MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a990373e6225384bd1bab3441dc0cb881f1e03f51f83f7923ca6c9ff228bee5c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a990373e6225384bd1bab3441dc0cb881f1e03f51f83f7923ca6c9ff228bee5c
SHA3-384 hash: f6d9fb918c981af450898fcf594d56008b722d0db4cbd77e3593cb673d305db2bd6942fe30e9ef78b02bdb2188e852ba
SHA1 hash: 15b31342c749e7f29a94b121f6a2238ef2f79d2c
MD5 hash: b0a231c33688a2628600a3f01a43176b
humanhash: alpha-alanine-autumn-quiet
File name:Airline invoice details.bat
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'032'192 bytes
First seen:2020-08-08 08:20:08 UTC
Last seen:2020-08-08 08:54:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:FyQAYFjeBYhRTgszSIzZG9Idoc1ndNh66ztSxSq4g:FyI6ERsszNNOctd35
Threatray 666 similar samples on MalwareBazaar
TLSH FC25F15E316C9B9DF9804B3100FE620F6A6CE529FA53894E5633ED5A5B31E041EC3F68
Reporter abuse_ch
Tags:bat DHL MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: m.hostcho.com
Sending IP: 138.201.145.72
From: Anastacia Petrov <rimantas@brigantina.lt>
Subject: DHL Customer Information Form
Attachment: Airline invoice details.xz (contains "Airline invoice details.bat")

MassLogger SMTP exfil server:
mail.sbrenind.com:26

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42116/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.405.11281.12311.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/415785
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a990373e6225384bd1bab3441dc0cb881f1e03f51f83f7923ca6c9ff228bee5c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-08 08:22:30 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgidoptceu4exun2wncb3qglrapr4a7vd6b7per4u3e76iul5zoa._file
Verdict:
unknown
Similar samples:
322eeeb2b916b9cbced49b43ad579f100ede0dd79ae6cb115f764084ed0a3627
MassLogger
50529809a9b92f2b353e94a27b850f7be76f820c9a413a5968d686026936c133
MassLogger
5092d9ebc85e835f7ef16d20b935cf58cc52715c0cfdb88a2723d3a34f9b1526
MassLogger
58322659acfc21d063a2acb0d64ea2846d21ab2e256b0ae4f83646ff03bf2387
MassLogger
63f3c0c57169df7444e25fcfcc6626bc14d6e85dea12a1b6bb137e780f71cbb5
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983642426c54efb09b590e6f4344483d07b99a9e3a2551d504d4293183d701c3
MassLogger
a13424875703c2b22381b0f2db797498bca3ac5b677e2e30ae3441aeff6b9e0e
MassLogger
acf7a212615c205ab87f28d19c97bc50fb93d8568f3960b06d2174d1c28f355e
MassLogger
b3349406861e76bfb84f4757a646c3fe94eb5e1cd27abeeffa48aabb6c8fa4d5
MassLogger
c8c4219d39faa8c727e9905b5156f4bc71c4bfbb4c9495c8a80be7020cd4380f
MassLogger
+ 656 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Link:
https://tria.ge/reports/200808-gv2bsf4w3x/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a990373e6225384bd1bab3441dc0cb881f1e03f51f83f7923ca6c9ff228bee5c

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
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

zip 33581dc85054ce94427c974e3fc3131655ed0dc297949126e8ecbef1a90ce5ba

MassLogger

Executable exe a990373e6225384bd1bab3441dc0cb881f1e03f51f83f7923ca6c9ff228bee5c

(this sample)

  
Dropped by
MD5 e9d88bb417c91d2d75bcbf4c24d9f1d0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 33581dc85054ce94427c974e3fc3131655ed0dc297949126e8ecbef1a90ce5ba
Cape
Cape
https://www.capesandbox.com/analysis/42116/

Comments