MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a2803914a4269806a4cb5525ec40edaf2274e496d0e9d87be9988d1da4b02d5. 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 2 File information Comments

SHA256 hash: 4a2803914a4269806a4cb5525ec40edaf2274e496d0e9d87be9988d1da4b02d5
SHA3-384 hash: 233c9ce245940119c5a6be9f563576c16f6fd93f23c7c511d4f7eb31b54126327ef9c17785fa2b1dab14f3af17b5b12a
SHA1 hash: 2698c99f98e65b28f31f9bdc0e68b6941de38f2a
MD5 hash: f54dd0914c65108d5f72049dc5490f53
humanhash: bakerloo-mobile-papa-east
File name:f54dd0914c65108d5f72049dc5490f53.exe
Download: download sample
Signature LummaStealer
File size:1'812'480 bytes
First seen:2024-12-23 06:59:49 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 24576:6laOplIkBorW5eUzD6GDjNzVycduGxxmaGOy4YYbsofVosgRIj/gXQTstdRx3uP:6laOplIvWlP/2t+LQ4YDoym/ItTxe
TLSH T18C853369A63FA1F3F04951BE987E3342FF1C9B055955C1A7128AD86B7C828BD2834CD3
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 :
444
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
tight.exe
Verdict:
Malicious activity
Analysis date:
2024-12-23 07:48:17 UTC
Tags:
telegram lumma stealer evasion floxif agenttesla exfiltration loader stealc cryptbot dcrat rat arch-exec smtp golang backdoor spyware autoit blackmoon xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect virus xpack spawn
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:
anti-vm packed packed packer_detected xpack
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
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:
2024-12-22 10:33:22 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 23 (91.30%)
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
52ebbefa8dc245f0cae0c1c3eb7372e5cd8f4d81c2f69c879addc5570fb38279
MD5 hash:
ddae7240f759135c1062e9e5deb8e422
SHA1 hash:
812c4d786c97cbd1059d1f1a5cc0ce96f9ff3608
SH256 hash:
4a2803914a4269806a4cb5525ec40edaf2274e496d0e9d87be9988d1da4b02d5
MD5 hash:
f54dd0914c65108d5f72049dc5490f53
SHA1 hash:
2698c99f98e65b28f31f9bdc0e68b6941de38f2a
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 4a2803914a4269806a4cb5525ec40edaf2274e496d0e9d87be9988d1da4b02d5

(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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