MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d. 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


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d
SHA3-384 hash: d411d092a71ee7920d145a5c1c51435c361464ffa480fe152af7c10bfa86ca50c95b3352f80ea1167ce93f1f0dd682e4
SHA1 hash: 9547ba9b31f81bc486b44725d7d90f14d6b693c9
MD5 hash: 35ca357195e9df3237072740c0934f38
humanhash: crazy-leopard-crazy-september
File name:9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d.bin
Download: download sample
Signature MassLogger
File size:525'824 bytes
First seen:2020-09-28 14:47:37 UTC
Last seen:2020-09-28 15:40:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:k385JsQbbCXl8o22wikYT0nNSZsWrK+9OhYnsRf0gbVcLYPnuKzIMljTwltaoFfG:+UsQal8o22kYTBup6nXg2Lu/lo+o9u
Threatray 246 similar samples on MalwareBazaar
TLSH 8CB48D147A65CA32C36C43B7D1C65E6C83B9C863D5F5EB4A398F52C6090338ACE46BD6
Reporter JAMESWT_WT
Tags:implant MassLogger

Intelligence


File Origin
# of uploads :
3
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Adding an access-denied ACE
Reading critical registry keys
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Machine Learning detection for sample
May check the online IP address of the machine
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 steal Mail credentials (via file access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.BMassKeyLogger
Status:
Malicious
First seen:
2020-09-28 14:44:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d
MD5 hash:
35ca357195e9df3237072740c0934f38
SHA1 hash:
9547ba9b31f81bc486b44725d7d90f14d6b693c9
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: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.

Comments