MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83cf437c836ab33363eba52aa05f93fa49eeca907cc3336357929fc294fe2cda. 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: 83cf437c836ab33363eba52aa05f93fa49eeca907cc3336357929fc294fe2cda
SHA3-384 hash: 91be37cdaee2a48700d194821766e0d7b25826955f6597ec6aa4f0407614fb739d14d93e148990a4d7dcf0fefb5d44f5
SHA1 hash: 2a50a89fc516d79aa1a57a4375282d7d83281713
MD5 hash: c850f2bf72edf4e179f708b9e0c3fde0
humanhash: bravo-monkey-batman-alpha
File name:random.exe
Download: download sample
Signature LummaStealer
File size:1'867'776 bytes
First seen:2025-06-06 06:16:44 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:AZo0sosGIIjf+zz8bOpxnFc6DtEmyVV495RUvTtbKxpPiTcq0Cu0GXm1ClFNxIX6:6o0NjzCyegVy5ROKi70CNGXZKXPxp2x
Threatray 4 similar samples on MalwareBazaar
TLSH T14B8533BB6E62AAFAD01D96F9C4429343272045E99CD6C6142FF585724CF9380FF39C29
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 :
427
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-06-06 06:36:40 UTC
Tags:
lumma stealer loader amadey botnet auto-startup enigma delphi antivm rdp gcleaner telegram auto-reg purecrypter evasion netreactor pureminer auto generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmprotect autorun emotet cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
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:
Amadey, LummaC Stealer, ResolverRAT, Xmr
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Contains functionality to start a terminal service
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found stalling execution ending in API Sleep call
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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 (process name or module or function)
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
Tries to steal from password manager
Uses the Telegram API (likely for C&C communication)
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Amadey
Yara detected Amadeys Clipper DLL
Yara detected Costura Assembly Loader
Yara detected LummaC Stealer
Yara detected PersistenceViaHiddenTask
Yara detected ResolverRAT
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1707932 Sample: random.exe Startdate: 06/06/2025 Architecture: WINDOWS Score: 100 102 api.telegram.org 2->102 104 waxnps.live 2->104 106 17 other IPs or domains 2->106 120 Suricata IDS alerts for network traffic 2->120 122 Found malware configuration 2->122 124 Antivirus detection for dropped file 2->124 128 25 other signatures 2->128 10 ramez.exe 49 2->10         started        15 random.exe 1 2->15         started        17 wscript.exe 2->17         started        19 15 other processes 2->19 signatures3 126 Uses the Telegram API (likely for C&C communication) 102->126 process4 dnsIp5 110 185.156.72.61, 49708, 80 ITDELUXE-ASRU Russian Federation 10->110 112 185.156.72.96, 49697, 49699, 49701 ITDELUXE-ASRU Russian Federation 10->112 84 C:\Users\user\AppData\Local\...\QzeKOIS.exe, PE32+ 10->84 dropped 86 C:\Users\user\AppData\Local\...\JExAdRN.exe, PE32 10->86 dropped 88 C:\Users\user\AppData\Local\...\DgO51N6.exe, PE32+ 10->88 dropped 92 21 other malicious files 10->92 dropped 180 Hides threads from debuggers 10->180 21 t3u2Imz.exe 10->21         started        24 08IyOOF.exe 10->24         started        26 MrTl1m2.exe 10->26         started        38 6 other processes 10->38 114 185.156.72.2, 49689, 49700, 49702 ITDELUXE-ASRU Russian Federation 15->114 116 waxnps.live 195.82.147.188, 443, 49681, 49682 DREAMTORRENT-CORP-ASRU Russian Federation 15->116 90 C:\Users\user\...\FZD5KFQZ2GM90S6E3.exe, PE32 15->90 dropped 182 Detected unpacking (changes PE section rights) 15->182 184 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->184 186 Query firmware table information (likely to detect VMs) 15->186 198 7 other signatures 15->198 29 FZD5KFQZ2GM90S6E3.exe 4 15->29         started        188 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->188 190 Suspicious execution chain found 17->190 31 AceFlags.exe 17->31         started        118 127.0.0.1 unknown unknown 19->118 192 Multi AV Scanner detection for dropped file 19->192 194 Contains functionality to start a terminal service 19->194 196 Changes security