MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773
SHA3-384 hash: f95170e26c02938adaf873021ad7652c5a7eeb924e0dd8e78cbcac5763b749178ea9ace30c5ff7abe16cc58c73f9221d
SHA1 hash: 4e86e5c30491194a720353d803539b6776db51ab
MD5 hash: 09747c06dc2b534029134322cb3156bc
humanhash: golf-oranges-table-triple
File name:A9C303FE1E77B41A130AC81223BCBB7A0B61753DD484EF510FBB9FEC74003F73.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:276'480 bytes
First seen:2024-07-24 20:06:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8b02652dda4770f34817322f629975c (3 x Smoke Loader, 3 x Worm.Ramnit, 2 x RedLineStealer)
ssdeep 6144:3Qb38M9QIC7oVQzqlOrrABY29B5RwGYw2KWNmJHoI:3E8M9PC7oKXABt1r2c
TLSH T136449E00BBA0D035E4B752F8497AD3ADB93E7AB05B3550CB62D51AEB16356E0EC3131B
TrID 29.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
21.3% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
16.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.7% (.SCR) Windows screen saver (13097/50/3)
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter Anonymous
Tags:exe Smoke Loader


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
CN CN
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Virus.Wapomi-9802127-0
Create hunting rule

Win.Dropper.Generickdz-9939781-0
Create hunting rule

Win.Packed.Crypterx-9954995-0
Create hunting rule

Win.Malware.Wapomi-10020301-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a15eedae21d7902eafc12b
Tags:
Execution Generic Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Changing an executable file
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Modifying an executable file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Query of malicious DNS domain
Infecting executable files
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:
fingerprint lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66a15f44dfa8b2fced4e21eb/reports/224f599a-cb11-48ab-95af-b3f1cbddccc1/overview
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a25a0c2e-9b47-4817-9ac7-235faff7fd19
Result
Threat name:
Bdaejec, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480761
Signature
AI detected suspicious sample
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)
Contains functionality to inject code into remote processes
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)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has a writeable .text section
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)
Uses known network protocols on non-standard ports
Yara detected Bdaejec
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480761 Sample: A9C303FE1E77B41A130AC81223B... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 49 host-data-coin-11.com 2->49 51 171.39.242.20.in-addr.arpa 2->51 53 2 other IPs or domains 2->53 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 11 other signatures 2->65 9 A9C303FE1E77B41A130AC81223BCBB7A0B61753DD484EF510FBB9FEC74003F73.exe 1 2->9         started        13 ddbdsea 2->13         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\Temp\ppXMMt.exe, PE32 9->43 dropped 67 Detected unpacking (changes PE section rights) 9->67 69 Contains functionality to inject code into remote processes 9->69 71 Injects a PE file into a foreign processes 9->71 15 A9C303FE1E77B41A130AC81223BCBB7A0B61753DD484EF510FBB9FEC74003F73.exe 9->15         started        18 ppXMMt.exe 14 9->18         started        73 Antivirus detection for dropped file 13->73 75 Machine Learning detection for dropped file 13->75 77 Switches to a custom stack to bypass stack traces 13->77 22 ddbdsea 13->22         started        24 ppXMMt.exe 1 25 13->24         started        signatures6 process7 dnsIp8 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->87 89 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->89 91 Maps a DLL or memory area into another process 15->91 26 explorer.exe 40 3 15->26 injected 55 ddos.dnsnb8.net 44.221.84.105, 49710, 49721, 49722 AMAZON-AESUS United States 18->55 37 C:\Program Files\7-Zip\Uninstall.exe, PE32 18->37 dropped 39 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 18->39 dropped 41 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 18->41 dropped 93 Antivirus detection for dropped file 18->93 95 Detected unpacking (changes PE section rights) 18->95 97 Machine Learning detection for dropped file 18->97 99 Infects executable files (exe, dll, sys, html) 18->99 31 WerFault.exe 22 16 18->31         started        101 Checks if the current machine is a virtual machine (disk enumeration) 22->101 103 Creates a thread in another existing process (thread injection) 22->103 33 cmd.exe 1 24->33         started        file9 signatures10 process11 dnsIp12 57 host-data-coin-11.com 188.40.141.211, 49720, 80 HETZNER-ASDE Germany 26->57 45 C:\Users\user\AppData\Roaming\ddbdsea, PE32 26->45 dropped 47 C:\Users\user\...\ddbdsea:Zone.Identifier, ASCII 26->47 dropped 79 System process connects to network (likely due to code injection or exploit) 26->79 81 Benign windows process drops PE files 26->81 83 Deletes itself after installation 26->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->85 35 conhost.exe 33->35         started        file13 signatures14 process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773/
Threat name:
Win32.Virus.Jadtre
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 20:07:07 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrxv4ofm2v5gg4xejxbudp2gayh67delbyo5h75drmq53lo4g5zq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 aspackv2 backdoor discovery trojan
Link:
https://tria.ge/reports/240724-yvzmnsvbnk/
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
ASPack v2.12-2.42
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
SmokeLoader
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2c3ff948-50be-4b13-9eda-09e5886d041d
Unpacked files
SH256 hash:
788f723ebfe0110232b52ee15345acc5f74a53ea45e5f422dc5ce2eb5833fadc
MD5 hash:
198ff357daf4345c9fc869616b139381
SHA1 hash:
24c9899b296cf004e400b77e72b89f42bb726f37
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/7f63b49a-4246-4c7f-a402-3fb203456794/
Parent samples :
3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773
6861cdee1ee282ee8c69e31503d95291409907d8b27538f8082adb00205ad105
ccf4e081582226315f3a2bc171b604e3911d0225cc85e18188872ea9832a5388
be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005
53bcd8239258dcbb10f9d3b6d057103c18fe3dd614c5809053426b01b741500d
SH256 hash:
227debb91fed834d4aef588dad3accb0896574936ddc8c33b269ebe1e1468674
MD5 hash:
4675ad14d9fb191558265340e65fbaa1
SHA1 hash:
4d393b0ec74829ecf0f1a040f944a457e0a01318
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/7f63b49a-4246-4c7f-a402-3fb203456794/
SH256 hash:
3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773
MD5 hash:
09747c06dc2b534029134322cb3156bc
SHA1 hash:
4e86e5c30491194a720353d803539b6776db51ab
Link:
https://www.unpac.me/results/7f63b49a-4246-4c7f-a402-3fb203456794/
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/3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Smoke Loader

Executable exe 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::FillConsoleOutputCharacterW
KERNEL32.dll::FlushConsoleInputBuffer
KERNEL32.dll::WriteConsoleInputW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileWithProgressA
KERNEL32.dll::MoveFileA

Comments