MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d54cbbab911d09ecaec19acb292e476b0073d14e227d79919740511109d9274. 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



LummaStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 26 File information Comments

SHA256 hash: 3d54cbbab911d09ecaec19acb292e476b0073d14e227d79919740511109d9274
SHA3-384 hash: c6e669e035cd9731f016e75dea939fbd9495b83a13e111d3fd32a37e4ba8120296d8131299b65408e67c4d8963ffc16f
SHA1 hash: 49b63d894dab09ede23b36e1e65c0c6ff9ffc349
MD5 hash: 8ec92ce467117d0616d9728c3141004c
humanhash: zebra-carolina-beryllium-batman
File name:shrk.bin
Download: download sample
Signature LummaStealer
File size:4'874'240 bytes
First seen:2025-07-11 18:07:57 UTC
Last seen:2025-07-12 07:20:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1aae8bf580c846f39c71c05898e57e88 (131 x LummaStealer, 12 x ValleyRAT, 10 x SalatStealer)
ssdeep 49152:Y00ctcVN1kGxcVzXSrHb7xZ8+49eNuQHOajC72ZHjzoxXHnQLQ598:Z0cGzlxIXw7xcTHx3z8
TLSH T116362900FE8755F5E903583154A7A23F6734AE098F35CB87EB547B2AF9772920C36289
TrID 38.7% (.EXE) InstallShield setup (43053/19/16)
28.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter aachum
Tags:84-54-44-48 dropped-by-ACRStealer exe LummaStealer Shark SharkStealer


Avatar
iamaachum
http://193.32.176.219/shrk.bin

Intelligence


File Origin
# of uploads :
3
# of downloads :
42
Origin country :
CZ CZ
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://abbaspc.net/malwarebytes-premium-crack/
Verdict:
Malicious activity
Analysis date:
2025-07-11 00:21:26 UTC
Tags:
lumma stealer python auto generic qrcode golang loader arch-scr

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dropper shell blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Setting a single autorun event
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
golang obfuscated
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Found suspicious ZIP file
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734175 Sample: shrk.bin.exe Startdate: 11/07/2025 Architecture: WINDOWS Score: 88 32 x.ss2.us 2->32 34 windowsupdateorg.live 2->34 36 4 other IPs or domains 2->36 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Connects to many ports of the same IP (likely port scanning) 2->52 54 2 other signatures 2->54 8 SharkBrowser.exe 10 2->8         started        12 shrk.bin.exe 1 32 2->12         started        15 SharkBrowser.exe 2->15         started        signatures3 process4 dnsIp5 38 15.197.198.189, 49698, 49701, 49703 TANDEMUS United States 8->38 56 Antivirus detection for dropped file 8->56 58 Multi AV Scanner detection for dropped file 8->58 17 cmd.exe 8->17         started        40 84.54.44.48, 49702, 49704, 49707 DZINET-ASRU Russian Federation 12->40 42 windowsupdateorg.live 172.67.159.116, 49696, 49699, 80 CLOUDFLARENETUS United States 12->42 44 3 other IPs or domains 12->44 30 C:\ProgramData\SharkBrowser.exe, PE32 12->30 dropped 20 cmd.exe 1 12->20         started        file6 signatures7 process8 signatures9 22 conhost.exe 17->22         started        24 reg.exe 1 17->24         started        46 Uses cmd line tools excessively to alter registry or file data 20->46 26 conhost.exe 20->26         started        28 reg.exe 1 1 20->28         started        process10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-07-11 08:39:04 UTC
File Type:
PE (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery persistence spyware trojan
Behaviour
Modifies registry key
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Executes dropped EXE
Verdict:
Malicious
Tags:
TA_Abused_Service
YARA:
n/a
Unpacked files
SH256 hash:
3d54cbbab911d09ecaec19acb292e476b0073d14e227d79919740511109d9274
MD5 hash:
8ec92ce467117d0616d9728c3141004c
SHA1 hash:
49b63d894dab09ede23b36e1e65c0c6ff9ffc349
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

LummaStealer

Executable exe 3d54cbbab911d09ecaec19acb292e476b0073d14e227d79919740511109d9274

(this sample)

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::GetSystemDirectoryA

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