MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0. 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: 17


Intelligence 17 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0
SHA3-384 hash: 9e95b83d4591862c68e4bc5fb29f45b82d0dde3a17f8b60b569c359dac4ee968d3cd73058a5df9270376813c3dfb0270
SHA1 hash: b0ed7bf08e6a0e7241ce48dc99c5034c9c4e9a48
MD5 hash: e230c1216635c46430ef04a219eb53e8
humanhash: river-alpha-potato-paris
File name:TEKLİF TALEP KOCAK METALURJI-RFQ_xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:716'800 bytes
First seen:2025-08-13 05:33:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:OFPsLPegp7y+22Yif/5ktYkMmSqBrcQfYmHPEr0K:LeS2XiWambcEYqsoK
Threatray 185 similar samples on MalwareBazaar
TLSH T12CE4120125E69A1AE6F39BB24861D2B803B07EAAB821F7570DD5BDDF7C31F910990307
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 lowmal3
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TEKLÄ°F TALEP KOCAK METALURJI-RFQ_xlsx.exe
Verdict:
Malicious activity
Analysis date:
2025-08-13 05:37:15 UTC
Tags:
evasion snake keylogger auto-sch-xml netreactor telegram stealer ims-api generic
Link:
https://app.any.run/tasks/fbb257be-583b-4a1a-9e0d-45ddbd47f4e7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/21039/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689c23df9901157561b5b2a5
Tags:
underscore snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks snakestealer stego telegram vbc
Link:
https://www.filescan.io/uploads/689c23de9ef4d2ff7cf9c50f/reports/fa21cd24-98a1-4c7b-a5a1-11d3e14d6bd0/overview
Verdict:
Malicious
Labled as:
Trojan.GenericS
Link:
https://www.hybrid-analysis.com/sample/004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a94a608e-71b4-4e4b-a6ba-184ea4c0cd3a
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1755791
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1755791 Sample: TEKL#U0130F TALEP KOCAK MET... Startdate: 13/08/2025 Architecture: WINDOWS Score: 100 49 reallyfreegeoip.org 2->49 51 api.telegram.org 2->51 53 2 other IPs or domains 2->53 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 79 16 other signatures 2->79 8 TEKL#U0130F TALEP KOCAK METALURJI-RFQ_xlsx.exe 7 2->8         started        12 ANbtKQOh.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 75 Tries to detect the country of the analysis system (by using the IP) 49->75 77 Uses the Telegram API (likely for C&C communication) 51->77 process4 dnsIp5 41 C:\Users\user\AppData\Roaming\ANbtKQOh.exe, PE32 8->41 dropped 43 C:\Users\...\ANbtKQOh.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpFEAF.tmp, XML 8->45 dropped 47 TEKL#U0130F TALEP ...JI-RFQ_xlsx.exe.log, ASCII 8->47 dropped 81 Adds a directory exclusion to Windows Defender 8->81 17 powershell.exe 23 8->17         started        20 TEKL#U0130F TALEP KOCAK METALURJI-RFQ_xlsx.exe 15 2 8->20         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        83 Multi AV Scanner detection for dropped file 12->83 85 Injects a PE file into a foreign processes 12->85 27 ANbtKQOh.exe 12->27         started        29 schtasks.exe 12->29         started        61 127.0.0.1 unknown unknown 14->61 file6 signatures7 process8 dnsIp9 63 Loading BitLocker PowerShell Module 17->63 31 conhost.exe 17->31         started        33 WmiPrvSE.exe 17->33         started        55 api.telegram.org 149.154.167.220, 443, 49719, 49725 TELEGRAMRU United Kingdom 20->55 57 checkip.dyndns.com 193.122.130.0, 49683, 49684, 49686 ORACLE-BMC-31898US United States 20->57 59 reallyfreegeoip.org 104.21.112.1, 443, 49685, 49687 CLOUDFLARENETUS United States 20->59 35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        65 Tries to steal Mail credentials (via file / registry access) 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 39 conhost.exe 29->39         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.24 Win 32 Exe x86
Link:
https://app.malva.re/file/e230c1216635c46430ef04a219eb53e8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-08-12 11:05:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=abg47gvp7lfd56q7nyabt2jal4jujs7pclx5d3mmc7wduq7mv3qa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
vipkeylogger
Create hunting rule
Similar samples:
22b3b9c3a34da4f16249ea7fd03526cad207e0535137f66c1c7596c43faadac0
MassLogger
373e2de5a86643443e0a31987c68a69a9c0c816b08becedc61d8a1a3aa6902c2
MassLogger
394052f1b64477e13f76845563cb611aaeb78fc8a153f262ec44326c9606d2c0
MassLogger
9a94e891e348c3b34f1087fc5bd0f4d54f01f7ac6c6e58ae558d24e25013587b
MassLogger
c13bf83a2f54a7891da4885235434bafef3dd0a00ff221db0c897dc270d91e81
MassLogger
error
MassLogger
+ 175 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250813-f9lp9aslw9/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/59522ecb-32f8-42c2-a927-2c5ff06f1c9f
Unpacked files
SH256 hash:
004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0
MD5 hash:
e230c1216635c46430ef04a219eb53e8
SHA1 hash:
b0ed7bf08e6a0e7241ce48dc99c5034c9c4e9a48
Link:
https://www.unpac.me/results/88a171c1-0b5f-49a6-acfe-98b51589b87a/
SH256 hash:
78007b2dfa309c92e038f0e7a56ce9547fd239a14a6e18a4452b462c71adba0d
MD5 hash:
ad8de6128ec14274c2df52d52cb40c92
SHA1 hash:
2fad5f79f51690c61e00954a7643d244ad2d86b0
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/88a171c1-0b5f-49a6-acfe-98b51589b87a/
Parent samples :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 hash:
136a60c9c8c39591bd8dc97f1fb75cead5c9f8ed578ea0fee8a6732254dbd6d5
MD5 hash:
ff838709ab4f29234fdbe779e474fa2a
SHA1 hash:
80f5ae51201c00596589e050cdc445da93403991
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/88a171c1-0b5f-49a6-acfe-98b51589b87a/
Parent samples :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 hash:
7d902d463b471081cdd3d4c7f09e8d5b4aa23c7a2eac3445c25ffe4bc135d567
MD5 hash:
ed57164074737beb04d9b9bc5ee557a3
SHA1 hash:
ac3c7bae305c587b9a2f276d2d5b376b1e633517
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/88a171c1-0b5f-49a6-acfe-98b51589b87a/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/004dcf9aaffa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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_DotNetProcHook
Create hunting rule
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. 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:matiex
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked matiex malware samples.
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_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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 004dcf9aaffaca3efa1f6e0019e9205f1344cbef12efd1ed8c17ec3a43ecaee0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21039/

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 (GUARD_CF)high

Comments