MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6
SHA3-384 hash: 3afe152497a98384a81da004db4442e7ff8e057eca5b380964f43fd11ed7cb128266b0c4c977ae4069dbf1b65fc930a5
SHA1 hash: c3e3c536032644ccd9adf76f3da506a6f1dd17bc
MD5 hash: 9c27f6c504605d7360b8377b2112de4e
humanhash: social-victor-pip-undress
File name:9c27f6c504605d7360b8377b2112de4e.exe
Download: download sample
Signature Smoke Loader
File size:373'760 bytes
First seen:2024-10-17 06:21:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8e6ac5a04c6d48e1f76509e2cb5b37f1 (1 x Smoke Loader)
ssdeep 6144:+BLkzpkuTSpdpzkPWadYdhNvJbzlWNjAh3W0JH:aMpZejpz9a+FXhJ
TLSH T1B584F151FB93D432D8A604304825D2E1A97EFC724254A68F73A47F6F3E30AD2A661773
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 92c2eebeb6be9ec0 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
388
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9c27f6c504605d7360b8377b2112de4e.exe
Verdict:
Malicious activity
Analysis date:
2024-10-17 06:27:30 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.1%
Tags:
phishing hype onli
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed smokeloader
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1535649 Sample: H3CVATCJSD.exe Startdate: 17/10/2024 Architecture: WINDOWS Score: 100 21 volisc.biz 2->21 23 tnc-corp.ru 2->23 25 5 other IPs or domains 2->25 31 Suricata IDS alerts for network traffic 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 6 other signatures 2->37 7 H3CVATCJSD.exe 2->7         started        10 fbjivcf 2->10         started        signatures3 process4 signatures5 39 Detected unpacking (changes PE section rights) 7->39 41 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->41 43 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->43 51 4 other signatures 7->51 12 explorer.exe 67 3 7->12 injected 45 Antivirus detection for dropped file 10->45 47 Multi AV Scanner detection for dropped file 10->47 49 Machine Learning detection for dropped file 10->49 process6 dnsIp7 27 187.199.203.72, 60489, 60490, 60491 UninetSAdeCVMX Mexico 12->27 29 tnc-corp.ru 211.181.24.132, 49850, 60485, 60486 LGDACOMLGDACOMCorporationKR Korea Republic of 12->29 17 C:\Users\user\AppData\Roaming\fbjivcf, PE32 12->17 dropped 19 C:\Users\user\...\fbjivcf:Zone.Identifier, ASCII 12->19 dropped 53 System process connects to network (likely due to code injection or exploit) 12->53 55 Benign windows process drops PE files 12->55 57 Deletes itself after installation 12->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->59 file8 signatures9
Threat name:
Win32.Trojan.AZORult
Status:
Malicious
First seen:
2024-10-17 02:39:21 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
shellcode_loader_002
Similar samples:
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6
MD5 hash:
9c27f6c504605d7360b8377b2112de4e
SHA1 hash:
c3e3c536032644ccd9adf76f3da506a6f1dd17bc
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6

(this sample)

  
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::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

Comments