MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4fe6f0c6283425f0589192cad9f392ce4d2bbfe085b8cc47b91eb2508c6ab2c7. 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: | 4fe6f0c6283425f0589192cad9f392ce4d2bbfe085b8cc47b91eb2508c6ab2c7 |
|---|---|
| SHA3-384 hash: | 7904d6be00a36892d1f0c03ff16baf1e0bfc07bbad10ee06b919700b0548bf4b0389129fc8941f2e196c13b2252cc113 |
| SHA1 hash: | 8e7b2c8812993837408c1beda18349869ec6292e |
| MD5 hash: | ed692baa179d0637827bded64d462396 |
| humanhash: | green-uniform-mobile-summer |
| File name: | Alhammra RFQ 005-0111.PDF.exe |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'208'320 bytes |
| First seen: | 2020-11-06 07:23:35 UTC |
| Last seen: | 2020-11-06 08:43:14 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:S9Vpuw/R5Pfjv470By6y9dj54YJEZ+XQlA0RtZNr03Qsf:c/7gII5j53JO+glXt0gw |
| Threatray | 493 similar samples on MalwareBazaar |
| TLSH | 7245D0FA6282E76BC40F003FF84B256193D9DB6E59F8804697C5B51D127C6CE66BC08B |
| Reporter |  abuse_ch |
| Tags: | exe MassLogger |
abuse_ch
Malspam distributing MassLogger:HELO: whmsrv01.virtualariki.com.br
Sending IP: 177.11.209.2
From: Miguel Alonso <malonso@alhammra.com>
Subject: Alhammra Request for Quotation
Attachment: Alhammra RFQ 005-0111.PDF.r00 (contains "Alhammra RFQ 005-0111.PDF.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Launching a process
Reading critical registry keys
Setting a global event handler for the keyboard
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-11-06 05:27:01 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
masslogger
Similar samples:
+ 483 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger persistence spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
4fe6f0c6283425f0589192cad9f392ce4d2bbfe085b8cc47b91eb2508c6ab2c7
MD5 hash:
ed692baa179d0637827bded64d462396
SHA1 hash:
8e7b2c8812993837408c1beda18349869ec6292e
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
7788d06b5c2d22b6adaca45d3a9e8a664ec1757865844612b73d4c9e68edfb89
MD5 hash:
49e12efa45919f5baeeb43f2e68e773d
SHA1 hash:
4e73a5b57f3641f170e34ef68c388d0c7469a82c
SH256 hash:
b07eb1b18052fe02e2dee07f5d65bbb906163a364690bdbeb599d64882a49c61
MD5 hash:
4bf951387d15470b044fa63427cd03aa
SHA1 hash:
f582cfc299b4a63ea7cbcdd6e61fb39020c326c0
Detections:
win_masslogger_w0
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.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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