MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33
SHA3-384 hash: 3093222cee3826103e1ab1ad60e9310ce53e6373ade746bb4df8d2539f3afaa491c6ccb793931689c89ce359b40ecb83
SHA1 hash: 8c90871eab20e87d17748eab86abf02bc2a416f0
MD5 hash: 59e39d034f7afb6156bff29c717d8626
humanhash: pennsylvania-four-coffee-nevada
File name:Teklif Talebi İhale No-14990_xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:765'952 bytes
First seen:2025-03-25 16:44:05 UTC
Last seen:2025-04-08 08:18:39 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 12288:ndWrYyOn6nzxf+fPiOQRnYrKxZGKs/LH0D4Zhdke2dqkWCuqZbqgM:AY9n6n4faOIYreZGKsj0D4ZhL+5ZWb
TLSH T17BF401689608DA07CA9957B52A72F674137D1EEEF806D3168FDDBCEF7C26B104C40292
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 :
2
# of downloads :
445
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3285.24282.15296.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e2dd83cb6d38a89f3e06aa
Tags:
underscore spawn shell excel
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)
Searching for the window
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33
Result
Verdict:
MALICIOUS
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0a20367a-cef3-4f87-8f71-206400d6964b
Result
Threat name:
MassLogger RAT, Snake Keylogger, VIP Key
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1648281
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
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 MassLogger RAT
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1648281 Sample: Teklif Talebi #U0130hale No... Startdate: 25/03/2025 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 Teklif Talebi #U0130hale No-14990_xlsx.exe 7 2->8         started        12 SPBIJvyGpGHQO.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\...\SPBIJvyGpGHQO.exe, PE32 8->41 dropped 43 C:\...\SPBIJvyGpGHQO.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp2A10.tmp, XML 8->45 dropped 47 Teklif Talebi #U01...-14990_xlsx.exe.log, ASCII 8->47 dropped 81 Adds a directory exclusion to Windows Defender 8->81 83 Injects a PE file into a foreign processes 8->83 17 powershell.exe 23 8->17         started        20 Teklif Talebi #U0130hale No-14990_xlsx.exe 15 2 8->20         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        85 Multi AV Scanner detection for dropped file 12->85 27 SPBIJvyGpGHQO.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, 49713, 49716 TELEGRAMRU United Kingdom 20->57 59 reallyfreegeoip.org 104.21.80.1, 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/aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-03-25 08:31:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vljukgserrytcewqdq5p2g4nypecn47acdy2nhm44vsybpmcbizq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
vipkeylogger
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250325-t82lzaspy8/
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/425384ab-f62d-4032-8b2a-14ab53ed3770
Unpacked files
SH256 hash:
bbac028c0470bfe98177dde3bbd82b48a316a992fb51797a79e1aca9064bfb9f
MD5 hash:
2e794cc77833e2e5f4a8514a9014e5e8
SHA1 hash:
288d60c2f36ce703122034fec75f56096595a629
Link:
https://www.unpac.me/results/a0a76fff-eead-4b7e-ad8b-701b3de583a3/
SH256 hash:
7f1bf6c2299bf57bcda060b36d58d09e41a4edf8094bbe5ef61d2a18110674b5
MD5 hash:
19cf59672f953b6ef715d115dd634c16
SHA1 hash:
9319e76b3d2c535f15e3540d0eb61b860f745dc1
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/a0a76fff-eead-4b7e-ad8b-701b3de583a3/
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/a0a76fff-eead-4b7e-ad8b-701b3de583a3/
Parent samples :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 hash:
aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33
MD5 hash:
59e39d034f7afb6156bff29c717d8626
SHA1 hash:
8c90871eab20e87d17748eab86abf02bc2a416f0
Link:
https://www.unpac.me/results/a0a76fff-eead-4b7e-ad8b-701b3de583a3/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aad3451a448c/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/aad3451a448c713112d01c3afd1b8dc3c826f3e010f1a69d9ce56580bd820a33

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.

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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