MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a2d28a73e4d553742d812c1248ea4612e84d1c1c8a1c8e036ffbeef2c1f3625. 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 16 File information Comments

SHA256 hash: 8a2d28a73e4d553742d812c1248ea4612e84d1c1c8a1c8e036ffbeef2c1f3625
SHA3-384 hash: ac8ed8877eeeb22f5850b46a548efe8fb20e2fb449f37d58a9f84a02142fd0fb0c26c7685489a43369d16898df4722b8
SHA1 hash: 0c678f825921de60bb42337bd2b1a91c376ceebe
MD5 hash: 5d97eeca454dbc0521c79b6dd030d05e
humanhash: echo-chicken-xray-red
File name:New PO advance Payment confirmation.exe
Download: download sample
Signature MassLogger
File size:550'912 bytes
First seen:2025-05-19 06:36:34 UTC
Last seen:2025-05-27 10:37:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v/fGkcPwGAUPyLODHLdCwxM19n1f8s1StEv6tilSRM:vXxcPwGA3LOf44G9nV8mRPlSy
Threatray 900 similar samples on MalwareBazaar
TLSH T128C4120EB66587A2C95D867BC0334004C5A3C56BE0B5F19B6EC42DF57C3AB8AE88E553
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon d4d4b4f4ccac8cc4 (4 x SnakeKeylogger, 3 x MassLogger, 1 x AgentTesla)
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
3
# of downloads :
500
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New PO advance Payment confirmation.exe
Verdict:
Malicious activity
Analysis date:
2025-05-19 06:50:20 UTC
Tags:
evasion snake keylogger stealer netreactor ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
backdoor spawn shell
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT, PureLog Ste
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
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
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 PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1693765 Sample: New PO advance Payment conf... Startdate: 19/05/2025 Architecture: WINDOWS Score: 100 48 reallyfreegeoip.org 2->48 50 edge.ds-c7110-microsoft.global.dns.qwilted-cds.cqloud.com 2->50 52 2 other IPs or domains 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 17 other signatures 2->66 8 New PO advance Payment confirmation.exe 7 2->8         started        12 KbimIqStJTq.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\...\KbimIqStJTq.exe, PE32 8->40 dropped 42 C:\Users\...\KbimIqStJTq.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmp68F2.tmp, XML 8->44 dropped 46 New PO advance Pay...onfirmation.exe.log, ASCII 8->46 dropped 68 Adds a directory exclusion to Windows Defender 8->68 70 Injects a PE file into a foreign processes 8->70 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 New PO advance Payment confirmation.exe 15 2 8->19         started        22 schtasks.exe 1 8->22         started        72 Multi AV Scanner detection for dropped file 12->72 24 KbimIqStJTq.exe 12->24         started        26 schtasks.exe 12->26         started        28 KbimIqStJTq.exe 12->28         started        signatures6 process7 dnsIp8 74 Loading BitLocker PowerShell Module 14->74 30 WmiPrvSE.exe 14->30         started        32 conhost.exe 14->32         started        34 conhost.exe 17->34         started        54 checkip.dyndns.com 158.101.44.242, 49715, 49717, 80 ORACLE-BMC-31898US United States 19->54 56 reallyfreegeoip.org 104.21.16.1, 443, 49716, 49718 CLOUDFLARENETUS United States 19->56 36 conhost.exe 22->36         started        76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 38 conhost.exe 26->38         started        signatures9 process10
Threat name:
Win32.Infostealer.Generic
Status:
Suspicious
First seen:
2025-05-17 06:12:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot7563824860:AAFtKVuS_3vhoBCo_2roo9esjdYoN9KIREg/sendMessage?chat_id=7758782479
Unpacked files
SH256 hash:
76df86965917c11bb70082924baee31cface32331158aebf99ee556fa5529e0e
MD5 hash:
4009763e1eb3024e24da664b15963876
SHA1 hash:
03006fdc535ce428ab8df8cbeb828e75fbcd513d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
0656f59c9e7cfa07d64cf4cd7d85ebd9b4399893cc853f3d1d37cca622d1f815
MD5 hash:
e4a8fe009b340647108a98105600f476
SHA1 hash:
03193855202feecd4bc542876855e706a243f13b
SH256 hash:
038ad66469d3551816eeebb2a36e42f2aa7653ce735865404aa770df2a16fb61
MD5 hash:
9921c47dd7625280a50009f6f486e0a6
SHA1 hash:
d6bfb6854be5324fc46bc2af378b08aad7221228
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
8a2d28a73e4d553742d812c1248ea4612e84d1c1c8a1c8e036ffbeef2c1f3625
MD5 hash:
5d97eeca454dbc0521c79b6dd030d05e
SHA1 hash:
0c678f825921de60bb42337bd2b1a91c376ceebe
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_masslogger_w0
Author:govcert_ch

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe 8a2d28a73e4d553742d812c1248ea4612e84d1c1c8a1c8e036ffbeef2c1f3625

(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

Comments