MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fa8a39ed5d76af4522d373c62bdb8e840f59d972e7f8e42cfd45cac31cf55f4. 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 8 File information Comments

SHA256 hash: 2fa8a39ed5d76af4522d373c62bdb8e840f59d972e7f8e42cfd45cac31cf55f4
SHA3-384 hash: f7f6e888bc21022401aa1f39d5cb9706bf782d2cb53e8fda2aa39ef56d38f2760cfd34192c61e3f8ec3be1f6cfc1f4cf
SHA1 hash: bc012ea3d2e8a2e40dbd413cecfb84b8d1618855
MD5 hash: 7543ad787c7c765f70e600ecc9ed7639
humanhash: chicken-xray-carpet-purple
File name:7543ad787c7c765f70e600ecc9ed7639.exe
Download: download sample
Signature LummaStealer
File size:2'672'128 bytes
First seen:2023-12-09 07:45:16 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:Kfim/uNSZBZrxCgQCKNPAFFq41uoGtP6ASYx2ODgVLem1:E20Z3rE3CKNMDUdttfx1DULp1
TLSH T143C53387E8E6D673E8F157B148D10AE71631B8E3D97142B72821DC0A4D33341BA72B6E
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:
77.105.132.87:20104

Intelligence


File Origin
# of uploads :
1
# of downloads :
325
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
Launching a process
Replacing files
Launching a service
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Sending a UDP request
Reading critical registry keys
Forced system process termination
Launching the default Windows debugger (dwwin.exe)
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:
100%
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
.NET source code contains potential unpacker
Adds extensions / path to Windows Defender exclusion list (Registry)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
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 dropped file
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
System process connects to network (likely due to code injection or exploit)
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: 1356819 Sample: O67RAr74KS.exe Startdate: 09/12/2023 Architecture: WINDOWS Score: 100 126 runeelite.com 2->126 128 medicinebuckerrysa.pw 2->128 130 2 other IPs or domains 2->130 152 Snort IDS alert for network traffic 2->152 154 Multi AV Scanner detection for domain / URL 2->154 156 Found malware configuration 2->156 158 14 other signatures 2->158 13 O67RAr74KS.exe 1 4 2->13         started        17 OfficeTrackerNMP131.exe 10 12 2->17         started        19 OfficeTrackerNMP131.exe 2->19         started        21 12 other processes 2->21 signatures3 process4 file5 116 C:\Users\user\AppData\Local\...\KK5Vr46.exe, PE32 13->116 dropped 118 C:\Users\user\AppData\Local\...\6CD4bN7.exe, PE32 13->118 dropped 186 Binary is likely a compiled AutoIt script file 13->186 23 KK5Vr46.exe 1 4 13->23         started        188 Antivirus detection for dropped file 17->188 190 Multi AV Scanner detection for dropped file 17->190 192 Detected unpacking (changes PE section rights) 17->192 204 5 other signatures 17->204 120 C:\...\cknOHncGVOZ2xgWqqqdi8NuyZbQstQrU.zip, Zip 19->120 dropped 194 Tries to steal Mail credentials (via file / registry access) 19->194 196 Disables Windows Defender (deletes autostart) 19->196 198 Tries to harvest and steal browser information (history, passwords, etc) 19->198 27 WerFault.exe 19->27         started        200 Detected unpacking (overwrites its own PE header) 21->200 202 Machine Learning detection for dropped file 21->202 29 WerFault.exe 21->29         started        31 WerFault.exe 21->31         started        33 WerFault.exe 21->33         started        35 3 other processes 21->35 signatures6 process7 file8 108 C:\Users\user\AppData\Local\...\zn8yf20.exe, PE32 23->108 dropped 110 C:\Users\user\AppData\Local\...\5xn3ed7.exe, PE32 23->110 dropped 166 Multi AV Scanner detection for dropped file 23->166 37 zn8yf20.exe 1 4 23->37         started        signatures9 process10 file11 96 C:\Users\user\AppData\Local\...\FJ1UA96.exe, PE32 37->96 dropped 98 C:\Users\user\AppData\Local\...