MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77
SHA3-384 hash: a5d1e7919fd90cee7f2cada19c951c135a40c3b9b890b39058f0d7610e5ec6e59731817a1aa9d72484e6ad04162c1678
SHA1 hash: 23a0b7c463d3682fa9a567b1f60b3943d44d3ef3
MD5 hash: b9ffffd93501391a2910e75c2ee0abe0
humanhash: earth-double-two-pizza
File name:Document,PDF.com
Download: download sample
Signature MassLogger
Create hunting rule
File size:780'672 bytes
First seen:2020-11-28 11:58:41 UTC
Last seen:2020-11-28 13:46:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:GsG35aqrhrIKesjHP+mK+ZTiK1cEddA9L/5t5ITI35TctUAR13x4fHaOh7:Gh5tpNWEddgL/5PtFwpB4faOh7
Threatray 1'116 similar samples on MalwareBazaar
TLSH 1FF41263AB4CE113D4C63D728FE6F2A76B71AEC35912850228CBF19D087E3E7584465E
Reporter sergedroz
Tags:MassLogger Masslogger rat


Avatar
sergedroz
Date: Sat, 28 Nov 2020 15:37:34 +0700
From: "HS SHIPPING CO.,LTD" <chlee@hsshipping.net>
To: logistics1@hsshipping.net
Subject: Shipment Document INVOICE#Ref-90392y
User-Agent: Roundcube Webmail/1.4.8
Message-ID: <27faf022556efee4bf375170ad0e42ac@hsshipping.net>
X-Sender: chlee@hsshipping.net

Intelligence

File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Masslogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/105928/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% subdirectories
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
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/550016
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 324117 Sample: Document,PDF.com Startdate: 28/11/2020 Architecture: WINDOWS Score: 96 37 nagano-19599.herokussl.com 2->37 39 elb097307-934924932.us-east-1.elb.amazonaws.com 2->39 41 api.ipify.org 2->41 59 Found malware configuration 2->59 61 Yara detected MassLogger RAT 2->61 63 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 2->63 65 6 other signatures 2->65 7 Document,PDF.exe 1 6 2->7         started        11 vlc.exe 3 2->11         started        13 vlc.exe 2 2->13         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->31 dropped 33 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\...\Document,PDF.exe.log, ASCII 7->35 dropped 67 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->67 69 Injects a PE file into a foreign processes 7->69 15 Document,PDF.exe 15 5 7->15         started        19 Document,PDF.exe 7->19         started        21 vlc.exe 14 5 11->21         started        23 vlc.exe 11->23         started        25 vlc.exe 11->25         started        27 vlc.exe 13->27         started        29 vlc.exe 13->29         started        signatures6 process7 dnsIp8 43 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.142.93, 49717, 80 AMAZON-AESUS United States 15->43 45 nagano-19599.herokussl.com 15->45 47 api.ipify.org 15->47 55 Tries to steal Mail credentials (via file access) 15->55 49 54.225.66.103, 49718, 80 AMAZON-AESUS United States 21->49 51 nagano-19599.herokussl.com 21->51 53 api.ipify.org 21->53 57 Tries to harvest and steal browser information (history, passwords, etc) 21->57 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77/
Threat name:
Win32.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2020-11-28 11:59:05 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6texn42yonrmme4kjxjqtkv7f3c4ghyox2mliymkf5jpcroojj3q._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
0e8c4ea04759257bb250d60f1a3b1988888044fd06ce2f9fccef81b047eee4bc
MassLogger
3e3acb1023d772ba35383feaf4fb7f2bde81e7565b88b3d7d5729812663af561
MassLogger
49406d04e4b7268279ea17e07bdb6e89c1d09b599b5afc2f9e95983db09125ef
MassLogger
62d9b3d45df47e2bb1c64913382a31a7a15989123b363593ca144a9113082408
MassLogger
a4d56971577536b2742d89e0ead542a8cd8818a798371d1cd04ec22b3931ec56
MassLogger
a8a2e34c6f491ba5d0f16899835630257c0124249fd1d0852b27e736b2a98b3d
MassLogger
c5216e025f487ad72623e702871432afa40739fc1d2b24fca4bcbd7f009d0064
MassLogger
e387e96aeb069a6060b78456f7cac7be958a23a617ef2b6adc6caf3db23ce8b4
MassLogger
e93cf93e8ff851cd540fa165166665bbb0f5bfd1103166686230e9cb810caa05
MassLogger
fa1dd731e06f5a7470f45a3f09f0b39d2e236d022c9a9d6e52828e8214c5893e
MassLogger
+ 1'106 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence ransomware spyware stealer
Link:
https://tria.ge/reports/201128-gl6k7y9nks/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Unpacked files
SH256 hash:
3b3e541682e48f3fd2872f85a06278da2f3e7877ee956da89b90d732a1eaa0bd
MD5 hash:
6ded8fcbf5f1d9e422b327ca51625e24
SHA1 hash:
8a1140cebc39f6994eef7e8de4627fb7b72a2dd9
Link:
https://www.unpac.me/results/0eab3d49-c6ed-4c72-8dba-2dfa611d88f5/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/0eab3d49-c6ed-4c72-8dba-2dfa611d88f5/
SH256 hash:
4116b16b5f3d3ef6fdaae0ecc91b1d50945a077f310fa9f5626a20eb006fe663
MD5 hash:
dca5c2e9d22edea4bc3c84174eb96d17
SHA1 hash:
a0b42ffe4d8ebc60685c53c1f5513f212f70ec46
Link:
https://www.unpac.me/results/0eab3d49-c6ed-4c72-8dba-2dfa611d88f5/
SH256 hash:
1e1da5a6c02a014de8d5d9ab88627eae852ec567a58ee96d357925688a272b5d
MD5 hash:
cb7e5acc1fd5015c272ca08a826c8ba1
SHA1 hash:
5a8842317778020ac09235477d0422e7cad2b8a0
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/0eab3d49-c6ed-4c72-8dba-2dfa611d88f5/
Parent samples :
8ab8448549ffa379c39811667a25d2e922c6ed440de7ceae541e76b06d315f47
c5216e025f487ad72623e702871432afa40739fc1d2b24fca4bcbd7f009d0064
a4d56971577536b2742d89e0ead542a8cd8818a798371d1cd04ec22b3931ec56
e93cf93e8ff851cd540fa165166665bbb0f5bfd1103166686230e9cb810caa05
f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77
SH256 hash:
f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77
MD5 hash:
b9ffffd93501391a2910e75c2ee0abe0
SHA1 hash:
23a0b7c463d3682fa9a567b1f60b3943d44d3ef3
Link:
https://www.unpac.me/results/0eab3d49-c6ed-4c72-8dba-2dfa611d88f5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77

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
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

Executable exe f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77

(this sample)

Joe
Joe Sandbox
https://www.joesandbox.com/analysis/550016
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/105928/

Comments