MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0
SHA3-384 hash: fc7d571c5ca080fc07e1f80ebc5d2f0a05927d6275129288462f8e297e0a547e1205a99348f933e8a561c1c8cc3b9cc7
SHA1 hash: 2d21a26a8a167a8cd5f20631d60f19fde4ba2bd6
MD5 hash: 90bb47b422e8d83ae691f450e5528b38
humanhash: lactose-pluto-alpha-bluebird
File name:TEKLIF_PDF.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:826'880 bytes
First seen:2025-04-04 08:52:36 UTC
Last seen:2025-04-04 10:28:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:q3rptf2IiCKQNHtsTGVXBHrSkJfMac/EgGJSB:qr21CHGT8BHG4kb/Egt
Threatray 864 similar samples on MalwareBazaar
TLSH T1E10512602755DC02E98287B99D72E3F8067C5EDDB822D3178FEAFCDB783A65128141D2
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 :
3
# of downloads :
241
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/552/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67efa01a855e5ec5240dded3
Tags:
snake krypt spawn msil
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
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
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67ef9df40eb02f7be139acb1/reports/b45fa72a-eba5-4855-a48a-ba1a92f20195/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4792c6e0-9a43-4648-891b-ddde1ffe8363
Result
Threat name:
PureLog Stealer, Snake Keylogger, VIP Ke
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1656459
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
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
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 PureLog Stealer
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1656459 Sample: TEKLIF_PDF.exe Startdate: 04/04/2025 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 17 other signatures 2->79 8 TEKLIF_PDF.exe 7 2->8         started        12 LxcqXHNXRb.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\...\LxcqXHNXRb.exe, PE32 8->41 dropped 43 C:\Users\...\LxcqXHNXRb.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpCEC8.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\TEKLIF_PDF.exe.log, ASCII 8->47 dropped 81 Uses schtasks.exe or at.exe to add and modify task schedules 8->81 83 Adds a directory exclusion to Windows Defender 8->83 17 powershell.exe 23 8->17         started        20 TEKLIF_PDF.exe 15 2 8->20         started        23 powershell.exe 22 8->23         started        25 schtasks.exe 1 8->25         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 27 LxcqXHNXRb.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 checkip.dyndns.com 132.226.247.73, 49681, 49684, 49686 UTMEMUS United States 20->55 57 api.telegram.org 149.154.167.220, 443, 49711, 49721 TELEGRAMRU United Kingdom 20->57 59 reallyfreegeoip.org 104.21.48.1, 443, 49682, 49683 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/4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0/
Threat name:
Win32.Spyware.Snakekeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-04-04 08:53:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
28 of 38 (73.68%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=indxibri3xub6djeieptsdqa6fubkubg3lu3zahc42bx4oaymcqa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
vipkeylogger
Create hunting rule
Similar samples:
2e2f0dd7f4cff14d7889290ab1dea80e5fd3226b5eae0523c526d74396023866
MassLogger
8337a1c0c50f95b4e6f8ced766b5b8817c2bbd4f9ee1e71c275c6a025cefab7b
MassLogger
a29feb5a19c2eb1dd0a09402eabca6d9a721c4f46e5f1ec013e36ee3069e0f3d
MassLogger
dc14e11fa87b2110c957be1632f6ce7c9f4d02a53401337d4a9d60d42ecb4b4a
MassLogger
+ 854 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger spyware stealer
Link:
https://tria.ge/reports/250404-ktb84awkz3/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
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
VIPKeylogger
Vipkeylogger family
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/ccd0bd08-5942-4c33-84a4-2fdf61f06e23
Unpacked files
SH256 hash:
4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0
MD5 hash:
90bb47b422e8d83ae691f450e5528b38
SHA1 hash:
2d21a26a8a167a8cd5f20631d60f19fde4ba2bd6
Link:
https://www.unpac.me/results/63fbd9ff-0f1c-4dcc-b1a6-ef7246b1d778/
SH256 hash:
2ef4fcc318a8c9e7c079e2735f9c9657dc8320bfe20f03b93ecbe6d7bd0d98c9
MD5 hash:
b144e6f40923030dd1f609b1762f9e1f
SHA1 hash:
1eadb61d70c7a75eebb0b336d2972253a22357ec
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/63fbd9ff-0f1c-4dcc-b1a6-ef7246b1d778/
SH256 hash:
4c87f22ce2466f1e1447d80155a69833eff54dad60df6f292484976e2c2f805b
MD5 hash:
1f92cd38cabcac55f53583ff74d369ff
SHA1 hash:
2275f5b0aec3f7d17854906bb5a7f00451d1d31f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/63fbd9ff-0f1c-4dcc-b1a6-ef7246b1d778/
Parent samples :
69f684f1e3a4c73362a0e9d775ec1717be3e730bee70a096b578775c0df39ddf
4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0
f280bb4d1036eb4e6e7410ed52db364722e9d0efab5f4030834488f0136bc52b
3ab9c6d950c228d286795fd61b70a4bd7c1c3de889ccac47dc68d5f23a24408e
8c3a0f760deceeb69b81b809d2a16cb2ff5979f4b332fc4243eed61fb2111e17
3543cb3f9359037b6f177ab44ef175f17017381b33759d9709b46268f248012a
d28358e40350fd9a8b4433a33131b7f567d66c1f9a20b6bd276178b585304580
e36801a3e24d697a55c6b00e156a88d1a27d81b83ab4c50f1ec6e6ca7d455d31
e28ab1b33d7446770039a494f9642261f70e85d95439f22bc61e6267c21b53c9
74a3ca19e62c2633b41517a640acf4e1e9d8588c9c7829fef8dc2602fd242e8d
SH256 hash:
18b31eacb720e1263205ef7a00073368a53825b289a0cb8f9d8dae5e5c4309ee
MD5 hash:
a52486262d781e5930443567fe5ffd59
SHA1 hash:
a8ca6f324eae479aa05efd0d98ffccde9988a584
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/63fbd9ff-0f1c-4dcc-b1a6-ef7246b1d778/
Parent samples :
2e2f0dd7f4cff14d7889290ab1dea80e5fd3226b5eae0523c526d74396023866
6a98c2262fbd495da5fbb8d4bf592d56802fcba590cf1d453ef41ae0bbb1e0ce
b10b71158bb79449f65666341c27da1066f2ba04d85ebc0971906dc8dbfc5f91
a9a87510d6ea1ba4e8ac3d7fe1fc5099a356b6d99fe729d384cbf2b665a653a5
aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33
15129e8c98976b6364fcf04b6767140dfec8152a5c7b3554178ac9f75f0e6c8c
2c512dbdf7cbcba6319dba5ba9fb23bade3d257ef8729949d632cd659505c5ef
d17546c845d931c1b2440786a57b209d425d3a008e9082ac5cfb7f09e681afb0
85feaa55c26b755a19532a790f98fb4319698d25d3478fb25fe3eb0fdc8891ee
4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0
60ba9f1dc99397a446dcf05de4f6076d14c2e58200d0f535eed01edd9bd7b265
f45a08004e83115a292abe23532991b07eb50bd08a19217ef4fa09420a6dad10
0bd1c5cb9f1a1f2dd30a3fc2188b542364a4cd051c48a1c3ce816bb4ea75c512
a7bdab2286bade8325d6379938c78a841434f18092089d9487a80a89496548ad
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4347740628dd/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/4347740628dde81f0d24411f390e00f168155026dae9bc80e2e6837e381860a0

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_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: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/552/

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

Comments