MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc
SHA3-384 hash: 1991ae44ae85937b76d5291d8a37596359a188898629306276180af1e82fbd339287b3b2b7657a2d552e5baee5b15b9a
SHA1 hash: 69ba9186d4a0f9ef70da2da5a4620ddcc0fe2e0c
MD5 hash: 99fd671a1d5101c655d52c507e055603
humanhash: west-wisconsin-mississippi-six
File name:353F5750A1B5537C368E78DF89E95E9A470E139FAC957DEF3C709C7D2C74F4CE.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:252'928 bytes
First seen:2024-07-24 12:58:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a945bbba5e19a9f29aa1458bdc91ed8a (6 x Smoke Loader, 6 x SystemBC, 5 x Worm.Ramnit)
ssdeep 3072:c2hSqaAHYSu5M5Ls3aITwYsaEfDEw75b+vMm12lsGCH:Xcqtu657IsYbwdRmcX
TLSH T17334D0D23E80C473C497653174A5C6A14F76A93183F6588B67AACB7F2F203D147B634A
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 5c59da3ce0c1c850 (36 x Stop, 33 x Smoke Loader, 26 x RedLineStealer)
Reporter Anonymous
Tags:exe Smoke Loader


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
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.Packed.Strab-9942213-0
Create hunting rule

Win.Trojan.Generic-9942495-0
Create hunting rule

Win.Dropper.Detected-9942504-0
Create hunting rule

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

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

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a0fa5f6f74caeb2f89bc8f
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc shell32
Link:
https://www.filescan.io/uploads/66a0fa60dfa8b2fced4e0122/reports/4641bdba-4dd3-4db8-a9f5-da1c1da03c58/overview
Verdict:
Malicious
Labled as:
Wapomi.BA virus
Link:
https://www.hybrid-analysis.com/sample/bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc
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/a71a8298-7a8d-4da1-8eed-9ba29bf13c2f
Result
Threat name:
Bdaejec, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480118
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
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
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: 1480118 Sample: 353F5750A1B5537C368E78DF89E... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 38 host-data-coin-11.com 2->38 40 ddos.dnsnb8.net 2->40 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 13 other signatures 2->52 8 353F5750A1B5537C368E78DF89E95E9A470E139FAC957DEF3C709C7D2C74F4CE.exe 1 2->8         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\Temp\ktQGGR.exe, PE32 8->36 dropped 62 Detected unpacking (changes PE section rights) 8->62 64 Contains functionality to inject code into remote processes 8->64 66 Injects a PE file into a foreign processes 8->66 68 Switches to a custom stack to bypass stack traces 8->68 12 353F5750A1B5537C368E78DF89E95E9A470E139FAC957DEF3C709C7D2C74F4CE.exe 8->12         started        15 ktQGGR.exe 14 8->15         started        signatures6 process7 dnsIp8 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->70 72 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->72 74 Maps a DLL or memory area into another process 12->74 82 2 other signatures 12->82 19 explorer.exe 34 3 12->19 injected 44 ddos.dnsnb8.net 44.221.84.105, 49741, 799 AMAZON-AESUS United States 15->44 26 C:\Program Files\7-Zip\Uninstall.exe, PE32 15->26 dropped 28 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 15->28 dropped 30 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 15->30 dropped 76 Antivirus detection for dropped file 15->76 78 Multi AV Scanner detection for dropped file 15->78 80 Detected unpacking (changes PE section rights) 15->80 84 2 other signatures 15->84 24 WerFault.exe 22 16 15->24         started        file9 signatures10 process11 dnsIp12 42 host-data-coin-11.com 188.40.141.211, 64062, 80 HETZNER-ASDE Germany 19->42 32 C:\Users\user\AppData\Roaming\bjriuau, PE32 19->32 dropped 34 C:\Users\user\...\bjriuau:Zone.Identifier, ASCII 19->34 dropped 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Benign windows process drops PE files 19->56 58 Deletes itself after installation 19->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->60 file13 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc/
Threat name:
Win32.Virus.Wapomi
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 12:59:04 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xsout5hq2uofpm2fcvqw2xtkeorx73ad7cee3ayf3meanplbhd6a._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 aspackv2 backdoor discovery trojan
Link:
https://tria.ge/reports/240724-p7gsyswhlj/
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/9b05a63a-01dd-4650-b968-78dc963f34ea
Unpacked files
SH256 hash:
721d393191597d49d856baef2fbde75e48f52d0465e2cfabf1a41848b0e05589
MD5 hash:
b984a027c8a2abf874f3eb306a831613
SHA1 hash:
d3b3f8890adc840b0bd411cf304eef15d415ed48
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/56907694-1595-42e0-8410-06ac2deac6c4/
Parent samples :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 hash:
0b13a98ca0d9935307f65f8122faeabad8f5c308fb659283bbdb27673a814168
MD5 hash:
73fa107426b6533e3955b9d13356f7be
SHA1 hash:
0da038e29a405753f3a8b154b9db46e9b304059a
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/56907694-1595-42e0-8410-06ac2deac6c4/
SH256 hash:
bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc
MD5 hash:
99fd671a1d5101c655d52c507e055603
SHA1 hash:
69ba9186d4a0f9ef70da2da5a4620ddcc0fe2e0c
Link:
https://www.unpac.me/results/56907694-1595-42e0-8410-06ac2deac6c4/
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/bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc

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: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 bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc

(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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleWindowInfo
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleTitleA
KERNEL32.dll::GetConsoleAliasesLengthW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::MoveFileW
KERNEL32.dll::ReplaceFileA

Comments