MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1fefd86ae0ef828a917d9a9b5321f61c89ba2c74d1b73e668687589e0f8966f. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: a1fefd86ae0ef828a917d9a9b5321f61c89ba2c74d1b73e668687589e0f8966f
SHA3-384 hash: afe1dc32ea018c40b0d91f50ee52f6ad7b9c316fd0dc2a972eae859ed1cd5ad2fb05b025a454466c2841c14f457c4e4b
SHA1 hash: 43763fc1cb49c57f22250814cac1250c6d0b1097
MD5 hash: 8036a2d130ead99c057b173c114d3454
humanhash: glucose-earth-william-butter
File name:a1fefd86ae0ef828a917d9a9b5321f61c89ba2c74d1b73e668687589e0f8966f
Download: download sample
Signature MassLogger
File size:1'159'168 bytes
First seen:2025-07-07 14:52:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep 24576:v5EmXFtKaL4/oFe5T9yyXYfP1ijXdaJg4XRlSBixn72G:vPVt/LZeJbInQRaJlRldx7
TLSH T13D35BE027381D062FFAB96334F5AF6115ABC79260123EA2F13981D79BD705B1463E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
20
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Restart of the analyzed sample
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.Autoitinject
Status:
Malicious
First seen:
2025-06-25 15:15:36 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
404Keylogger
YARA:
n/a
Unpacked files
SH256 hash:
a1fefd86ae0ef828a917d9a9b5321f61c89ba2c74d1b73e668687589e0f8966f
MD5 hash:
8036a2d130ead99c057b173c114d3454
SHA1 hash:
43763fc1cb49c57f22250814cac1250c6d0b1097
SH256 hash:
bd5f60176c990ea1908ea7b0104c593e0f5257b9ac97688e12efec962c7e0ef7
MD5 hash:
17a662684330c1a35972c0dbf4b8ae4a
SHA1 hash:
01e046e9e180edbf071a5c3ca6888dbd5f590b93
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
da071e2e1e8c617dd0cf02d2c93760cb5df9d710333985fb527456712e696d95
MD5 hash:
d521b5a9a00f5a181c3a23456c882313
SHA1 hash:
07ee987db6cce77e2383e8f1e99ba41d203bea9f
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
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.

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

Comments