MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 367c31b38577406fec107ed639cc6503710de53d8326b92504fd3919105ffce9. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 367c31b38577406fec107ed639cc6503710de53d8326b92504fd3919105ffce9
SHA3-384 hash: 91b1ffaade3745c3318e46b452f90dba4b2e31018197a27f20911b1f032f9cd78dcdd882623fe13de2d71904d3c8be3b
SHA1 hash: 736ab206d9bba71557069b42b05b7615b28e5b0f
MD5 hash: e04ea3820e1699eb0cce1ddb55b91327
humanhash: beryllium-sink-nitrogen-march
File name:doc000643665764.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'520'128 bytes
First seen:2020-07-30 10:04:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:S2DAVMGKo5VpuZZfaXr4bHCmx2+wZFPpWAjRBhMEFNEJixKR6w8:SmA/uZZfa+Cmw+whWA3DFNEwxU
Threatray 744 similar samples on MalwareBazaar
TLSH 43652B3638C24514C53416758068DAE276E17F4A3B22C76EE1EB0B4B7E02B6F7B461DE
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: i2k2.com
Sending IP: 212.114.52.213
From: Saurabh Gour <saurabh.gour@i2k2.com>
Reply-To: Saurabh Gour <saurabh.gour@i2k2.com>
Subject: Order No. DOC/00064/2020
Attachment: doc000643665764.r00 (contains "doc000643665764.exe")

MassLogger SMTP exfil server:
mail.ziv-investment.com:26

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35452/
Detection(s):
SecuriteInfo.com.Generic.mg.e04ea3820e1699eb.21326.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/403485
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Creates executable files without a name
May use the Tor software to hide its network traffic
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253971 Sample: doc000643665764.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 64 32 Yara detected MassLogger RAT 2->32 34 .NET source code contains very large array initializations 2->34 36 May use the Tor software to hide its network traffic 2->36 7 doc000643665764.exe 7 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 26 C:\Users\user\Desktop\.exe, PE32 7->26 dropped 28 C:\Users\user\...\doc000643665764.exe.log, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 7->30 dropped 40 Creates executable files without a name 7->40 15 cmd.exe 1 7->15         started        17 .exe 2 7->17         started        19 .exe 3 11->19         started        signatures5 process6 process7 21 reg.exe 1 1 15->21         started        24 conhost.exe 15->24         started        signatures8 38 Creates an autostart registry key pointing to binary in C:\Windows 21->38
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/367c31b38577406fec107ed639cc6503710de53d8326b92504fd3919105ffce9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 10:06:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gz6ddm4fo5ag73aqp3ldttdfanyq3zj5qmtlsjie7u4rsec77tuq._file
Verdict:
malicious
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8c3156c901bae62d20fce1aa07a4c0e0252ac6ab6443877396a37f83441f2b65
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e96e191e65ba59a45f7b491b23588a0d6ed50d5ada789b54a6e531dcddbb1221
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MassLogger
+ 734 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200730-djgjhmqlkj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/367c31b38577406fec107ed639cc6503710de53d8326b92504fd3919105ffce9

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.

Malspam

MassLogger

r00 2909694b162fb67f8b7d6f01bdb086d23216280a1f84565a13a4406ac46147c3

MassLogger

Executable exe 367c31b38577406fec107ed639cc6503710de53d8326b92504fd3919105ffce9

(this sample)

  
Dropped by
MD5 2fb78b099edc88207a4dbcfa8b6a44e0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35452/
  
Dropped by
SHA256 2909694b162fb67f8b7d6f01bdb086d23216280a1f84565a13a4406ac46147c3

Comments