MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 841121eea932bf572bdad61acc6921567ce6bf9f50c6135150c14d3dc0a8a451. 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: 841121eea932bf572bdad61acc6921567ce6bf9f50c6135150c14d3dc0a8a451
SHA3-384 hash: af75a4d096adbd6552e74c0a8d8a4ae8fb1e9b6782f8130ce029b2d5b213bb4974ba43b56b984fb911e7ceb392482383
SHA1 hash: 40a0a9d5a3fad66675004d9f505693d907467231
MD5 hash: c7ad323d7697f54733bc170cb18d6721
humanhash: cold-violet-jupiter-london
File name:ABU.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'177'088 bytes
First seen:2020-07-27 06:42:55 UTC
Last seen:2020-07-27 16:06:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f0b426c30c849bf2a18dc2e1e256eecc (5 x MassLogger, 3 x NanoCore, 1 x AgentTesla)
ssdeep 24576:pKW6h37jqrycL6yN3vtIok9G2B+rt8Dm+VgLu:pQxfuVL6yN3GokJMBpLu
Threatray 2'027 similar samples on MalwareBazaar
TLSH 6F45E1F2B2F04437C23326799C1B5768A83BBE10392968466BF52D4C5F39781396B2D7
Reporter JAMESWT_WT
Tags:MassLogger

Intelligence

File Origin
# of uploads :
3
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32667/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.62295.14295.9583.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Delf.FareIt.Gen.7.19731.7728.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
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Reading Telegram data
Reading critical registry keys
Moving a file to the %temp% subdirectory
Sending a custom TCP request
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/398280
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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
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 harvest and steal browser information (history, passwords, etc)
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: 251320 Sample: ABU.exe Startdate: 27/07/2020 Architecture: WINDOWS Score: 100 99 Multi AV Scanner detection for submitted file 2->99 101 Yara detected MassLogger RAT 2->101 103 Yara detected AntiVM_3 2->103 105 5 other signatures 2->105 12 ABU.exe 2->12         started        15 wscript.exe 1 2->15         started        process3 signatures4 129 Contains functionality to inject code into remote processes 12->129 131 Writes to foreign memory regions 12->131 133 Allocates memory in foreign processes 12->133 135 2 other signatures 12->135 17 notepad.exe 5 12->17         started        21 gtguihjky.exe 15->21         started        process5 file6 67 C:\Users\user\AppData\...\gtguihjky.exe, PE32 17->67 dropped 69 C:\Users\...\gtguihjky.exe:Zone.Identifier, ASCII 17->69 dropped 71 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 17->71 dropped 107 Creates files in alternative data streams (ADS) 17->107 109 Drops VBS files to the startup folder 17->109 23 gtguihjky.exe 17->23         started        111 Maps a DLL or memory area into another process 21->111 26 gtguihjky.exe 21->26         started        28 gtguihjky.exe 5 21->28         started        signatures7 process8 dnsIp9 117 Multi AV Scanner detection for dropped file 23->117 119 Detected unpacking (changes PE section rights) 23->119 121 Detected unpacking (creates a PE file in dynamic memory) 23->121 123 4 other signatures 23->123 31 gtguihjky.exe 23->31         started        33 gtguihjky.exe 15 6 23->33         started        37 gtguihjky.exe 26->37         started        81 54.225.191.113, 49736, 80 AMAZON-AESUS United States 28->81 83 nagano-19599.herokussl.com 28->83 85 3 other IPs or domains 28->85 39 WerFault.exe 28->39         started        signatures10 process11 dnsIp12 41 gtguihjky.exe 31->41         started        75 mail.privateemail.com 198.54.122.60, 49740, 49742, 49748 NAMECHEAP-NETUS United States 33->75 77 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 49735, 80 AMAZON-AESUS United States 33->77 79 2 other IPs or domains 33->79 113 Tries to steal Mail credentials (via file access) 33->113 44 WerFault.exe 33->44         started        115 Maps a DLL or memory area into another process 37->115 46 gtguihjky.exe 37->46         started        49 gtguihjky.exe 37->49         started        signatures13 process14 dnsIp15 125 Maps a DLL or memory area into another process 41->125 51 gtguihjky.exe 41->51         started        53 gtguihjky.exe 41->53         started        93 54.225.66.103, 49744, 80 AMAZON-AESUS United States 46->93 95 nagano-19599.herokussl.com 46->95 97 2 other IPs or domains 46->97 55 WerFault.exe 46->55         started        signatures16 process17 process18 57 gtguihjky.exe 51->57         started        signatures19 127 Maps a DLL or memory area into another process 57->127 60 gtguihjky.exe 57->60         started        65 gtguihjky.exe 57->65         started        process20 dnsIp21 87 174.129.214.20, 49743, 80 AMAZON-AESUS United States 60->87 89 nagano-19599.herokussl.com 60->89 91 3 other IPs or domains 60->91 73 C:\Users\user\AppData\Local\Temp\...\Log.txt, ASCII 60->73 dropped 137 Tries to harvest and steal browser information (history, passwords, etc) 60->137 file22 signatures23
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/841121eea932bf572bdad61acc6921567ce6bf9f50c6135150c14d3dc0a8a451/
Threat name:
Win32.Trojan.DelfFareIt
Create hunting rule
Status:
Malicious
First seen:
2020-07-27 06:43:26 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqisd3vjgk7vok622ynmy2jbkz6onp47kddbgukqyfgt3qfiuriq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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+ 2'017 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/200727-ywtmfljafa/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
Loads dropped DLL
Drops startup file
UPX packed file
Executes dropped EXE
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/841121eea932bf572bdad61acc6921567ce6bf9f50c6135150c14d3dc0a8a451

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 841121eea932bf572bdad61acc6921567ce6bf9f50c6135150c14d3dc0a8a451

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/412465/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/32667/

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