MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6. 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 2 File information Comments

SHA256 hash: 27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6
SHA3-384 hash: 6986ac65fe3a999e2f40af8558673994cd18dbbf8744265d00b205a74115d8421f52ed40c6c38a5c1af4640152a86631
SHA1 hash: bf656e6f8310e25b44311b081cbd91eee8aa39be
MD5 hash: 971a605d8e1e95d6cd4a2ff764f581e8
humanhash: single-aspen-sweet-apart
File name:971a605d8e1e95d6cd4a2ff764f581e8.exe
Download: download sample
Signature Smoke Loader
File size:370'176 bytes
First seen:2024-10-17 06:21:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 490298ec3d59994d2a12f54c75b4c247 (3 x Smoke Loader, 1 x Stealc)
ssdeep 6144:oLmMBjNWyWnDeXgacbtY0AwdH4PR1bhNzTP:oVBdWDeQpFvdH2hJD
TLSH T11D74E1057941D431D8464971C838F7F46A7EBCB25A6899CF77A83B3F6D312C2A23A316
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 98c6eebeb6be8e80 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
385
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
971a605d8e1e95d6cd4a2ff764f581e8.exe
Verdict:
Malicious activity
Analysis date:
2024-10-17 06:25:59 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1535648 Sample: cmdkdOPiL0.exe Startdate: 17/10/2024 Architecture: WINDOWS Score: 100 21 volisc.biz 2->21 23 tnc-corp.ru 2->23 25 2 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 cmdkdOPiL0.exe 2->7         started        10 tvsbjbg 2->10         started        signatures3 process4 signatures5 39 Detected unpacking (changes PE section rights) 7->39 41 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->41 43 Maps a DLL or memory area into another process 7->43 51 3 other signatures 7->51 12 explorer.exe 61 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 tnc-corp.ru 187.199.203.72, 49840, 52594, 52595 UninetSAdeCVMX Mexico 12->27 29 211.181.24.132, 52599, 55970, 55971 LGDACOMLGDACOMCorporationKR Korea Republic of 12->29 17 C:\Users\user\AppData\Roaming\tvsbjbg, PE32 12->17 dropped 19 C:\Users\user\...\tvsbjbg: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 06:22:06 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
smokeloader shellcode_loader_002
Similar samples:
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 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
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 27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6

(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_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::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
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::GetTempFileNameA
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

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