MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c27e2d17cf286c37d3691b278c530c70911950db0c7bbc4e57523ecf325f1547. 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 4 File information Comments

SHA256 hash: c27e2d17cf286c37d3691b278c530c70911950db0c7bbc4e57523ecf325f1547
SHA3-384 hash: 16898864c6287d8cef558145c16c220dc6b28edbae64d85df78b5633564f6744baf33d71731963a5c6dddbfaa4254bff
SHA1 hash: f87548174e258b4e9aaf02a76d28874b87413f54
MD5 hash: d56bea8714d3b0d71a4905b3e9103e03
humanhash: edward-charlie-massachusetts-snake
File name:file
Download: download sample
Signature Smoke Loader
File size:255'488 bytes
First seen:2024-09-22 18:41:08 UTC
Last seen:2024-09-23 18:16:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 961bc56325ea858767969d4be856f113 (2 x UACModuleSmokeLoader, 1 x Smoke Loader)
ssdeep 3072:/QGHLMg57JJiTFgV5qzHXROliutbzQ9EH12gu5TlssAxaxBAUf7J:oGHLMwlEyViOAIg9EYBAel
Threatray 3'659 similar samples on MalwareBazaar
TLSH T17044E606A1F0BD36EE66073A1F3993E87B6EBD565E35935D21003A5F4A732B0F592302
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 12716d4cf4c4c4c4 (3 x Stealc, 2 x Smoke Loader, 1 x UACModuleSmokeLoader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/lopsa/66f064675abb3_lyla3.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
447
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-22 18:43:14 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 Phishing Monitor Hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
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:
MALICIOUS
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.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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 malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1515449 Sample: file.exe Startdate: 22/09/2024 Architecture: WINDOWS Score: 100 28 nwgrus.ru 2->28 30 api.msn.com 2->30 32 15.164.165.52.in-addr.arpa 2->32 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 7 other signatures 2->54 8 file.exe 2->8         started        11 sdbdifj 2->11         started        13 explorer.exe 27 151 2->13         started        signatures3 process4 signatures5 56 Detected unpacking (changes PE section rights) 8->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->58 60 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->60 70 2 other signatures 8->70 15 explorer.exe 23 5 8->15 injected 62 Machine Learning detection for dropped file 11->62 64 Maps a DLL or memory area into another process 11->64 66 Checks if the current machine is a virtual machine (disk enumeration) 11->66 68 Query firmware table information (likely to detect VMs) 13->68 process6 dnsIp7 34 186.123.165.48, 58016, 58018, 58019 TechtelLMDSComunicacionesInteractivasSAAR Argentina 15->34 36 23.145.40.164, 443, 58032 SURFAIRWIRELESS-IN-01US Reserved 15->36 38 nwgrus.ru 119.204.11.2, 49736, 49737, 49738 KIXS-AS-KRKoreaTelecomKR Korea Republic of 15->38 22 C:\Users\user\AppData\Roaming\sdbdifj, PE32 15->22 dropped 24 C:\Users\user\AppData\Local\Temp\F754.exe, PE32 15->24 dropped 26 C:\Users\user\...\sdbdifj:Zone.Identifier, ASCII 15->26 dropped 40 System process connects to network (likely due to code injection or exploit) 15->40 42 Benign windows process drops PE files 15->42 44 Deletes itself after installation 15->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->46 20 WerFault.exe 21 15->20         started        file8 signatures9 process10
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-09-22 19:02:36 UTC
File Type:
PE (Exe)
Extracted files:
69
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:
c27e2d17cf286c37d3691b278c530c70911950db0c7bbc4e57523ecf325f1547
MD5 hash:
d56bea8714d3b0d71a4905b3e9103e03
SHA1 hash:
f87548174e258b4e9aaf02a76d28874b87413f54
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 c27e2d17cf286c37d3691b278c530c70911950db0c7bbc4e57523ecf325f1547

(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::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
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::GetComputerNameA
KERNEL32.dll::QueryDosDeviceA
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTimeAdjustment

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