MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f289540d4925cef0805f3dc2cebf1f14ad580ace9f5f6b19bbc5108e0f9b0940. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: f289540d4925cef0805f3dc2cebf1f14ad580ace9f5f6b19bbc5108e0f9b0940
SHA3-384 hash: de6bcc9b4b889aad5ac1be5adce89ac760a6b48b2d8aa15535073b71ab0fc77a4e70ae2a3f4c8ae15a81c47a2dbcaa17
SHA1 hash: 784bb50620b883f857f88add2123f8315cb15ae2
MD5 hash: 04817d8f36e89888781de19f4e628472
humanhash: kentucky-harry-march-eleven
File name:Crystal.exe
Download: download sample
Signature LummaStealer
File size:2'855'424 bytes
First seen:2025-08-02 23:23:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 147a71fba2b52ee8ebd7b7cf32b9e1d5 (22 x LummaStealer, 2 x DarkCloud, 2 x Stealc)
ssdeep 49152:hWuc2lN0YcHS/SpTIGlTPrK/JxqCfxpdeBSZQWo8R24SUP:sUq3RmPnxpAqDSk
Threatray 96 similar samples on MalwareBazaar
TLSH T18CD5BF28A87990D6FCD340F03B599261A4237E7BCE3C696790F8D750124ADED063B67B
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter AntiSkidding
Tags:exe LummaStealer Rhadamanthys

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Crystal.exe
Verdict:
Malicious activity
Analysis date:
2025-08-02 23:24:55 UTC
Tags:
lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Forced shutdown of a system process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-08-02 23:24:08 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://mocadia.com/iuew
https://mastwin.in/qsaz/api
https://precisionbiomeds.com/ikg
https://physicianusepeptides.com/opu
https://vishneviyjazz.ru/neco/api
https://htsfhtdrjbyy1bgxbv.cfd/vcd
https://xurekodip.com/qpdl
https://utvp1.net/zkaj
https://orienderi.com/xori
Unpacked files
SH256 hash:
f289540d4925cef0805f3dc2cebf1f14ad580ace9f5f6b19bbc5108e0f9b0940
MD5 hash:
04817d8f36e89888781de19f4e628472
SHA1 hash:
784bb50620b883f857f88add2123f8315cb15ae2
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: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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

Comments