MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50
SHA3-384 hash: 5bbbfb6154ecddd29ca2a1df08f1fe6053a67018b1c81eb456b9ff12f3024f429b491bfa8ecac74ef58b1092b2a3fc74
SHA1 hash: aa9d46d3a37d0c4767043dd74b1d322e1701dbf5
MD5 hash: 66c8c54f1f6c857f8228e74b287efbf2
humanhash: low-football-ten-eighteen
File name:iroklas.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:326'656 bytes
First seen:2025-03-19 19:33:14 UTC
Last seen:2025-03-19 20:19:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 30ab3831fbc650ec50fb1809a40a0dc5 (3 x LummaStealer, 1 x SalatStealer)
ssdeep 6144:Z68FTaBTu+BOumpRJhgufWeZSRLpd/RvN:ZHalu+WpRJhgsWMg/RvN
TLSH T19F648E15F7A804F5E9A7827CC9424906EB72BC5647A0E7CF13E04A963F276E09E3E711
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter aachum
Tags:exe LummaStealer


Avatar
iamaachum
https://github.com/deripascod/romawer/raw/refs/heads/main/iroklas.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
417
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
iroklas.exe
Verdict:
Malicious activity
Analysis date:
2025-03-19 20:45:50 UTC
Tags:
github stealer lumma
Link:
https://app.any.run/tasks/6fa9701b-b45b-435c-a683-6f12835c8780

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67db1c319388e75d078eb64e
Tags:
dropper shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Running batch commands
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc obfuscated packed
Link:
https://www.filescan.io/uploads/67db1c34b93e688233ef1691/reports/4e6894f0-82b4-4435-97cd-06a4fcbf62b6/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50
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:
Unknown
Link:
https://analyze.intezer.com/analyses/b72477a5-a1ca-4f4b-a7ac-ce803d8e358f
Result
Threat name:
LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1643463
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Detected unpacking (changes PE section rights)
Found API chain indicative of debugger detection
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Powershell drops PE file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Invoke-WebRequest Execution
Suspicious powershell command line found
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1643463 Sample: iroklas.exe Startdate: 19/03/2025 Architecture: WINDOWS Score: 100 54 triplooqp.world 2->54 56 raw.githubusercontent.com 2->56 58 github.com 2->58 88 Multi AV Scanner detection for submitted file 2->88 90 Yara detected LummaC Stealer 2->90 92 PE file has nameless sections 2->92 94 5 other signatures 2->94 9 iroklas.exe 1 3 2->9         started        12 Servicio.exe 2->12         started        14 Servicio.exe 2->14         started        signatures3 process4 dnsIp5 96 Found API chain indicative of debugger detection 9->96 98 Adds a directory exclusion to Windows Defender 9->98 17 Servicio.exe 9->17         started        21 cmd.exe 1 9->21         started        23 cmd.exe 1 9->23         started        25 conhost.exe 9->25         started        100 Query firmware table information (likely to detect VMs) 12->100 102 Found many strings related to Crypto-Wallets (likely being stolen) 12->102 104 Tries to harvest and steal ftp login credentials 12->104 106 Tries to harvest and steal browser information (history, passwords, etc) 12->106 27 chrome.exe 12->27         started        74 127.0.0.1 unknown unknown 14->74 108 Tries to steal Crypto Currency Wallets 14->108 110 Hides threads from debuggers 14->110 29 chrome.exe 14->29         started        signatures6 process7 dnsIp8 50 triplooqp.world 104.21.16.1, 443, 49722, 49725 CLOUDFLARENETUS United States 17->50 76 Antivirus detection for dropped file 17->76 78 Multi AV Scanner detection for dropped file 17->78 80 Detected unpacking (changes PE section rights) 17->80 86 7 other signatures 17->86 82 Suspicious powershell command line found 21->82 84 Adds a directory exclusion to Windows Defender 21->84 31 powershell.exe 23 21->31         started        34 powershell.exe 14 16 23->34         started        38 chrome.exe 27->38         started        40 chrome.exe 27->40         started        52 192.168.2.5, 138, 443, 49217 unknown unknown 29->52 42 chrome.exe 29->42         started        44 chrome.exe 29->44         started        signatures9 process10 dnsIp11 112 Loading BitLocker PowerShell Module 31->112 114 Powershell drops PE file 31->114 46 WmiPrvSE.exe 31->46         started        60 github.com 140.82.113.3, 443, 49719 GITHUBUS United States 34->60 62 raw.githubusercontent.com 185.199.109.133, 443, 49720 FASTLYUS Netherlands 34->62 48 C:\Users\user\AppData\Local\...\Servicio.exe, PE32 34->48 dropped 64 142.250.176.196, 443, 49768, 49769 GOOGLEUS United States 38->64 70 2 other IPs or domains 38->70 66 play.google.com 142.250.65.238, 443, 49752, 49756 GOOGLEUS United States 42->66 68 www.google.com 142.250.80.100, 443, 49734, 49737 GOOGLEUS United States 42->68 72 2 other IPs or domains 42->72 file12 signatures13 process14
Score:
76%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-03-19 19:34:10 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wuivirgirjo5kpwdw7zjlrebep5mcfog3vx6ayep47vsy5tyzvia._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/250319-x95xka1tes/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b61c2895-071a-4923-a1d8-652d37323899
Unpacked files
SH256 hash:
b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50
MD5 hash:
66c8c54f1f6c857f8228e74b287efbf2
SHA1 hash:
aa9d46d3a37d0c4767043dd74b1d322e1701dbf5
Link:
https://www.unpac.me/results/48c1ce64-0105-405f-9972-5535f24e735c/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5115444c88a/report/overview.html
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/b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset

File information

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

Web download

LummaStealer

Executable exe b5115444c88a5dd53ec3b7f295c48123fac115c6dd6fe0608fe7eb2c7678cd50

(this sample)

  
Link
https://tria.ge/250319-xzc4ssz1gz/behavioral12
  
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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegSetValueExW

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