MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
SHA3-384 hash: f6e30b81bdff0368ff158c4cd62e7dd40d0b09a5827fc13b39099d7d67a6546b5433086e3a5ad98ee94e2e77d4de5788
SHA1 hash: 7681a446610d1a1ea4bb4238643fa08cbdb02678
MD5 hash: 3b536d0bb93360729b7119e8ee265c61
humanhash: berlin-fix-hydrogen-arkansas
File name:BL-100410364195.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'190'400 bytes
First seen:2024-12-07 08:06:32 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:su6J33O0c+JY5UZ+XC0kGso6FaUccy3uWY:2u0c++OCvkGs9FaUcXY
Threatray 1'013 similar samples on MalwareBazaar
TLSH T14145BF2373DDC365DB6A5173BF3A77452E7B3C254630B81B1E983D39AA30162222D663
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
File icon (PE):PE icon
dhash icon 13607332330b0bb3 (55 x AgentTesla, 16 x RedLineStealer, 13 x MassLogger)
Reporter mamrmu
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
519
Origin country :
ID ID
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BL-100410364195.7z
Verdict:
Malicious activity
Analysis date:
2024-12-07 08:07:10 UTC
Tags:
arch-exec evasion snake keylogger stealer
Link:
https://app.any.run/tasks/85216dfb-3989-4e6a-8125-401e556d26d6

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:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675401ec03fccedbc649b20c
Tags:
masslogger nymeria autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script evasive fingerprint fingerprint keylogger lolbin microsoft_visual_cc msconfig
Link:
https://www.filescan.io/uploads/6754022575abba213de9e818/reports/9a895168-63ed-4c61-8ed1-847a3c19f2a7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a9515f26-9460-4656-9e95-9b0f072275e8
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1570545
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
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)
Writes to foreign memory regions
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-12-06 00:45:32 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5etpuhrtclpfuzfnwxree4v5d6ouigiuue7vsh5l25zkmdp2afq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
snakekeylogger
Create hunting rule
Similar samples:
2382002f38b7558edbfaaa25ab025c7e6985829b544440011e438c7bcd17033f
MassLogger
2a47814324ff25a37d975085cf9d1a0efd993b51179d2d7cae9bdd31d48b7e5a
MassLogger
3a29f7f81f10281110237f7ce002bc725d3cbe04829b00e086948291ab34254f
MassLogger
a9b4db85972f79d070675d9e058631e48b252361e60cd129ba00b94e2f8d2327
MassLogger
b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
MassLogger
ccfaea5dfcfb212dff4902b0392b7b793bec6f56c5d7162fca472ed00995d381
MassLogger
error
MassLogger
+ 1'003 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
collection discovery
Link:
https://tria.ge/reports/241207-jzy5dayrgk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Verdict:
Suspicious
Tags:
trojan 404Keylogger
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/01da5932-b148-49d3-8267-98f7a9725f70
Unpacked files
SH256 hash:
fced4c6c7d3d70c7a2a083d49da876a0b389f5d6cbcdf6d36273317a7c8e869b
MD5 hash:
5429581c7b6a4b8eaf60d70c755a4ea3
SHA1 hash:
62d92f38ce4979b6d752f8896692105856f6b768
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Link:
https://www.unpac.me/results/134807b0-bf2a-456b-a147-e0a9ebdf8013/
Parent samples :
2382002f38b7558edbfaaa25ab025c7e6985829b544440011e438c7bcd17033f
c987adf88eb49413b48d8740fd342b851b5b8dd1dbc65179143aacd67501ffcd
b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
31b690e19539ad697f7e743c2641d151addb070219aa3ec497963619fba4ad73
49d7b6656854fd58bc9b06331bc0227fe87edd737538121aa04a96fd8e22a7fa
3d2d4932b38d1e1d37482e994eba2c33927a90e9452ee52c06b5049cfa96fb58
SH256 hash:
b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b
MD5 hash:
3b536d0bb93360729b7119e8ee265c61
SHA1 hash:
7681a446610d1a1ea4bb4238643fa08cbdb02678
Link:
https://www.unpac.me/results/134807b0-bf2a-456b-a147-e0a9ebdf8013/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b74937d0f198/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/b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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

File information

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

Malspam

MassLogger

7z a7b3205188377f0228f645addd0b60c1e4e1277b52cd1f1f2372e1e859c86b4a

MassLogger

Executable exe b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b

(this sample)

  
Dropped by
MD5 4d69508bcdc6c592d152f87a94e2765c
  
Dropped by
SHA256 a7b3205188377f0228f645addd0b60c1e4e1277b52cd1f1f2372e1e859c86b4a

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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