MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da5de33aa29159ce3331c060ed0da0b17346037aa12960652d67ecc7ba6d44a5. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da5de33aa29159ce3331c060ed0da0b17346037aa12960652d67ecc7ba6d44a5
SHA3-384 hash: e24b58e999ff1e27cc7d4009875cf062780ade34a2e6ce03f2c37c2bede0d8e52a6e68e2df09011c6ce8f79266193ac2
SHA1 hash: 8e730ef2a840e0fb149c9ccebf80e5930489a25b
MD5 hash: 0c8b526f92f2f5799c9657496bd7ddbb
humanhash: wyoming-georgia-september-grey
File name:PO-40, PO-41 & PO-42.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:957'440 bytes
First seen:2020-11-09 16:16:43 UTC
Last seen:2020-11-09 17:46:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7z64Bx1fg+Na4nOxInZ0ssmy65ZG68lJ8jdLzIoAxldQ1Bik3a8fx08pRXQFQVba:7zW4nOxInKm0KNzD0QjdA8kFY3KmJ8
Threatray 558 similar samples on MalwareBazaar
TLSH DD15E11233A97F92E13E9B799525210187F1F917D736D6D9BDCC20CA0B63F451B22B0A
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: gmail.com
Sending IP: 109.169.89.106
From: Tejaswini Kumkar <commhead.parikhgroup@gmail.com>
Subject: PO-40, PO-41 & PO-42
Attachment: PO-40, PO-41 PO-42.zip (contains "PO-40, PO-41 & PO-42.exe")

MassLogger SMTP exfil server:
smtp.irtec-irrigetion.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.424.1674.29038.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/526677
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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)
May check the online IP address of the machine
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
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: 312428 Sample: PO-40, PO-41 & PO-42.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 Sigma detected: Scheduled temp file as task from temp location 2->42 44 13 other signatures 2->44 8 PO-40, PO-41 & PO-42.exe 7 2->8         started        process3 file4 24 C:\Users\user\AppData\...\nwdQIbPjQucxZD.exe, PE32 8->24 dropped 26 C:\...\nwdQIbPjQucxZD.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\Local\Temp\tmp226.tmp, XML 8->28 dropped 30 C:\Users\...\PO-40, PO-41 & PO-42.exe.log, ASCII 8->30 dropped 46 Injects a PE file into a foreign processes 8->46 12 PO-40, PO-41 & PO-42.exe 15 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures5 process6 dnsIp7 32 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 49747, 80 AMAZON-AESUS United States 12->32 34 nagano-19599.herokussl.com 12->34 36 api.ipify.org 12->36 48 Tries to steal Mail credentials (via file access) 12->48 50 Tries to harvest and steal browser information (history, passwords, etc) 12->50 52 Adds a directory exclusion to Windows Defender 12->52 18 powershell.exe 25 12->18         started        20 conhost.exe 16->20         started        signatures8 process9 process10 22 conhost.exe 18->22         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da5de33aa29159ce3331c060ed0da0b17346037aa12960652d67ecc7ba6d44a5/
Threat name:
ByteCode-MSIL.Trojan.Sdum
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 12:01:55 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jo6govcsfm44mzrybqo2dnawfzuma32ueuwazjnm7wmpotnissq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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MassLogger
+ 548 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201109-abdevjpkn2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
MassLogger
MassLogger Main Payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da5de33aa29159ce3331c060ed0da0b17346037aa12960652d67ecc7ba6d44a5

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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

zip b80c7213ab3246ec091cc632105736356e3b8bab3c28d632cb7ed77c12548b6e

MassLogger

Executable exe da5de33aa29159ce3331c060ed0da0b17346037aa12960652d67ecc7ba6d44a5

(this sample)

  
Dropped by
MD5 025a1d226e1ebe4755eedb7b59abea88
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b80c7213ab3246ec091cc632105736356e3b8bab3c28d632cb7ed77c12548b6e

Comments