\4fT155VM.exe, PE32 37->98 dropped 160 Multi AV Scanner detection for dropped file 37->160 41 FJ1UA96.exe 1 4 37->41         started        signatures12 process13 file14 112 C:\Users\user\AppData\Local\...\3Fe22Yc.exe, PE32 41->112 dropped 114 C:\Users\user\AppData\Local\...\1GX82xY5.exe, PE32 41->114 dropped 168 Multi AV Scanner detection for dropped file 41->168 45 3Fe22Yc.exe 41->45         started        48 1GX82xY5.exe 11 508 41->48         started        signatures15 process16 dnsIp17 170 Multi AV Scanner detection for dropped file 45->170 172 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 45->172 174 Maps a DLL or memory area into another process 45->174 182 2 other signatures 45->182 52 explorer.exe 45->52 injected 122 193.233.132.51, 49704, 49706, 49707 FREE-NET-ASFREEnetEU Russian Federation 48->122 124 ipinfo.io 34.117.59.81, 443, 49705, 49708 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 48->124 84 C:\Users\user\AppData\...\FANBooster131.exe, PE32 48->84 dropped 86 C:\Users\user\AppData\...\MaxLoonaFest131.exe, PE32 48->86 dropped 88 C:\ProgramData\...\OfficeTrackerNMP131.exe, PE32 48->88 dropped 90 2 other malicious files 48->90 dropped 176 Detected unpacking (changes PE section rights) 48->176 178 Detected unpacking (overwrites its own PE header) 48->178 180 Tries to steal Mail credentials (via file / registry access) 48->180 184 8 other signatures 48->184 57 schtasks.exe 1 48->57         started        59 schtasks.exe 1 48->59         started        61 WerFault.exe 48->61         started        file18 signatures19 process20 dnsIp21 132 185.196.8.238 SIMPLECARRER2IT Switzerland 52->132 134 185.172.128.19, 49731, 80 NADYMSS-ASRU Russian Federation 52->134 136 2 other IPs or domains 52->136 100 C:\Users\user\AppData\Local\Temp\FAB5.exe, PE32+ 52->100 dropped 102 C:\Users\user\AppData\Local\Temp8B3.exe, PE32 52->102 dropped 104 C:\Users\user\AppData\Local\Temp\DC7D.exe, PE32 52->104 dropped 106 4 other malicious files 52->106 dropped 162 System process connects to network (likely due to code injection or exploit) 52->162 164 Benign windows process drops PE files 52->164 63 9FF0.exe 52->63         started        67 9C26.exe 52->67         started        70 FANBooster131.exe 52->70         started        76 2 other processes 52->76 72 conhost.exe 57->72         started        74 conhost.exe 59->74         started        file22 signatures23 process24 dnsIp25 138 77.105.132.87 PLUSTELECOM-ASRU Russian Federation 63->138 140 Multi AV Scanner detection for dropped file 63->140 142 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 63->142 144 Machine Learning detection for dropped file 63->144 150 2 other signatures 63->150 92 C:\Users\user\AppData\Roaming\...\File2.exe, PE32 67->92 dropped 94 C:\Users\user\AppData\Roaming\...\File1.exe, PE32 67->94 dropped 78 conhost.exe 67->78         started        146 Detected unpacking (changes PE section rights) 70->146 148 Detected unpacking (overwrites its own PE header) 70->148 80 WerFault.exe 70->80         started        82 WerFault.exe 76->82         started        file26 signatures27 process28
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-12-09 07:46:07 UTC
File Type:
PE (Exe)
Extracted files:
211
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
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:
499ebe66ca9d132054e45669097fe267a35ccdedf432940543b95bf7d4c84511
MD5 hash:
186143279c221e091141889c5b8e8504
SHA1 hash:
9caf6aadf643e0aa5222cb5a46793e61aa261dc9
SH256 hash:
2fa8a39ed5d76af4522d373c62bdb8e840f59d972e7f8e42cfd45cac31cf55f4
MD5 hash:
7543ad787c7c765f70e600ecc9ed7639
SHA1 hash:
bc012ea3d2e8a2e40dbd413cecfb84b8d1618855
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:pe_no_import_table
Description:Detect pe file that no import table
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 2fa8a39ed5d76af4522d373c62bdb8e840f59d972e7f8e42cfd45cac31cf55f4

(this sample)

  
Delivery method
Distributed via web download

Comments