MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5caf50c8907738643bd5648927c52306bf9177cb178065d1ee08590a0d37f0c9. 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: 5caf50c8907738643bd5648927c52306bf9177cb178065d1ee08590a0d37f0c9
SHA3-384 hash: 61176034f084bc4873b326b8e76f81bd6b899b5ad5fa7c641c9486b1681f2439f8e20323812058645e17a3ec410a0d3f
SHA1 hash: 643c0f418f5c5e53e079a710518814acc7e911c9
MD5 hash: 93432a3dd327449aad876325370d6daa
humanhash: spaghetti-shade-pluto-queen
File name:93432a3dd327449aad876325370d6daa.exe
Download: download sample
Signature MassLogger
File size:944'128 bytes
First seen:2020-08-05 14:02:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 89f9603ab119f487b36c91fab25c064e (8 x AgentTesla, 4 x Loki, 2 x MassLogger)
ssdeep 24576:+nczvIYl83a2LAe2o99i7a+o+tw9BBN9Xk:+mA22se2c07d5w9BB/k
Threatray 2'132 similar samples on MalwareBazaar
TLSH A515DF22A2F14933C1672B3DCC2B57B89929BE5129E894762FF81D4C5F3978139293D3
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 :
70
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 a UDP request
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
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 signatures2 2 Behavior Graph ID: 258020 Sample: p1yDsjnNaa.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Yara detected MassLogger RAT 2->53 55 Yara detected AntiVM_3 2->55 57 3 other signatures 2->57 8 p1yDsjnNaa.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 67 Writes to foreign memory regions 8->67 69 Allocates memory in foreign processes 8->69 71 Queues an APC in another process (thread injection) 8->71 73 Contains functionality to detect sleep reduction / modifications 8->73 13 notepad.exe 5 8->13         started        17 sjfhjjskfsf.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\sjfhjjskfsf.exe, PE32 13->33 dropped 35 C:\Users\...\sjfhjjskfsf.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 13->37 dropped 77 Creates files in alternative data streams (ADS) 13->77 79 Drops VBS files to the startup folder 13->79 19 sjfhjjskfsf.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 sjfhjjskfsf.exe 6 17->22         started        25 sjfhjjskfsf.exe 17->25         started        signatures7 process8 dnsIp9 59 Detected unpacking (changes PE section rights) 19->59 61 Detected unpacking (creates a PE file in dynamic memory) 19->61 63 Detected unpacking (overwrites its own PE header) 19->63 65 3 other signatures 19->65 27 sjfhjjskfsf.exe 15 6 19->27         started        31 sjfhjjskfsf.exe 19->31         started        39 23.21.126.66, 49729, 80 AMAZON-AESUS United States 22->39 41 192.168.2.1 unknown unknown 22->41 43 3 other IPs or domains 22->43 signatures10 process11 dnsIp12 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.195.221, 49726, 80 AMAZON-AESUS United States 27->45 47 nagano-19599.herokussl.com 27->47 49 api.ipify.org 27->49 75 Tries to steal Mail credentials (via file access) 27->75 signatures13
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-05 09:48:23 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
NTFS ADS
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Reads user/profile data of web browsers
Loads dropped DLL
UPX packed file
Executes dropped EXE
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 5caf50c8907738643bd5648927c52306bf9177cb178065d1ee08590a0d37f0c9

(this sample)

  
Delivery method
Distributed via web download

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