MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea
SHA3-384 hash: b71e1823c2d3ebe2afc6e4b91265d91da7539d278c41667e48d6073fd72e623c674a679b8f772cc30c84ee3dcbb799bf
SHA1 hash: 63c7a2293b1bddfd676ae96d072bd427d6ea6e0b
MD5 hash: 197781125cca37ab4fa0439efa31ad43
humanhash: missouri-hawaii-mockingbird-fish
File name:89940996_BESOZT00_2025_24850553_1_4_1.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'113'600 bytes
First seen:2025-03-03 15:07:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:eu6J33O0c+JY5UZ+XC0kGso6FadFPYu50IzT1NfiWY:wu0c++OCvkGs9Fadpzj5Y
TLSH T1A935BE2273DDC360CB669173BF2AB7016EBF7C614630B85B1F980D7DA950162262D7A3
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
512
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
89940996_BESOZT00_2025_24850553_1_4_1.z
Verdict:
Malicious activity
Analysis date:
2025-03-03 05:42:54 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/3f837eb6-8286-4b9a-ba5b-4efb633c6b80

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c5c708c668b65489beb5e3
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/07365501-31cd-407d-9629-4b68bb5e59fd
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1628153
Signature
.NET source code references suspicious native API functions
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Generic Dropper
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 08:45:44 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ggc73ih4khytwprxlailsihlncsiid6e46ncgjikabjlue7rvtva._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
mofksys
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250303-shy8gs1tfy/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/855fc53f-fc14-4711-b357-528cf69293c8
Unpacked files
SH256 hash:
3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea
MD5 hash:
197781125cca37ab4fa0439efa31ad43
SHA1 hash:
63c7a2293b1bddfd676ae96d072bd427d6ea6e0b
Link:
https://www.unpac.me/results/c2792f35-3fe6-4ec8-b980-af3432118f25/
SH256 hash:
25a344f5681f51b0636366bba99db4f640819e4688bce41e451259e9e3000bdf
MD5 hash:
b7f10212764f2a0cfa32c33983b35fb5
SHA1 hash:
55beb58ef51952d4a001a94207e534c39d26b371
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/c2792f35-3fe6-4ec8-b980-af3432118f25/
Parent samples :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 hash:
45b73ebbddc3937ed579095fcc667971acc1cfc0da4d99819f7a36b3c9c86c0b
MD5 hash:
549cf2274512d3d308813748f2dda1ac
SHA1 hash:
fe487045d5f8b6f7928a6cd6095853ef8270cd81
Detections:
win_mofksys_auto
Create hunting rule
SUSP_Imphash_Mar23_2
Create hunting rule
Link:
https://www.unpac.me/results/c2792f35-3fe6-4ec8-b980-af3432118f25/
Parent samples :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:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3185fda0fc51/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/3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea

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
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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 3185fda0fc51f13b3e375810b920eb68a4840fc4e79a23250a0052ba13f1acea

(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
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

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