MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840
SHA3-384 hash: d073534d0e3ae8a0566bfbeb30a6f25017ce21e2652fbfceb7aae765cda10535f779306fbfd3cbceb1eae785f82e4021
SHA1 hash: 998b7f59bf0acd24f920c5608422b59a1f610d80
MD5 hash: b77043673df8b86cdb3f3049fa4b5cdf
humanhash: eight-fish-virginia-don
File name:483E.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:253'952 bytes
First seen:2024-07-24 13:49:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ce2f11a7a6f312137428370d8186914d (2 x RedLineStealer, 2 x Smoke Loader, 1 x CoinMiner)
ssdeep 3072:/rwPX0z03zXLpLwAafrPH87QBLAKHIrzJ1fiXMOS5i8nF53JBLGCH:u9XLvafr/87QBEKHazrfi/4ba
TLSH T1F444C022BBE2C0B6F4DB007049F1DBA45E7BBC715AB5815F2394166E1EB03D09A1E376
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 8084a090c8c48080 (1 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 :
347
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

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

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

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

Win.Malware.Filerepmalware-10021146-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a1068eae21d7902eaf9966
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
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Modifying an executable file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Query of malicious DNS domain
Infecting executable files
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66a10692b45fbebc0edba2b9/reports/d2095e88-da4b-4187-9396-d65c478e2244/overview
Verdict:
Malicious
Labled as:
Wapomi.BA virus
Link:
https://www.hybrid-analysis.com/sample/9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840
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/9270723f-7f01-42a0-b0bc-9abd17fded75
Result
Threat name:
Bdaejec, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480193
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)
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)
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
PE file contains section with special chars
PE file has a writeable .text section
Switches to a custom stack to bypass stack traces
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: 1480193 Sample: 483E.exe Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 35 sjyey.com 2->35 37 ddos.dnsnb8.net 2->37 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 12 other signatures 2->63 8 483E.exe 1 2->8         started        12 vusacdd 2->12         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\Temp\zyNGhf.exe, PE32 8->23 dropped 65 Detected unpacking (changes PE section rights) 8->65 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->67 69 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->69 77 4 other signatures 8->77 14 zyNGhf.exe 15 8->14         started        19 explorer.exe 70 4 8->19 injected 71 Antivirus detection for dropped file 12->71 73 Multi AV Scanner detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 signatures6 process7 dnsIp8 39 ddos.dnsnb8.net 44.221.84.105, 62470, 62471, 62472 AMAZON-AESUS United States 14->39 25 C:\Program Files\7-Zip\Uninstall.exe, PE32 14->25 dropped 27 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 14->27 dropped 29 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 14->29 dropped 43 Antivirus detection for dropped file 14->43 45 Multi AV Scanner detection for dropped file 14->45 47 Detected unpacking (changes PE section rights) 14->47 55 2 other signatures 14->55 21 WerFault.exe 19 16 14->21         started        41 sjyey.com 188.40.141.211, 62486, 80 HETZNER-ASDE Germany 19->41 31 C:\Users\user\AppData\Roaming\vusacdd, PE32 19->31 dropped 33 C:\Users\user\...\vusacdd:Zone.Identifier, ASCII 19->33 dropped 49 Benign windows process drops PE files 19->49 51 Deletes itself after installation 19->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->53 file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840/
Threat name:
Win32.Virus.Jadtre
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 13:50:06 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=trsahssfu5nlfwixwqauwarhkngmqzryubmyswwvzreisclnzbaa._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-q49j8ssbkc/
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
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/45f76bec-37f8-47b9-b3bf-2d1d4b763ab3
Unpacked files
SH256 hash:
c397c95a266d8cd0e9d4ec771d7556e08f6e30b87562a2722eac3b80e99937f1
MD5 hash:
19520192dc420be42658e333466870e7
SHA1 hash:
7d299e6b632bf115ceea4edded34518d8f1d4404
Detections:
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/48eeb45a-70cc-488d-a9e5-c1fa8c6e5ae3/
Parent samples :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 hash:
8ad4ac4cd0108ca92e64cba20b0c5babf2f04276fcfc1aef059693d5b30c85e3
MD5 hash:
f9b83561299eb4055df585c9b026327f
SHA1 hash:
2a2527d2acc586b2313663365a1a728967b66650
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/48eeb45a-70cc-488d-a9e5-c1fa8c6e5ae3/
SH256 hash:
9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840
MD5 hash:
b77043673df8b86cdb3f3049fa4b5cdf
SHA1 hash:
998b7f59bf0acd24f920c5608422b59a1f610d80
Link:
https://www.unpac.me/results/48eeb45a-70cc-488d-a9e5-c1fa8c6e5ae3/
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/9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840

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
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 9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840

(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_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::SetSystemPowerState
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::AssignProcessToJobObject
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleTitleW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileA
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::GetTempFileNameW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpCheckPlatform

Comments