MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12196207ffedfa2675b71f8c086df39c8ae73eb0fb2909674044ec3a45772d6b. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12196207ffedfa2675b71f8c086df39c8ae73eb0fb2909674044ec3a45772d6b
SHA3-384 hash: d73a2e85713a303a96a4d84001e45f144a6d8c722a449d1afb73337e1f1bba2533df726f24c734877e2b0c969d3ecede
SHA1 hash: 7cea26a994bd35c6f2b12817e7be8904c874f98c
MD5 hash: 04d2ea1f4e3f5e0f1ea39bd84cffdfdd
humanhash: nuts-hawaii-hotel-oranges
File name:Ekstre.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'324'544 bytes
First seen:2020-07-30 08:37:24 UTC
Last seen:2020-08-04 11:37:26 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:t2O5+w0i2niYpfW4DS20atR2ru4R7+S8IfTD1mY8i:tbgnZpfW0tOJjrD18
Threatray 822 similar samples on MalwareBazaar
TLSH 0D55193A79928414C55C0B76C0A8DDE077616D4B3762DB1E30CA0B4B7E53BEFBB0A45A
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 :
4
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35422/
Detection(s):
SecuriteInfo.com.Variant.Razy.725826.25505.26717.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:
88 / 100
Link:
https://www.joesandbox.com/analysis/403392
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
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 dnsIp2 2 Behavior Graph ID: 253924 Sample: Ekstre.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 88 39 g.msn.com 2->39 53 Yara detected MassLogger RAT 2->53 55 Yara detected AntiVM_3 2->55 57 .NET source code contains very large array initializations 2->57 59 2 other signatures 2->59 8 Ekstre.exe 7 2->8         started        12 pcalua.exe 1 2->12         started        14 pcalua.exe 1 1 2->14         started        signatures3 process4 file5 33 C:\Users\user\Desktop\.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 8->35 dropped 37 C:\Users\user\Desktop\.exe:Zone.Identifier, ASCII 8->37 dropped 61 Creates executable files without a name 8->61 16 .exe 2 8->16         started        19 cmd.exe 1 8->19         started        21 .exe 3 12->21         started        signatures6 process7 signatures8 47 Writes to foreign memory regions 16->47 49 Allocates memory in foreign processes 16->49 51 Injects a PE file into a foreign processes 16->51 23 RegAsm.exe 15 3 16->23         started        26 WerFault.exe 16->26         started        28 reg.exe 1 1 19->28         started        31 conhost.exe 19->31         started        process9 dnsIp10 41 elb097307-934924932.us-east-1.elb.amazonaws.com 174.129.255.253, 49745, 80 AMAZON-AESUS United States 23->41 43 192.168.2.1 unknown unknown 23->43 45 2 other IPs or domains 23->45 63 Creates an autostart registry key pointing to binary in C:\Windows 28->63 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12196207ffedfa2675b71f8c086df39c8ae73eb0fb2909674044ec3a45772d6b/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 08:39:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cimweb775x5cm5nxd6gaq3pttsfoopvq7muqsz2aitwdurlxfvvq._file
Verdict:
unknown
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434b95216fefcfdef179cbafe780e88243b818bce4ab11b88863bedc4a9cc0d0
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89b4121aae370dd8b644fc0e426e24d17087b25e1646aaf02e56b147627efd16
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9343011118ad09e9a63a24adb5cc08f406ffc927230b1be998cb263ebf23eedd
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b7c38b8ca8e90da906c7df9ea379e0c9386780ee32b174cd1f82cd8662822efc
MassLogger
cc6b0848a3a848c9ee7ce3f63d1e3f95393f6593140e2aab400146c06e593793
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d251c653db7e7df1e0d7858d8e1870055a5ccdd5749295c1a41a1e47f2a3c109
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f27eb43c59ea9a9f7ffc4e9bb14e67fd1667825c0e8851d4a1abb9441180076a
MassLogger
fbfa1fd030f6c63104868de7dc73436f4f6c49635b3d25effa4f7423df2349b2
MassLogger
+ 812 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200730-52fsaq7qws/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
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/12196207ffedfa2675b71f8c086df39c8ae73eb0fb2909674044ec3a45772d6b

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 a4febd0c1ee10c5d8170a1bffff5dbfe3cdbab949985f0bfa86036dc5396ddfd

MassLogger

Executable exe 12196207ffedfa2675b71f8c086df39c8ae73eb0fb2909674044ec3a45772d6b

(this sample)

  
Dropped by
MD5 2e2349b98f35a2fdd6c80e3c9c15a239
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35422/
  
Dropped by
SHA256 a4febd0c1ee10c5d8170a1bffff5dbfe3cdbab949985f0bfa86036dc5396ddfd

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