MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f08dc58f88fe30098a5589d459e409efb0d27c47fdefe2e1e602b01e2b177c95. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f08dc58f88fe30098a5589d459e409efb0d27c47fdefe2e1e602b01e2b177c95
SHA3-384 hash: b98d1818bb01a7e83b1890292fb800db9bdec6dd22a2cb2254ccdc0146fc921241ad5bd7d684112b8bebe6e597fbe0f6
SHA1 hash: 263f97a92434d6c6e670975a045b0e992782a5b3
MD5 hash: 9520382173e758f8abb102b8bd01eebe
humanhash: leopard-tango-fix-november
File name:9520382173e758f8abb102b8bd01eebe.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:953'856 bytes
First seen:2020-07-28 13:16:55 UTC
Last seen:2020-07-28 14:07:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 20e6d5abed83baa72fa27d4f775f9f3c (7 x AgentTesla, 5 x MassLogger, 1 x QuasarRAT)
ssdeep 24576:hcojK7LuBl6gNYoVVQy4/lhfh9uHdrrXd:hNkLAJzV14/VWprXd
Threatray 2'060 similar samples on MalwareBazaar
TLSH 4C15CF62B2E04D33D1E71A789F1BD754A839BE003A2B59466FE41C4C7F3938335692A7
Reporter abuse_ch
Tags:exe MassLogger


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

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/33666/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
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
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/400357
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
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
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
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 MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 252534 Sample: VGGvhGBJer.exe Startdate: 28/07/2020 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 VGGvhGBJer.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 67 Contains functionality to inject code into remote processes 8->67 69 Writes to foreign memory regions 8->69 71 Allocates memory in foreign processes 8->71 73 2 other signatures 8->73 13 notepad.exe 5 8->13         started        17 cfjfskrlefg.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\cfjfskrlefg.exe, PE32 13->33 dropped 35 C:\Users\...\cfjfskrlefg.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 cfjfskrlefg.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 cfjfskrlefg.exe 6 17->22         started        25 cfjfskrlefg.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 5 other signatures 19->65 27 cfjfskrlefg.exe 15 6 19->27         started        31 cfjfskrlefg.exe 19->31         started        39 54.225.191.113, 49729, 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 54.235.182.194, 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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f08dc58f88fe30098a5589d459e409efb0d27c47fdefe2e1e602b01e2b177c95/
Threat name:
Win32.Trojan.DataStealer
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 13:18:10 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6cg4ld4i7yyatcsvrhkftzaj56yne7ch7xx6fypgakyb4kyxpskq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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MassLogger
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8d1eb18ff38d288d20dc00e1b12d0e7589107c4cf1798f0e9bec81c81a334fe8
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MassLogger
+ 2'050 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/200728-4jl1xh211s/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: AddClipboardFormatListener
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
Executes dropped EXE
UPX packed file
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f08dc58f88fe30098a5589d459e409efb0d27c47fdefe2e1e602b01e2b177c95

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 f08dc58f88fe30098a5589d459e409efb0d27c47fdefe2e1e602b01e2b177c95

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/410920/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/33666/

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