MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c275838c21fb95937bac4d383e415c16170a5fa05706c1f1939020beac90f2f9. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: c275838c21fb95937bac4d383e415c16170a5fa05706c1f1939020beac90f2f9
SHA3-384 hash: 8199a7849f13b5d53bd3b7408cddfd2922653825e1cc54c5e77067381b342bbff5e3b4a089c29ab13a7fb5b7b819d838
SHA1 hash: 8505ac5672044e622bc6723b0f744c418cb6599a
MD5 hash: 0956ac30bf36b3ec07b9a58a8c4cb1c4
humanhash: indigo-nebraska-march-oxygen
File name:COT.1062.UGTO.JOSE LUIS NAVA.pdf.exe
Download: download sample
Signature MassLogger
File size:1'035'264 bytes
First seen:2020-10-21 08:08:32 UTC
Last seen:2020-10-21 08:56:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:iBuHjw1PDIQmgTNVtpzoHRzGw490mAu2LBN:iBuHk1PDIQm4ptrzhEB
Threatray 374 similar samples on MalwareBazaar
TLSH CB25F12122989B25E5F963381F20D17023F5ED2AE3A2D54A3DE57C9F39BEF430561722
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: host.digitrafico.mx
Sending IP: 209.59.151.64
From: KEM Guanajuato <ventas1@flexijuntas.com.mx>
Reply-To: KEM Guanajuato <officejb01@mail.com>
Subject: COTIZACIÓN 1062
Attachment: COT.1062.UGTO.JOSE LUIS NAVA.pdf.gz (contains "COT.1062.UGTO.JOSE LUIS NAVA.pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: 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)
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:
2020-10-20 20:10:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Unpacked files
SH256 hash:
c275838c21fb95937bac4d383e415c16170a5fa05706c1f1939020beac90f2f9
MD5 hash:
0956ac30bf36b3ec07b9a58a8c4cb1c4
SHA1 hash:
8505ac5672044e622bc6723b0f744c418cb6599a
SH256 hash:
4322743fc9261f8ac64a31481dce3d3072ce586d3d8da7996c93d9a9858162fa
MD5 hash:
cc144c1adc6f36f930e08cd85235b3d2
SHA1 hash:
9e132a59ca328565380119bf6a555d5001b27417
SH256 hash:
6f787f3996de5be8dea8db55731910021952c47476ced479be6234b397a3d6e2
MD5 hash:
7af14151bc2380ac6dcfbbf6767c2fc1
SHA1 hash:
9e1534bc688372eb83cfcccf5dab48e69cecfcaf
Detections:
win_masslogger_w0
SH256 hash:
30bb6b1c0785faedba1c201f8899ffdae9f023c40586013aaaca9b55e60ca3bd
MD5 hash:
b66b02896b4decd4c6e30140534e7ba9
SHA1 hash:
b6fc81168b9fb5c46a8ac284a485fb0f087901ea
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe c275838c21fb95937bac4d383e415c16170a5fa05706c1f1939020beac90f2f9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments