MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 620a56b42afe5245088bbe070eab84b2ab6e5baaebb28be61c1cf339c7375006. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments

SHA256 hash: 620a56b42afe5245088bbe070eab84b2ab6e5baaebb28be61c1cf339c7375006
SHA3-384 hash: 111e98198e5a36250dd2f3d3c18642ef99e0ed6190cbbd225af5bc3f8a1640e2350ba29dcecbcf74287b0c4199702a3f
SHA1 hash: 8a8ad75e8d3a324dbe84f0911793d04eb73bc6ef
MD5 hash: 02e25b261f1a228df152eef5977c625c
humanhash: floor-oven-ack-juliet
File name:02e25b261f1a228df152eef5977c625c.exe
Download: download sample
Signature LummaStealer
File size:6'175'232 bytes
First seen:2024-12-27 07:37:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 98304:4hys5d0VuZb//1l027sIM//W5MaIdMWVwRnhe8ObzNbzfHERRqyVF20SIdPOJcFh:4hyPu3l0TIaOySzZhFOPNfHEayVY0XP7
TLSH T1E45633BABA297958E023B03C6379D919B3323C8D7175841D6701B63E6E811FF6F52970
TrID 52.9% (.EXE) Win32 Executable (generic) (4504/4/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
09744c72b94eff7cd7e6862a3ae60f55f7eb9b7fa6a9e19f2ac8e6956d7d3e82
Verdict:
Malicious activity
Analysis date:
2024-12-26 23:50:29 UTC
Tags:
amadey botnet stealer loader stealc themida lumma cryptbot gcleaner antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect phishing
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Creating a file
Connection attempt to an infection source
DNS request
Connection attempt
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Hides threads from debuggers
Leaks process information
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Exploit.LummaC
Status:
Malicious
First seen:
2024-12-27 01:07:12 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
lummastealer
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery evasion stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Embeds OpenSSL
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5851fc3080f2a3da3fd92c30594ad11e0b27dc08a7aad4e97971aa2323b442fa
MD5 hash:
c799d87ec3f79d3b888c9fdc05944d1d
SHA1 hash:
be0dfa1bbc8e7c806a21a6ce2feded5bd7c76903
Detections:
LummaStealer
SH256 hash:
620a56b42afe5245088bbe070eab84b2ab6e5baaebb28be61c1cf339c7375006
MD5 hash:
02e25b261f1a228df152eef5977c625c
SHA1 hash:
8a8ad75e8d3a324dbe84f0911793d04eb73bc6ef
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: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.

Web download

LummaStealer

Executable exe 620a56b42afe5245088bbe070eab84b2ab6e5baaebb28be61c1cf339c7375006

(this sample)

  
Delivery method
Distributed via web download

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

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