center settings (notifications, updates, antivirus, firewall) 19->196 200 7 other signatures 19->200 33 MSBuild.exe 19->33         started        36 MpCmdRun.exe 19->36         started        40 5 other processes 19->40 file6 signatures7 process8 dnsIp9 130 Multi AV Scanner detection for dropped file 21->130 148 2 other signatures 21->148 42 MSBuild.exe 21->42         started        45 conhost.exe 21->45         started        132 Injects a PE file into a foreign processes 24->132 47 MSBuild.exe 24->47         started        49 conhost.exe 24->49         started        68 C:\Users\user\AppData\...lementType.exe, PE32+ 26->68 dropped 70 C:\Users\user\AppData\Roaming\AceFlags.exe, PE32+ 26->70 dropped 72 C:\Users\user\AppData\...\AceFlags.vbs, ASCII 26->72 dropped 134 Found many strings related to Crypto-Wallets (likely being stolen) 26->134 136 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 26->136 138 Drops VBS files to the startup folder 26->138 140 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 26->140 74 C:\Users\user\AppData\Local\...\ramez.exe, PE32 29->74 dropped 142 Detected unpacking (changes PE section rights) 29->142 144 Contains functionality to start a terminal service 29->144 150 3 other signatures 29->150 51 ramez.exe 29->51         started        152 2 other signatures 31->152 53 RegAsm.exe 31->53         started        94 196.251.87.178, 39001, 49714 SONIC-WirelessZA Seychelles 33->94 55 conhost.exe 36->55         started        96 ip-api.com 208.95.112.1 TUT-ASUS United States 38->96 98 185.156.72.196, 49709, 49717, 80 ITDELUXE-ASRU Russian Federation 38->98 100 drive.usercontent.google.com 142.250.113.132, 443, 49705 GOOGLEUS United States 38->100 76 C:\Users\user\AppData\Roaming\updater.exe, PE32+ 38->76 dropped 78 C:\Users\user\AppData\Local\Temp\...\YCL.exe, PE32 38->78 dropped 80 C:\Users\user\...\Bunifu_UI_v1.5.3.dll, PE32 38->80 dropped 82 4 other malicious files 38->82 dropped 146 Tries to detect sandboxes and other dynamic analysis tools (window names) 38->146 154 4 other signatures 38->154 57 MSBuild.exe 38->57         started        60 4 other processes 38->60 file10 signatures11 process12 dnsIp13 156 Query firmware table information (likely to detect VMs) 42->156 158 Tries to harvest and steal ftp login credentials 42->158 160 Tries to harvest and steal browser information (history, passwords, etc) 42->160 162 Tries to steal from password manager 42->162 164 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 47->164 166 Found many strings related to Crypto-Wallets (likely being stolen) 47->166 168 Tries to steal Crypto Currency Wallets 47->168 170 Detected unpacking (changes PE section rights) 51->170 172 Contains functionality to start a terminal service 51->172 174 Found stalling execution ending in API Sleep call 51->174 176 Hides threads from debuggers 51->176 108 t.me 149.154.167.99, 443, 49720 TELEGRAMRU United Kingdom 57->108 178 Multi AV Scanner detection for dropped file 60->178 62 cmd.exe 60->62         started        64 conhost.exe 60->64         started        signatures14 process15 process16 66 conhost.exe 62->66         started       
Threat name:
Win32.Trojan.Symmi
Status:
Malicious
First seen:
2025-06-06 00:58:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma defense_evasion discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Reads user/profile data of local email clients
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://battlefled.top/gaoi
https://narrathfpt.top/tekq
https://escczlv.top/bufi
https://localixbiw.top/zlpa
https://korxddl.top/qidz
https://stochalyqp.xyz/alfp
https://diecam.top/laur/api
https://citellcagt.top/gjtu
https://peppinqikp.xyz/xaow
Unpacked files
SH256 hash:
83cf437c836ab33363eba52aa05f93fa49eeca907cc3336357929fc294fe2cda
MD5 hash:
c850f2bf72edf4e179f708b9e0c3fde0
SHA1 hash:
2a50a89fc516d79aa1a57a4375282d7d83281713
SH256 hash:
7daa6fc02349e7bf9fdd47df2232feeb5cba39d2da676f3ab7116c5c4a628e19
MD5 hash:
f84caeedb324a45f38194c07939981b7
SHA1 hash:
1a37101c17303d776ddc1b0bd99a0fcced98aad0
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 83cf437c836ab33363eba52aa05f93fa49eeca907cc3336357929fc294fe2cda

(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