MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
SHA3-384 hash: aeae1b1012fcf6fbff1e2fcd7a255bdf234dced76859423e439b9aee74687524114725571ac0e5bf14f6529ed8716cbc
SHA1 hash: 9d9e4dccfe75ed49f3b6c89f446654d4d91f63c7
MD5 hash: cccb10ceec06dcd07535387e28224db5
humanhash: eighteen-fillet-angel-neptune
File name:cccb10ceec06dcd07535387e28224db5.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:276'992 bytes
First seen:2024-03-25 16:46:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e881322220aa0a8ed0d8e38f4f3c660b (1 x Smoke Loader)
ssdeep 3072:s/ZZBAvpmGkYrX15+VNX2VvXa4WNCqyEuHTP5QrTFWpc1nCKPTsyWj3cDe4:oZBar15FDWNpg72rTcpqCKP433cD
TLSH T12544BE0236E2D8B5E1B347315D788A94167BFC739A31899B33942F0F6C741C19E76BA2
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)
File icon (PE):PE icon
dhash icon 0004001060c02000 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe
Verdict:
Malicious activity
Analysis date:
2024-03-25 17:32:16 UTC
Tags:
loader smoke smokeloader
Link:
https://app.any.run/tasks/139f3bfd-5e53-4e44-a505-39d0df2249d3

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

Behaviour
Moving a file to the Program Files subdirectory
Replacing files
Searching for the window
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
Connection attempt
Sending an HTTP POST request
Sending a custom TCP request
Launching a process
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
danabot fingerprint
Link:
https://www.filescan.io/uploads/6601aa97e267e4ac508a071f/reports/6f6bc9b5-6340-40d1-8dab-ff8b38a83439/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b18152b6-6597-4749-96fc-6dec0b7170c2
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1415316
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1415316 Sample: LZO44jd1n0.exe Startdate: 25/03/2024 Architecture: WINDOWS Score: 100 21 nidoe.org 2->21 27 Snort IDS alert for network traffic 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 7 other signatures 2->33 7 LZO44jd1n0.exe 2->7         started        10 bwhsvge 2->10         started        signatures3 process4 signatures5 35 Detected unpacking (changes PE section rights) 7->35 37 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->37 39 Maps a DLL or memory area into another process 7->39 47 2 other signatures 7->47 12 explorer.exe 44 3 7->12 injected 41 Antivirus detection for dropped file 10->41 43 Multi AV Scanner detection for dropped file 10->43 45 Machine Learning detection for dropped file 10->45 process6 dnsIp7 23 nidoe.org 93.152.141.65, 49716, 49717, 49718 ONLINEDIRECT-ASBG Bulgaria 12->23 25 123.140.161.243, 49764, 49765, 49766 LGDACOMLGDACOMCorporationKR Korea Republic of 12->25 17 C:\Users\user\AppData\Roaming\bwhsvge, PE32 12->17 dropped 19 C:\Users\user\...\bwhsvge:Zone.Identifier, ASCII 12->19 dropped 49 System process connects to network (likely due to code injection or exploit) 12->49 51 Benign windows process drops PE files 12->51 53 Deletes itself after installation 12->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->55 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-23 18:36:24 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5vqlz7hylcruhhvk2nepkf7gh4niurvt5ndpphm2nxph6cszbma._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Link:
https://tria.ge/reports/240325-vajh6sga7z/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://nidoe.org/tmp/index.php
http://sodez.ru/tmp/index.php
http://uama.com.ua/tmp/index.php
http://talesofpirates.net/tmp/index.php
Unpacked files
SH256 hash:
94c980bdb481962b3fe2eac2de1c1684e7dd5801f8f7eb4222297e0aba5c81e9
MD5 hash:
cec993b0844a21755ac2ce6256649c4f
SHA1 hash:
250da948d4a2e870189fa3ef3556c976fa17ae5c
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/34267a3f-d780-433a-a7bd-de489036ed64/
Parent samples :
2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d
53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c
4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9
f79fad860397942a2d808e1d2b5601f7d3b2af5057195507b782d797be07f301
edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3
SH256 hash:
4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
MD5 hash:
cccb10ceec06dcd07535387e28224db5
SHA1 hash:
9d9e4dccfe75ed49f3b6c89f446654d4d91f63c7
Link:
https://www.unpac.me/results/34267a3f-d780-433a-a7bd-de489036ed64/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f6b05e7e7c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

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 4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2786106/
  
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::FindFirstVolumeMountPointA
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

Comments