MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4a844e31520ffff519cc4aea8acce0eff61cf4f54566964febbde1be29a8712. 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 7 File information Comments

SHA256 hash: c4a844e31520ffff519cc4aea8acce0eff61cf4f54566964febbde1be29a8712
SHA3-384 hash: 031af5dc5bea4e678df243ec61d861a7b52fd4e95c40042c7f44e080b0066b0182f8bad28f7696728aba359abc1bc249
SHA1 hash: 4343ea3bf97c160b0329432a1cd9a9680491509c
MD5 hash: afa6fbd86c448bceaf510ae6f8b831be
humanhash: zebra-india-bakerloo-july
File name:afa6fbd86c448bceaf510ae6f8b831be.exe
Download: download sample
Signature LummaStealer
File size:2'784'256 bytes
First seen:2023-12-09 20:40:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 49152:himYSnZL14ZONmqUwewSxHecP4XCxexdjXpo6N1QV:YmBLGZEmqUDzx+JdVo6N1
TLSH T193D533559BD99871E966673114F30AD3273238B8D43CC78F2784AA0E98F3A658077E4F
TrID 41.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
22.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
11.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:exe LummaStealer


Avatar
abuse_ch
LummaStealer C2:
http://societylaboratoryuw.pw/api

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Сreating synchronization primitives
Modifying a system file
Creating a file
Replacing files
Launching a process
Launching a service
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Sending a UDP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Forced system process termination
Blocking the Windows Defender launch
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Stealing user critical data
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
91%
Tags:
advpack anti-vm autoit CAB control explorer greyware installer keylogger lolbin packed rundll32 setupapi sfx shell32
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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
PrivateLoader, RedLine, RisePro Stealer,
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Exclude list of file types from scheduled, custom, and real-time scanning
Found malware configuration
Found stalling execution ending in API Sleep call
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies Group Policy settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected PrivateLoader
Yara detected RedLine Stealer
Yara detected RisePro Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1357020 Sample: 01dIbj4qQF.exe Startdate: 09/12/2023 Architecture: WINDOWS Score: 100 97 ipinfo.io 2->97 103 Snort IDS alert for network traffic 2->103 105 Multi AV Scanner detection for domain / URL 2->105 107 Found malware configuration 2->107 109 12 other signatures 2->109 12 01dIbj4qQF.exe 1 4 2->12         started        16 OfficeTrackerNMP131.exe 10 501 2->16         started        18 OfficeTrackerNMP131.exe 2->18         started        20 10 other processes 2->20 signatures3 process4 file5 85 C:\Users\user\AppData\Local\...\tB0lu63.exe, PE32 12->85 dropped 87 C:\Users\user\AppData\Local\...\6FR1MW1.exe, PE32 12->87 dropped 135 Binary is likely a compiled AutoIt script file 12->135 22 tB0lu63.exe 1 4 12->22         started        89 C:\...\2IqSP_pG4MZy7nAoecSbd9FAEVCviMif.zip, Zip 16->89 dropped 137 Multi AV Scanner detection for dropped file 16->137 139 Detected unpacking (changes PE section rights) 16->139 141 Detected unpacking (overwrites its own PE header) 16->141 149 5 other signatures 16->149 26 WerFault.exe 16->26         started        36 2 other processes 16->36 91 C:\...\Ah8ZDGVXOuFQ486vYsDjrsCRQsea8mjm.zip, Zip 18->91 dropped 143 Tries to steal Mail credentials (via file / registry access) 18->143 145 Disables Windows Defender (deletes autostart) 18->145 147 Tries to harvest and steal browser information (history, passwords, etc) 18->147 28 WerFault.exe 18->28         started        38 2 other processes 18->38 30 WerFault.exe 20->30         started        32 WerFault.exe 20->32         started        34 WerFault.exe 20->34         started        40 6 other processes 20->40 signatures6 process7 file8 77 C:\Users\user\AppData\Local\...