MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9343011118ad09e9a63a24adb5cc08f406ffc927230b1be998cb263ebf23eedd. 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: 9343011118ad09e9a63a24adb5cc08f406ffc927230b1be998cb263ebf23eedd
SHA3-384 hash: 0c0bf755907070c07aaf24aa6800990c9ddf1af86e1767707212c88febffee42088d24aa45471cce4d25476de26fc9bb
SHA1 hash: eded4cc6941f2ebf7d9b08bc98d05190c4d9e054
MD5 hash: 4fa8f3fb34c79b408d7c511c892358cf
humanhash: muppet-mockingbird-sodium-two
File name:Ekstre.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'243'136 bytes
First seen:2020-08-03 13:25:17 UTC
Last seen:2020-08-12 07:12:45 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 12288:7HX8kTEw15+w0i2niYpfW4DS20atR2ru4R7+S8IfTD1mY8d:7HLTRgnZpfW0tOJjrD18d
Threatray 1'435 similar samples on MalwareBazaar
TLSH B145283979838661C56D073AC0A99CC0B7626A4A37A7C71F3187134D6E03BDFBB4A45E
Reporter abuse_ch
Tags:exe geo MassLogger TUR ZiraatBank


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: ileti.ziraatbank.com.tr
Sending IP: 45.11.19.43
From: ZIRAAT BANKASI <ziraatbank@ileti.ziraatbank.com.tr>
Reply-To: ZIRAAT BANKASI <ziraatbank@ileti.ziraatbank.com.tr>
Subject: T.C. Ziraat Bankası Hesap Ekstresi
Attachment: Ekstre.r00 (contains "Ekstre.exe")

MassLogger SMTP exfil server:
mail.aydan.com.tr:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Backdoor.AveMaria.18329.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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:
92 / 100
Link:
https://www.joesandbox.com/analysis/407994
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Creates executable files without a name
Injects a PE file into a foreign processes
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256252 Sample: Ekstre.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 92 42 Yara detected MassLogger RAT 2->42 44 Yara detected AntiVM_3 2->44 46 .NET source code contains very large array initializations 2->46 48 2 other signatures 2->48 7 Ekstre.exe 7 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 30 C:\Users\user\Desktop\.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 7->32 dropped 34 C:\Users\user\Desktop\.exe:Zone.Identifier, ASCII 7->34 dropped 54 Creates executable files without a name 7->54 15 .exe 2 7->15         started        18 cmd.exe 1 7->18         started        20 .exe 3 11->20         started        signatures5 process6 signatures7 56 Writes to foreign memory regions 15->56 58 Allocates memory in foreign processes 15->58 60 Injects a PE file into a foreign processes 15->60 22 RegAsm.exe 15 3 15->22         started        26 reg.exe 1 1 18->26         started        28 conhost.exe 18->28         started        process8 dnsIp9 36 elb097307-934924932.us-east-1.elb.amazonaws.com 54.221.234.156, 49740, 80 AMAZON-AESUS United States 22->36 38 nagano-19599.herokussl.com 22->38 40 api.ipify.org 22->40 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->50 52 Creates an autostart registry key pointing to binary in C:\Windows 26->52 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9343011118ad09e9a63a24adb5cc08f406ffc927230b1be998cb263ebf23eedd/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 13:27:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=snbqceiyvue6tjr2esw3ltai6qdp7sjhemfrx2myzmtd5pzd53oq._file
Verdict:
unknown
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0d3054972b35fa5c6f67ba30f1495823dda35917b171af358242c20293e2bbbb
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MassLogger
+ 1'425 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware persistence spyware stealer family:masslogger
Link:
https://tria.ge/reports/200803-441zfm373a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9343011118ad09e9a63a24adb5cc08f406ffc927230b1be998cb263ebf23eedd

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 c0917d27811cdd7a7c1267f87cf6135915adbfc7fd4a3f6e74998eef74fae31e

MassLogger

Executable exe 9343011118ad09e9a63a24adb5cc08f406ffc927230b1be998cb263ebf23eedd

(this sample)

  
Dropped by
MD5 937a447b796d4ed07f668c09a18e35a8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37864/
  
Dropped by
SHA256 c0917d27811cdd7a7c1267f87cf6135915adbfc7fd4a3f6e74998eef74fae31e

Comments