MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6. 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: 18


Intelligence 18 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6
SHA3-384 hash: 3404cf668b26ee7ae659f03d1b874d0e1d5b0f8759b9fe60dc8884e2db5180213001e81c5794aa9cf335fcc6fcea111a
SHA1 hash: d381eb64f4d8cd29c5429da4941a5623aa944f39
MD5 hash: 1e31175ea67e5777763c3178e0978632
humanhash: michigan-angel-coffee-autumn
File name:990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6
Download: download sample
Signature MassLogger
Create hunting rule
File size:525'312 bytes
First seen:2025-09-05 12:21:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:JV2jRgP8wtrybPNdJ5y85TptYNnhXYdycybkynr8:JVWK0wUbPNdnymtYNhohEdno
Threatray 1'968 similar samples on MalwareBazaar
TLSH T1C7B40288029ADA17C0E65FB65DB2D27023F4AD8DF921EB070FD4BDDF7975A801985382
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
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6.exe
Verdict:
Malicious activity
Analysis date:
2025-09-05 12:29:44 UTC
Tags:
evasion snake keylogger netreactor stealer ims-api generic
Link:
https://app.any.run/tasks/167186fd-8341-46b0-b380-855796da0edd

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/25245/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bad5d7eb163e0ec18475f6
Tags:
spawn shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68bad70ba64010de766e282a/reports/ca5eac48-f697-41eb-bfc2-eb2e91282ec2/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-12T05:18:00Z UTC
Last seen:
2025-08-12T05:18:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Inject.sb HEUR:Trojan-Spy.MSIL.BPLogger.gen VHO:Trojan-PSW.Win32.Stealer.gen PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stelega.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb Trojan-Spy.MSIL.BPLogger.sb
Link:
https://opentip.kaspersky.com/990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6/results?tab=lookup
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/261f2e86-1bdb-48ab-8ce8-7b2be1f3a70c
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.24 Win 32 Exe x86
Link:
https://app.malva.re/file/1e31175ea67e5777763c3178e0978632
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2025-08-12 13:55:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=teghpyktmvfpmuo5mvrbaz6igernrcasvf6zucj4qzcz7y45433a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
4c753d4c900f614b1ae03309d3b319bb4081c9628dc3f61a9dee7e16e023e1ba
MassLogger
6120349c01067dc971adef59b218b5842cf05b5841d6fd21510616f3535a56e9
MassLogger
73a1e1c3b56b3a2993e6274960605e0221cb289a45db122861b1f2187d92ae1d
MassLogger
7d0934c44e3cf244874fa50f546b9947eab423ccdb228930a28d63a9972c290e
MassLogger
8ea6427ed08636f4220611662424cdf09103fecdb4ef6a0c15103c715364fbf3
MassLogger
fd3845afafae2b54ec9786c4f721a0e3fb5d0ad207b0eb055182d1f2173b8adb
MassLogger
+ 1'958 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250905-pmnqrshm9s/
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot7916775626:AAEpKtCXhW8JVhlJ4gm9KnQGEsOrt7L3fNQ/sendMessage?chat_id=7838187567
Verdict:
Malicious
Tags:
404Keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/9278ac36-1454-43e3-96b4-39990edd8771
Unpacked files
SH256 hash:
990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6
MD5 hash:
1e31175ea67e5777763c3178e0978632
SHA1 hash:
d381eb64f4d8cd29c5429da4941a5623aa944f39
Link:
https://www.unpac.me/results/2bc8ca53-fa62-4399-bba2-ebd404cb35a6/
SH256 hash:
dcfaaae48f91644c0fd0d04fdc7027d0354451c574ccf5bae8ff326896af3bd0
MD5 hash:
310bdcbc06c3a9503cc5da5390d60a16
SHA1 hash:
134dde84f2832d4478b559a8027ac11c0d01fa2b
Link:
https://www.unpac.me/results/2bc8ca53-fa62-4399-bba2-ebd404cb35a6/
SH256 hash:
0e275034aeea48dd2fbd52f09162a4bc4c1ed1f3742a9ac37d372cce06f582b0
MD5 hash:
6b4cb250d1a075e69b8e35e8c89268de
SHA1 hash:
9a56241ac750091a11440bc599c8cc10991ebf44
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/2bc8ca53-fa62-4399-bba2-ebd404cb35a6/
SH256 hash:
158bc834f731028ae6f05d84e25eeeb473388fb79c53c4c97f2d5a73b7f30adf
MD5 hash:
49ea5ffb3686c65b4cb7dc754cca1b68
SHA1 hash:
a9114fdfb71ecefe25e80e02200d634a56918c20
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/2bc8ca53-fa62-4399-bba2-ebd404cb35a6/
Parent samples :
d003d51384319fc697de30896a9c38c3363e352de173406f78f29410ca3282a4
ce274c08c15204a7168689d039f94e7c96a7e4a079b48cb2cbb10ec5bbf25ead
cef5d5a46f1f6207c526fbe6e55d370b3bf2543bb7cf53750002933881c89b19
dcb94196fd719a94eeb2e3b66faa654367319fa477b955bf86fc3a1378514bc8
3fcec0419790343650a5387187c63f9c0ad5c394e4aef74d7b6163fc33db600b
aa291e4ac1c7bef9248dab1d598ce833e4c837963ed8583d652164e22b93511a
14ef2ca8d70361093a610be8e6d53079fd70c4d4f7698710e5589fad7ecd5d13
ae0a78b28311cfe3a115b22d674e69afacac5eb67dba804f6ec349b92c5dcb92
7d0934c44e3cf244874fa50f546b9947eab423ccdb228930a28d63a9972c290e
c3287e8fd9e29c8818bbc9d162989d7d42095f7703c084162fa89a750218660b
371e5213895306bc58052925b92da7af2770b12683525c7361934b6477399f54
ff319430f00da8eebd3b92f0d494c1dd9bee7f9ef3a8101dda2ce14968b9811a
6ee6b8c1ca6f5f593c90c89261f06b3cc33d14263f19b4f76d3d1aff205cf14f
df3ca2d4db7a1b0ae6271cb473ede6b6f3b8ae1b483342fe11bf95a42f688e47
3d66174c58d543c350e84a90f101449af1a8015a255626f1fbfe60b82c9719c8
990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6
12fbc26c6aebd4063ef91b729e36903eef1ff8a5b3a930ecfc501311d103295f
35cd26db3de4420e0442ef5cf452e7f52519f98f3d3f7d168fb235bda1d8548b
d78b1315a596c3424ed01722ea7d1370180affa97474a8a4fd55b1bb012c8411
3f2a428fd841cfcc962fc2f384208a4226845394bb253341dbe1fff05069a2c8
a534cc811354388f83a4dde6f1898bda4752ad567594d7656d7c71f86383881a
b55e1d97cb0f73d37af6472d1f7722018ddb8bd9ea1e5d920da9c80964663e13
fab6e3a7f39a59f9cc7e909661048841701f6b65aacf9154fcfa8341dbbfef37
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/990c77e15365/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/990c77e153654af651dd65621067c83122d88812a97d9a093c86459fe39de6f6

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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_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_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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.

Cape
Cape
https://www.capesandbox.com/analysis/25245/

Comments