MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 989381c398448fcbf8c28f8971051ed6f5ee162e966562b6f156afc96a6e70f8. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 989381c398448fcbf8c28f8971051ed6f5ee162e966562b6f156afc96a6e70f8
SHA3-384 hash: a6480fc73dd83afc779f0a5231e7a1a47a16541a1b49adc6c3e536e88469e18ef5a57b956ebb4afdfaf8eb1eb1b21a2a
SHA1 hash: 94473104573b2bafca42beafd68c73ab47b527ca
MD5 hash: 16499b02f29daa24ac7ce9f38fea8871
humanhash: speaker-magnesium-alpha-fourteen
File name:16499b02f29daa24ac7ce9f38fea8871.exe
Download: download sample
Signature MassLogger
File size:1'389'056 bytes
First seen:2020-09-10 14:41:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 45840f814edda0042bedaf461a5fa81d (4 x AgentTesla, 4 x MassLogger)
ssdeep 24576:9f6i/qCkxpT62aLtL4neZyZukL523uwK8MCEetJ/YwwOTdFFOeiC+D8:95s13ZukL5CK8MCv/YwwOLe8
TLSH 3455D062B2E09873D2F2163D9C1B97B49836FD522E386B466BF4ED4C4E3864138352D7
Reporter abuse_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
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 in the %temp% subdirectories
Reading critical registry keys
Moving a file to the %temp% subdirectory
Sending a custom TCP request
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
.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
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 284076 Sample: s0QODegmJq.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 80 mail.privateemail.com 2->80 104 Multi AV Scanner detection for submitted file 2->104 106 Yara detected MassLogger RAT 2->106 108 Yara detected AntiVM_3 2->108 110 6 other signatures 2->110 14 s0QODegmJq.exe 2->14         started        17 wscript.exe 1 2->17         started        signatures3 process4 signatures5 130 Writes to foreign memory regions 14->130 132 Allocates memory in foreign processes 14->132 134 Queues an APC in another process (thread injection) 14->134 136 Contains functionality to detect sleep reduction / modifications 14->136 19 notepad.exe 5 14->19         started        23 bishfhks.exe 17->23         started        process6 file7 66 C:\Users\user\AppData\...\bishfhks.exe, PE32 19->66 dropped 68 C:\Users\...\bishfhks.exe:Zone.Identifier, ASCII 19->68 dropped 70 C:\Users\user\AppData\Roaming\...\win.vbs, ASCII 19->70 dropped 112 Creates files in alternative data streams (ADS) 19->112 114 Drops VBS files to the startup folder 19->114 25 bishfhks.exe 19->25         started        116 Maps a DLL or memory area into another process 23->116 28 bishfhks.exe 23->28         started        30 bishfhks.exe 23->30         started        signatures8 process9 signatures10 120 Multi AV Scanner detection for dropped file 25->120 122 Detected unpacking (changes PE section rights) 25->122 124 Detected unpacking (creates a PE file in dynamic memory) 25->124 126 4 other signatures 25->126 32 bishfhks.exe 15 7 25->32         started        36 bishfhks.exe 25->36         started        38 bishfhks.exe 28->38         started        process11 dnsIp12 74 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.195.221, 49721, 80 AMAZON-AESUS United States 32->74 76 nagano-19599.herokussl.com 32->76 78 api.ipify.org 32->78 100 Tries to steal Mail credentials (via file access) 32->100 102 Maps a DLL or memory area into another process 38->102 40 bishfhks.exe 38->40         started        42 bishfhks.exe 38->42         started        signatures13 process14 dnsIp15 45 bishfhks.exe 40->45         started        88 23.21.118.184, 49733, 80 AMAZON-AESUS United States 42->88 90 192.168.2.1 unknown unknown 42->90 92 3 other IPs or domains 42->92 48 WerFault.exe 42->48         started        process16 signatures17 128 Maps a DLL or memory area into another process 45->128 50 bishfhks.exe 45->50         started        52 bishfhks.exe 45->52         started        process18 dnsIp19 55 bishfhks.exe 50->55         started        82 54.235.182.194, 49749, 80 AMAZON-AESUS United States 52->82 84 nagano-19599.herokussl.com 52->84 86 2 other IPs or domains 52->86 58 WerFault.exe 52->58         started        process20 signatures21 118 Maps a DLL or memory area into another process 55->118 60 bishfhks.exe 55->60         started        64 bishfhks.exe 55->64         started        process22 dnsIp23 94 23.21.203.47, 49751, 80 AMAZON-AESUS United States 60->94 96 nagano-19599.herokussl.com 60->96 98 2 other IPs or domains 60->98 72 C:\Users\user\AppData\Local\Temp\...\Log.txt, ASCII 60->72 dropped file24
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2020-09-10 12:18:11 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
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.

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 989381c398448fcbf8c28f8971051ed6f5ee162e966562b6f156afc96a6e70f8

(this sample)

  
Delivery method
Distributed via web download

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