MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6721cb88520e593737ba3687fea22820413a46299376ed65496a49d21b491dc. 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: f6721cb88520e593737ba3687fea22820413a46299376ed65496a49d21b491dc
SHA3-384 hash: 5f25b0b3bd3ade169e8b01be3fcb8538cb8d0407b23bfd985397ed15fe2c0791665ac9815967c9bc4d19d114903ce330
SHA1 hash: d3a7db9aba578c58a04effc0a4a7c10a079fccff
MD5 hash: 5ee792f4291c31ae596479784dd0d507
humanhash: whiskey-winner-sink-cat
File name:5ee792f4291c31ae596479784dd0d507.exe
Download: download sample
Signature LummaStealer
File size:1'836'032 bytes
First seen:2024-12-23 16:15:26 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:OmRULZAl5WnXmeiNXDVQ+OG5lTQ5tooRbX96Lar0NAMyT6OfXG9yu3c6fpQBQKlA:9RoAdDVQ9OVQYG9ZNWi76unen
Threatray 3 similar samples on MalwareBazaar
TLSH T1468533F47D7F52E2F78EA1F71CA7A4EE97D907C212817E668B5C46260B039610B81CD8
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 :
422
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
857b0a5b813fc9bbe2f0f6c3a88c608d.exe
Verdict:
Malicious activity
Analysis date:
2024-12-23 08:14:26 UTC
Tags:
lumma stealer loader stealc amadey botnet redline metastealer cryptbot auto coinminer arch-exec gcleaner credentialflusher autoit generic evasion telegram themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
spawn small
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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:
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:
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
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
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 dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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 harvest and steal ftp login credentials
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: 1579982 Sample: xlSzrIs5h6.exe Startdate: 23/12/2024 Architecture: WINDOWS Score: 100 39 observerfry.lat 2->39 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Antivirus detection for URL or domain 2->75 77 10 other signatures 2->77 9 xlSzrIs5h6.exe 2 2->9         started        signatures3 process4 dnsIp5 47 185.215.113.16, 49811, 49827, 80 WHOLESALECONNECTIONSNL Portugal 9->47 49 observerfry.lat 104.21.36.201, 443, 49730, 49731 CLOUDFLARENETUS United States 9->49 27 C:\...27UQYJTDBZXD8O0ONZO5OO3XW2SFXCQ2.exe, PE32 9->27 dropped 29 C:\...\6P8TKH837G2NNHC33ZCWXP9T6IAZH3W.exe, PE32 9->29 dropped 79 Query firmware table information (likely to detect VMs) 9->79 81 Found many strings related to Crypto-Wallets (likely being stolen) 9->81 83 Tries to harvest and steal ftp login credentials 9->83 85 8 other signatures 9->85 14 6P8TKH837G2NNHC33ZCWXP9T6IAZH3W.exe 28 9->14         started        19 NUQYJTDBZXD8O0ONZO5OO3XW2SFXCQ2.exe 9 1 9->19         started        file6 signatures7 process8 dnsIp9 51 185.215.113.206, 49848, 49896, 80 WHOLESALECONNECTIONSNL Portugal 14->51 53 127.0.0.1 unknown unknown 14->53 31 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->31 dropped 33 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 14->33 dropped 35 C:\Users\user\AppData\...\mozglue[1].dll, PE32 14->35 dropped 37 7 other files (5 malicious) 14->37 dropped 55 Antivirus detection for dropped file 14->55 57 Detected unpacking (changes PE section rights) 14->57 59 Attempt to bypass Chrome Application-Bound Encryption 14->59 67 6 other signatures 14->67 21 chrome.exe 14->21         started        61 Multi AV Scanner detection for dropped file 19->61 63 Machine Learning detection for dropped file 19->63 65 Modifies windows update settings 19->65 69 4 other signatures 19->69 file10 signatures11 process12 dnsIp13 41 192.168.2.4, 138, 443, 49723 unknown unknown 21->41 43 239.255.255.250 unknown Reserved 21->43 24 chrome.exe 21->24         started        process14 dnsIp15 45 www.google.com 142.250.181.68, 443, 49871, 49872 GOOGLEUS United States 24->45
Threat name:
Win32.Exploit.StealC
Status:
Malicious
First seen:
2024-12-23 10:57:37 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
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:
lumma_stealer stealer lumma c2
YARA:
n/a
Unpacked files
SH256 hash:
c9c71637f6df6e72e64cdfb7d39f8dd31b18c957d59abdf5995c46e98ed77d4b
MD5 hash:
311161be6bbc9b29827191451eab34c8
SHA1 hash:
c7092a4eda7d654dcd01f9444a7271c896348463
SH256 hash:
f6721cb88520e593737ba3687fea22820413a46299376ed65496a49d21b491dc
MD5 hash:
5ee792f4291c31ae596479784dd0d507
SHA1 hash:
d3a7db9aba578c58a04effc0a4a7c10a079fccff
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 f6721cb88520e593737ba3687fea22820413a46299376ed65496a49d21b491dc

(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