MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 998197ce8013806ab8d6442aca63b44c1e9c85af665f73de0dc550a0352696d0. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: 998197ce8013806ab8d6442aca63b44c1e9c85af665f73de0dc550a0352696d0
SHA3-384 hash: 163f8d62d20b80fa8df066afc0865945ac3354ddfc8c3d87cc6506041c680787f7806c6cdf0520525a29e5e41bfea361
SHA1 hash: d5d2addb8e0650e9005fee873f5a3187bb056015
MD5 hash: 4fc7630e990cc192c3825d0857c59224
humanhash: east-fruit-eighteen-july
File name:QUOTATION-VM0043866.exe
Download: download sample
Signature MassLogger
File size:823'808 bytes
First seen:2025-05-27 14:07:34 UTC
Last seen:2025-05-28 08:34:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:sIGTFA29QfwZsgHTHq2JPx8ov4aIxuVPYAGmZt0cu/vdJH04e7:sJjTK2BGC4aIUdYAG8ir/vdJpe
Threatray 177 similar samples on MalwareBazaar
TLSH T11E05F92530EB1256C436E7F30BEBF9B687BEF532512DF539299322C647A1F019982136
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 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
503
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION-VM0043866.exe
Verdict:
Malicious activity
Analysis date:
2025-05-27 14:10:24 UTC
Tags:
snake keylogger evasion stealer

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

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
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
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
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated 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 contains very large strings
.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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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: 1699878 Sample: QUOTATION-VM0043866.exe Startdate: 27/05/2025 Architecture: WINDOWS Score: 100 55 reallyfreegeoip.org 2->55 57 grupocasagrende.com 2->57 59 2 other IPs or domains 2->59 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->73 77 13 other signatures 2->77 8 QUOTATION-VM0043866.exe 7 2->8         started        12 VSIkscfpHN.exe 5 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 75 Tries to detect the country of the analysis system (by using the IP) 55->75 process4 dnsIp5 41 C:\Users\user\AppData\...\VSIkscfpHN.exe, PE32 8->41 dropped 43 C:\Users\...\VSIkscfpHN.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpC7A7.tmp, XML 8->45 dropped 47 C:\Users\user\...\QUOTATION-VM0043866.exe.log, ASCII 8->47 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Adds a directory exclusion to Windows Defender 8->81 83 Injects a PE file into a foreign processes 8->83 17 QUOTATION-VM0043866.exe 15 2 8->17         started        21 powershell.exe 23 8->21         started        23 schtasks.exe 1 8->23         started        25 svchost.exe 8->25         started        85 Multi AV Scanner detection for dropped file 12->85 87 Uses threadpools to delay analysis 12->87 27 VSIkscfpHN.exe 12->27         started        29 schtasks.exe 12->29         started        31 VSIkscfpHN.exe 12->31         started        61 127.0.0.1 unknown unknown 14->61 file6 signatures7 process8 dnsIp9 49 grupocasagrende.com 216.252.233.8, 49691, 49692, 587 SATLYNX_AGCZ Switzerland 17->49 51 checkip.dyndns.com 193.122.6.168, 49684, 49687, 80 ORACLE-BMC-31898US United States 17->51 53 reallyfreegeoip.org 104.21.80.1, 443, 49685, 49688 CLOUDFLARENETUS United States 17->53 63 Loading BitLocker PowerShell Module 21->63 33 conhost.exe 21->33         started        35 WmiPrvSE.exe 21->35         started        37 conhost.exe 23->37         started        65 Tries to steal Mail credentials (via file / registry access) 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 39 conhost.exe 29->39         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-05-27 11:40:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
30 of 37 (81.08%)
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 behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Unpacked files
SH256 hash:
998197ce8013806ab8d6442aca63b44c1e9c85af665f73de0dc550a0352696d0
MD5 hash:
4fc7630e990cc192c3825d0857c59224
SHA1 hash:
d5d2addb8e0650e9005fee873f5a3187bb056015
SH256 hash:
a4002a41088aba3178c8779a4388f40896543f0d5694562729e66f5e4dd899fd
MD5 hash:
6e0c8d849a1ae2b9cfa9ea70e7a0cd57
SHA1 hash:
24a5e2eea493aafd31f48b0b93e534aaf757db4f
SH256 hash:
6daca788db52a775c7e4d1d2199c142b67a48d3742cb886195f3d3ea95c3e019
MD5 hash:
d2d3094e0cb4f38cf1dedcfcd4c1bcef
SHA1 hash:
9628cc73fffe4a5b9caa46b38b5b665eef197cdc
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
65274c899fc943ab3c1a1d0b1a90d6840fec6bb7da93a1106da4b585c4f72a39
MD5 hash:
60d8c3c5ac1c8b655db2532a2c33af19
SHA1 hash:
ab917d792fd45d8a027e5cba32213bf36bee2da1
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Malware family:
MassLogger
Verdict:
Malicious
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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

File information


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

Malspam

MassLogger

Executable exe 998197ce8013806ab8d6442aca63b44c1e9c85af665f73de0dc550a0352696d0

(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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