MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67
SHA3-384 hash: 16a0686a331a8519409df938efa37b0f3b853c58bc278b156ac67db754f2f95f3395b61b943feaa3082314bf991a8a64
SHA1 hash: 44dd2812d89d26ae66b75a48fcf49266c6083cdd
MD5 hash: a9e8fb283d3c07bcdc1a73120dca9c8d
humanhash: hydrogen-nuts-nuts-east
File name:Teklif Eklidir.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:507'904 bytes
First seen:2025-04-10 18:11:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Ozyo6/8ewy+7Pp/z+17LPlNggj1oDppa//ZH3t4oPKMf9:wIAh4Lzvjutu/ZXuM
TLSH T172B40258325ADE16C1A20BF50C22C2F857748E9DE911D713AFDABDEB743B3552882393
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 abuse_ch
Tags:exe geo MassLogger TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
415
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Teklif Eklidir.exe
Verdict:
Malicious activity
Analysis date:
2025-04-10 21:06:39 UTC
Tags:
evasion snake keylogger stealer netreactor ims-api generic
Link:
https://app.any.run/tasks/859030f0-f7a4-4c26-96af-b845eaa71ceb

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/1651/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f80eae1dba888a93cf7bd0
Tags:
agenttesla snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
infostealer obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67f80a03b070fb3f9461f128/reports/3e764a17-8f6b-452d-b220-0b984f2c89a9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38a319e8-5ddc-4544-a52f-826214d8ba39
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1662395
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 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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1662395 Sample: Teklif Eklidir.exe Startdate: 10/04/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 checkip.dyndns.org 2->48 50 checkip.dyndns.com 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 60 12 other signatures 2->60 8 Teklif Eklidir.exe 7 2->8         started        12 gyiqwqVN.exe 5 2->12         started        signatures3 58 Tries to detect the country of the analysis system (by using the IP) 46->58 process4 file5 34 C:\Users\user\AppData\Roaming\gyiqwqVN.exe, PE32 8->34 dropped 36 C:\Users\...\gyiqwqVN.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp2272.tmp, XML 8->38 dropped 40 C:\Users\user\...\Teklif Eklidir.exe.log, ASCII 8->40 dropped 62 Adds a directory exclusion to Windows Defender 8->62 64 Injects a PE file into a foreign processes 8->64 14 powershell.exe 22 8->14         started        17 Teklif Eklidir.exe 15 2 8->17         started        20 schtasks.exe 1 8->20         started        66 Multi AV Scanner detection for dropped file 12->66 22 gyiqwqVN.exe 14 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 68 Loading BitLocker PowerShell Module 14->68 26 conhost.exe 14->26         started        28 WmiPrvSE.exe 14->28         started        42 checkip.dyndns.com 193.122.130.0, 49687, 49688, 80 ORACLE-BMC-31898US United States 17->42 44 reallyfreegeoip.org 104.21.64.1, 443, 49689, 49690 CLOUDFLARENETUS United States 17->44 30 conhost.exe 20->30         started        70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-04-09 11:41:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yx6ao2pwlju7edxt4nhqffpvsmsskjr2zc3z6xbdm3eklshsjvtq._file
Verdict:
malicious
Label(s):
captiveaaloader
Create hunting rule
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250410-wtak2synz5/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/989c4356-446c-464d-a512-e89f8deefd7c
Unpacked files
SH256 hash:
c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67
MD5 hash:
a9e8fb283d3c07bcdc1a73120dca9c8d
SHA1 hash:
44dd2812d89d26ae66b75a48fcf49266c6083cdd
Link:
https://www.unpac.me/results/d15211a7-a95c-4d4e-ae55-c06504b11fca/
SH256 hash:
8c220de2539681c27157eb029de7ca87b3a978fb2ff9069e1be3f1e7dc8da4fb
MD5 hash:
4376250eea0838e54a7b2a8ec7673781
SHA1 hash:
1ff24812c98573ec13df9fffee0f1bc2ee5607d7
Link:
https://www.unpac.me/results/d15211a7-a95c-4d4e-ae55-c06504b11fca/
SH256 hash:
19a8e0fc7f9964b61739a91ac45a259ffaa25e9660ce28a9056d53269752be7d
MD5 hash:
1847f8fd27b62a497890d3593034abfd
SHA1 hash:
6a7d68ac0c7cdec18bb9d3b0622793c7c6672e22
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/d15211a7-a95c-4d4e-ae55-c06504b11fca/
SH256 hash:
05917c0e2b1e13ac54483e1063a2479e75ca65812bd22fa1054592527ed3119a
MD5 hash:
9c751cc948b385a34a2f898913407de8
SHA1 hash:
f5b0b2c25fdc1330e73a5822552f1f01dbc44646
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_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/d15211a7-a95c-4d4e-ae55-c06504b11fca/
Parent samples :
c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67
7bd235f539219215d5df194e6d2ba885366d939e4b692f97a194463ecad34d4b
44c30ee149db82e69e71f8c4707d0b328ddc310716da18600d2fe495ac3220a2
6c4d270681da5377dc375d3d4d026eddef87918f6613990f0779884b794cf415
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5fc0769f65a/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/c5fc0769f65a69f20ef3e34f0295f5932525263ac8b79f5c2366c8a5c8f24d67

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Cape
Cape
https://www.capesandbox.com/analysis/1651/

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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