MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d31f78ca870cb00d01149673057fa11f2d241d68debca8c85c8460bd775ae431. 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
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SHA256 hash: d31f78ca870cb00d01149673057fa11f2d241d68debca8c85c8460bd775ae431
SHA3-384 hash: 3bf644535bab3d9287da3ad337fbe7eaedf055d3a215883569741cd9e259681573ebaa121e6b3688e856c6627b65ecdb
SHA1 hash: 31499c5e0602f1c65f0e4b1ff813db52e1740660
MD5 hash: b8de77c470a05041b55e0a58c2ffafa5
humanhash: fix-don-low-yellow
File name:b8de77c470a05041b55e0a58c2ffafa5.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'090'560 bytes
First seen:2020-09-14 05:53:21 UTC
Last seen:2020-09-14 06:52:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a37dabab645e6a3a3647e1c3e0a095f3 (9 x MassLogger, 3 x AgentTesla, 1 x Loki)
ssdeep 24576:sBZbh/ffFxC/IyVXO4pKAowAHmE7OB3VgT:s5NaV+wOHmE7OB3VgT
Threatray 519 similar samples on MalwareBazaar
TLSH 1135BE23A2E04837D1B31A785C2B52B4983ABD3C3F3899466BECDD4C4F3965139653A7
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58948/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.34520560.13113.7276.UNOFFICIAL
Create hunting rule

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
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/465020
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284920 Sample: 7dfzXkwYzR.exe Startdate: 14/09/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected MassLogger RAT 2->55 57 5 other signatures 2->57 8 7dfzXkwYzR.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 13 notepad.exe 5 8->13         started        17 fbfjhss.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\Roaming\...\fbfjhss.exe, PE32 13->33 dropped 35 C:\Users\user\...\fbfjhss.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\win.vbs, ASCII 13->37 dropped 75 Creates files in alternative data streams (ADS) 13->75 77 Drops VBS files to the startup folder 13->77 19 fbfjhss.exe 13->19         started        79 Maps a DLL or memory area into another process 17->79 22 fbfjhss.exe 6 17->22         started        25 fbfjhss.exe 17->25         started        signatures7 process8 dnsIp9 59 Multi AV Scanner detection for dropped file 19->59 61 Detected unpacking (changes PE section rights) 19->61 63 Detected unpacking (creates a PE file in dynamic memory) 19->63 65 4 other signatures 19->65 27 fbfjhss.exe 15 6 19->27         started        31 fbfjhss.exe 19->31         started        39 54.225.195.221, 49737, 80 AMAZON-AESUS United States 22->39 41 nagano-19599.herokussl.com 22->41 43 2 other IPs or domains 22->43 signatures10 process11 dnsIp12 45 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.125.18, 49728, 80 AMAZON-AESUS United States 27->45 47 192.168.2.1 unknown unknown 27->47 49 2 other IPs or domains 27->49 73 Tries to steal Mail credentials (via file access) 27->73 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d31f78ca870cb00d01149673057fa11f2d241d68debca8c85c8460bd775ae431/
Threat name:
Win32.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2020-09-14 05:55:14 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2mpxrsuhbsya2aiuszzqk75bd4wsihli326krsc4qrql25224qyq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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MassLogger
2926c85cd65bf6dae21e2fd26f57285b0987b76f9dc1d6e33e19f95f96e0f09b
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36642a485593fe8180b9cce141253f97f59ab8322e6d93efbbbb856d09781870
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96f5d0a633c7459549d9d955db9c3977fea59a9a7469327ed44653d8ad4083a3
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9a4de17c9cdbd2dfc07b6095b7920ec95c37418d4f0ab6cbd8b2e72156423c0d
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d2702fb7486d03dab4633bf90d21b550fe27848b6263797eaa3d93393421af4a
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d402ac5a98fe1a739abee82fb4aa5264a03347b24f93812f808e645b809c36db
MassLogger
f7df41bb2f648ae746c4663406c0422d1e1cc3668915b127fd7da2b81794f377
MassLogger
+ 509 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Link:
https://tria.ge/reports/200914-84zvq4wtza/
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.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d31f78ca870cb00d01149673057fa11f2d241d68debca8c85c8460bd775ae431

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
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.

Web download

MassLogger

Executable exe d31f78ca870cb00d01149673057fa11f2d241d68debca8c85c8460bd775ae431

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/410917/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/58948/

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