MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4efd69650a6654537a07b5e0e329281da26ca7da81a8f8c1fbcfa535fec76c50. 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: 11
| SHA256 hash: | 4efd69650a6654537a07b5e0e329281da26ca7da81a8f8c1fbcfa535fec76c50 |
|---|---|
| SHA3-384 hash: | a164dbee547b9beb708f49d38212e2bfe695bf677a3a1d2fcd6e283fa77d853b4b310f73247eb83f94047407c5bd240f |
| SHA1 hash: | 00e823bed302a98dc71b9023f86da0ebe5887a0d |
| MD5 hash: | b43ad20ad05a2ee6f1dacbd714c23a64 |
| humanhash: | steak-sweet-oklahoma-october |
| File name: | SecuriteInfo.com.generic.ml.26736 |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'273'344 bytes |
| First seen: | 2020-11-03 06:57:29 UTC |
| Last seen: | 2020-11-03 13:34:05 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:doaAYpJrpuO4XVSBSqrb6HT7i+1UN6aWx/zY3H7f9f/sf:605H5ZrWT7bhaW6TNw |
| Threatray | 438 similar samples on MalwareBazaar |
| TLSH | E845D0F6A286E76AC40F003FF84B256193C9CB2D9AFC904647D9F519137C6CE56AC48B |
| Reporter |  SecuriteInfoCom |
| Tags: | MassLogger |
Intelligence
File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Masslogger
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Binary contains a suspicious time stamp
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2020-11-03 06:59:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
masslogger
Similar samples:
+ 428 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
persistence family:masslogger spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
4efd69650a6654537a07b5e0e329281da26ca7da81a8f8c1fbcfa535fec76c50
MD5 hash:
b43ad20ad05a2ee6f1dacbd714c23a64
SHA1 hash:
00e823bed302a98dc71b9023f86da0ebe5887a0d
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
c6e6da3fc9ce01ed744d796e9a742ae3151f7d48a53bbbe6fb1b505d5b5b1da9
MD5 hash:
fe674cf6dab8eac1b29830a96cf2ea6f
SHA1 hash:
8aef4144306d836ffb7fa012ae53d099b1e46698
Detections:
win_masslogger_w0
SH256 hash:
65e8cf7c6bdb572d40a67c4327ca6ff8ea69df838c2ffb9ccdae2331a9192b57
MD5 hash:
57775c388513fa18f8178164ca36eaa3
SHA1 hash:
9d3e3c3eeffc6678d735cefe0abf53a6558cdb16
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
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: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | masslogger_gcch |
|---|---|
| Author: | govcert_ch |
| 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.
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