MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dfccb58237c909d29dc601aea9822b34c5c3cef803c755d9c49b81c7061a4c1. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 1dfccb58237c909d29dc601aea9822b34c5c3cef803c755d9c49b81c7061a4c1
SHA3-384 hash: d8eb579bf76c9076e6657f6d802b724a25531744efda42e05623098fe80f68d9cccaa14d567db17695b1d767a5de1f18
SHA1 hash: 9f6180dd60560b1f217b1a2b6c85f96d4a901009
MD5 hash: 51b487fbdce6f7acae5c4f5fb3a9e9ba
humanhash: cardinal-juliet-grey-angel
File name:51b487fbdce6f7acae5c4f5fb3a9e9ba.exe
Download: download sample
Signature MassLogger
File size:968'192 bytes
First seen:2020-07-29 07:38:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 24576:4fd8z4byilBdlGXO45EcqkTRNRle47RZkMz:4f8IN1QwcwOLX
Threatray 2'142 similar samples on MalwareBazaar
TLSH E225C062B2E14833D1A72E789C1B57649F3ABE102E3859452FEC1C7C5F3978134662AF
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
Reading Telegram data
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253228 Sample: mQFidQdhPA.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 40 g.msn.com 2->40 42 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->42 56 Yara detected MassLogger RAT 2->56 58 Yara detected AntiVM_3 2->58 60 Sigma detected: Drops script at startup location 2->60 62 3 other signatures 2->62 9 mQFidQdhPA.exe 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 72 Writes to foreign memory regions 9->72 74 Allocates memory in foreign processes 9->74 76 Queues an APC in another process (thread injection) 9->76 14 notepad.exe 5 9->14         started        18 dfghjjttr.exe 12->18         started        process6 file7 34 C:\Users\user\AppData\...\dfghjjttr.exe, PE32 14->34 dropped 36 C:\Users\...\dfghjjttr.exe:Zone.Identifier, ASCII 14->36 dropped 38 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 14->38 dropped 80 Creates files in alternative data streams (ADS) 14->80 82 Drops VBS files to the startup folder 14->82 20 dfghjjttr.exe 14->20         started        84 Maps a DLL or memory area into another process 18->84 23 dfghjjttr.exe 6 18->23         started        26 dfghjjttr.exe 18->26         started        signatures8 process9 dnsIp10 64 Detected unpacking (changes PE section rights) 20->64 66 Detected unpacking (creates a PE file in dynamic memory) 20->66 68 Detected unpacking (overwrites its own PE header) 20->68 70 4 other signatures 20->70 28 dfghjjttr.exe 15 6 20->28         started        32 dfghjjttr.exe 20->32         started        44 23.21.203.116, 49727, 80 AMAZON-AESUS United States 23->44 46 nagano-19599.herokussl.com 23->46 48 2 other IPs or domains 23->48 signatures11 process12 dnsIp13 50 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.191.113, 49721, 80 AMAZON-AESUS United States 28->50 52 nagano-19599.herokussl.com 28->52 54 api.ipify.org 28->54 78 Tries to steal Mail credentials (via file access) 28->78 signatures14
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-29 07:40:09 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: MapViewOfSection
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Drops startup file
Reads user/profile data of web browsers
UPX packed file
Executes dropped EXE
MassLogger log file
MassLogger
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: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.

Web download

MassLogger

Executable exe 1dfccb58237c909d29dc601aea9822b34c5c3cef803c755d9c49b81c7061a4c1

(this sample)

  
Delivery method
Distributed via web download

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