MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c
SHA3-384 hash: 0ac7622df15bc67183041f5253537af563de908905cdcb4ce24b1dd0fbc1afdec0aa3590036f87efa3778ff85c9ed4c5
SHA1 hash: a1cc89f37329905e426d9ca758077f4f9828c8cf
MD5 hash: 6a7cb35f93c74d6d34435edd171f1272
humanhash: johnny-low-delta-wolfram
File name:SecuriteInfo.com.Win32.CrypterX-gen.20419.20448
Download: download sample
Signature MassLogger
Create hunting rule
File size:820'744 bytes
First seen:2025-02-27 04:25:17 UTC
Last seen:2025-02-27 05:18:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:BrU26/9bsfR5hhozA5L37W3UIuwH7xtAJQzDDx0zzxmjWeg9yXW7kR:BrTmo0zu7FIukB/DyzbPFe
Threatray 4 similar samples on MalwareBazaar
TLSH T15805D00D7B5A9A66CE8C6B37C053201442FBD0D5A2AAF3B659CD2CF91D64F1AC60F853
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 b0b268e8ccd486a2 (11 x Formbook, 5 x SnakeKeylogger, 3 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
703
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.20419.20448
Verdict:
Malicious activity
Analysis date:
2025-02-27 04:28:29 UTC
Tags:
evasion snake keylogger stealer
Link:
https://app.any.run/tasks/6b85e8d9-f6f5-4ec4-a32a-c4d58623057b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.20419.20448.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bfe9cd28ab76d43a5da111
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Searching for synchronization primitives
Creating a window
Launching a service
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
Creating a file
DNS request
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
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated obfuscated obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/67bfe9344a3011c802c29ca9/reports/88910883-d02e-4995-97b6-12223936754a/overview
Verdict:
Malicious
Labled as:
HackTool[Obfuscator]/MSIL.DeepSea
Link:
https://www.hybrid-analysis.com/sample/bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c
Result
Verdict:
SUSPICIOUS
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5635ab94-a503-402c-b12d-cc6fd7ab374b
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1625352
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
Allocates memory in foreign processes
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
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
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 MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1625352 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 27/02/2025 Architecture: WINDOWS Score: 100 48 reallyfreegeoip.org 2->48 50 checkip.dyndns.org 2->50 52 checkip.dyndns.com 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 62 11 other signatures 2->62 8 SecuriteInfo.com.Win32.CrypterX-gen.20419.20448.exe 11 7 2->8         started        12 zuNVUYBztc.exe 4 5 2->12         started        signatures3 60 Tries to detect the country of the analysis system (by using the IP) 48->60 process4 file5 36 C:\Users\user\AppData\...\zuNVUYBztc.exe, PE32 8->36 dropped 38 C:\Users\...\zuNVUYBztc.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp106D.tmp, XML 8->40 dropped 42 SecuriteInfo.com.W...20419.20448.exe.log, ASCII 8->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 66 Writes to foreign memory regions 8->66 68 Allocates memory in foreign processes 8->68 70 Adds a directory exclusion to Windows Defender 8->70 14 powershell.exe 23 8->14         started        17 RegSvcs.exe 15 2 8->17         started        20 schtasks.exe 1 8->20         started        72 Multi AV Scanner detection for dropped file 12->72 74 Injects a PE file into a foreign processes 12->74 22 RegSvcs.exe 12->22         started        24 schtasks.exe 12->24         started        26 RegSvcs.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        44 checkip.dyndns.com 132.226.8.169, 49711, 49713, 80 UTMEMUS United States 17->44 46 reallyfreegeoip.org 104.21.64.1, 443, 49712, 49714 CLOUDFLARENETUS United States 17->46 32 conhost.exe 20->32         started        78 Tries to steal Mail credentials (via file / registry access) 22->78 80 Tries to harvest and steal browser information (history, passwords, etc) 22->80 34 conhost.exe 24->34         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-02-27 04:26:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5lx5tlszoqctyhqtoqt7waixp3tb35oexve4nneqjpmtjl6b6oa._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
837b5c608ebc19191678d6cca32c6558e6ad3624015858ecc8c895766298a5b1
MassLogger
b2ad15205bc0385eacc9412fbc35639de0d5ecce1b045770cbcc584b41371c0d
MassLogger
error
MassLogger
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution
Link:
https://tria.ge/reports/250227-e157vswnz8/
Behaviour
Checks processor information in registry
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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/1f951046-7b46-4624-9a8c-08e877f57646
Unpacked files
SH256 hash:
bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c
MD5 hash:
6a7cb35f93c74d6d34435edd171f1272
SHA1 hash:
a1cc89f37329905e426d9ca758077f4f9828c8cf
Link:
https://www.unpac.me/results/9bc8e67e-5f72-482a-be45-c11a3a868bff/
SH256 hash:
1377f5e637446486591928f2e7e40b65ad15ba70874b6fa327eec6695080d9d3
MD5 hash:
ef561af77d4fdf35f341f019c4107181
SHA1 hash:
56de85ed29f5a3330b896ea4031e5b0466055ce5
Link:
https://www.unpac.me/results/9bc8e67e-5f72-482a-be45-c11a3a868bff/
SH256 hash:
48be0bea6d6beb657a4218591530b7e563d211645f8bc671282be03837365eb1
MD5 hash:
3dd886e6d02b9610fdfb1c7361b71c1c
SHA1 hash:
ab4256e042eca5a670e4f1d2b6d3e8d78466bffd
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/9bc8e67e-5f72-482a-be45-c11a3a868bff/
Parent samples :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 hash:
dd6ead96a689983ad7a6818a0621899a3aa569be48e7c9464b627c0051d0441b
MD5 hash:
631d2389f88707f49b80e8a0cd25ef46
SHA1 hash:
b66c38339ff5d36a115109ef1699bcc15df6bd3a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/9bc8e67e-5f72-482a-be45-c11a3a868bff/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf577ecd72cb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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 (GUARD_CF)high

Comments