MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66599079adbb952b99adca3b776a860e4ace86b0cf7af08a4dc3b001cda657a8. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: 66599079adbb952b99adca3b776a860e4ace86b0cf7af08a4dc3b001cda657a8
SHA3-384 hash: 44f296ca36c322d2e9e4a1d5ff554d6adacdb1e282fdd3a954c361f836223db886aea3e6de6785731ed6ac19149dea18
SHA1 hash: 37c9c920869362b5455a70a98fb901d5d5a340e5
MD5 hash: 09b1bb35206793151b49f63777b91054
humanhash: low-friend-louisiana-papa
File name:09b1bb35206793151b49f63777b91054.exe
Download: download sample
Signature LummaStealer
File size:1'857'536 bytes
First seen:2024-12-23 06:57:34 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 49152:bzfh7wibC0fViSPJBlny6qeqgYYwbfMlt7svb24MexG6ml6:MQViyJB86qLywbfsg24MyG56
TLSH T13B85330BA91A4638DA4F17330F46A7D44A25DAC7A27FE853AC20E431CEC73479695FC6
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 :
407
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:
96.5%
Tags:
virus xpack spawn
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
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 xpack
Result
Verdict:
UNKNOWN
Result
Threat name:
LummaC, Stealc
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies windows update settings
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
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
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1579770 Sample: FBVmDbz2nb.exe Startdate: 23/12/2024 Architecture: WINDOWS Score: 100 22 cuddlyready.xyz 2->22 30 Suricata IDS alerts for network traffic 2->30 32 Found malware configuration 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 38 9 other signatures 2->38 7 FBVmDbz2nb.exe 2 2->7         started        signatures3 36 Performs DNS queries to domains with low reputation 22->36 process4 dnsIp5 24 185.215.113.16, 49777, 80 WHOLESALECONNECTIONSNL Portugal 7->24 26 cuddlyready.xyz 104.21.32.96, 443, 49717, 49723 CLOUDFLARENETUS United States 7->26 18 C:\Users\user\...\RBZFTNPOH3OCI4WNHGK52I3.exe, PE32 7->18 dropped 20 C:\Users\user\...\225E7CNEQKY05J8BSS2KINA.exe, PE32 7->20 dropped 40 Query firmware table information (likely to detect VMs) 7->40 42 Found many strings related to Crypto-Wallets (likely being stolen) 7->42 44 Tries to harvest and steal browser information (history, passwords, etc) 7->44 46 7 other signatures 7->46 12 225E7CNEQKY05J8BSS2KINA.exe 9 1 7->12         started        15 RBZFTNPOH3OCI4WNHGK52I3.exe 13 7->15         started        file6 signatures7 process8 dnsIp9 48 Detected unpacking (changes PE section rights) 12->48 50 Machine Learning detection for dropped file 12->50 52 Modifies windows update settings 12->52 60 7 other signatures 12->60 28 185.215.113.206, 49808, 80 WHOLESALECONNECTIONSNL Portugal 15->28 54 Antivirus detection for dropped file 15->54 56 Tries to detect sandboxes and other dynamic analysis tools (window names) 15->56 58 Tries to evade debugger and weak emulator (self modifying code) 15->58 signatures10
Threat name:
Win32.Trojan.Vigorf
Status:
Malicious
First seen:
2024-12-22 17:47:32 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
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://pollution-raker.cyou/api
https://hosue-billowy.cyou/api
https://ripe-blade.cyou/api
https://smash-boiling.cyou/api
https://supporse-comment.cyou/api
https://greywe-snotty.cyou/api
https://steppriflej.xyz/api
https://sendypaster.xyz/api
https://cuddlyready.xyz/api
Verdict:
Suspicious
Tags:
lumma lumma_stealer stealer c2
YARA:
n/a
Unpacked files
SH256 hash:
7fe44b3ca4bd4101cdb5222ebda0e7c75f55cfd9ff167ff392ba81b2f70d907a
MD5 hash:
ad593e323fe8c2b602e727fca7e0e486
SHA1 hash:
4b3382f16ce9f360419fa9fb92b4f9478e5704c1
SH256 hash:
66599079adbb952b99adca3b776a860e4ace86b0cf7af08a4dc3b001cda657a8
MD5 hash:
09b1bb35206793151b49f63777b91054
SHA1 hash:
37c9c920869362b5455a70a98fb901d5d5a340e5
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 66599079adbb952b99adca3b776a860e4ace86b0cf7af08a4dc3b001cda657a8

(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

Comments