MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07439f8a2adbe031b3b1f4bca85a8f8e99dfac6499ec6f9261d3c01d7a744bb6. 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 2 File information Comments

SHA256 hash: 07439f8a2adbe031b3b1f4bca85a8f8e99dfac6499ec6f9261d3c01d7a744bb6
SHA3-384 hash: 4b21650b98c919ada3abdb0f856c5eac9875c386f97355fb979f8aa1d1793fe784ae676f051f06b0df1f2dd305a9b4e4
SHA1 hash: bd338186079c1afd2750416c02b8650dbb6e463a
MD5 hash: 51636e7775782f91df225f511b297f96
humanhash: kilo-river-apart-nineteen
File name:file
Download: download sample
Signature Smoke Loader
File size:418'304 bytes
First seen:2024-09-25 09:58:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dbcafdf90cf6fa1f29b89e8542f94f6a (2 x Stealc, 1 x Smoke Loader)
ssdeep 6144:D4SOx32ux+Zzo97tIDEjTI3+bOFNnPDqbc3Io/LTJWXvbMvquO52T3:BOxLx+Zk9paHNPDqbdo/LdWfbMCuYA
Threatray 2'325 similar samples on MalwareBazaar
TLSH T1E3949F4392E5BF70E4178B329E2EC6F9365DF9624E15376B221B6E1F24B02B1C163B11
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 183464c488c2c800 (1 x Smoke Loader)
Reporter Bitsight
Tags:147-45-44-104 exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/yuop/66f3de8e8f1c5_lyla334.exe#lyla

Intelligence


File Origin
# of uploads :
1
# of downloads :
456
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-25 10:03:08 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
Network Stealth Phishing Hype Onli Remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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 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: 1518096 Sample: file.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 53 nwgrus.ru 2->53 55 calvinandhalls.com 2->55 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 6 other signatures 2->75 10 file.exe 2->10         started        13 tctrcdj 2->13         started        15 vdtrcdj 2->15         started        17 msiexec.exe 2->17         started        signatures3 process4 signatures5 115 Detected unpacking (changes PE section rights) 10->115 117 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->117 119 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->119 121 Switches to a custom stack to bypass stack traces 10->121 19 explorer.exe 96 9 10->19 injected 123 Antivirus detection for dropped file 13->123 125 Multi AV Scanner detection for dropped file 13->125 127 Machine Learning detection for dropped file 13->127 129 Maps a DLL or memory area into another process 15->129 131 Checks if the current machine is a virtual machine (disk enumeration) 15->131 133 Creates a thread in another existing process (thread injection) 15->133 process6 dnsIp7 57 nwgrus.ru 190.13.174.94, 49709, 49710, 49711 TelefonicadelSurSACL Chile 19->57 59 calvinandhalls.com 23.145.40.162, 443, 49739, 49740 SURFAIRWIRELESS-IN-01US Reserved 19->59 61 2 other IPs or domains 19->61 45 C:\Users\user\AppData\Roaming\vdtrcdj, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\tctrcdj, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\A0ED.exe, PE32 19->49 dropped 51 2 other malicious files 19->51 dropped 83 System process connects to network (likely due to code injection or exploit) 19->83 85 Benign windows process drops PE files 19->85 87 Injects code into the Windows Explorer (explorer.exe) 19->87 89 3 other signatures 19->89 24 9065.exe 2 19->24         started        27 A0ED.exe 19->27         started        29 explorer.exe 20 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 91 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->91 93 Machine Learning detection for dropped file 24->93 95 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 24->95 97 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 24->97 33 cmd.exe 1 24->33         started        99 Antivirus detection for dropped file 27->99 101 Detected unpacking (changes PE section rights) 27->101 103 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 27->103 113 4 other signatures 27->113 105 System process connects to network (likely due to code injection or exploit) 29->105 107 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->107 109 Tries to steal Mail credentials (via file / registry access) 29->109 111 Tries to harvest and steal browser information (history, passwords, etc) 31->111 process12 signatures13 63 Uses netsh to modify the Windows network and firewall settings 33->63 65 Uses ipconfig to lookup or modify the Windows network settings 33->65 67 Modifies the windows firewall 33->67 36 WMIC.exe 33->36         started        39 systeminfo.exe 33->39         started        41 conhost.exe 33->41         started        43 17 other processes 33->43 process14 signatures15 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->77 79 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 36->79 81 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 36->81
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-25 09:59:06 UTC
File Type:
PE (Exe)
Extracted files:
67
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
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:
07439f8a2adbe031b3b1f4bca85a8f8e99dfac6499ec6f9261d3c01d7a744bb6
MD5 hash:
51636e7775782f91df225f511b297f96
SHA1 hash:
bd338186079c1afd2750416c02b8650dbb6e463a
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

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 07439f8a2adbe031b3b1f4bca85a8f8e99dfac6499ec6f9261d3c01d7a744bb6

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetFileAttributesA

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