MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b2f2b1d325082dca74a21dee02239fd393d2c6df7cbcfeeb1c49cede8b81351. 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: 5b2f2b1d325082dca74a21dee02239fd393d2c6df7cbcfeeb1c49cede8b81351
SHA3-384 hash: 16eed148cb9419bf45046f11c3e726aedcb82822a1651a736427a6962301a56f9afa9579e53807b47bda0f221e188ba8
SHA1 hash: 45f1dc4651bb63f23944593496a476a9119429df
MD5 hash: da753a479dd54d564152ce9a25a0d588
humanhash: low-berlin-hamper-black
File name:da753a479dd54d564152ce9a25a0d588.exe
Download: download sample
Signature Smoke Loader
File size:236'544 bytes
First seen:2024-09-25 05:50:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ab139552d86057cbb44d5de59ba415c2 (1 x Smoke Loader)
ssdeep 3072:HaAy8gFfZPNuQ2SSAZL2E3yyXck5FQRdDY2nGD4p9rohYP7k6ncVJ:6YgFfZVl2SnZLSkroDProSP7kcy
Threatray 3'714 similar samples on MalwareBazaar
TLSH T188340742A2F17814EF66473A8E29CEB42A3FBC615F75629FB2C4B65F04733A185D2701
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 12716d4cf4c4d4c4 (3 x Smoke Loader, 1 x Tofsee, 1 x Stealc)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
404
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
da753a479dd54d564152ce9a25a0d588.exe
Verdict:
Malicious activity
Analysis date:
2024-09-25 05:51:48 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Network Stealth Malware Phishing Overt Remo Tori
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
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed smokeloader
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 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 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: 1517822 Sample: j1NeIT4ojp.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 53 epohe.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 5 other signatures 2->75 10 j1NeIT4ojp.exe 2->10         started        13 gicihvb 2->13         started        15 ahcihvb 2->15         started        17 3 other processes 2->17 signatures3 process4 signatures5 117 Detected unpacking (changes PE section rights) 10->117 119 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->119 121 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->121 123 Switches to a custom stack to bypass stack traces 10->123 19 explorer.exe 66 9 10->19 injected 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 13->129 131 Antivirus detection for dropped file 15->131 133 Checks if the current machine is a virtual machine (disk enumeration) 15->133 135 Creates a thread in another existing process (thread injection) 15->135 process6 dnsIp7 57 calvinandhalls.com 23.145.40.162, 443, 49750, 49751 SURFAIRWIRELESS-IN-01US Reserved 19->57 59 23.145.40.164, 443, 49740 SURFAIRWIRELESS-IN-01US Reserved 19->59 61 2 other IPs or domains 19->61 45 C:\Users\user\AppData\Roaming\gicihvb, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\ahcihvb, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\8A69.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 4038.exe 2 19->24         started        27 8A69.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 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->103 115 4 other signatures 27->115 105 System process connects to network (likely due to code injection or exploit) 29->105 107 Found evasive API chain (may stop execution after checking mutex) 29->107 109 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->109 111 Tries to steal Mail credentials (via file / registry access) 29->111 113 Tries to harvest and steal browser information (history, passwords, etc) 31->113 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.SmokeLoader
Status:
Malicious
First seen:
2024-09-14 02:47:15 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
22 of 24 (91.67%)
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:
93af4cc041a8352939e0ee5662ae235bbe2ab1022e5801f850ed870f27139188
MD5 hash:
fe0be0a8ef242e9f8587e3b914fbcbac
SHA1 hash:
f7c06d6374d134c287247afddd6b3f3f2ad443e9
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
5b2f2b1d325082dca74a21dee02239fd393d2c6df7cbcfeeb1c49cede8b81351
MD5 hash:
da753a479dd54d564152ce9a25a0d588
SHA1 hash:
45f1dc4651bb63f23944593496a476a9119429df
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 5b2f2b1d325082dca74a21dee02239fd393d2c6df7cbcfeeb1c49cede8b81351

(this sample)

  
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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterW
KERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleAliasesW
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CopyFileExA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyA

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