MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526. 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: 19


Intelligence 19 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526
SHA3-384 hash: 4dfb2831e0975aa2956437d9a3cfc6c21b5799e49b7c2e956931ad31777eb2f147d6c44699c20d959397047032e925a8
SHA1 hash: a33b2fc8560ae87aa120fc3a9829f5b28034e70b
MD5 hash: e2d279a05ab5b654f96fe3d96801b2a4
humanhash: music-sodium-east-west
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:415'744 bytes
First seen:2024-09-28 20:35:03 UTC
Last seen:2024-09-28 22:59:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 09e0349bd7bb61f570cadf30667497e7 (1 x Smoke Loader)
ssdeep 12288:wtjCzBdPMNBVh5GtjfJ8uq990UXNQUHl:qwMNBVNqk
TLSH T1FB94AF1263E6EC70D66346318EEACFE4EE2EF8714D5766DB33546B2F28701A1C662701
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 0201132501492900 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/yuop/66f8672c1ff0d_lyla3334.exe#lyla3334

Intelligence

File Origin
# of uploads :
2
# of downloads :
478
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-28 20:38:38 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/ce85dd2c-6d3c-4802-9691-7757e64d81ed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f9522fb31016cf3e57e4f5
Tags:
Phishing Hype Onli
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66f868b4f71b9c224c143420/reports/36c63ca1-6e8b-4dea-95de-91027ac2a525/overview
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24d83968-2ade-4623-8484-2b08fa86949a
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1521534
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 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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1521534 Sample: file.exe Startdate: 28/09/2024 Architecture: WINDOWS Score: 100 39 nwgrus.ru 2->39 41 calvinandhalls.com 2->41 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 5 other signatures 2->49 8 file.exe 2->8         started        11 dfceeji 2->11         started        13 bcceeji 2->13         started        15 2 other processes 2->15 signatures3 process4 signatures5 67 Detected unpacking (changes PE section rights) 8->67 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->69 71 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->71 17 explorer.exe 50 6 8->17 injected 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 77 Maps a DLL or memory area into another process 11->77 79 Checks if the current machine is a virtual machine (disk enumeration) 13->79 81 Creates a thread in another existing process (thread injection) 13->81 83 Switches to a custom stack to bypass stack traces 13->83 process6 dnsIp7 33 calvinandhalls.com 23.145.40.162, 443, 64112 SURFAIRWIRELESS-IN-01US Reserved 17->33 35 23.145.40.164, 443, 64099 SURFAIRWIRELESS-IN-01US Reserved 17->35 37 2 other IPs or domains 17->37 25 C:\Users\user\AppData\Roaming\dfceeji, PE32 17->25 dropped 27 C:\Users\user\AppData\Roaming\bcceeji, PE32 17->27 dropped 29 C:\Users\user\AppData\Local\Temp\9273.exe, PE32 17->29 dropped 31 C:\Users\user\...\dfceeji:Zone.Identifier, ASCII 17->31 dropped 51 System process connects to network (likely due to code injection or exploit) 17->51 53 Benign windows process drops PE files 17->53 55 Deletes itself after installation 17->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->57 22 9273.exe 17->22         started        file8 signatures9 process10 signatures11 59 Detected unpacking (changes PE section rights) 22->59 61 Machine Learning detection for dropped file 22->61 63 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->63 65 4 other signatures 22->65
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-28 20:36:05 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y5f7fgrnhnodr6be5obklqh54bci24muynrfbznsxdwjmy5souta._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
shellcode_loader_002
Create hunting rule
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor discovery trojan
Link:
https://tria.ge/reports/240928-zc2jzsvfqn/
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e76e26e0-f7cd-4180-b3f2-dbf249402693
Unpacked files
SH256 hash:
fbc27669946a1374e80eabdbffe6cc9c68766ffc7bf187bbba24ada65405372f
MD5 hash:
d11c9c67d584d187cdc6004f872f7b48
SHA1 hash:
4e5fd00a3d3ca2ab3f685a88c7d04dd925a43dbe
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/060ce41a-eee8-47af-85e4-3cccced0a5ef/
Parent samples :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 hash:
c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526
MD5 hash:
e2d279a05ab5b654f96fe3d96801b2a4
SHA1 hash:
a33b2fc8560ae87aa120fc3a9829f5b28034e70b
Link:
https://www.unpac.me/results/060ce41a-eee8-47af-85e4-3cccced0a5ef/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c74bf29a2d3b/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/c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526

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:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

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 c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3199310/

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::SetProcessShutdownParameters
KERNEL32.dll::CloseHandle
WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceW

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