MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 237543ba5636a40b54e32ba6c9a4c859139acadf9b5d94e2f15d99251e71a415. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 237543ba5636a40b54e32ba6c9a4c859139acadf9b5d94e2f15d99251e71a415
SHA3-384 hash: 725a58830e65b7dd96b675d8f7618307fc54e0a6af6a3cf92b5a742bbfd82d0fcb1023fab509886f39b0ecdfaf087fa8
SHA1 hash: e843b73ef36454670cd49db992a2e6605751f8f1
MD5 hash: 9d3ff76271e6115a512ddc0f3abc978c
humanhash: hydrogen-single-connecticut-solar
File name:Purchase Order 24084.pdf.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:808'960 bytes
First seen:2020-10-28 09:05:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:7kD3Uuc6jyQYEIYM2Q/Ot9dxjhFAPe7f:7p+jZfx1tbTf
TLSH 73051268B4C07AAFC65BCC3754946D64A771286B472FE203C17336E8898D7CACF546E2
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: mannai.com.qa
Sending IP: 156.96.118.163
From: Mohammed Thurakkal Moosakutty <Mohammed.Moosakutty@mannai.com.qa>
Subject: RE: RE: RE: RE: RE: RE: Discounted offers - PR#2959 CAPEX: GLC/2020/1078 LPO 24084
Attachment: Purchase Order 24084.pdf.ace (contains "Purchase Order 24084.pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Masslogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80421/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Deleting of the original file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514818
Signature
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306521 Sample: Purchase Order 24084.pdf.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 12 other signatures 2->35 8 Purchase Order 24084.pdf.exe 6 2->8         started        process3 file4 25 C:\Users\user\AppData\Roaming\ivcQvEnh.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\...\tmpC68D.tmp, XML 8->27 dropped 39 Injects a PE file into a foreign processes 8->39 12 Purchase Order 24084.pdf.exe 2 8->12         started        14 schtasks.exe 1 8->14         started        16 Purchase Order 24084.pdf.exe 8->16         started        signatures5 process6 process7 18 powershell.exe 17 12->18         started        21 conhost.exe 14->21         started        signatures8 37 Deletes itself after installation 18->37 23 conhost.exe 18->23         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/237543ba5636a40b54e32ba6c9a4c859139acadf9b5d94e2f15d99251e71a415/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 05:30:08 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=en2uhoswg2sawvhdfotmtjgilejzvsw7tnozjyxrlwmskhtruqkq._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201028-l8bnxwqcfj/
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
Deletes itself
MassLogger
MassLogger Main Payload
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

zip 973546d376c0a2c2cf2955375745c66457a01ed42026ff155dbd789e5f4e9db0

MassLogger

Executable exe 237543ba5636a40b54e32ba6c9a4c859139acadf9b5d94e2f15d99251e71a415

(this sample)

  
Dropped by
MD5 e544c8753d4cdebf0252c272f37e68d5
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/80421/
  
Dropped by
SHA256 973546d376c0a2c2cf2955375745c66457a01ed42026ff155dbd789e5f4e9db0

Comments