MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c901da217f2f663a6fbc5023c84165031ac1f12a9160305df218b011636a9a96. 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: c901da217f2f663a6fbc5023c84165031ac1f12a9160305df218b011636a9a96
SHA3-384 hash: e0b47530cab5ddeb22cc76fdaf9fd7578e5070fabaed0b00274214b141f4f7377975d4daef504c7ea0d85f7437e26ec0
SHA1 hash: 5f355e782e0179301ec23bf0037c2be90b2aa01b
MD5 hash: a63be1ca173c56ac3094e6b820ae3e46
humanhash: enemy-freddie-nineteen-foxtrot
File name:a63be1ca173c56ac3094e6b820ae3e46.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:990'720 bytes
First seen:2020-09-16 11:21:05 UTC
Last seen:2020-09-16 12:12:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 63d5d5e1ba3d09d269bbbd87e853a0d7 (7 x MassLogger, 5 x AgentTesla, 1 x NetWire)
ssdeep 12288:+9+UFSbzwd6xyFjH8H1NDNCqovrO4FBXzDylpDGym8/ZQ63rpcsBLG/nD86+p6:A+pbzwIxk4VdoqmFNXYiymibrptID89E
Threatray 549 similar samples on MalwareBazaar
TLSH 3D25D0E6F2E08837F1175E79DC0B93B8A819BE80295958463AE4ED4C9F3C791391E1D3
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
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
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/467743
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
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286289 Sample: H59g8cS37U.exe Startdate: 16/09/2020 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 6 other signatures 2->57 8 H59g8cS37U.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 hshkjfshsdd.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\hshkjfshsdd.exe, PE32 13->33 dropped 35 C:\Users\...\hshkjfshsdd.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\win.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 hshkjfshsdd.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 hshkjfshsdd.exe 17->22         started        25 hshkjfshsdd.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 hshkjfshsdd.exe 15 6 19->27         started        31 hshkjfshsdd.exe 19->31         started        39 23.21.125.18, 49718, 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, 49714, 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/c901da217f2f663a6fbc5023c84165031ac1f12a9160305df218b011636a9a96/
Threat name:
Win32.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-09-16 11:23:04 UTC
AV detection:
41 of 48 (85.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zea5uil7f5tdu354kar4qqlfamnmd4jksfqdaxpsdcybcy3ktkla._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
hawkeyekeylogger
Create hunting rule
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MassLogger
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MassLogger
+ 539 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Link:
https://tria.ge/reports/200916-g24wmgp8kj/
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/c901da217f2f663a6fbc5023c84165031ac1f12a9160305df218b011636a9a96

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 c901da217f2f663a6fbc5023c84165031ac1f12a9160305df218b011636a9a96

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/61940/
  
URLhaus
https://urlhaus.abuse.ch/url/410920/
  
Delivery method
Distributed via web download

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