MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85
SHA3-384 hash: 2af7264888e9206a3a8c973d7b6898e4ca10ca312c941e4f3598ab40941d20b94fbe29386768e71e421cdfcd041cfb05
SHA1 hash: f10c41ce064b119d599ab7cfb306eff801adaa33
MD5 hash: 9182b0dd46fcfb344d576fbd13b81538
humanhash: april-echo-tennessee-queen
File name:SIP_20252701095738583757327401213.bat
Download: download sample
Signature MassLogger
Create hunting rule
File size:538'120 bytes
First seen:2025-03-11 07:50:30 UTC
Last seen:2025-03-11 09:06:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:6buc154ghhTGUQisCVyDjfwj5sukQHSNIqiVYLwYFT0HaXQee3SkR:6buaOuyPwj5vkQHZqiOLDvO
TLSH T1BBB4F195E3B8EF91D5B05BB00D71E23207B96E2EE430E2465DD8ACDB34A1764302976F
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 72ceaeaeb2968ea8 (5 x RemcosRAT, 4 x MassLogger, 3 x PureLogsStealer)
Reporter lowmal3
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
391
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SIP_20252701095738583757327401213.bat
Verdict:
Malicious activity
Analysis date:
2025-03-11 08:42:25 UTC
Tags:
snake keylogger evasion stealer
Link:
https://app.any.run/tasks/7035a877-75ff-41e0-8396-3867a47573dd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cff6ce1f777fe30608dcc9
Tags:
injection obfusc shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature masquerade obfuscated packed packed packer_detected signed
Link:
https://www.filescan.io/uploads/67cfeb7bb32a56d0c2cf60a4/reports/dc177826-cab1-45c3-ade4-17bb757141fc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85
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/4c4c4edb-f2ca-4dbc-bf45-cab1b80e25d4
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/1634988
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
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
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: 1634988 Sample: SIP_20252701095738583757327... Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 26 reallyfreegeoip.org 2->26 28 checkip.dyndns.org 2->28 30 checkip.dyndns.com 2->30 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 44 9 other signatures 2->44 8 SIP_20252701095738583757327401213.bat.exe 4 2->8         started        signatures3 42 Tries to detect the country of the analysis system (by using the IP) 26->42 process4 file5 24 SIP_20252701095738...7401213.bat.exe.log, ASCII 8->24 dropped 46 Adds a directory exclusion to Windows Defender 8->46 12 SIP_20252701095738583757327401213.bat.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        18 SIP_20252701095738583757327401213.bat.exe 8->18         started        signatures6 process7 dnsIp8 32 checkip.dyndns.com 193.122.6.168, 49696, 80 ORACLE-BMC-31898US United States 12->32 34 reallyfreegeoip.org 104.21.64.1, 443, 49698 CLOUDFLARENETUS United States 12->34 48 Tries to steal Mail credentials (via file / registry access) 12->48 50 Tries to harvest and steal browser information (history, passwords, etc) 12->50 52 Loading BitLocker PowerShell Module 16->52 20 WmiPrvSE.exe 16->20         started        22 conhost.exe 16->22         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5h7yoz5iueus4gqohk26iwlpohl4wthxqrti7owd57mv6rlt6cq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250311-jp1v8awrt6/
Behaviour
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/a8781f8c-41ae-45d6-a034-52cb10ae6625
Unpacked files
SH256 hash:
b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85
MD5 hash:
9182b0dd46fcfb344d576fbd13b81538
SHA1 hash:
f10c41ce064b119d599ab7cfb306eff801adaa33
Link:
https://www.unpac.me/results/a04704ce-abca-4db4-9c29-627e4b18134f/
SH256 hash:
de8c9e136cdee47f85a41376993c3384591a5444fe86b558d938f5126cd07c7e
MD5 hash:
b94f77c5ccefb69ea3f0e8473c253ee4
SHA1 hash:
1cec543b1679dfa17f70553dcc17d84b881b31ea
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/a04704ce-abca-4db4-9c29-627e4b18134f/
Parent samples :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 hash:
f6bcdbd13b5b747af4e9a0fd4e7667f0de56aa9d12ee1d76d28eb047ef4bc147
MD5 hash:
e0d6463999975ac20ec1ce197ca67888
SHA1 hash:
2e0a5494001a08f6958fb08fc66a6a26bc13bd3c
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/a04704ce-abca-4db4-9c29-627e4b18134f/
Parent samples :
4bd5d8dbd871399e808370b9ec7adadc46a28ee4af8a48478b69c391f3236637
b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85
0c41a305e80960e4c7c2c890fd707429091d3bb87d5726ed7c13373d626e85cd
SH256 hash:
bf216f625374b12a63f5c00f308afc5a4d3b54650cb2a477de8f9a6c634e3062
MD5 hash:
58a02d91b7409708605d4de2a9bf1522
SHA1 hash:
e80359c542a8ca972d6775d93ffbf5a5366f02db
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/a04704ce-abca-4db4-9c29-627e4b18134f/
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/b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

Executable exe b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85

(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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