MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c
SHA3-384 hash: 0da2640b7938f7df8783a3c8a7689bb6a1e007ae3d0b2c98d6e17eeaee2e037658e9050df2766026a0edefe68dcf3f0c
SHA1 hash: 49595d21ff553f5fc8997db92ad6697b1966e9c1
MD5 hash: 18d267ea2bccf03dc7fe39377688b308
humanhash: pasta-beer-twelve-king
File name:1C25TSF_00000001699.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:937'984 bytes
First seen:2025-05-27 10:37:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:6hrssltf7VyGAxtylUVFjzPb75lHueULjP8WHVWIu+/mxwhEU/C3xpL5uJcayQPv:grsslFPBkZb5RuBDVnu+bC3LL58cad
TLSH T11A15DF01B5159913DC6A5BF40A32C67107356C6E7471E6AE9EEA3CCF3BFAF821414A23
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 d4d4dad6d6dcc4e4 (34 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
416
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1C25TSF_00000001699.exe
Verdict:
Malicious activity
Analysis date:
2025-05-27 10:40:39 UTC
Tags:
netreactor evasion snake keylogger stealer
Link:
https://app.any.run/tasks/16546396-10d7-4ae1-b989-33f3e96b60c7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/5815/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.49281.8727.31117.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683596a6668438e362e766cd
Tags:
spawn shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/683595df171e01f9592e3691/reports/9f8a0e97-65a1-4d6a-b2af-77482fda3a12/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb14e9f6-0d0c-44b9-9157-ab897846f55c
Result
Threat name:
MSIL Logger, MassLogger RAT, PureLog Ste
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1699725
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 threadpools to delay analysis
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2025-05-21 01:45:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
53
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=in7cj5zf3i2iqcx7odrslorgztbjhjrmxyobfcohzry4mqblhgoa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250527-mnyagstlv4/
Behaviour
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:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8127dfbe-17c5-4a6d-9c85-baac342d25bd
Unpacked files
SH256 hash:
437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c
MD5 hash:
18d267ea2bccf03dc7fe39377688b308
SHA1 hash:
49595d21ff553f5fc8997db92ad6697b1966e9c1
Link:
https://www.unpac.me/results/65214199-33ab-4053-bc4b-4b08b33844d8/
SH256 hash:
0656f59c9e7cfa07d64cf4cd7d85ebd9b4399893cc853f3d1d37cca622d1f815
MD5 hash:
e4a8fe009b340647108a98105600f476
SHA1 hash:
03193855202feecd4bc542876855e706a243f13b
Link:
https://www.unpac.me/results/65214199-33ab-4053-bc4b-4b08b33844d8/
SH256 hash:
ae1b12e891048200a751af0cc1faf934ba99ee64de87a7760107fe4dad60738b
MD5 hash:
d282496542776a28d20a5b8f192f3809
SHA1 hash:
43780abb3bf9f069a59fd0cbe374a2858d8db421
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/65214199-33ab-4053-bc4b-4b08b33844d8/
SH256 hash:
f5e4d6c5a7b58142343f988dda60bc63dea831a6163eb75227883823de2f0b05
MD5 hash:
f01200012700f8889a380160679736d8
SHA1 hash:
627669310bd56b85571c3afd5b2fecfd294e80ad
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/65214199-33ab-4053-bc4b-4b08b33844d8/
Parent samples :
437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c
47a27187c6e5493385de929ef9a55f0be39375e1854cd846ec04f440bcc5ce19
733afb80ae605c51644e1cb0e5aaefbdc355ecba2513400ee9603de115a86be9
6c72b48a43aee3bb58a5c7de230177d66034af89078b4431706303f27968c088
904bf09d15e8d50fd0ea28d61ee09d4592f99a56f30dc7ba8603886f03d8e156
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/437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c

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:NETexecutableMicrosoft
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 437e24f725da34880aff70e325ba26ccc293a62cbe1c1289c7cc71c6402b399c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/5815/

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