MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027
SHA3-384 hash: a4ef87bdcc71d3c04df1f2c2bae345b2377cc48acb6847e9dfb80403c5931831c0e82aed87cecc83303ac0222352450e
SHA1 hash: 03f2f4c16e064c90fe75386b0805be981ea1b7d8
MD5 hash: a2a1d155dd4b111472471f6e5e8265e9
humanhash: football-fish-asparagus-yellow
File name:Enquiry-030820..exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'017'344 bytes
First seen:2020-08-03 07:05:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:in/HgKhcV8Hpz4wuFfp97xeaNUr4/12Q:E/LvpWv9jNUE/Y
Threatray 695 similar samples on MalwareBazaar
TLSH 0C258CB832E0E539E85542752C313C729BF0AC96DC32A74A99ACF8E49471FE56F11B07
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: goldenwebsolution.com
Sending IP: 198.23.61.129
From: kumar <imelgarejo@diesa.com>
Subject: Enquiry
Attachment: Enquiry-030820.zip (contains "Enquiry-030820..exe")

MassLogger SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/407327
Signature
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 07:07:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwwgwgt73ojlkro24rfrvcgwgkdctfchog6445iaey343pzjsatq._file
Verdict:
unknown
Similar samples:
1216760b7cd8f2c6be3e6ddabaea8e1068faf26f97a5f9a1575a139904cd58d3
MassLogger
2485826ad6e01c5ae26b460a9152854b3a6780da46f4abbca35be5b0bd570eb3
MassLogger
420541ff7ab7f97d2110f9c2f2488087c0d2f9e577fa5e55c73eebf4f5416bbc
MassLogger
553ee875b3fc39e67daff6b7ace6590da149818f31bc7f84bc115858d10ab4f9
MassLogger
70440fbc25870bbadcbe1278c0772221c0a8a34058aa1bbe8f5d00a72a1c883a
MassLogger
725cf95ae383693e9d93b749eae3f529fb3df6545d44afb6da70425c6c74a06d
MassLogger
7998ac3e684a8b86abc784ecfbce4a23a54166ef3a08d497a0288dc667c6f510
MassLogger
dccd0903a7912382f20b16beb29d93c14435e41ee655c2e88740879089d56fca
MassLogger
edd4ed935c2607a173722c89b329ad9dbc39d1a6204fa8ed22987f5df7955838
MassLogger
fbb99e9576db212b02fd60fc214d3cd9faa9f2f019103ea8dc1aec8424bd4ba7
MassLogger
+ 685 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Link:
https://tria.ge/reports/200803-6lwbz924s2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027

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

zip eae9fd488fe30bf1d81e928517f1b48f826ce1568c94d726e0b63a8596ad9124

MassLogger

Executable exe 15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027

(this sample)

  
Dropped by
MD5 03029ff538842f18964d42ef82b1562f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37408/
  
Dropped by
SHA256 eae9fd488fe30bf1d81e928517f1b48f826ce1568c94d726e0b63a8596ad9124

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