MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3f1ba6a38de8f4eb4ee0f2a75292adee59c326277f958f2c5bb683c8c2fdeaa. 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 2 File information Comments

SHA256 hash: a3f1ba6a38de8f4eb4ee0f2a75292adee59c326277f958f2c5bb683c8c2fdeaa
SHA3-384 hash: e843a7ecd6324e8706680071cbf2cfdf5b4952e26cfde2aa24c911a8c6d952c05155e7e5fb71cea35b2d4b32ea7c6bbc
SHA1 hash: 0b57ed7a5173e8f11bd9c8ab8960263898add6a1
MD5 hash: 23ddcfde817deaeb84b5663a72ad720f
humanhash: orange-sweet-august-yellow
File name:file
Download: download sample
Signature LummaStealer
File size:1'855'488 bytes
First seen:2024-12-05 03:32:51 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 24576:8iNEhxiJ9k59I1ciVlnrDoa75u0u6vUCujDHaJHrzK/XARJce/d0L1r7y0He75Aq:/AsA5ElPnrDoos0hvt00z8XAXlslDTC
TLSH T13F8533219B72E64FD545EF7A856BA80C2FAC8E20C5D58C777E8E92720C471815CDC3AB
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 Bitsight
Tags:exe LummaStealer


Avatar
Bitsight
url: http://185.215.113.16/luma/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
432
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-05 03:33:12 UTC
Tags:
lumma stealer themida loader stealc amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
vmdetect spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm packed packed packer_detected
Malware family:
LummaC2 Stealer
Verdict:
Malicious
Result
Threat name:
LummaC Stealer
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
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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.CryptBot
Status:
Malicious
First seen:
2024-12-05 03:33:12 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
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
Program crash
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
Verdict:
Suspicious
Tags:
c2 Stealer Lumma_Stealer lumma
YARA:
n/a
Unpacked files
SH256 hash:
05e2d2e671e025fa83880281eae1dc8f11dcb5bef17bf2aa1fdcb52d274e3afa
MD5 hash:
28cff93aa3099b6baf6b20aff8dbf888
SHA1 hash:
51f347f84923c4ae462d86c67eb4b1b5598619d2
SH256 hash:
a3f1ba6a38de8f4eb4ee0f2a75292adee59c326277f958f2c5bb683c8c2fdeaa
MD5 hash:
23ddcfde817deaeb84b5663a72ad720f
SHA1 hash:
0b57ed7a5173e8f11bd9c8ab8960263898add6a1
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)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

LummaStealer

Executable exe a3f1ba6a38de8f4eb4ee0f2a75292adee59c326277f958f2c5bb683c8c2fdeaa

(this sample)

  
Dropped by
Amadey
  
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

Comments