MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ece04990c944c877099c08374ec038906e2195c847db7231061bb5a1f51e392a. 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 5 File information Comments

SHA256 hash: ece04990c944c877099c08374ec038906e2195c847db7231061bb5a1f51e392a
SHA3-384 hash: 636589c1db4a3d5ccc353f91d33be182aefccc0f86c0f84be692d36fc6e659fe109c1fc825bd45c9669373dbf01c576f
SHA1 hash: f3abcdf945c05b06e914b1e82377c16fbf26ae1a
MD5 hash: a5b7ad3f9be56ecb4577f17ed29bc191
humanhash: uniform-mirror-sodium-washington
File name:ece04990c944c877099c08374ec038906e2195c847db7231061bb5a1f51e392a
Download: download sample
Signature MassLogger
File size:521'216 bytes
First seen:2025-06-10 11:18:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:igDB6yrNBBSvPE7VUGSH6F3lrEJeFAFRUEPwrxcD:iWcK3p22ALPYl
Threatray 2'661 similar samples on MalwareBazaar
TLSH T119B4010E63668A13C8A61BB54262E1B473798EDFE833C7468FC86CE7BA57B504744347
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 8271f0d4d4e87192 (10 x Formbook, 9 x SnakeKeylogger, 9 x MassLogger)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
373
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ece04990c944c877099c08374ec038906e2195c847db7231061bb5a1f51e392a
Verdict:
Malicious activity
Analysis date:
2025-06-10 18:23:28 UTC
Tags:
evasion snake keylogger stealer netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
agenttesla spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
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
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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
Uses threadpools to delay analysis
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1711062 Sample: bWpWiYWqOD.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 zoomlogistics-bd.com 2->48 50 3 other IPs or domains 2->50 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 66 10 other signatures 2->66 8 bWpWiYWqOD.exe 7 2->8         started        12 RGSloZfr.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 46->64 process4 file5 38 C:\Users\user\AppData\Roaming\RGSloZfr.exe, PE32 8->38 dropped 40 C:\Users\...\RGSloZfr.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9DBA.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\bWpWiYWqOD.exe.log, ASCII 8->44 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 70 Adds a directory exclusion to Windows Defender 8->70 72 Injects a PE file into a foreign processes 8->72 14 bWpWiYWqOD.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 76 Uses threadpools to delay analysis 12->76 24 RGSloZfr.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 52 zoomlogistics-bd.com 192.250.235.75, 49690, 49696, 587 CNSV-LLCUS United States 14->52 54 checkip.dyndns.com 158.101.44.242, 49686, 49688, 80 ORACLE-BMC-31898US United States 14->54 56 reallyfreegeoip.org 104.21.64.1, 443, 49687, 49689 CLOUDFLARENETUS United States 14->56 78 Loading BitLocker PowerShell Module 18->78 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        80 Tries to steal Mail credentials (via file / registry access) 24->80 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-05-29 03:00:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger 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
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
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
ece04990c944c877099c08374ec038906e2195c847db7231061bb5a1f51e392a
MD5 hash:
a5b7ad3f9be56ecb4577f17ed29bc191
SHA1 hash:
f3abcdf945c05b06e914b1e82377c16fbf26ae1a
SH256 hash:
ff55838cf83322ceab30a512da916f2821181007e95c8fa68674825df8c819b4
MD5 hash:
c9d09ec2449e60042cfc5222e0905ac9
SHA1 hash:
00f21d00230d6595f91ea5c990910f86bbfa44b1
SH256 hash:
3f70d39d82a39d0fe4a24792b17fc90dd9d1e3e415dc8cb1c87bc11fa1bc5ceb
MD5 hash:
524b90b34f378289dad065a6c905d93e
SHA1 hash:
1a114f2dae5b6303c605a1ae97b4742d80e8768c
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
3d09abf9e21dac3a9714099d5d2289c352fbc6c1db053b59142f2beb95cf61ad
MD5 hash:
5f92d5b904cd2cc359be9ed9f816b1a5
SHA1 hash:
e0e876e17d550cf7c2ee0413fa13dae36e504013
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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