MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f0a903ed723fe64628f000c2d4d53fbbaa9313e596667341d7e367305e11133. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 9f0a903ed723fe64628f000c2d4d53fbbaa9313e596667341d7e367305e11133
SHA3-384 hash: 85f7dac511207777683f470188e49b7d8779f4d066ea9a97fa624fb88de3a13b98f40b2f109845240e8bc38358572a47
SHA1 hash: d0ef352777e4c2c906b5ee0f2e7baee59cc3ea2f
MD5 hash: 66e5de73da441508e07a1da0f1389e2c
humanhash: golf-cold-kentucky-timing
File name:PO02466.exe
Download: download sample
Signature MassLogger
File size:791'552 bytes
First seen:2025-05-02 12:46:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:vmZJVJ++J+QJ+Tvs0rHyuNX0fTTZJUA6AY9rB8aRzaxDQb2aDhzDOKg:y+y+w+Ls4HbNkrTZJUA6Z9rF5aK6
Threatray 1'601 similar samples on MalwareBazaar
TLSH T134F4D0487644EA4FC9520E328951EAB417216C5FEE03D383AAE73EDFB43DB158E04796
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 threatcat_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
606
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO02466.exe
Verdict:
Malicious activity
Analysis date:
2025-05-02 12:51:29 UTC
Tags:
evasion snake keylogger stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed phishing
Malware family:
Snake Keylogger
Verdict:
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1679883 Sample: PO02466.exe Startdate: 02/05/2025 Architecture: WINDOWS Score: 100 48 reallyfreegeoip.org 2->48 50 checkip.dyndns.org 2->50 52 checkip.dyndns.com 2->52 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 66 10 other signatures 2->66 8 PO02466.exe 7 2->8         started        12 TqjSbCIH.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 48->64 process4 file5 40 C:\Users\user\AppData\Roaming\TqjSbCIH.exe, PE32 8->40 dropped 42 C:\Users\...\TqjSbCIH.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmp3943.tmp, XML 8->44 dropped 46 C:\Users\user\AppData\...\PO02466.exe.log, ASCII 8->46 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 70 Adds a directory exclusion to Windows Defender 8->70 72 Injects a PE file into a foreign processes 8->72 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 PO02466.exe 15 2 8->19         started        28 2 other processes 8->28 74 Multi AV Scanner detection for dropped file 12->74 22 TqjSbCIH.exe 12->22         started        24 schtasks.exe 12->24         started        26 TqjSbCIH.exe 12->26         started        signatures6 process7 dnsIp8 76 Loading BitLocker PowerShell Module 14->76 30 conhost.exe 14->30         started        32 conhost.exe 14->32         started        34 WmiPrvSE.exe 14->34         started        36 conhost.exe 17->36         started        54 checkip.dyndns.com 193.122.6.168, 49692, 49695, 80 ORACLE-BMC-31898US United States 19->54 56 reallyfreegeoip.org 104.21.64.1, 443, 49693, 49694 CLOUDFLARENETUS United States 19->56 78 Tries to steal Mail credentials (via file / registry access) 22->78 80 Tries to harvest and steal browser information (history, passwords, etc) 22->80 38 conhost.exe 24->38         started        signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-05-02 05:55:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
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
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
9f0a903ed723fe64628f000c2d4d53fbbaa9313e596667341d7e367305e11133
MD5 hash:
66e5de73da441508e07a1da0f1389e2c
SHA1 hash:
d0ef352777e4c2c906b5ee0f2e7baee59cc3ea2f
SH256 hash:
ad63153f8f4029659477edb2133f698176d3b8db01b90fbc959464bc090a88bb
MD5 hash:
64f7078671348a36b6e1ffd8db1a1d89
SHA1 hash:
021d8b8e20e494e9e9b51baa9afa4da6171ad507
SH256 hash:
e5ca3f4ffc00a162c8cab72a1c263ca77c71bcca27a8f138c7e0c3aeb690831a
MD5 hash:
0c33acac222c15ef98e03d40cdad8a41
SHA1 hash:
8d91e60e38f98ca3b310cdc897e73b629e39091f
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
953763ba015e539b104f865a577d2679405f797edd623f7ec72c679c51817aef
MD5 hash:
e909eddfcc69c446830ba82657a561fd
SHA1 hash:
c1c21fc31ed33fea54b02e7e753c52ccbcbdecfd
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
PrivateLogger
Verdict:
Malicious
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 9f0a903ed723fe64628f000c2d4d53fbbaa9313e596667341d7e367305e11133

(this sample)

  
Delivery method
Distributed via e-mail attachment

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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