MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d49d19147bf73fe690b7f927c622f15aebd9afd1990be6c5754e0833f341d79. 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 16 File information Comments

SHA256 hash: 2d49d19147bf73fe690b7f927c622f15aebd9afd1990be6c5754e0833f341d79
SHA3-384 hash: 983690db6a8299cd8515a930a590b59462af38b57187369ff8a609c06bd901ab16d81c748a71e55b48c8afe98e7c6777
SHA1 hash: b6cb747531d5d9bb54fcd99827bf062c488143ea
MD5 hash: ccb0ff75a17fc69575e675b0294a5c25
humanhash: fruit-papa-dakota-avocado
File name:Invoice.com
Download: download sample
Signature MassLogger
File size:1'254'912 bytes
First seen:2025-04-19 09:39:42 UTC
Last seen:2025-05-09 13:12:13 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 24576:Rpyv04q4/vEy67i+ytJ85cUjVpEUjZZQ3BBT:nyvPhXEy6i+ytXUjfEiZZQ3vT
Threatray 4'036 similar samples on MalwareBazaar
TLSH T114459D02F2CAEC95D0061272D87EE534260DF749A2BBCD1A3A1E76B555A33E33417E0E
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 d480aa8e96968ed8 (20 x AgentTesla, 15 x SnakeKeylogger, 13 x MassLogger)
Reporter smica83
Tags:exe HUN MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
560
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.com
Verdict:
Malicious activity
Analysis date:
2025-04-19 09:41:05 UTC
Tags:
snake keylogger evasion stealer auto-startup ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
gensteal autorun virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy masquerade net_reactor obfuscated packed packed packer_detected
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669109 Sample: Invoice.com.exe Startdate: 19/04/2025 Architecture: WINDOWS Score: 100 27 reallyfreegeoip.org 2->27 29 checkip.dyndns.org 2->29 31 checkip.dyndns.com 2->31 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 45 12 other signatures 2->45 8 Invoice.com.exe 5 2->8         started        12 wscript.exe 1 2->12         started        signatures3 43 Tries to detect the country of the analysis system (by using the IP) 27->43 process4 file5 23 C:\Users\user\AppData\Roaming\Default.exe, PE32 8->23 dropped 25 C:\Users\user\AppData\Roaming\...\Default.vbs, ASCII 8->25 dropped 51 Drops VBS files to the startup folder 8->51 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->53 14 InstallUtil.exe 15 2 8->14         started        55 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->55 18 Default.exe 2 12->18         started        signatures6 process7 dnsIp8 33 checkip.dyndns.com 158.101.44.242, 49689, 49694, 80 ORACLE-BMC-31898US United States 14->33 35 reallyfreegeoip.org 104.21.32.1, 443, 49691, 49695 CLOUDFLARENETUS United States 14->35 57 Tries to steal Mail credentials (via file / registry access) 14->57 59 Multi AV Scanner detection for dropped file 18->59 20 InstallUtil.exe 2 18->20         started        signatures9 process10 signatures11 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49
Threat name:
Win32.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-04-19 03:14:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8136617573:AAGlljZMQ8u9tcHA-LI---FUDMJzNiMdY-c/sendMessage?chat_id=8099938407
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
2d49d19147bf73fe690b7f927c622f15aebd9afd1990be6c5754e0833f341d79
MD5 hash:
ccb0ff75a17fc69575e675b0294a5c25
SHA1 hash:
b6cb747531d5d9bb54fcd99827bf062c488143ea
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
d866afdae5de4670a2565e5d3e717e23eafbce6fc11886cca9492cbc538bbb86
MD5 hash:
6ccd1a3f7139ac109d72c7920a8eadc7
SHA1 hash:
6a85e16600642d0928aace08b55bd24d4d3b51ff
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
50cc53cac9b00b28eeee3fd161d41e8cb2e77bc21a6906f580a7d74e825114cc
MD5 hash:
ac3ec57a82d0d16e8a1804e023b2d2ed
SHA1 hash:
7a56aceb4ef2a802959d3b5b6a4c14f6b9a32556
SH256 hash:
34c4bdd8c90583b9a6de1108a6acbe0504141518e6893dc9e156b4876aa237ec
MD5 hash:
eb9b1264b4475580602eb1b0eb68b31d
SHA1 hash:
eae480b8581d1e098c50c5effcec4272c88c1074
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_masslogger_w0
Author:govcert_ch

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

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