MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b164d28e3519db34d82b889bc923d06fc8f5b33dbdec005ee35361cf45910df5. 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: b164d28e3519db34d82b889bc923d06fc8f5b33dbdec005ee35361cf45910df5
SHA3-384 hash: 90845d7ba9dde81c72c21efdb34d4ab61cc8c0319101379f26ec8f40e8fbc3e3294a56823408de11eea419c5273286b9
SHA1 hash: 52d14210b66b0bdf20c581436f7c88613a3cac41
MD5 hash: 987126eca388d063258f341c497da61e
humanhash: florida-quebec-romeo-delta
File name:987126eca388d063258f341c497da61e.exe
Download: download sample
Signature MassLogger
File size:1'094'144 bytes
First seen:2020-09-14 05:53:13 UTC
Last seen:2020-09-14 06:52:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a37dabab645e6a3a3647e1c3e0a095f3 (9 x MassLogger, 3 x AgentTesla, 1 x Loki)
ssdeep 24576:EBZbh/ffFxC/IyVrIPaaalbdRajR86g9rUiGh:E5NaVrsOljU8R6h
Threatray 518 similar samples on MalwareBazaar
TLSH 0E35BF2EA6E04837D1B326385C2B57B4983ABD313F3899466BECDC4C4F3965039653A7
Reporter abuse_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
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 by creating a file
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
Found malware configuration
Maps a DLL or memory area into another process
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)
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284917 Sample: pC4fAWg5Wo.exe Startdate: 14/09/2020 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected MassLogger RAT 2->58 60 5 other signatures 2->60 8 pC4fAWg5Wo.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 dnsIp4 70 Writes to foreign memory regions 8->70 72 Allocates memory in foreign processes 8->72 74 Queues an APC in another process (thread injection) 8->74 76 Contains functionality to detect sleep reduction / modifications 8->76 14 notepad.exe 5 8->14         started        46 192.168.2.1 unknown unknown 11->46 18 fbfjhss.exe 11->18         started        signatures5 process6 file7 34 C:\Users\user\AppData\Roaming\...\fbfjhss.exe, PE32 14->34 dropped 36 C:\Users\user\...\fbfjhss.exe:Zone.Identifier, ASCII 14->36 dropped 38 C:\Users\user\AppData\Roaming\...\win.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 fbfjhss.exe 14->20         started        84 Maps a DLL or memory area into another process 18->84 23 fbfjhss.exe 6 18->23         started        26 fbfjhss.exe 18->26         started        signatures8 process9 dnsIp10 62 Multi AV Scanner detection for dropped file 20->62 64 Detected unpacking (changes PE section rights) 20->64 66 Detected unpacking (creates a PE file in dynamic memory) 20->66 68 4 other signatures 20->68 28 fbfjhss.exe 15 6 20->28         started        32 fbfjhss.exe 20->32         started        40 23.21.125.18, 49745, 80 AMAZON-AESUS United States 23->40 42 nagano-19599.herokussl.com 23->42 44 2 other IPs or domains 23->44 signatures11 process12 dnsIp13 48 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.109.69, 49736, 80 AMAZON-AESUS United States 28->48 50 nagano-19599.herokussl.com 28->50 52 api.ipify.org 28->52 78 Tries to steal Mail credentials (via file access) 28->78 signatures14
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2020-09-14 05:55:12 UTC
File Type:
PE (Exe)
Extracted files:
85
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
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
MassLogger
MassLogger log file
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 b164d28e3519db34d82b889bc923d06fc8f5b33dbdec005ee35361cf45910df5

(this sample)

  
Delivery method
Distributed via web download

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