MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75cc0d7abb4cb0145f0dc0639fbee4be7925dd45a38664e063095963c482ea78. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 75cc0d7abb4cb0145f0dc0639fbee4be7925dd45a38664e063095963c482ea78
SHA3-384 hash: 5c0edaf3724342d85352900c8ea722f7df4f718ecee3809981ea3ddc6efb6d834e461e3212de4ed19ad87c879e9a01e2
SHA1 hash: aba2f7a0dbf1dd9ee86960fe9d6109e494dba69e
MD5 hash: b0200705aeb8d472660a0c7e8a553347
humanhash: nitrogen-mike-ink-mars
File name:PR1680 - TEKLİF İSTEĞİ - TUSAŞ TÜRK HAVACILIK UZAY SANAYİİ PDF.exe
Download: download sample
Signature MassLogger
File size:1'077'760 bytes
First seen:2026-02-02 07:29:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 24576:b7Uk7CN7WP4HVfxpGsRdmxdWUSgwU62iwRtPQ96PdP:U17WgHVfxphRE5SgwUAk+6Pd
Threatray 2'871 similar samples on MalwareBazaar
TLSH T13F35120422ADC74AD97B9FF48421E1706779ACBE7911D2469FCE3CDBB43AB25841A703
TrID 35.4% (.EXE) Win64 Executable (generic) (10522/11/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4504/4/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
138
Origin country :
CH CH
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
PR1680 - TEKLİF İSTEĞİ - TUSAŞ TÜRK HAVACILIK UZAY SANAYİİ PDF.exe
Verdict:
Malicious activity
Analysis date:
2026-02-02 07:30:03 UTC
Tags:
auto-startup susp-lnk

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
backdoor autorun micro shell
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-02T04:14:00Z UTC
Last seen:
2026-02-02T09:42:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Stealer.gen Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Agent.sb VHO:Backdoor.Win32.Androm.gen Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.WinLNK.Powecod.e
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MassLogger RAT, Snake Keylogger, VIP Key
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
Suricata IDS alerts for network traffic
Suspicious powershell command line found
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 the Telegram API (likely for C&C communication)
Windows shortcut file (LNK) contains suspicious command line arguments
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1861426 Sample: - TEKL#U0130F #U0130STE#U01... Startdate: 02/02/2026 Architecture: WINDOWS Score: 100 35 reallyfreegeoip.org 2->35 37 api.telegram.org 2->37 39 2 other IPs or domains 2->39 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 57 18 other signatures 2->57 8 - TEKL#U0130F #U0130STE#U011e#U0130 - TUSA#U015e T#U00dcRK HAVACILIK UZAY SANAY#U0130#U0130 PDF.exe 7 2->8         started        12 powershell.exe 15 2->12         started        signatures3 53 Tries to detect the country of the analysis system (by using the IP) 35->53 55 Uses the Telegram API (likely for C&C communication) 37->55 process4 file5 29 C:\Users\user\AppData\...\JgwlXlufba.exe, PE32 8->29 dropped 31 C:\Users\...\JgwlXlufba.exe:Zone.Identifier, ASCII 8->31 dropped 33 - TEKL#U0130F #U01...0#U0130 PDF.exe.log, ASCII 8->33 dropped 59 Adds a directory exclusion to Windows Defender 8->59 61 Injects a PE file into a foreign processes 8->61 14 - TEKL#U0130F #U0130STE#U011e#U0130 - TUSA#U015e T#U00dcRK HAVACILIK UZAY SANAY#U0130#U0130 PDF.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 JgwlXlufba.exe 5 12->20         started        22 conhost.exe 1 12->22         started        signatures6 process7 dnsIp8 41 api.telegram.org 149.154.166.110, 443, 49708, 49727 TELEGRAMRU United Kingdom 14->41 43 checkip.dyndns.com 193.122.130.0, 49690, 49692, 49694 ORACLE-BMC-31898US United States 14->43 45 reallyfreegeoip.org 104.21.67.152, 443, 49691, 49693 CLOUDFLARENETUS United States 14->45 67 Tries to steal Mail credentials (via file / registry access) 14->67 69 Loading BitLocker PowerShell Module 18->69 24 conhost.exe 18->24         started        71 Antivirus detection for dropped file 20->71 73 Multi AV Scanner detection for dropped file 20->73 75 Injects a PE file into a foreign processes 20->75 26 JgwlXlufba.exe 20->26         started        signatures9 process10 signatures11 63 Tries to steal Mail credentials (via file / registry access) 26->63 65 Tries to harvest and steal browser information (history, passwords, etc) 26->65
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.17 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2026-02-02 07:20:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
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
Drops startup file
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
75cc0d7abb4cb0145f0dc0639fbee4be7925dd45a38664e063095963c482ea78
MD5 hash:
b0200705aeb8d472660a0c7e8a553347
SHA1 hash:
aba2f7a0dbf1dd9ee86960fe9d6109e494dba69e
SH256 hash:
77a22aa49513f0424017549f49bcf531c73e728d00d509fbb144b201ce4e0bcb
MD5 hash:
fab9060d31e97662094a2c13835d6418
SHA1 hash:
04b7d52b2d4cd289effe0f8b506367397dd6de0e
SH256 hash:
067c3c6d3fdba99e5111e93a38881ad3d614c97f3c26c6060bc71bd18a2dd4b3
MD5 hash:
2da40dee60c0c30a7494c078ff0a5544
SHA1 hash:
a6232ec3631beb938b59e366060b36932d13783a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe 75cc0d7abb4cb0145f0dc0639fbee4be7925dd45a38664e063095963c482ea78

(this sample)

  
Delivery method
Distributed via e-mail attachment

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