MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72b1c8d702a136aba2c60a9da4cf3df39282ee3e30f710a3d59e2277d4e7c0c5. 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: 72b1c8d702a136aba2c60a9da4cf3df39282ee3e30f710a3d59e2277d4e7c0c5
SHA3-384 hash: 8cb196e5ac76f65de6b869878094242912ffcdf69c09ed4164d6e22a1cb38c18c309c07fd6735c927e4e563c98bac31c
SHA1 hash: 3be9173ebaefff7b5b5c70c0e83fe1a264756691
MD5 hash: 42924131895c18395ecebb6e49f10b5f
humanhash: twelve-green-purple-cola
File name:file
Download: download sample
Signature Smoke Loader
File size:420'864 bytes
First seen:2024-09-20 16:17:19 UTC
Last seen:2024-09-20 19:33:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c0cab8cc8c7ffc1847966839490b297 (1 x Smoke Loader)
ssdeep 6144:EApiSVLzLdk9V4uVaMduxVHlAQLYmJhQoIkuPFg:ySVzdk9NAMd6jqV
Threatray 2'561 similar samples on MalwareBazaar
TLSH T104947D42E2A17C50ED225A778E3EC7E9BE1DF5A0DE55BBAA3104A91F24F01B1D133B11
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 181828d288a24800 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/revada/66ed9f86292a3_setup3333.exe#lyla

Intelligence


File Origin
# of uploads :
2
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 16:19:20 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Unauthorized injection to a system process
Enabling autorun by creating a file
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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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: 1514606 Sample: file.exe Startdate: 20/09/2024 Architecture: WINDOWS Score: 100 55 nwgrus.ru 2->55 57 calvinandhalls.com 2->57 65 Suricata IDS alerts for network traffic 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 5 other signatures 2->71 10 file.exe 2->10         started        13 sjbwwhh 2->13         started        15 dvbwwhh 2->15         started        17 2 other processes 2->17 signatures3 process4 signatures5 93 Detected unpacking (changes PE section rights) 10->93 95 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->95 97 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->97 19 explorer.exe 59 9 10->19 injected 99 Multi AV Scanner detection for dropped file 13->99 101 Machine Learning detection for dropped file 13->101 103 Maps a DLL or memory area into another process 13->103 105 Checks if the current machine is a virtual machine (disk enumeration) 15->105 107 Creates a thread in another existing process (thread injection) 15->107 109 Switches to a custom stack to bypass stack traces 15->109 24 WerFault.exe 21 17->24         started        process6 dnsIp7 59 nwgrus.ru 190.98.23.157, 49736, 49737, 49738 TelecommunicationcompanySuriname-TeleSurSR Suriname 19->59 61 calvinandhalls.com 23.145.40.162, 443, 49772, 49774 SURFAIRWIRELESS-IN-01US Reserved 19->61 63 2 other IPs or domains 19->63 47 C:\Users\user\AppData\Roaming\sjbwwhh, PE32 19->47 dropped 49 C:\Users\user\AppData\Roaming\dvbwwhh, PE32 19->49 dropped 51 C:\Users\user\AppData\Local\Temp\9791.exe, PE32+ 19->51 dropped 53 2 other malicious files 19->53 dropped 79 System process connects to network (likely due to code injection or exploit) 19->79 81 Benign windows process drops PE files 19->81 83 Injects code into the Windows Explorer (explorer.exe) 19->83 85 3 other signatures 19->85 26 9791.exe 2 19->26         started        29 34E9.exe 19->29         started        31 explorer.exe 18 19->31         started        33 5 other processes 19->33 file8 signatures9 process10 signatures11 111 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->111 113 Machine Learning detection for dropped file 26->113 115 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 26->115 117 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 26->117 35 cmd.exe 26->35         started        119 Detected unpacking (changes PE section rights) 29->119 121 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 29->121 123 Maps a DLL or memory area into another process 29->123 135 3 other signatures 29->135 125 System process connects to network (likely due to code injection or exploit) 31->125 127 Found evasive API chain (may stop execution after checking mutex) 31->127 129 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->129 131 Tries to steal Mail credentials (via file / registry access) 31->131 133 Tries to harvest and steal browser information (history, passwords, etc) 33->133 process12 signatures13 73 Uses netsh to modify the Windows network and firewall settings 35->73 75 Uses ipconfig to lookup or modify the Windows network settings 35->75 77 Modifies the windows firewall 35->77 38 WMIC.exe 35->38         started        41 systeminfo.exe 35->41         started        43 conhost.exe 35->43         started        45 18 other processes 35->45 process14 signatures15 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->87 89 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 38->89 91 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 38->91
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-20 16:18:05 UTC
File Type:
PE (Exe)
Extracted files:
94
AV detection:
20 of 24 (83.33%)
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:
72b1c8d702a136aba2c60a9da4cf3df39282ee3e30f710a3d59e2277d4e7c0c5
MD5 hash:
42924131895c18395ecebb6e49f10b5f
SHA1 hash:
3be9173ebaefff7b5b5c70c0e83fe1a264756691
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 72b1c8d702a136aba2c60a9da4cf3df39282ee3e30f710a3d59e2277d4e7c0c5

(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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleDisplayMode
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::SetVolumeMountPointW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect

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