MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae
SHA3-384 hash: fe1aa3bb855c4ffe0bf561dab9d00cdf2f6f1dd08f887234a157fc7f3acc5108a19e0f462a5400fb191ab10d8e9fb93d
SHA1 hash: 909d88f6a61d6437839f879e18611113c23c3f21
MD5 hash: a2c305e7ff2a45429a24a39e05920b63
humanhash: april-glucose-emma-beer
File name:İSTENEN ÜRÜN LİSTESİ__xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'087'488 bytes
First seen:2025-05-13 08:13:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:b3QF1nmC9W248wAXXmoQEqNd4XV6jPmXt09:b3ynBj4GDQEqNmXwjPuO
TLSH T1D135D009A3C685AFC3FE76B6C01112088E3CE86B9646E766DBD5B5F4DB731A44E811C3
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe geo MassLogger TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
446
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
İSTENEN ÜRÜN LİSTESİ__xlsx.exe
Verdict:
Malicious activity
Analysis date:
2025-05-13 08:40:23 UTC
Tags:
netreactor evasion snake keylogger
Link:
https://app.any.run/tasks/4bfcfb40-7117-4dae-819f-e6c7e9b58650

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.7470.25382.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6823009ae16384d6a70400ef
Tags:
underscore micro excel remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected redcap vbnet
Link:
https://www.filescan.io/uploads/6822ff5c279eee0e087db333/reports/04ea2dd4-8caa-49fa-bd8f-be855d4e74c8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be4f77b3-14a5-45c4-b37e-53642ad78fcb
Result
Threat name:
DarkTortilla, Snake Keylogger, VIP Keylo
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1688698
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
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 the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-05-13 07:21:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
28 of 36 (77.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ext3jjcqmfllefrhuui6aq27futqwp67le3gd7dtdjangouf7cxa._file
Verdict:
malicious
Label(s):
vipkeylogger
Create hunting rule
d&dloader
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger spyware stealer
Link:
https://tria.ge/reports/250513-j46p1sgl4z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/9df1c88a-51e8-494b-889b-ce1171fc458d
Unpacked files
SH256 hash:
25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae
MD5 hash:
a2c305e7ff2a45429a24a39e05920b63
SHA1 hash:
909d88f6a61d6437839f879e18611113c23c3f21
Link:
https://www.unpac.me/results/af806acd-9382-443e-88d4-d036b84de584/
SH256 hash:
5aeb83beafb0f856088558f81793ee01a41c354e6dc21a2be1751369996cb0ae
MD5 hash:
1fa3281d6775c0e1655cb8dd18283a36
SHA1 hash:
baa6cd9cf98bea4cbd77b6723199f4462ce462f8
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/af806acd-9382-443e-88d4-d036b84de584/
Parent samples :
25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae
439029a463f3c7f9151420d749e3f71b0642ea939cb5b733934f8eabb292e07d
c28e2c53bc6c36944f7b3fd5265b3fbe614ef947024457930610490e8dcd49ea
8ef7abfdd24d21c93e8eea69b21c11e77ecfd54f2bd7cd2b96828c60ad26791b
dafdb8d5e55223962a8da88583c50ab4c9f774402744bafbe9d7440a96f3fa18
ae78caabec6a4241c64357ca5ca05de2e181fe253963de528807bf051fc3608e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/25e7b4a4506156b21627a511e0435f2d270b3fdf593661fc731a40d33a85f8ae

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
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

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