MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bcfa4551e66deea775dee52f97f9d5806d16441c0d82f045a16e49340313ee54. 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: 8
| SHA256 hash: | bcfa4551e66deea775dee52f97f9d5806d16441c0d82f045a16e49340313ee54 |
|---|---|
| SHA3-384 hash: | 65ac86ee39302f85a61df794d318f4c0d12956134c590143ad5379e0fdf58a4481922ffdc907f0055bddfac0a76cca3c |
| SHA1 hash: | c61bb4416061988ddcc0d41e55b3a04e01f39757 |
| MD5 hash: | 8063526d7783fc450efe538cbd15b1f0 |
| humanhash: | mockingbird-harry-bluebird-blue |
| File name: | 8063526d7783fc450efe538cbd15b1f0.exe |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'162'752 bytes |
| First seen: | 2020-11-09 13:39:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6cea15fcbfd6616496bbe80d9d9d0796 (26 x Loki, 25 x AgentTesla, 10 x ISRStealer) |
| ssdeep | 24576:KVMHwG0ON514iuyWEpajxyKMMgMcTPiAQWPkNAVnYreX:KVtGXrGi/hpajxypMFcT6BWsIJX |
| Threatray | 504 similar samples on MalwareBazaar |
| TLSH | 4335C022ADB18837C06336799C1B5B689F267F71392CA98627FD3D0F5F396413825293 |
| Reporter |  abuse_ch |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Reading critical registry keys
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
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 references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
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)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2020-11-09 13:37:09 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
masslogger
Similar samples:
+ 494 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger spyware stealer upx
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
UPX packed file
MassLogger
MassLogger Main Payload
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: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | masslogger_gcch |
|---|---|
| Author: | govcert_ch |
| Rule name: | Quasar_RAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| 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.
Web download
Delivery method
Distributed via web download
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