MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 882306fe39bfeb50ecde194293e3590171e5c4d81fc5cd4ebdf78e20c918b280. 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 7 File information Comments

SHA256 hash: 882306fe39bfeb50ecde194293e3590171e5c4d81fc5cd4ebdf78e20c918b280
SHA3-384 hash: 64528d93950e2878c415fb17abbb7aa653c39cf56e2d045ce7653ddd22f6e330f513c721f1b291087d3693a66935859d
SHA1 hash: 8e7a9db3e635fa6be1a0ef9f7466dc72d3b1b712
MD5 hash: 8da8060a9fae24254f8eef2b6710a9dc
humanhash: jupiter-failed-speaker-april
File name:1C25TMA_00000134.exe
Download: download sample
Signature MassLogger
File size:595'976 bytes
First seen:2025-04-23 11:47:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:61d2iN0f2ThrtVd0H/Mj2R78uBTskBdtnO0BazcQGkR:G1WfKhrfSUe78urnORzb
Threatray 2'290 similar samples on MalwareBazaar
TLSH T1E5C41210626CE906C5950BB45891D2351BF89D8CF962C3079FEEBDDF39B6B8206813B7
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 adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
398
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1C25TMA_00000134.exe
Verdict:
Malicious activity
Analysis date:
2025-04-23 12:23:24 UTC
Tags:
netreactor snake keylogger evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus overt spam msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy expired-cert invalid-signature obfuscated packed packed packer_detected signed vbnet
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 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)
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: 1671993 Sample: 1C25TMA_00000134.exe Startdate: 23/04/2025 Architecture: WINDOWS Score: 100 23 reallyfreegeoip.org 2->23 25 mail.cl-logistics.vn 2->25 27 2 other IPs or domains 2->27 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 43 9 other signatures 2->43 8 1C25TMA_00000134.exe 3 2->8         started        signatures3 41 Tries to detect the country of the analysis system (by using the IP) 23->41 process4 signatures5 45 Adds a directory exclusion to Windows Defender 8->45 47 Injects a PE file into a foreign processes 8->47 11 1C25TMA_00000134.exe 15 2 8->11         started        15 powershell.exe 23 8->15         started        17 1C25TMA_00000134.exe 8->17         started        process6 dnsIp7 29 mail.cl-logistics.vn 103.126.160.162, 49694, 587 ONEBIM-AS-VNOnebimVietnamLimitedCompanyVN Viet Nam 11->29 31 checkip.dyndns.com 193.122.6.168, 49691, 80 ORACLE-BMC-31898US United States 11->31 33 reallyfreegeoip.org 104.21.112.1, 443, 49693 CLOUDFLARENETUS United States 11->33 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 53 Loading BitLocker PowerShell Module 15->53 19 WmiPrvSE.exe 15->19         started        21 conhost.exe 15->21         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-04-16 07:38:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
31 of 38 (81.58%)
Threat level:
  2/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
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:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
882306fe39bfeb50ecde194293e3590171e5c4d81fc5cd4ebdf78e20c918b280
MD5 hash:
8da8060a9fae24254f8eef2b6710a9dc
SHA1 hash:
8e7a9db3e635fa6be1a0ef9f7466dc72d3b1b712
SH256 hash:
6030bf592c3ea114b9e91fa4f79a117555f49e382ad33fae8a2e40c153630ef2
MD5 hash:
b37968c01dc381a2c00aa995462b1f7f
SHA1 hash:
08d19ceeb9cbfe1870ab47f581d410e2a16ad578
SH256 hash:
eed6d758e6702d3b9fc3b15760d2dcba7f88a3eebd8b3d07b997818fd5555d25
MD5 hash:
ee8411229c625218b2adba7dfc725129
SHA1 hash:
736772222acded0bded7e2cb748c9bc07ac5fc9e
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
ea8e4ceab557448987f3392a8db97d2ed236f79561d6e0d413cdee47ac5aedf4
MD5 hash:
48a6df433e67a9dce81bed60acd5f6b4
SHA1 hash:
e0f345a7d985e47de5f4cd0eaf1ac0febfca74ce
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
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)

File information


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

Malspam

MassLogger

Executable exe 882306fe39bfeb50ecde194293e3590171e5c4d81fc5cd4ebdf78e20c918b280

(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