MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36c4b76918ad0cc2990097d29fe693eb3333709e20b33b97ab12d6ccbaf3e4bc. 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: 15


Intelligence 15 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 36c4b76918ad0cc2990097d29fe693eb3333709e20b33b97ab12d6ccbaf3e4bc
SHA3-384 hash: c015061c1a290b0bc9a35ea348839cf59090a6916525fbb81026784b38e84ca3b1e9b268d910c40897295dba4772a53e
SHA1 hash: 1bdce2820788f662108d4b6a2555f6dceb715a3d
MD5 hash: 435e17a63de9770c43659f6a6120ef5e
humanhash: grey-texas-speaker-potato
File name:PO1234.001
Download: download sample
Signature MassLogger
Create hunting rule
File size:230'912 bytes
First seen:2025-01-22 02:12:13 UTC
Last seen:2025-01-22 14:07:50 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 3072:1YN8BR40zp8S8QkEaluUXK5Aa/37UmZwZUcHsXF/CAJJcXIh1S0TphLmVVtRl:3u0zGSiEapamG3ZwZUKsXdA47SML
TLSH T13934F6D6FEF44A7AE6CDE1BD78BAC2D693D012DF14B174B0070C4CBE1A1578A4045ABA
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter cocaman
Tags:001 exe MassLogger QUOTATION


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: "22 Jan 2025 06:02:31 -0800"
Subject: "QUOTATION "
Attachment: "PO1234.001"

Intelligence

File Origin
# of uploads :
2
# of downloads :
626
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO1234.001
Verdict:
Malicious activity
Analysis date:
2025-01-22 02:20:39 UTC
Tags:
evasion snake keylogger stealer
Link:
https://app.any.run/tasks/fafa8eed-2b5c-49fc-9160-8d8a1c821576

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67905815e708b6e7a3af2362
Tags:
keylog virus word
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Reading critical registry keys
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected phishing
Link:
https://www.filescan.io/uploads/6790542ff6fdc1ccd52a8947/reports/137c91f5-7fd0-4185-904d-576bbe04d76c/overview
Verdict:
Malicious
Labled as:
Bulz.Generic
Link:
https://www.hybrid-analysis.com/sample/36c4b76918ad0cc2990097d29fe693eb3333709e20b33b97ab12d6ccbaf3e4bc
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92ef7691-744b-4d87-9e46-396fa5460ba1
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1596508
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/36c4b76918ad0cc2990097d29fe693eb3333709e20b33b97ab12d6ccbaf3e4bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/36c4b76918ad0cc2990097d29fe693eb3333709e20b33b97ab12d6ccbaf3e4bc/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-01-22 00:07:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g3clo2iyvugmfgias7jj7zut5mztg4e6ecztxf5lcllmzoxt4s6a._file
Verdict:
malicious
Label(s):
snakekeylogger
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery spyware stealer
Link:
https://tria.ge/reports/250122-cnd7hasnhs/
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
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/bfcf7e71-5dba-4d10-a79b-6a3756e96aca
Unpacked files
SH256 hash:
62722576b2e1cd491419a323110834c6323fc1d66f772b85c457f7e9cfb7a21d
MD5 hash:
102cc09dbc2b9c0b530c71301ec0698f
SHA1 hash:
8f0f2ba5a000ce7f67cdf0eac329df89af4eef06
Link:
https://www.unpac.me/results/c39a9e7a-e210-46b2-b6f1-6f1c9042b0a9/
SH256 hash:
e8ebfda634e10c24642537582e256449074acdf2ac5ea827b81818c111111993
MD5 hash:
5b29dbce9331e1456dcac2b8f087dfd2
SHA1 hash:
702f2aef816d7ed31559640a56919a19c0c9cc51
Link:
https://www.unpac.me/results/c39a9e7a-e210-46b2-b6f1-6f1c9042b0a9/
SH256 hash:
02c8f3afd156dd04b0ef1ba24aa1dcd2e6f89203618b2dc71c01a0e377402eb3
MD5 hash:
0849c395409cc84f448cce6f5de847d1
SHA1 hash:
00319a9c83a36bee6feac69481774903b809c216
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/c39a9e7a-e210-46b2-b6f1-6f1c9042b0a9/
SH256 hash:
36c4b76918ad0cc2990097d29fe693eb3333709e20b33b97ab12d6ccbaf3e4bc
MD5 hash:
435e17a63de9770c43659f6a6120ef5e
SHA1 hash:
1bdce2820788f662108d4b6a2555f6dceb715a3d
Link:
https://www.unpac.me/results/c39a9e7a-e210-46b2-b6f1-6f1c9042b0a9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/36c4b76918ad/report/overview.html
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: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_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

Executable exe 36c4b76918ad0cc2990097d29fe693eb3333709e20b33b97ab12d6ccbaf3e4bc

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
MassLogger

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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