MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa92ca49b0f84494890222ae164a725e2ff94d9a5e996cc124fbdcbe2f0882d5. 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 6 File information Comments
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SHA256 hash: aa92ca49b0f84494890222ae164a725e2ff94d9a5e996cc124fbdcbe2f0882d5
SHA3-384 hash: 0cbf7d45bac7fc5efc9fbdd4a7e63126e799cced443a328c13cb35b589ca54dd69b6e5dc4f34cc384c649dfdf3d83955
SHA1 hash: 1358f48efc308adfd21bd397e720979898e439ec
MD5 hash: fee378c5d7e73fdf10070ca0064697f7
humanhash: cat-lemon-johnny-sodium
File name:Delivery Note - AWD 200038485852- 2349203300.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:898'560 bytes
First seen:2020-10-26 14:08:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xV/4rjvGiO9C6zFgXufE1TBMQ824rJ/Q+alZnvxhZfDsbwbSexn+:+O9C65g+fNJ20WZlLsUa
Threatray 760 similar samples on MalwareBazaar
TLSH 94158EB27C92587ECA6A0775106985C1FABA16C73FA48B0D71AF430C0F11A6BFB57247
Reporter abuse_ch
Tags:DHL exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: e347122.name-servers.gr
Sending IP: 195.201.120.33
From: noreply@dhl.com <marimaxy_dhl@gmail.com>
Subject: DHL Shipping Notification
Attachment: Delivery Note - AWD 200038485852- 2349203300.r00 (contains "Delivery Note - AWD 200038485852- 2349203300.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Masslogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79114/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.3941.30517.18409.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/511889
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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 submitted file
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)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 305082 Sample: Delivery Note - AWD 2000384... Startdate: 26/10/2020 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected MassLogger RAT 2->36 38 10 other signatures 2->38 8 Delivery Note - AWD 200038485852- 2349203300.exe 8 2->8         started        process3 file4 20 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 8->20 dropped 22 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 8->22 dropped 24 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->24 dropped 40 Writes to foreign memory regions 8->40 42 Allocates memory in foreign processes 8->42 44 Injects a PE file into a foreign processes 8->44 12 AddInProcess32.exe 15 2 8->12         started        signatures5 process6 dnsIp7 26 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.252.4, 49753, 80 AMAZON-AESUS United States 12->26 28 nagano-19599.herokussl.com 12->28 30 api.ipify.org 12->30 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->46 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 16 powershell.exe 23 12->16         started        signatures8 process9 process10 18 conhost.exe 16->18         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa92ca49b0f84494890222ae164a725e2ff94d9a5e996cc124fbdcbe2f0882d5/
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Create hunting rule
Status:
Malicious
First seen:
2020-10-26 05:01:48 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vkjmusnq7bcjjcicekxbmstslyx7stm2l2mwzqje7pol4lyiqlkq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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c9b3c7ce6446a64df017cf3301ab24a7993b1336befdec8bab77332fe783e4d4
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ef4c04da2b5fe6ce33597d1dbe44a8b84b156cb1bd03b3a3f8d8c9dabede075b
MassLogger
+ 750 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
spyware stealer family:masslogger
Link:
https://tria.ge/reports/201026-p1qaf5n21j/
Behaviour
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
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger Main Payload
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MassLogger
Create hunting rule
Author:kevoreilly
Description:MassLogger
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

r00 ae08792e686cd602ec9378e468d50dcbd456546867263bbced821b4fe93c73e7

MassLogger

Executable exe aa92ca49b0f84494890222ae164a725e2ff94d9a5e996cc124fbdcbe2f0882d5

(this sample)

  
Dropped by
MD5 1c350973bbcfb2d12a10aa0b6062959d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/79114/
  
Dropped by
SHA256 ae08792e686cd602ec9378e468d50dcbd456546867263bbced821b4fe93c73e7

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