MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125. 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: 64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
SHA3-384 hash: acfc401a5927976bd0893ba899b7df875e0eaf991218843e389ef9f66c2a48983d546f40bd5c743ee1e357c51a0f220a
SHA1 hash: 6d9bab79cd3daaf832a7236bb0db30f1b5bc3732
MD5 hash: 4cdf11f1b7678c63efd99d4b280d2f70
humanhash: pip-island-twelve-uncle
File name:DHL_Jan 2021 at 13M_9B7290_PDF.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:732'160 bytes
First seen:2021-01-13 07:40:23 UTC
Last seen:2021-01-13 09:38:40 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 12288:3MwXnsaDwftqOC/G1jxDLju7u1cGBVphrBN8BpI94bseI5/DM5JjW:3Rn8Vtr1lD+scGbMNs39DM5hW
Threatray 2 similar samples on MalwareBazaar
TLSH 89F4123273D59086D9D12A315743CCDD032BBD0B4E2B130959FA7BEE08776CAEA54B1A
Reporter abuse_ch
Tags:DHL exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: setentaytres229.nsprimario.com
Sending IP: 188.93.73.229
From: DHL EXPRESS <noreply@dhl.com>
Subject: Re: DHL Notification / DHL_AWB_001179703/ETD
Attachment: DHL_Jan 2021 at 13M_9B7290_PDF.img (contains "DHL_Jan 2021 at 13M_9B7290_PDF.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_Jan 2021 at 13M_9B7290_PDF.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-13 08:26:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/71bf17b9-4b20-4904-ad16-8224a100c27f

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/111743/
Detection(s):
SecuriteInfo.com.Artemis4CDF11F1B767.19828.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Sending a UDP request
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/579913
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Initial sample is a PE file and has a suspicious name
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125/
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Create hunting rule
Status:
Malicious
First seen:
2021-01-13 04:03:10 UTC
AV detection:
7 of 44 (15.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtr2hg76gozw4a3445xxgpvxnlky4vnzyinlmo3xojlwummiiesq._file
Verdict:
unknown
Similar samples:
5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
MassLogger
73f47070aad3388f2d64f888bca90074cc0ff6673a3e4d1a5765f73bbed3d692
MassLogger
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/210113-yffn7e6z4e/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Unpacked files
SH256 hash:
64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
MD5 hash:
4cdf11f1b7678c63efd99d4b280d2f70
SHA1 hash:
6d9bab79cd3daaf832a7236bb0db30f1b5bc3732
Link:
https://www.unpac.me/results/15cc0e80-6d5d-4d01-894f-a775c82846fa/
SH256 hash:
c0bc32ac8075ff6d3c44a8579529f8e9363a9d8520db70ff0665ac83e96ca1fa
MD5 hash:
989afca532394ca69cfac8f95fed60b1
SHA1 hash:
2f04e4efe7145209f359ca9bd42a3bf494c997c3
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/15cc0e80-6d5d-4d01-894f-a775c82846fa/
Parent samples :
c26fae9be09bc2ae42201aa17d14288a797ed398c1476246a41366c78961668e
5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
08a9b841c509bb0171f6899c3357e6b2cc47ce64e352315c4a8aaa4961ad0673
5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
2d9b9f417d914d2b6f3bc2eefbe9b82ec3eacd8077f2ad4a1a05f393f8584bc8
f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89
06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39
264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820
SH256 hash:
32e2bcc950a401fad89248899d3b4fed58f196d4726515f07dfb0f63c2e06f7d
MD5 hash:
a512500f7bca070296872844ddda8512
SHA1 hash:
b7639ff1263df4ce8dc094aad89ac443be0c5a19
Link:
https://www.unpac.me/results/15cc0e80-6d5d-4d01-894f-a775c82846fa/
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/15cc0e80-6d5d-4d01-894f-a775c82846fa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125

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 fb5ddaa3cc2d9c06e295a33fbb5d252806f85e3097ebdc5111e2a511b861dbc4

MassLogger

Executable exe 64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125

(this sample)

  
Dropped by
MD5 9877f2a57786bf79ef363dc62d3f31ab
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 fb5ddaa3cc2d9c06e295a33fbb5d252806f85e3097ebdc5111e2a511b861dbc4
Cape
Cape
https://www.capesandbox.com/analysis/111743/

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