MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f806d99614eef56bddc324cd0c71cff674d7c1694bfbe03d9ea72f2f3d9d08d. 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



Smoke Loader


Vendor detections: 18


Intelligence 18 IOCs YARA 6 File information Comments

SHA256 hash: 7f806d99614eef56bddc324cd0c71cff674d7c1694bfbe03d9ea72f2f3d9d08d
SHA3-384 hash: 51abbbe6b8333ba93742c6a6c4f2bdbd97aa39c9f2a7f1af3dd3506d7b39faf1cb608a867e09ae70ad962830b0b46d24
SHA1 hash: 2603885d5f59f1a14e8a9bf8247f974b9b94357e
MD5 hash: 6ea7e8d78f2c13dd21e646f0c84a6f55
humanhash: nitrogen-venus-summer-shade
File name:file
Download: download sample
Signature Smoke Loader
File size:253'952 bytes
First seen:2024-09-24 20:15:02 UTC
Last seen:2024-09-24 21:18:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f191e24764ac2972e2c40e13c71b6d0d (4 x GCleaner, 2 x Stealc, 1 x Smoke Loader)
ssdeep 3072:2HLMNa0RHlCGgsTNwust52n5oXVYz3M5pcxZ2Hzaej:2HLMUIHlCVsTgtFFYc56i
TLSH T1E044E8B2EEE1A815EE6647758F29D5DC276FBC629E39524E3240BE0F14733A1C512332
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 32716c4cfcc4d4c4 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/malesa/66f31d151f82e_lyla34.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
471
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-24 20:17:13 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
Network Stealth Phishing Hype Onli Remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
DNS request
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Result
Verdict:
SUSPICIOUS
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:
SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
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)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
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 the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1517236 Sample: file.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 58 nwgrus.ru 2->58 60 calvinandhalls.com 2->60 62 globalviewsnature.com 2->62 76 Suricata IDS alerts for network traffic 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 7 other signatures 2->82 11 file.exe 2->11         started        14 gdtiuvi 2->14         started        16 shtiuvi 2->16         started        18 msiexec.exe 2->18         started        signatures3 process4 signatures5 124 Detected unpacking (changes PE section rights) 11->124 126 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->126 128 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->128 130 Switches to a custom stack to bypass stack traces 11->130 20 explorer.exe 89 9 11->20 injected 132 Antivirus detection for dropped file 14->132 134 Multi AV Scanner detection for dropped file 14->134 136 Machine Learning detection for dropped file 14->136 138 Maps a DLL or memory area into another process 16->138 140 Checks if the current machine is a virtual machine (disk enumeration) 16->140 142 Creates a thread in another existing process (thread injection) 16->142 process6 dnsIp7 64 nwgrus.ru 185.18.245.58, 49711, 49712, 49713 UNINETAZ Azerbaijan 20->64 66 calvinandhalls.com 23.145.40.162, 443, 49742, 49743 SURFAIRWIRELESS-IN-01US Reserved 20->66 68 2 other IPs or domains 20->68 50 C:\Users\user\AppData\Roaming\shtiuvi, PE32 20->50 dropped 52 C:\Users\user\AppData\Roaming\gdtiuvi, PE32 20->52 dropped 54 C:\Users\user\AppData\Local\Temp\FA04.exe, PE32+ 20->54 dropped 56 2 other malicious files 20->56 dropped 90 System process connects to network (likely due to code injection or exploit) 20->90 92 Benign windows process drops PE files 20->92 94 Injects code into the Windows Explorer (explorer.exe) 20->94 96 3 other signatures 20->96 25 FA04.exe 2 20->25         started        28 A3ED.exe 20->28         started        30 explorer.exe 20 20->30         started        32 5 other processes 20->32 file8 signatures9 process10 signatures11 98 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->98 100 Machine Learning detection for dropped file 25->100 102 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 25->102 104 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 25->104 34 cmd.exe 1 25->34         started        106 Antivirus detection for dropped file 28->106 108 Detected unpacking (changes PE section rights) 28->108 110 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 28->110 122 4 other signatures 28->122 112 System process connects to network (likely due to code injection or exploit) 30->112 114 Found evasive API chain (may stop execution after checking mutex) 30->114 116 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->116 118 Tries to steal Mail credentials (via file / registry access) 30->118 120 Tries to harvest and steal browser information (history, passwords, etc) 32->120 process12 signatures13 70 Uses netsh to modify the Windows network and firewall settings 34->70 72 Uses ipconfig to lookup or modify the Windows network settings 34->72 74 Modifies the windows firewall 34->74 37 WMIC.exe 1 34->37         started        40 systeminfo.exe 34->40         started        42 net.exe 34->42         started        44 19 other processes 34->44 process14 signatures15 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 37->84 86 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 37->86 88 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 37->88 46 net1.exe 42->46         started        48 net1.exe 44->48         started        process16
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-24 20:16:05 UTC
File Type:
PE (Exe)
Extracted files:
69
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
smokeloader shellcode_loader_002
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fbc27669946a1374e80eabdbffe6cc9c68766ffc7bf187bbba24ada65405372f
MD5 hash:
d11c9c67d584d187cdc6004f872f7b48
SHA1 hash:
4e5fd00a3d3ca2ab3f685a88c7d04dd925a43dbe
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
7f806d99614eef56bddc324cd0c71cff674d7c1694bfbe03d9ea72f2f3d9d08d
MD5 hash:
6ea7e8d78f2c13dd21e646f0c84a6f55
SHA1 hash:
2603885d5f59f1a14e8a9bf8247f974b9b94357e
Malware family:
SmokeLoader
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks

File information


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

Web download

Smoke Loader

Executable exe 7f806d99614eef56bddc324cd0c71cff674d7c1694bfbe03d9ea72f2f3d9d08d

(this sample)

  
Dropped by
Privateloader
  
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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ObjectPrivilegeAuditAlarmA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetConsoleTitleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExA
KERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTimeAdjustment

Comments