MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d5ef5eccb6e1598e4c3ccda198a61e58387ebba40398eb1d9262d1cab7dda06. 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 4 File information Comments

SHA256 hash: 1d5ef5eccb6e1598e4c3ccda198a61e58387ebba40398eb1d9262d1cab7dda06
SHA3-384 hash: 347b550691a5ab4384daf3ad5426216025c7d442a4c83f02f7e75763dc447b63c497f8b8b8e3f68cfcf836ab37542ada
SHA1 hash: 0ef72f9fd6833f7d6742630b24971ede6705daee
MD5 hash: ce56eddc76881b7c37e4aa54c1d10e51
humanhash: king-chicken-beer-shade
File name:201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe
Download: download sample
Signature MassLogger
File size:929'280 bytes
First seen:2020-12-10 11:06:36 UTC
Last seen:2020-12-10 12:31:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:GwqTdGflDm/lv9/COC3Wwe5S8xAISvwYoSFA:eZGt69l6O5g8xEvwY
Threatray 584 similar samples on MalwareBazaar
TLSH 3515BEAD365075DFC92BC876CAA82C64EA20747B930BD203A05715EDAA0DAD7DF141F3
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: mail.glassdrive.pt
Sending IP: 176.74.179.25
From: Freja Valdemar <frejavaldemar547@hotmail.com>
Reply-To: Freja Valdemar <swatil-bom5.vsnl@outlook.com>
Subject: FORSENDELSESDOKUMENTER FOR FORSENDELSE (BL, PAKNINGSLISTE & HANDELSFAKTURA)
Attachment: 201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12.7z (contains "201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
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
Reading critical registry keys
Enabling autorun by creating a file
Result
Verdict:
SUSPICIOUS
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
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 references suspicious native API functions
Adds a directory exclusion to Windows Defender
Binary contains a suspicious time stamp
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 329077 Sample: 201900000025-CONSIGNMENT-DO... Startdate: 10/12/2020 Architecture: WINDOWS Score: 100 31 g.msn.com 2->31 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 Yara detected MassLogger RAT 2->41 43 Yara detected AntiVM_3 2->43 45 11 other signatures 2->45 9 201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe 6 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\zGvupbQjgFAJ.exe, PE32 9->25 dropped 27 C:\Users\user\AppData\Local\...\tmpE938.tmp, XML 9->27 dropped 29 201900000025-CONSI...2020-12-12..exe.log, ASCII 9->29 dropped 47 Detected unpacking (changes PE section rights) 9->47 49 Detected unpacking (overwrites its own PE header) 9->49 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->51 53 Injects a PE file into a foreign processes 9->53 13 201900000025-CONSIGNMENT-DOCUMENTS-FOR-SHIPPING-GOODS-2020-12-12..exe 15 2 9->13         started        17 schtasks.exe 1 9->17         started        signatures6 process7 dnsIp8 33 elb097307-934924932.us-east-1.elb.amazonaws.com 184.73.247.141, 49720, 80 AMAZON-AESUS United States 13->33 35 nagano-19599.herokussl.com 13->35 37 api.ipify.org 13->37 55 Tries to steal Mail credentials (via file access) 13->55 57 Tries to harvest and steal browser information (history, passwords, etc) 13->57 59 Adds a directory exclusion to Windows Defender 13->59 19 powershell.exe 25 13->19         started        21 conhost.exe 17->21         started        signatures9 process10 process11 23 conhost.exe 19->23         started       
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2020-12-10 11:07:12 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Unpacked files
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
SH256 hash:
c6e6da3fc9ce01ed744d796e9a742ae3151f7d48a53bbbe6fb1b505d5b5b1da9
MD5 hash:
fe674cf6dab8eac1b29830a96cf2ea6f
SHA1 hash:
8aef4144306d836ffb7fa012ae53d099b1e46698
Detections:
win_masslogger_w0
SH256 hash:
3505d9db37f9593c51f4c838f3dd6d908fd26c0c579e31394b74b689692a9bdf
MD5 hash:
c6e23987b55f799f36bec44f2fb86d39
SHA1 hash:
b63ee8cbd9eafa16f38ba132f101dd387f183420
SH256 hash:
1d5ef5eccb6e1598e4c3ccda198a61e58387ebba40398eb1d9262d1cab7dda06
MD5 hash:
ce56eddc76881b7c37e4aa54c1d10e51
SHA1 hash:
0ef72f9fd6833f7d6742630b24971ede6705daee
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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:MassLogger
Author:kevoreilly
Description:MassLogger
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.

Malspam

MassLogger

Executable exe 1d5ef5eccb6e1598e4c3ccda198a61e58387ebba40398eb1d9262d1cab7dda06

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments