MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b639c886848b26cb4a05ac3817024a9d8191665d8783f8d24b2fa42260fc5972. 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 9 File information Comments

SHA256 hash: b639c886848b26cb4a05ac3817024a9d8191665d8783f8d24b2fa42260fc5972
SHA3-384 hash: 9280b3407afd6274dbb70d1e30384e9667054889dfbe8aaedbe5c4dd551f3d0e0ede5ed380c662d0943309316b121c90
SHA1 hash: eaaeaf965fee1b5dc2b6e7444aa0d8490f2305cb
MD5 hash: 1f21bb830d63da0f2760711092c5cfff
humanhash: cat-bluebird-angel-golf
File name:Ticari Hesap zetiniz.exe
Download: download sample
Signature MassLogger
File size:1'042'440 bytes
First seen:2025-02-28 07:36:18 UTC
Last seen:2025-02-28 08:31:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:gY8qcictIsbysxWyTwz5CZ81JVwkFrvKKpx4I4EaE:Z8qcJbysxWyczmkcGvLP4JE
Threatray 2 similar samples on MalwareBazaar
TLSH T19325F11CBB5A9D9ACA8C0A7BC543946082F5C496F76BF3AF81CD5CE44E25B16C88F443
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
dhash icon b0b268e8ccd486a2 (11 x Formbook, 5 x SnakeKeylogger, 3 x MassLogger)
Reporter abuse_ch
Tags:exe geo MassLogger TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
423
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ticari Hesap zetiniz.exe
Verdict:
Malicious activity
Analysis date:
2025-02-28 08:21:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Searching for synchronization primitives
Creating a window
Launching a service
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
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated obfuscated obfuscated packed packed packer_detected signed vbnet
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1626327 Sample: Ticari Hesap zetiniz.exe Startdate: 28/02/2025 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 14 other signatures 2->50 7 Ticari Hesap zetiniz.exe 11 7 2->7         started        11 CibQrEstQ.exe 2->11         started        process3 file4 36 C:\Users\user\AppData\Roaming\CibQrEstQ.exe, PE32 7->36 dropped 38 C:\Users\...\CibQrEstQ.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp3033.tmp, XML 7->40 dropped 42 C:\Users\...\Ticari Hesap zetiniz.exe.log, ASCII 7->42 dropped 52 Adds a directory exclusion to Windows Defender 7->52 13 powershell.exe 23 7->13         started        16 powershell.exe 23 7->16         started        18 schtasks.exe 1 7->18         started        20 RegSvcs.exe 1 3 7->20         started        54 Multi AV Scanner detection for dropped file 11->54 56 Writes to foreign memory regions 11->56 58 Allocates memory in foreign processes 11->58 60 Injects a PE file into a foreign processes 11->60 22 schtasks.exe 11->22         started        24 RegSvcs.exe 11->24         started        signatures5 process6 signatures7 62 Loading BitLocker PowerShell Module 13->62 26 conhost.exe 13->26         started        28 WmiPrvSE.exe 13->28         started        30 conhost.exe 16->30         started        32 conhost.exe 18->32         started        34 conhost.exe 22->34         started        process8
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2025-02-27 03:23:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unknown_loader_037
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Checks processor information in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
b639c886848b26cb4a05ac3817024a9d8191665d8783f8d24b2fa42260fc5972
MD5 hash:
1f21bb830d63da0f2760711092c5cfff
SHA1 hash:
eaaeaf965fee1b5dc2b6e7444aa0d8490f2305cb
SH256 hash:
08f6931df99bec841f9a763318452d54272c2df3712f0398ec5203d32d9a29d8
MD5 hash:
d49a7f0bb9afd4dfead42030822aed84
SHA1 hash:
62fdf62b362fb2a30f73e955d7e0dbc48daacea2
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
689b5664a37782d16a6fc0e841b5e58f98fc547382bd628f786fcf3a66ff7935
MD5 hash:
a542fd11e42dd60e9f8a5b9056885927
SHA1 hash:
7123a1432a350405fa7734e150e07416cb78ac6f
SH256 hash:
45b73ebbddc3937ed579095fcc667971acc1cfc0da4d99819f7a36b3c9c86c0b
MD5 hash:
549cf2274512d3d308813748f2dda1ac
SHA1 hash:
fe487045d5f8b6f7928a6cd6095853ef8270cd81
Detections:
win_mofksys_auto SUSP_Imphash_Mar23_2
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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 (GUARD_CF)high

Comments