MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542
SHA3-384 hash: a24cab9579a965534e374ddd0372c9d8812355956cbb391126ad7820ad7d49d10c566be47853eca6946b3ce858e61c7d
SHA1 hash: 728e8b6286a91b74d77ced32371a79eebba0fa34
MD5 hash: b5b134e73e348140db896cf46ec74c0c
humanhash: east-magnesium-harry-jersey
File name:file
Download: download sample
Signature LummaStealer
Create hunting rule
File size:2'916'864 bytes
First seen:2024-10-21 13:36:50 UTC
Last seen:2024-10-21 14:27:02 UTC
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:+KuXMTgVJ29GDANmp0Kt4SGjQmfCdPvK7Fo1YQa:+1X+gz29GsNmp0KtEkyCdPv2o1Y
TLSH T139D54B71B94771CFD49E13B88567CD82BA7D03B9473148C7986DA4BA7E63CC211BAC28
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 :
19
# of downloads :
440
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-21 13:38:02 UTC
Tags:
lumma stealer loader themida stealc amadey botnet arch-doc
Link:
https://app.any.run/tasks/2a653dd6-4494-4f7c-9f6c-86525d16f420

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.14316.12775.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=671659065a02f8393c72c16f
Tags:
malware
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
Using the Windows Management Instrumentation requests
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
Link:
https://www.filescan.io/uploads/671659007184660038531857/reports/81984f43-b199-43d8-aeba-221a7d44d163/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/efa0180c-ee72-4ad5-8cbb-5db9490599bd
Result
Threat name:
LummaC, Credential Flusher, LummaC Steal
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1538619
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found API chain indicative of sandbox detection
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
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 Credential Flusher
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1538619 Sample: file.exe Startdate: 21/10/2024 Architecture: WINDOWS Score: 100 65 studennotediw.store 2->65 67 steamcommunity.com 2->67 69 44 other IPs or domains 2->69 91 Suricata IDS alerts for network traffic 2->91 93 Found malware configuration 2->93 95 Antivirus / Scanner detection for submitted sample 2->95 97 11 other signatures 2->97 9 file.exe 2 2->9         started        14 firefox.exe 1 2->14         started        signatures3 process4 dnsIp5 71 sergei-esenin.com 172.67.206.204, 443, 49714, 49715 CLOUDFLARENETUS United States 9->71 73 steamcommunity.com 104.102.49.254, 443, 49712 AKAMAI-ASUS United States 9->73 75 185.215.113.16, 49760, 49765, 80 WHOLESALECONNECTIONSNL Portugal 9->75 53 C:\Users\...\M9HKROQZ0BXLQ96P2NSBRGTRW.exe, PE32 9->53 dropped 55 C:\...\0DVCPKHKCVQXZG5WHTVR4OS8NXT92T.exe, PE32 9->55 dropped 99 Query firmware table information (likely to detect VMs) 9->99 101 Found many strings related to Crypto-Wallets (likely being stolen) 9->101 103 Tries to harvest and steal ftp login credentials 9->103 105 8 other signatures 9->105 16 0DVCPKHKCVQXZG5WHTVR4OS8NXT92T.exe 13 9->16         started        20 M9HKROQZ0BXLQ96P2NSBRGTRW.exe 9->20         started        22 firefox.exe 3 210 14->22         started        file6 signatures7 process8 dnsIp9 57 185.215.113.37, 49814, 80 WHOLESALECONNECTIONSNL Portugal 16->57 77 Antivirus detection for dropped file 16->77 79 Multi AV Scanner detection for dropped file 16->79 81 Detected unpacking (changes PE section rights) 16->81 89 6 other signatures 16->89 83 Binary is likely a compiled AutoIt script file 20->83 85 Machine Learning detection for dropped file 20->85 87 Found API chain indicative of sandbox detection 20->87 25 taskkill.exe 1 20->25         started        27 taskkill.exe 1 20->27         started        29 taskkill.exe 1 20->29         started        37 3 other processes 20->37 59 youtube.com 142.250.186.46, 443, 49859, 49860 GOOGLEUS United States 22->59 61 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49861, 49870, 49877 GOOGLEUS United States 22->61 63 10 other IPs or domains 22->63 49 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 22->49 dropped 51 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 22->51 dropped 31 firefox.exe 22->31         started        33 firefox.exe 22->33         started        35 firefox.exe 22->35         started        file10 signatures11 process12 process13 39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        45 conhost.exe 37->45         started        47 conhost.exe 37->47         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-10-21 13:37:06 UTC
File Type:
PE (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r3zrxm4kt25egl6nv6dfq727gnyitxxl7q2zrr4ozp36uh4z6vba._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:doma discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/241021-qwsxhswalc/
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Lumma Stealer, LummaC
Stealc
Malware Config
C2 Extraction:
https://clearancek.site
https://licendfilteo.site
https://spirittunek.store
https://bathdoomgaz.store
https://studennotediw.store
https://dissapoiznw.store
https://eaglepawnoy.store
https://mobbipenju.store
http://185.215.113.43
http://185.215.113.37
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ebcc8c12-cc00-49d2-b31b-e3ce5adb4796
Unpacked files
SH256 hash:
27e1d1af184a2176ab0b71d307e869c6f6c76c801995368157f4bd5e4168ddaa
MD5 hash:
fc3337ff6713c4811d78bd7e4533c028
SHA1 hash:
68a0c309646f4d1490c112c9cd72d0d60624c49a
Detections:
LummaStealer
Create hunting rule
Link:
https://www.unpac.me/results/3849056b-d5b2-4318-80b2-75cbf2b8f16d/
SH256 hash:
8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542
MD5 hash:
b5b134e73e348140db896cf46ec74c0c
SHA1 hash:
728e8b6286a91b74d77ced32371a79eebba0fa34
Link:
https://www.unpac.me/results/3849056b-d5b2-4318-80b2-75cbf2b8f16d/
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/8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542

File information

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

Web download

LummaStealer

Executable exe 8ef31bb38a9eba432fcdaf86587f5f337089deebfc3598c78ecbf7ea1f99f542

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3245480/

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