\qP8xB26.exe, PE32 22->77 dropped 79 C:\Users\user\AppData\Local\...\5eh2lq1.exe, PE32 22->79 dropped 127 Multi AV Scanner detection for dropped file 22->127 42 qP8xB26.exe 1 4 22->42         started        129 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->129 131 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 30->131 signatures9 process10 file11 81 C:\Users\user\AppData\Local\...\kX8EH32.exe, PE32 42->81 dropped 83 C:\Users\user\AppData\Local\...\4hV149il.exe, PE32 42->83 dropped 133 Multi AV Scanner detection for dropped file 42->133 46 kX8EH32.exe 1 4 42->46         started        signatures12 process13 file14 93 C:\Users\user\AppData\Local\...\3mk61Eb.exe, PE32 46->93 dropped 95 C:\Users\user\AppData\Local\...\1yz61bk1.exe, PE32 46->95 dropped 151 Multi AV Scanner detection for dropped file 46->151 50 1yz61bk1.exe 11 508 46->50         started        55 3mk61Eb.exe 46->55         started        signatures15 process16 dnsIp17 99 193.233.132.51, 49729, 49730, 49733 FREE-NET-ASFREEnetEU Russian Federation 50->99 101 ipinfo.io 34.117.59.81, 443, 49731, 49732 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 50->101 69 C:\Users\user\AppData\...\FANBooster131.exe, PE32 50->69 dropped 71 C:\Users\user\AppData\...\MaxLoonaFest131.exe, PE32 50->71 dropped 73 C:\ProgramData\...\OfficeTrackerNMP131.exe, PE32 50->73 dropped 75 2 other malicious files 50->75 dropped 111 Multi AV Scanner detection for dropped file 50->111 113 Detected unpacking (changes PE section rights) 50->113 115 Detected unpacking (overwrites its own PE header) 50->115 125 9 other signatures 50->125 57 schtasks.exe 1 50->57         started        59 schtasks.exe 1 50->59         started        61 WerFault.exe 50->61         started        63 2 other processes 50->63 117 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 55->117 119 Maps a DLL or memory area into another process 55->119 121 Checks if the current machine is a virtual machine (disk enumeration) 55->121 123 Creates a thread in another existing process (thread injection) 55->123 file18 signatures19 process20 process21 65 conhost.exe 57->65         started        67 conhost.exe 59->67         started       
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-12-09 20:41:06 UTC
File Type:
PE (Exe)
Extracted files:
219
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:privateloader family:risepro family:smokeloader backdoor collection discovery loader persistence spyware stealer trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
AutoIT Executable
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
PrivateLoader
RisePro
SmokeLoader
Malware Config
C2 Extraction:
193.233.132.51
http://81.19.131.34/fks/index.php
Unpacked files
SH256 hash:
4b51c393104af7970c54b872bc91f1af6b89457e49f6d6df2c917e0111a18738
MD5 hash:
392cf6ddab6eced22a91245e612c777c
SHA1 hash:
8920bcee1bda44af19aa6a6f0373311dcceac6b1
SH256 hash:
ff912908041640ce456350af3b8a3df990f571e389f83bda4089a0ee161d679d
MD5 hash:
9d80f5e8995f8217f52f854036a953ee
SHA1 hash:
f9a3af2ad94562125f6db3b326259433b7749229
SH256 hash:
75942bf4b23a5a6ab7f2d8d4f9b750f95a00ea0c95de128606dbfd7bd4831e34
MD5 hash:
9cd0b677b4ca37ec6aa66ff0b57743cf
SHA1 hash:
40978f1f91608c43dc8910fffdca5316d9ab904b
Detections:
win_smokeloader_a2
SH256 hash:
c4a844e31520ffff519cc4aea8acce0eff61cf4f54566964febbde1be29a8712
MD5 hash:
afa6fbd86c448bceaf510ae6f8b831be
SHA1 hash:
4343ea3bf97c160b0329432a1cd9a9680491509c
Detections:
win_redline_wextract_hunting_oct_2023
Malware family:
PrivateLoader
Verdict:
Malicious
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Redline_Stealer
Author:Varp0s
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_redline_wextract_hunting_oct_2023
Author:Matthew @ Embee_Research
Description:Detects wextract archives related to redline/amadey

File information


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

Web download

LummaStealer

Executable exe c4a844e31520ffff519cc4aea8acce0eff61cf4f54566964febbde1be29a8712

(this sample)

  
Delivery method
Distributed via web download

Comments