM 250204.... Startdate: 05/02/2025 Architecture: WINDOWS Score: 100 32 reallyfreegeoip.org 2->32 34 api.telegram.org 2->34 36 2 other IPs or domains 2->36 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 54 14 other signatures 2->54 8 Voicemessage C655VM 250204.pif.exe 15 6 2->8         started        13 YPPogrBzdvXlnA.exe 3 2->13         started        signatures3 50 Tries to detect the country of the analysis system (by using the IP) 32->50 52 Uses the Telegram API (likely for C&C communication) 34->52 process4 dnsIp5 38 checkip.dyndns.com 132.226.8.169, 49735, 80 UTMEMUS United States 8->38 40 api.telegram.org 149.154.167.220, 443, 49794 TELEGRAMRU United Kingdom 8->40 42 reallyfreegeoip.org 104.21.16.1, 443, 49757 CLOUDFLARENETUS United States 8->42 26 C:\Users\user\AppData\...\YPPogrBzdvXlnA.exe, PE32 8->26 dropped 28 C:\...\YPPogrBzdvXlnA.exe:Zone.Identifier, ASCII 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmpDE05.tmp, XML 8->30 dropped 56 Tries to harvest and steal browser information (history, passwords, etc) 8->56 58 Adds a directory exclusion to Windows Defender 8->58 15 powershell.exe 23 8->15         started        18 schtasks.exe 1 8->18         started        60 Multi AV Scanner detection for dropped file 13->60 62 Machine Learning detection for dropped file 13->62 file6 signatures7 process8 signatures9 64 Loading BitLocker PowerShell Module 15->64 20 WmiPrvSE.exe 15->20         started        22 conhost.exe 15->22         started        24 conhost.exe 18->24         started        process10
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2025-02-04 13:38:06 UTC
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
snakekeylogger unknown_loader_037
Similar samples:
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
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
Unpacked files
SH256 hash:
6d7ebc63612ebfeffbfb03e9e728b9b9876562b816d3cb308e69a59d754c3aa5
MD5 hash:
ae17dbc4a2d92c06aac74d832c8946b5
SHA1 hash:
8ee5874a01ea015eda5b3c478e63d68065891d23
SH256 hash:
3e388d7a3b474b7e9fb6a2bf4347bf47ce334604f29a37dca2dff897e445b029
MD5 hash:
34a9ddb921602639853cbe1a494b6ce0
SHA1 hash:
29ccede7b9abaeadf02dcc854028f986b086a786
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
88b56c0a644b40b780dde46503c79de2fca193dc719110db6bcadf138c57310e
MD5 hash:
f70822e8361f42935ca7f68906e4326e
SHA1 hash:
7e4aea053a1d924a7aac286f0608c1c6511141e1
SH256 hash:
7b5d2a4da03cdf0f8e0b48786185c1429fcf340480adfae37db65debaf4eeb9a
MD5 hash:
b832c910196a64cf386f60c9c63ac95f
SHA1 hash:
ce3e44891b6a2d7d5270f99e6aa5a530ad3fd169
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

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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