MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1. 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: 13


Intelligence 13 IOCs YARA File information Comments
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SHA256 hash: a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1
SHA3-384 hash: ac9873a2341049773dadc503b7e2e9f43033de2668fb15d942d8da64d45731da7309995977029a5651b9feeafbbd5a71
SHA1 hash: 8a4278d077fa472fd6e4cbde95e6a3b928eff10b
MD5 hash: 21bd78bbc50aa0b32d6e8d1868e9ad5e
humanhash: zulu-violet-black-leopard
File name:Captcha.hta
Download: download sample
Signature LummaStealer
Create hunting rule
File size:1'047 bytes
First seen:2024-12-12 06:51:02 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 12:Sr70d76S0poWsM23WhXKREC8PJtAT+mLAsg2TpY7OVyhFSM+M2GRYAFPcR1b:q0d+2UVKR5ST5d6yGMmAWR1b
Threatray 20 similar samples on MalwareBazaar
TLSH T10B11A37C6522D4CDAD337D7BECA46B20D2189E03E8D463C4485580852FE1579B5543DA
Magika txt
Reporter abuse_ch
Tags:hta LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PUA.JS.Shell-2.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675a89ae453650368193cf62
Tags:
trojan shell sage
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1/results/dashboard
Payload URLs
URL
File name
http://45.131.135.227/tbhy.ps1
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Link:
https://www.filescan.io/uploads/675a87d8e957a96427f0376c/reports/9808e1d8-f00a-4df1-8f1a-f2ec1de696f4/overview
Verdict:
Malicious
Labled as:
BZC.UGZ.Boxter.1
Link:
https://www.hybrid-analysis.com/sample/a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1
Result
Verdict:
MALICIOUS
Details
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
Cobalt Strike, HTMLPhisher, LummaC Steal
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1573516
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
Detected Cobalt Strike Beacon
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Download and Execution Cradles
Sigma detected: Suspicious MSHTA Child Process
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected HtmlPhish44
Yara detected LummaC Stealer
Yara detected obfuscated html page
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1573516 Sample: Captcha.hta Startdate: 12/12/2024 Architecture: WINDOWS Score: 100 39 zinc-sneark.biz 2->39 41 formy-spill.biz 2->41 43 3 other IPs or domains 2->43 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 16 other signatures 2->67 9 mshta.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 75 Detected Cobalt Strike Beacon 9->75 77 Suspicious powershell command line found 9->77 79 Bypasses PowerShell execution policy 9->79 15 powershell.exe 15 33 9->15         started        47 127.0.0.1 unknown unknown 12->47 signatures6 process7 dnsIp8 49 45.131.135.227, 49732, 80 RACKMARKTES Spain 15->49 51 147.45.44.131, 49734, 80 FREE-NET-ASFREEnetEU Russian Federation 15->51 33 C:\Users\user\AppData\Local\...\mvgjodmb.0.cs, Unicode 15->33 dropped 35 C:\Users\user\AppData\...\2pzvj5lc.cmdline, Unicode 15->35 dropped 53 Writes to foreign memory regions 15->53 55 Suspicious execution chain found 15->55 57 Compiles code for process injection (via .Net compiler) 15->57 59 Injects a PE file into a foreign processes 15->59 20 RegAsm.exe 15->20         started        24 csc.exe 3 15->24         started        27 csc.exe 1 15->27         started        29 conhost.exe 15->29         started        file9 signatures10 process11 dnsIp12 45 covery-mover.biz 172.67.206.64, 443, 49737, 49738 CLOUDFLARENETUS United States 20->45 69 Query firmware table information (likely to detect VMs) 20->69 71 Tries to harvest and steal browser information (history, passwords, etc) 20->71 73 Tries to steal Crypto Currency Wallets 20->73 37 C:\Users\user\AppData\Local\...\mvgjodmb.dll, PE32 24->37 dropped 31 cvtres.exe 1 24->31         started        file13 signatures14 process15
Score:
88%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1/
Threat name:
Document-HTML.Trojan.Lummastealer
Create hunting rule
Status:
Malicious
First seen:
2024-12-11 16:00:17 UTC
File Type:
Text
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwt2olpmyoq7tozobq4snh4wmacruosaynhyo6e6gomvxhosxhqq._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
21a2ac44acd7a640735870eebfd04b8dc57bc66877cb5be3b929299e86a43dae
LummaStealer
233565a2aa6696c7b7ab721f9fe9f61b4e57f6e0b459da868444cee54ab02cc1
LummaStealer
658ec90e3630d87d5660fde8c38e969d36143d53589d498d76f3b302eae0a50f
LummaStealer
b5d59021df679067afe17e9566462613b0187a3fe7ec3ccbcf5f4b0e58216ca9
LummaStealer
ccae1adec72f7af5ef289879df71abc34639fe42182df88b209a60495b243bbc
LummaStealer
e951c2f841b3ca0b3bb4ba865ab40d102a6074a4b6f74c0c10d99f6ea125c2cf
LummaStealer
error
LummaStealer
+ 10 additional samples on MalwareBazaar
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery execution phishing stealer
Link:
https://tria.ge/reports/241212-hmhfestmgx/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1

File information

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

Web download

LummaStealer

HTML Application (hta) hta a5a7a72decc3a1f9bb2e0c39269f9660051a3a40c34f87789e33995b9dd2b9e1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3346022/
  
Delivery method
Distributed via web download

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