MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4628c89109f5af8e4e6522f56ddb77abafd801fd38a48d61240987586b4b7dc8. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4628c89109f5af8e4e6522f56ddb77abafd801fd38a48d61240987586b4b7dc8
SHA3-384 hash: 30418d4b541ed0aea69d07072b19ab59141f9362b67c82055a5e5dccf2df7df1b4f10f8335b1c6a43b94f5097d6d4fa7
SHA1 hash: 446512300e8e41fe517b68257a0bdae8194caa5f
MD5 hash: 5099585c343b0b769fe39cc9f3cf376b
humanhash: vegan-music-xray-island
File name:5099585c343b0b769fe39cc9f3cf376b.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'705'472 bytes
First seen:2020-09-25 09:24:42 UTC
Last seen:2020-09-25 09:57:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:S8hijUtoBQWCKo0osWOZTU1te+xUZtuGchLfI8zEd/wP0l:S8hijUmfo1IZTU1c+xUZsHhLg8fY
Threatray 600 similar samples on MalwareBazaar
TLSH 7E85F0DC726072EFC89BD0729EA86C74EB1064BB831F5213942316ED9A4D887CF645F2
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.34568002.32394.14337.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/474924
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4628c89109f5af8e4e6522f56ddb77abafd801fd38a48d61240987586b4b7dc8/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-09-22 10:50:56 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iyumreij6wxy4ttfel2w3w3xvox5qap5hcsi2yjebgdvq22lpxea._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1d6159b26b3bf4e080949b2bb754b3f095b24a084e9d1693f598970cebcf754c
MassLogger
1eaff8168df5df270c3d844483f5b9b93075c1e0d6a8a5bc8e733d2c039a1fdb
MassLogger
5de3a91f516ff756b450155641e354aebc48ff4701721dde73ef1960bf955b94
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8d9935cd8f8d2e5f305b229f6992fbee9e4b5c4e6063568c5e150f51fa0f91b1
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b6425efa950d3d45e01f94cf2ea732148a6454a9ebd8b253d18e6f08ebc724e8
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d3b42cf65675502e58c7d5e967cec24716e389ccf9beeb8e2decc41913e57979
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da41f5d16a81585d67bb46beaffb4b5206601ec135a98e427dea347f3896f095
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ec9281b1e4cbbcb084368da146fd13f55d33aa8b7d8214cadbc0f6b707ef893f
MassLogger
fd8588b03212cad1e0f819f8ae68aee09c111f41821494eb4be0cd862b523454
MassLogger
fed11233078cad87ccd876c50e08453d3be0f8582e939d2c8890821c7819e86d
MassLogger
+ 590 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Link:
https://tria.ge/reports/200925-jqdnnnwlkj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
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
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Unpacked files
SH256 hash:
4628c89109f5af8e4e6522f56ddb77abafd801fd38a48d61240987586b4b7dc8
MD5 hash:
5099585c343b0b769fe39cc9f3cf376b
SHA1 hash:
446512300e8e41fe517b68257a0bdae8194caa5f
Link:
https://www.unpac.me/results/df67c64e-3215-4375-b525-edc2d6e1c584/
SH256 hash:
04aee74823779bf339419fe194d5f269ca831622cc3c2929e7ed10684f07164a
MD5 hash:
5f5604646b3cc099ed14c958f8ef292f
SHA1 hash:
4087469669ac113b5e2b24c7fdcfb8a8ba2dd3a1
Link:
https://www.unpac.me/results/df67c64e-3215-4375-b525-edc2d6e1c584/
SH256 hash:
76485409cb017a48f703d8a73e92a807317d284627a4b87a795f284da27fdb28
MD5 hash:
22b288aa906b7b3388fbd89ab79f2ece
SHA1 hash:
5335cbda006c009b2d7ece5532557c3008c1e2d6
Link:
https://www.unpac.me/results/df67c64e-3215-4375-b525-edc2d6e1c584/
SH256 hash:
7b823e3edc9fb963b422e9d5e70c5ca2d5b2facce90ec3facccd530d55cf5579
MD5 hash:
4f521c90f6f37bb5e5c21d4b0c0caee3
SHA1 hash:
d0d040f2ab70dd69082ae4da32b7cce61f3e2edf
Link:
https://www.unpac.me/results/df67c64e-3215-4375-b525-edc2d6e1c584/
SH256 hash:
33a7207394d7b6a713fbfc8dfa78cb746ffb8a3917760b2a932c3eeee4a9c99c
MD5 hash:
32ad8e9556ecb7f3963d7e2121503230
SHA1 hash:
d4b1d3fc6411b28a541190aa0e967f851a82bba4
Link:
https://www.unpac.me/results/df67c64e-3215-4375-b525-edc2d6e1c584/
SH256 hash:
8cb46c6ed62c3dcd8d5ff9ecb455843e72ceb7c72110b172ff4e6ac4d9451a34
MD5 hash:
8d77899cb399dc4c91eddb605eebbd3a
SHA1 hash:
f18f33cbc670c26fb78869326cee6e2ec6c69505
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/df67c64e-3215-4375-b525-edc2d6e1c584/
Parent samples :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 hash:
e290b31047444379674227aedbbd97372f8de9ebbb571326574f2994f1955153
MD5 hash:
55e5a0c6d775537e9151bd902e4b5f1e
SHA1 hash:
a13668d0b0b6e7ef9f353f2ff9fef8c71a9555a1
Link:
https://www.unpac.me/results/df67c64e-3215-4375-b525-edc2d6e1c584/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4628c89109f5af8e4e6522f56ddb77abafd801fd38a48d61240987586b4b7dc8

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 4628c89109f5af8e4e6522f56ddb77abafd801fd38a48d61240987586b4b7dc8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/65754/
  
URLhaus
https://urlhaus.abuse.ch/url/410810/
  
Delivery method
Distributed via web download

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