MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aeb6ea1657f98df189191a52f638937d0a2379dfa7406bd05f88c9afc965de31. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aeb6ea1657f98df189191a52f638937d0a2379dfa7406bd05f88c9afc965de31
SHA3-384 hash: 6fea2b14fe7c82f23df8aa460e03abfee0602c96db8ad5846753ddd47fc25dfbacce87b02a32f9825efef42c260b91b6
SHA1 hash: fa800cd7931827f27de4d501e28de0923b0df123
MD5 hash: 405caf39727d3a92200815ef9c8af7ce
humanhash: early-wisconsin-stairway-west
File name:DHL EXPRESS - AWB Numero 06785388011- CONSEGNA DI SPEDIZIONE ORIGINALE.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:856'064 bytes
First seen:2020-11-09 15:42:15 UTC
Last seen:Never
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:RB0jJG94uvrRgGMCvSaD6Vr9bS4RIGt/nE7a5m18:uJG94uvrRgGvkr9/trM
Threatray 491 similar samples on MalwareBazaar
TLSH 540501777541B98FF6178C77D8903F346E606C3B8B02E25A789B31A9183928ACE055FD
Reporter abuse_ch
Tags:DHL exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: server.linux73.papaki.gr
Sending IP: 88.99.160.173
From: DHL Customer Support <support@dhl.com>
Reply-To: DHL Customer Support <swatil-bom5.vsnl@outlook.com>
Subject: DHL EXPRESS - AWB Numero: 06785388011- CONSEGNA DI SPEDIZIONE ORIGINALE
Attachment: DHL EXPRESS - AWB Numero 06785388011- CONSEGNA DI SPEDIZIONE ORIGINALE.7z (contains "DHL EXPRESS - AWB Numero 06785388011- CONSEGNA DI SPEDIZIONE ORIGINALE.exe")

MassLogger SMTP exfil server:
mail.prestamil.com.mx:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Reading critical registry keys
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/526580
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
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312379 Sample: DHL EXPRESS - AWB Numero 06... Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 37 Multi AV Scanner detection for dropped file 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 12 other signatures 2->43 8 DHL EXPRESS - AWB Numero 06785388011- CONSEGNA DI SPEDIZIONE ORIGINALE.exe 6 2->8         started        process3 file4 25 C:\Users\user\AppData\...\miYAibOZwIF.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\...\tmp9A16.tmp, XML 8->27 dropped 29 DHL EXPRESS - AWB ...E ORIGINALE.exe.log, ASCII 8->29 dropped 11 DHL EXPRESS - AWB Numero 06785388011- CONSEGNA DI SPEDIZIONE ORIGINALE.exe 15 2 8->11         started        15 schtasks.exe 1 8->15         started        17 DHL EXPRESS - AWB Numero 06785388011- CONSEGNA DI SPEDIZIONE ORIGINALE.exe 8->17         started        process5 dnsIp6 31 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 49724, 80 AMAZON-AESUS United States 11->31 33 nagano-19599.herokussl.com 11->33 35 api.ipify.org 11->35 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 49 Adds a directory exclusion to Windows Defender 11->49 19 powershell.exe 25 11->19         started        21 conhost.exe 15->21         started        signatures7 process8 process9 23 conhost.exe 19->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aeb6ea1657f98df189191a52f638937d0a2379dfa7406bd05f88c9afc965de31/
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 07:44:04 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v23oufsx7gg7dcizdjjpmoetpufcg6o7u5agxuc7rde27slf3yyq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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MassLogger
+ 481 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Link:
https://tria.ge/reports/201109-73bqbt2ts6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aeb6ea1657f9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aeb6ea1657f98df189191a52f638937d0a2379dfa7406bd05f88c9afc965de31

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
Create hunting rule
Author:kevoreilly
Description:MassLogger
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 e37e73b434cfe20c71ac9b74ae2a08cfcda845d4e692e9922a57847cd7aa527e

MassLogger

Executable exe aeb6ea1657f98df189191a52f638937d0a2379dfa7406bd05f88c9afc965de31

(this sample)

  
Dropped by
MD5 b8907d524b9f38f7536a3a43d9aaff4c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e37e73b434cfe20c71ac9b74ae2a08cfcda845d4e692e9922a57847cd7aa527e

Comments