MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c
SHA3-384 hash: 9cceaacdbe1478a71175230a0d09cebd98252d1434bf63604ba471b84caf677812963ac29c391fc71accf03cbc109d06
SHA1 hash: 748fec11d5becea085af46e8197f42ac9a1e011b
MD5 hash: a7d7d48f4a9bb7718ec17d11fba9cad8
humanhash: hotel-dakota-oxygen-chicken
File name:file
Download: download sample
Signature Smoke Loader
File size:232'960 bytes
First seen:2024-09-18 15:17:32 UTC
Last seen:2024-09-18 17:33:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c29aa390145c8ce09b0dc56c0ae599ef (1 x Smoke Loader)
ssdeep 3072:E8TNLO/NZxvu9aR10ocAbdyKA5RKuAYcug3JqO9Emf/n:E8TNLO/JiaRGGOAYc5Jq6EmHn
TLSH T17B3418127AF17865E6F6AB314F3BB7FC662FB862DF24D2791106590F08B12E0C516392
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 12716c4cf4c4d4c4 (6 x Stealc, 3 x Socks5Systemz, 1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/malesa/66eaee5323f5d_setup3.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
456
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-18 15:34:45 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc exploit 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 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
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: 1513291 Sample: file.exe Startdate: 18/09/2024 Architecture: WINDOWS Score: 100 53 olihonols.in.net 2->53 55 epohe.ru 2->55 57 calvinandhalls.com 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 7 other signatures 2->77 10 file.exe 2->10         started        13 wrrgvau 2->13         started        15 wfrgvau 2->15         started        17 2 other processes 2->17 signatures3 process4 signatures5 117 Detected unpacking (changes PE section rights) 10->117 119 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->119 121 Maps a DLL or memory area into another process 10->121 123 Switches to a custom stack to bypass stack traces 10->123 19 explorer.exe 92 9 10->19 injected 125 Antivirus detection for dropped file 13->125 127 Multi AV Scanner detection for dropped file 13->127 129 Machine Learning detection for dropped file 13->129 131 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 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 59 190.156.239.49, 49767, 49769, 49772 TelmexColombiaSACO Colombia 19->59 61 calvinandhalls.com 23.145.40.162, 443, 49753, 49754 SURFAIRWIRELESS-IN-01US Reserved 19->61 63 3 other IPs or domains 19->63 45 C:\Users\user\AppData\Roaming\wrrgvau, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\wfrgvau, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\DEA7.exe, PE32 19->49 dropped 51 2 other malicious files 19->51 dropped 85 Benign windows process drops PE files 19->85 87 Injects code into the Windows Explorer (explorer.exe) 19->87 89 Deletes itself after installation 19->89 91 2 other signatures 19->91 24 315E.exe 2 19->24         started        27 DEA7.exe 19->27         started        29 explorer.exe 20 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->93 95 Machine Learning detection for dropped file 24->95 97 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 24->97 99 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 24->99 33 cmd.exe 24->33         started        101 Antivirus detection for dropped file 27->101 103 Detected unpacking (changes PE section rights) 27->103 105 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 27->105 115 4 other signatures 27->115 107 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 65 Uses netsh to modify the Windows network and firewall settings 33->65 67 Uses ipconfig to lookup or modify the Windows network settings 33->67 69 Modifies the windows firewall 33->69 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 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->79 81 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 36->81 83 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 36->83
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2024-09-18 15:18:05 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
15 of 38 (39.47%)
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:
93af4cc041a8352939e0ee5662ae235bbe2ab1022e5801f850ed870f27139188
MD5 hash:
fe0be0a8ef242e9f8587e3b914fbcbac
SHA1 hash:
f7c06d6374d134c287247afddd6b3f3f2ad443e9
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c
MD5 hash:
a7d7d48f4a9bb7718ec17d11fba9cad8
SHA1 hash:
748fec11d5becea085af46e8197f42ac9a1e011b
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: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 de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c

(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
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::GetStartupInfoA
KERNEL32.dll::GetStartupInfoW
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::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTimeAdjustment

Comments