MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 681c8a530105b233c88c772aba230ec7585824648f17701ec2e70a5db91c40f3. 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 1 File information Comments

SHA256 hash: 681c8a530105b233c88c772aba230ec7585824648f17701ec2e70a5db91c40f3
SHA3-384 hash: e86a1da2a5852df973d61efe18c2f1e0fd6821cc21cefa0880a027948f3575ad2582648a0dcaee4aafa0d3d48df3260c
SHA1 hash: f3e98b577710e21a350fba2a0c35aeb5f7ebbad4
MD5 hash: 53a9c0f3e75e265a6ad207177da6052b
humanhash: cola-floor-queen-indigo
File name:file
Download: download sample
Signature LummaStealer
File size:1'849'856 bytes
First seen:2024-12-02 15:20:01 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:Z/6t7JFwQ1PNtgUV6HXKYDT1Wt5imHf03su94:Z6t7btDh0QM3suC
Threatray 32 similar samples on MalwareBazaar
TLSH T1708533173CB79164C1221930AC279ACE3F7AED85D4D73DFD440DB2B3BB9361A6162819
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 :
430
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-02 15:22:17 UTC
Tags:
lumma themida loader stealer stealc

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

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
Malware family:
LummaC2 Stealer
Verdict:
Malicious
Result
Threat name:
LummaC Stealer
Detection:
malicious
Classification:
troj.spyw.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
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-12-02 15:21:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
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:
Stealer c2 Lumma_Stealer DoH lumma
YARA:
n/a
Unpacked files
SH256 hash:
076359cedeea3afe26b862831b29aeb4867625fed261b59a524a233a1331c576
MD5 hash:
6d9683c30a50c7a5e4921ff86714fe10
SHA1 hash:
0f1eb4929c0f1a6d09fb7780ae4fc85ae5d1ccbb
SH256 hash:
681c8a530105b233c88c772aba230ec7585824648f17701ec2e70a5db91c40f3
MD5 hash:
53a9c0f3e75e265a6ad207177da6052b
SHA1 hash:
f3e98b577710e21a350fba2a0c35aeb5f7ebbad4
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 681c8a530105b233c88c772aba230ec7585824648f17701ec2e70a5db91c40f3

(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