MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea6283f89a072a6fc910d5e1a023dd1b5b59b11b3dc18cf4773d7e03e68b21b1. 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 File information Comments

SHA256 hash: ea6283f89a072a6fc910d5e1a023dd1b5b59b11b3dc18cf4773d7e03e68b21b1
SHA3-384 hash: 2bf349f67c2b61fed3e78ec6713143e8a350e250064aefd48113956fb0c4a556667c1202e3e6b6bb0f694e886910f5be
SHA1 hash: 344e3f7370d5a888baa20e379568ab9b0f640bf7
MD5 hash: a41b1b8e5ed4f112ae799bbe82fdb5b6
humanhash: comet-oscar-connecticut-skylark
File name:Halkbank.pdf.exe
Download: download sample
Signature MassLogger
File size:1'236'992 bytes
First seen:2020-11-05 10:19:04 UTC
Last seen:2020-11-05 11:51:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:KgRzBk3OTRZNNpF9IhuDs05WjFfKwG6kKKBzyqzbVsf:KgPTTN/jKus5fKwG6kKKBOQbVw
Threatray 473 similar samples on MalwareBazaar
TLSH 6245D0F66386DB6AC80F043FF84B256193D9CB2E99F9844646C5B11917BC3CE56AC0CB
Reporter abuse_ch
Tags:exe geo Halkbank MassLogger TUR


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: server.teknofirst.com
Sending IP: 185.171.90.167
From: HALKBANK.E-EKSTRE@halkbank.com.tr
Subject: T.HALK BANKASI A.Ş. 05.11.2020 Hesap Ekstresi
Attachment: Halkbank.pdf.r00 (contains "Halkbank.pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309764 Sample: Halkbank.pdf.exe Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 13 other signatures 2->39 8 Halkbank.pdf.exe 6 2->8         started        process3 file4 27 C:\Users\user\AppData\Roaming\wkREAifs.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmpCCC9.tmp, XML 8->29 dropped 31 C:\Users\user\...\Halkbank.pdf.exe.log, ASCII 8->31 dropped 43 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->43 45 Injects a PE file into a foreign processes 8->45 12 Halkbank.pdf.exe 2 8->12         started        14 schtasks.exe 1 8->14         started        16 Halkbank.pdf.exe 8->16         started        18 3 other processes 8->18 signatures5 process6 process7 20 powershell.exe 17 12->20         started        23 conhost.exe 14->23         started        signatures8 41 Deletes itself after installation 20->41 25 conhost.exe 20->25         started        process9
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2020-11-05 08:15:19 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
ea6283f89a072a6fc910d5e1a023dd1b5b59b11b3dc18cf4773d7e03e68b21b1
MD5 hash:
a41b1b8e5ed4f112ae799bbe82fdb5b6
SHA1 hash:
344e3f7370d5a888baa20e379568ab9b0f640bf7
SH256 hash:
34ab9fa3a2d93b711bbfda533828afdd08542aa222239709ed849ce9f091f47b
MD5 hash:
59d8d9f4adb53cd79a17514c09364e09
SHA1 hash:
1b7973f0465dc5a27aaa9e727132783121f9ca50
Detections:
win_masslogger_w0
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
53fe0076b21f81f360b22b2a6ea4301cb63db805d430460da88788d26c26876e
MD5 hash:
262b2e3544b030228685e20527eea435
SHA1 hash:
b985dc65c934246a6814bdde25150148a24f2d2a
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.

dd65806afcc4916e7eba1cae302d69d6

MassLogger

Executable exe ea6283f89a072a6fc910d5e1a023dd1b5b59b11b3dc18cf4773d7e03e68b21b1

(this sample)

  
Dropped by
MD5 dd65806afcc4916e7eba1cae302d69d6
  
Delivery method
Distributed via e-mail attachment

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