MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89
SHA3-384 hash: 971657014b60e8a822cfc047cc7d7f8a4ae879a60d0c0f9a838c133363f4901267fcb2bb9ceff5dcaf0ddfd750c6c1d5
SHA1 hash: 61f35a68841f3f4ae4a52cd14420979e86355084
MD5 hash: 24977e68cf3835f792b974848cdfc0eb
humanhash: spring-december-double-grey
File name:DHL_January 2021 at 70M_9B7290_PDF.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:857'088 bytes
First seen:2021-01-18 09:07:18 UTC
Last seen:2021-01-18 10:42:11 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 24576:nVXLv6Y8/ACLG/Pl5a4dUSX7rLPgt4dy8pbbo39DM5h+:nZ76L/nLG3aPSXDPgt8pYWH+
Threatray 618 similar samples on MalwareBazaar
TLSH 3B05122172E41399E5F527B11AA3D8A807777D1F8A37C30E8DE673DE08727858246B27
Reporter abuse_ch
Tags:DHL exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: 023.gestiondealojamiento.com
Sending IP: 193.42.143.82
From: DHL Customer Support <noreply@dhl.com>
Subject: RE: DHL Express Shipment // AWB_5011014
Attachment: DHL_January 2021 at 70M_9B7290_PDF.img (contains "DHL_January 2021 at 70M_9B7290_PDF.exe")

MassLogger SMTP exfil server:
mail.beljemi.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_January 2021 at 70M_9B7290_PDF.exe
Verdict:
No threats detected
Analysis date:
2021-01-18 09:23:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bb62c739-778f-4100-9e43-a03f338091e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
MassLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112519/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.507.22426.23582.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/583547
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-18 02:27:51 UTC
AV detection:
8 of 28 (28.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wrhdvskw532rgbap4dbja2ged53prhlw5a7ovzk7mwrg5lpfoeq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
08a9b841c509bb0171f6899c3357e6b2cc47ce64e352315c4a8aaa4961ad0673
MassLogger
1230eb0bae862921bb0a575c1bfb9055984d24359f0c49282ef49eadad6091ce
MassLogger
2d9b9f417d914d2b6f3bc2eefbe9b82ec3eacd8077f2ad4a1a05f393f8584bc8
MassLogger
5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
MassLogger
5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
MassLogger
a39304a39ad9b9427b000045f7f5c60ed7790fe1a79d604ba9379bb94c0da593
MassLogger
b5a3cf350d8aa4afa017d90a37e3206574774eefc57c36da525a89606d704025
MassLogger
b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430
MassLogger
c26fae9be09bc2ae42201aa17d14288a797ed398c1476246a41366c78961668e
MassLogger
dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
MassLogger
+ 608 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/210118-fwm4djvg46/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/18bb78d5-0e35-4f9f-9809-16357a7f8932/
SH256 hash:
c0bc32ac8075ff6d3c44a8579529f8e9363a9d8520db70ff0665ac83e96ca1fa
MD5 hash:
989afca532394ca69cfac8f95fed60b1
SHA1 hash:
2f04e4efe7145209f359ca9bd42a3bf494c997c3
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/18bb78d5-0e35-4f9f-9809-16357a7f8932/
Parent samples :
c26fae9be09bc2ae42201aa17d14288a797ed398c1476246a41366c78961668e
5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
08a9b841c509bb0171f6899c3357e6b2cc47ce64e352315c4a8aaa4961ad0673
5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
2d9b9f417d914d2b6f3bc2eefbe9b82ec3eacd8077f2ad4a1a05f393f8584bc8
f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89
06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39
264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820
SH256 hash:
77d44fb33b69eb1691fbfff5d77f700e84f7f52b4ac181078c3914ac0f3ae332
MD5 hash:
11f34598157e7d55c1367eaaee489863
SHA1 hash:
0dd5a450c6d4ab9aba8c8b6802daa0499a2c484f
Link:
https://www.unpac.me/results/18bb78d5-0e35-4f9f-9809-16357a7f8932/
SH256 hash:
f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89
MD5 hash:
24977e68cf3835f792b974848cdfc0eb
SHA1 hash:
61f35a68841f3f4ae4a52cd14420979e86355084
Link:
https://www.unpac.me/results/18bb78d5-0e35-4f9f-9809-16357a7f8932/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89

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
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

img 12dff816b362ad78da4e91dae02358a70b9c4e37c32630f9f4935bf3811d04b1

MassLogger

Executable exe f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89

(this sample)

  
Dropped by
MD5 c73797653e845438b35b4e953c9ac7c7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112519/
  
Dropped by
SHA256 12dff816b362ad78da4e91dae02358a70b9c4e37c32630f9f4935bf3811d04b1

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