MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e
SHA3-384 hash: 627c9c0a5183b0ebf1dce160f53a2d01ec54f1fdf0e295e0322b226b32263853bf21e50cef523e58544ff717e76f350b
SHA1 hash: e9017cd563cc0a706cdf37a8671bc2a0c9d2bc9c
MD5 hash: c6a8c3eb7aac9d6bc575c07b15fa9184
humanhash: orange-river-massachusetts-winter
File name:PO S240556.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:697'344 bytes
First seen:2025-03-26 17:07:40 UTC
Last seen:2025-04-08 08:26:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:HGwK7tzJ+Wnqn++Kkchq1uHEEWTIrqZgFfIyJKop37VrOFDDN/mrFUezlndhv43n:dKzMskchVHEEJdKopBwDN
TLSH T19AE4AE9C3610B59FC957C532CA64ED74AA606CAA930BC30399D72DEFB90D997DF100E2
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 16e8c8e8e8c8e812 (10 x SnakeKeylogger, 9 x Formbook, 6 x MassLogger)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
486
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO S240556.exe
Verdict:
Malicious activity
Analysis date:
2025-03-26 17:07:48 UTC
Tags:
snake keylogger evasion stealer telegram ims-api generic
Link:
https://app.any.run/tasks/a28ad0e0-388a-4b5b-a099-54e96f1df0b2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e4347f12b5dc44da3e4407
Tags:
n/a
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67e4347ff274bf2d8e23b1f4/reports/82e2c8a0-10f1-4fb9-ad89-8583d05c20d4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75a292b3-5712-4ecc-afc7-a4df0678f28d
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1649371
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
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 MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1649371 Sample: PO S240556.exe Startdate: 26/03/2025 Architecture: WINDOWS Score: 100 51 reallyfreegeoip.org 2->51 53 api.telegram.org 2->53 55 2 other IPs or domains 2->55 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 81 13 other signatures 2->81 8 PO S240556.exe 7 2->8         started        12 vaGJgxW.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 77 Tries to detect the country of the analysis system (by using the IP) 51->77 79 Uses the Telegram API (likely for C&C communication) 53->79 process4 dnsIp5 43 C:\Users\user\AppData\Roaming\vaGJgxW.exe, PE32 8->43 dropped 45 C:\Users\user\...\vaGJgxW.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpDE0D.tmp, XML 8->47 dropped 49 C:\Users\user\AppData\...\PO S240556.exe.log, ASCII 8->49 dropped 83 Adds a directory exclusion to Windows Defender 8->83 17 powershell.exe 23 8->17         started        20 PO S240556.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 87 Injects a PE file into a foreign processes 12->87 27 vaGJgxW.exe 12->27         started        29 schtasks.exe 12->29         started        31 vaGJgxW.exe 12->31         started        63 127.0.0.1 unknown unknown 14->63 file6 signatures7 process8 dnsIp9 65 Loading BitLocker PowerShell Module 17->65 33 conhost.exe 17->33         started        35 WmiPrvSE.exe 17->35         started        57 checkip.dyndns.com 132.226.247.73, 49682, 49684, 80 UTMEMUS United States 20->57 59 api.telegram.org 149.154.167.220, 443, 49686, 49687 TELEGRAMRU United Kingdom 20->59 61 reallyfreegeoip.org 104.21.48.1, 443, 49683, 49685 CLOUDFLARENETUS United States 20->61 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        67 Tries to steal Mail credentials (via file / registry access) 27->67 69 Tries to harvest and steal browser information (history, passwords, etc) 27->69 41 conhost.exe 29->41         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e/
Threat name:
Win32.Trojan.Sonbokli
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 17:27:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cxr5f4vofhddebxrhkqxnaujvaykylxxdsbse7r3yynggswxwbpa._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250326-vnmsra1ns8/
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/3fa5677e-3cb8-4d69-b02b-11aad721ca83
Unpacked files
SH256 hash:
15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e
MD5 hash:
c6a8c3eb7aac9d6bc575c07b15fa9184
SHA1 hash:
e9017cd563cc0a706cdf37a8671bc2a0c9d2bc9c
Link:
https://www.unpac.me/results/1c830a28-40a7-476a-8241-0c8b1fee7869/
SH256 hash:
b9e536962697c27d8fdce00ac92f99beb91a5eb993c681b1b444e91190fe797d
MD5 hash:
cb1a3b84fc009e4656ad88822c8bd4a2
SHA1 hash:
031842425284b44fa7110b72ff09b2171965361c
Link:
https://www.unpac.me/results/1c830a28-40a7-476a-8241-0c8b1fee7869/
SH256 hash:
26544757b095df3dd32f8b9adcd458022a02dacf76aae61902c16839873a4e39
MD5 hash:
1672d335ad762eddbdb066293c2c6319
SHA1 hash:
9353cc06c898a5b10a81c1c6e1f0a906c6bbdd53
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/1c830a28-40a7-476a-8241-0c8b1fee7869/
SH256 hash:
2031959b67cf28d179be43896b22577849e7b498eed267672679a7a03d17cd63
MD5 hash:
2474ab047b8bf1cc5e609e3e1e9f4859
SHA1 hash:
9a21d83408c13a9fe56c52f0d1a392e49730432f
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_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/1c830a28-40a7-476a-8241-0c8b1fee7869/
Parent samples :
2e7fac97bc9785e461473c2776be1da2d9dfe7916753d4a3148c5055edeb9bd6
dbf83094e42dc231fe1a1b00f3fe1e4cbfaed8757afdb3d5a166e91d3b3733ea
3fd28257bdeaa92317003361ab95675732239e5282fde0ac2e2c7bf941ba1c98
15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e
b6c45c8c84ef7a1dfb09d090edb513c90561a1094cd3a25caa644a486e0828ae
1081e4e28ab35a70584e49c4a5dbd783b02c9380e797c5e542d93f5ebbda9ab5
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/15e3d2f2ae29/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/15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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)

File information

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

Malspam

MassLogger

Executable exe 15e3d2f2ae29c63206f13aa1768289a830ac2ef71c83227e3bc61a634ad7b05e

(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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