MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c1d81eaf1a389d4dafc6ba71a3e3bfaa477a49b4d3591956cab660165648028. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 1c1d81eaf1a389d4dafc6ba71a3e3bfaa477a49b4d3591956cab660165648028
SHA3-384 hash: a18ed762323813469ad4dd12b8432ade68ccf7d36449e98906ad1d4ff740045f2a7e8a9697b66b61502184f7f95e70bd
SHA1 hash: 2cd2f35437e227bfdcc5d493c53aa33ea96ef6e8
MD5 hash: 805d475d63cb9e43dd2b2a4e51fef22e
humanhash: ink-avocado-mockingbird-arkansas
File name:805d475d63cb9e43dd2b2a4e51fef22e.exe
Download: download sample
Signature Smoke Loader
File size:252'928 bytes
First seen:2024-09-25 05:55:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bf272a5f1102af4d99dca15265e7dafb (1 x UACModuleSmokeLoader, 1 x Smoke Loader)
ssdeep 1536:6lkQFAhLLnr1SGehNq456Z9cNEiqv2XXCev6wKijpdsm1jwEHsPxm5tVe2tVaPcT:ItFAhLLnKXlKkzd1ZHsPA5u2zoYkPp0
TLSH T1F834281262E16C51DE2B4B324E2AE6A4EA5EBDD1CF7CA29D3244FE0F45731F1C162352
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 92716d4cfcc4d4d4 (15 x Smoke Loader, 1 x GCleaner)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
425
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
805d475d63cb9e43dd2b2a4e51fef22e.exe
Verdict:
Malicious activity
Analysis date:
2024-09-25 06:21:21 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Network Stealth Malware Hype Onli Remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Query of malicious DNS domain
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:
anti-vm azorult epmicrosoft_visual_cc fingerprint microsoft_visual_cc
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.
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
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
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
Performs DNS queries to domains with low reputation
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: 1517836 Sample: MxWl2JFzf6.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 21 wshcnsd.xyz 2->21 23 yosoborno.com 2->23 25 nusdhj.ws 2->25 29 Suricata IDS alerts for network traffic 2->29 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 37 7 other signatures 2->37 7 MxWl2JFzf6.exe 2->7         started        10 vtjubff 2->10         started        signatures3 35 Performs DNS queries to domains with low reputation 21->35 process4 signatures5 39 Detected unpacking (changes PE section rights) 7->39 41 Maps a DLL or memory area into another process 7->41 43 Checks if the current machine is a virtual machine (disk enumeration) 7->43 51 2 other signatures 7->51 12 explorer.exe 63 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 yosoborno.com 46.8.8.100, 49707, 49709, 53500 GRANSYGransysrohttpgransycomCZ Russian Federation 12->27 17 C:\Users\user\AppData\Roaming\vtjubff, PE32 12->17 dropped 19 C:\Users\user\...\vtjubff: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.SmokeLoader
Status:
Malicious
First seen:
2024-08-21 06:20:18 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
smokeloader shellcode_loader_002
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 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
Rule name:DebuggerHiding__Active
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 1c1d81eaf1a389d4dafc6ba71a3e3bfaa477a49b4d3591956cab660165648028

(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::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleSelectionInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::CreateServiceA

Comments