MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b67a4b43ec507a7e86543db34761b14d0cec25d2046ccf05fa199d35d8eba92. 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: 5


Intelligence 5 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b67a4b43ec507a7e86543db34761b14d0cec25d2046ccf05fa199d35d8eba92
SHA3-384 hash: c0ec6c3d933c5f476184f2b8ce72433511e76ec55ba942656d502a2bef5738d35b03cb61bbe1e3c0d933344c977cb313
SHA1 hash: 46a8bd43f0297af43f8b10b857303e1e2395204b
MD5 hash: 4bbf93d421cddb0d818ccb468b785a0c
humanhash: blossom-hamper-tennessee-freddie
File name:PO.2243.rar
Download: download sample
Signature MassLogger
Create hunting rule
File size:153'584 bytes
First seen:2025-01-23 09:22:22 UTC
Last seen:2025-01-23 12:11:45 UTC
File type: rar
MIME type:application/x-rar
ssdeep 3072:AlUbJSP4fkO2uQeNQLtN/lCN/F4womKs2I9QgmLNyCS2joz:lkJhLhCN/mrjs2K7exSEK
TLSH T1B3E312FBB0E2D11C2427A401279CA96E18F5F4B54D91D676B36A4E611FBC04E3FDCA88
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:MassLogger QUOTATION rar


Avatar
cocaman
Malicious email (T1566.001)
From: "ann.chung@gerhardt-asia.com" (likely spoofed)
Received: "from s1091855.srvape.com (s1091855.srvape.com [188.127.237.17]) "
Date: "23 Jan 2025 03:55:03 -0800"
Subject: "QUOTATION "
Attachment: "PO.2243.rar"

Intelligence

File Origin
# of uploads :
2
# of downloads :
171
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:bini4.exe
File size:226'304 bytes
SHA256 hash: 15571d3c05b041b8f07867118cbeaa5931ce04d9780dad7598bf9d94e3595f16
MD5 hash: 04766534933b7c9cf3c4a5c6a2282543
MIME type:application/x-dosexec
Signature MassLogger
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67920fbeb5602ee8cdb00e98
Tags:
keylog word
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3b67a4b43ec507a7e86543db34761b14d0cec25d2046ccf05fa199d35d8eba92
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b67a4b43ec507a7e86543db34761b14d0cec25d2046ccf05fa199d35d8eba92/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-01-23 09:22:25 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnt2jnb6yud2p2dfipnti5q3ctim5qs5ebdmz4c7ugm5gxmoxkja._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery spyware stealer
Link:
https://tria.ge/reports/250123-lxr96awmdm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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/3b67a4b43ec507a7e86543db34761b14d0cec25d2046ccf05fa199d35d8eba92

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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_404keylogger_g1
Create hunting rule
Author:Rony (@r0ny_123)
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

rar 3b67a4b43ec507a7e86543db34761b14d0cec25d2046ccf05fa199d35d8eba92

(this sample)

MassLogger

Executable exe 15571d3c05b041b8f07867118cbeaa5931ce04d9780dad7598bf9d94e3595f16

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 15571d3c05b041b8f07867118cbeaa5931ce04d9780dad7598bf9d94e3595f16
  
Dropping
MassLogger
  
Dropping
MD5 04766534933b7c9cf3c4a5c6a2282543

Comments