MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87a558691f4f69e0865bc74b8f19e4f138c033e285f0015a816cd0d975fff7b3. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: 87a558691f4f69e0865bc74b8f19e4f138c033e285f0015a816cd0d975fff7b3
SHA3-384 hash: 5cdc67c49a3778c8331e610a82d03efa6be5ca0ebeed32a17a44bdf96b55c0b78289008025e498ee5da0cb29624aa3ea
SHA1 hash: 34625bce2d101a28b434bdabcf3a63e1ee9a65cf
MD5 hash: 43c3b035b78100db8e5920dd16a55fe7
humanhash: skylark-spring-april-colorado
File name:43c3b035b78100db8e5920dd16a55fe7.exe
Download: download sample
Signature LummaStealer
File size:2'917'376 bytes
First seen:2024-12-28 08:29:19 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 49152:QDFgUO8t8YRy93MUPCt6+zevPxD7JxMaOPROG7:QqUOMtM93MuRfMaOPROG
Threatray 1 similar samples on MalwareBazaar
TLSH T1E9D54992A90571CFD48E13789527ED83AC5D42F8472148D399ADB07ABD77CC22BF6C28
TrID 42.7% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
19.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
381
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
43c3b035b78100db8e5920dd16a55fe7.exe
Verdict:
Malicious activity
Analysis date:
2024-12-28 08:29:46 UTC
Tags:
lumma stealer loader themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
shellcode virus zusy
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
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
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
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 (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.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-12-28 00:43:27 UTC
File Type:
PE (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery evasion stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://hummskitnj.buzz/api
https://cashfuzysao.buzz/api
https://appliacnesot.buzz/api
https://screwamusresz.buzz/api
https://inherineau.buzz/api
https://scentniej.buzz/api
https://rebuildeso.buzz/api
https://prisonyfork.buzz/api
https://mindhandru.buzz/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
610b62e8a7bd839c9963b8e0fb13d92178c016e55365b89abaa6aafdb3c0a386
MD5 hash:
70033eccf075bdfec4ddb11e99fbe4ad
SHA1 hash:
24c55f8e29970ca9eb8a60d091a13d12198bdd90
SH256 hash:
87a558691f4f69e0865bc74b8f19e4f138c033e285f0015a816cd0d975fff7b3
MD5 hash:
43c3b035b78100db8e5920dd16a55fe7
SHA1 hash:
34625bce2d101a28b434bdabcf3a63e1ee9a65cf
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 87a558691f4f69e0865bc74b8f19e4f138c033e285f0015a816cd0d975fff7b3

(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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