MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecfe89307878026257826ff9a3f994d0219099355bc019de45b85cda770d925d. 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 1 File information Comments

SHA256 hash: ecfe89307878026257826ff9a3f994d0219099355bc019de45b85cda770d925d
SHA3-384 hash: b5807565c245edad88365abde9e550c141fc93fb3facec97166e6301455e1a8c35334157b9dba07a53d936aa1b396e3a
SHA1 hash: 0b71dcb0f98250ade72691b8503d01f7e33e468b
MD5 hash: 860d926352801d6a36bc26c027ca6dcb
humanhash: snake-high-failed-solar
File name:860d926352801d6a36bc26c027ca6dcb.exe
Download: download sample
Signature Smoke Loader
File size:217'600 bytes
First seen:2024-01-05 16:26:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 39416dc2f5874b8e4c313ecac4cc6b7a (1 x Smoke Loader)
ssdeep 3072:FfULIw/0KK/A8vohmH6saXQHpimE/sjiINkZI1qqwU:FfULnaXohmHUXmpixDl
Threatray 1'688 similar samples on MalwareBazaar
TLSH T1D6242A9392E13C84E6278F73DE2ECAE87A1EF5608F497779161C4A1F04B51B2C163B52
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 183460c0c484c000 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ecfe89307878026257826ff9a3f994d0219099355bc019de45b85cda770d925d.exe
Verdict:
Malicious activity
Analysis date:
2024-01-05 16:49:36 UTC
Tags:
loader smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
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:
LummaC, BazaLoader, LummaC Stealer, Smok
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to detect sleep reduction / modifications
Creates a thread in another existing process (thread injection)
Delayed program exit found
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Downloads files with wrong headers with respect to MIME Content-Type
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Drops PE files with benign system names
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
LummaC encrypted strings found
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
Potentially malicious time measurement code found
Query firmware table information (likely to detect VMs)
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected BazaLoader
Yara detected LummaC Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1370467 Sample: 4vn02kPJVZ.exe Startdate: 05/01/2024 Architecture: WINDOWS Score: 100 89 gxutc2c.com 2->89 91 carstirgapcheatdeposwte.pw 2->91 93 a0897335.xsph.ru 2->93 109 Snort IDS alert for network traffic 2->109 111 Found malware configuration 2->111 113 Malicious sample detected (through community Yara rule) 2->113 115 18 other signatures 2->115 13 4vn02kPJVZ.exe 2->13         started        16 gbfsfdg 2->16         started        18 gbfsfdg 2->18         started        signatures3 process4 signatures5 153 Detected unpacking (changes PE section rights) 13->153 155 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->155 157 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->157 165 3 other signatures 13->165 20 explorer.exe 4 7 13->20 injected 159 Antivirus detection for dropped file 16->159 161 Multi AV Scanner detection for dropped file 16->161 163 Machine Learning detection for dropped file 16->163 process6 dnsIp7 97 gxutc2c.com 211.53.230.67, 49708, 49709, 49710 LGDACOMLGDACOMCorporationKR Korea Republic of 20->97 99 a0897335.xsph.ru 141.8.195.33, 49730, 80 SPRINTHOSTRU Russian Federation 20->99 101 45.82.13.158, 49726, 49728, 49732 SIRINFO-ASIT Russian Federation 20->101 71 C:\Users\user\AppData\Roaming\gbfsfdg, PE32 20->71 dropped 73 C:\Users\user\AppData\Local\TempD97.exe, PE32+ 20->73 dropped 75 C:\Users\user\AppData\Local\Temp\A0DD.exe, PE32+ 20->75 dropped 77 C:\Users\user\...\gbfsfdg:Zone.Identifier, ASCII 20->77 dropped 125 Benign windows process drops PE files 20->125 127 Deletes itself after installation 20->127 129 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->129 25 A0DD.exe 42 20->25         started        29 ED97.exe 2 20->29         started        file8 signatures9 process10 file11 81 C:\Windows \System32\WINMM.dll, PE32+ 25->81 dropped 83 C:\Windows \System32\winSAT.exe, PE32+ 25->83 dropped 137 Multi AV Scanner detection for dropped file 25->137 139 Detected unpacking (overwrites its own PE header) 25->139 141 Machine Learning detection for dropped file 25->141 149 5 other signatures 25->149 31 winSAT.exe 1 25->31         started        33 winSAT.exe 25->33         started        85 C:\Users\user\cwgMRtBcEqXrdsG.pdf, PE32 29->85 dropped 87 C:\Users\user\DEMBRzqwQrUlwdR.pdf, PE32 29->87 dropped 143 Drops PE files to the user root directory 29->143 145 Writes to foreign memory regions 29->145 147 Allocates memory in foreign processes 29->147 151 3 other signatures 29->151 35 Au3Check.exe 29->35         started        signatures12 process13 dnsIp14 39 A0DD.exe 73 31->39         started        43 conhost.exe 31->43         started        95 carstirgapcheatdeposwte.pw 172.67.142.124, 443, 49734, 49735 CLOUDFLARENETUS United States 35->95 117 Query firmware table information (likely to detect VMs) 35->117 119 Found many strings related to Crypto-Wallets (likely being stolen) 35->119 121 Tries to harvest and steal browser information (history, passwords, etc) 35->121 123 Tries to steal Crypto Currency Wallets 35->123 signatures15 process16 file17 79 C:\Windows\System\svchost.exe, PE32+ 39->79 dropped 131 Found Tor onion address 39->131 133 Drops executables to the windows directory (C:\Windows) and starts them 39->133 135 Adds a directory exclusion to Windows Defender 39->135 45 svchost.exe 39->45         started        49 powershell.exe 23 39->49         started        51 powershell.exe 23 39->51         started        53 2 other processes 39->53 signatures18 process19 dnsIp20 103 217.62.142.157, 10967 TNF-ASNL Netherlands 45->103 105 185.225.69.59, 443, 49758, 49763 NET23-ASHU Hungary 45->105 107 2 other IPs or domains 45->107 167 Multi AV Scanner detection for dropped file 45->167 169 Detected unpacking (overwrites its own PE header) 45->169 171 Machine Learning detection for dropped file 45->171 173 3 other signatures 45->173 55 powershell.exe 45->55         started        57 powershell.exe 45->57         started        59 conhost.exe 49->59         started        61 conhost.exe 51->61         started        63 conhost.exe 53->63         started        65 conhost.exe 53->65         started        signatures21 process22 process23 67 conhost.exe 55->67         started        69 conhost.exe 57->69         started       
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-01-03 18:39:43 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
Executes dropped EXE
Downloads MZ/PE file
SmokeLoader
Malware Config
C2 Extraction:
http://gxutc2c.com/tmp/index.php
http://proekt8.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://pirateking.online/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Unpacked files
SH256 hash:
383d07797727802747eeefbc189944bc8438460e492752063d4b899659264e54
MD5 hash:
9bcde9dfa26981ec609bf45b3494e78a
SHA1 hash:
23d424a8dbd67eb4337500271eab6d125ce98702
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
ecfe89307878026257826ff9a3f994d0219099355bc019de45b85cda770d925d
MD5 hash:
860d926352801d6a36bc26c027ca6dcb
SHA1 hash:
0b71dcb0f98250ade72691b8503d01f7e33e468b
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 ecfe89307878026257826ff9a3f994d0219099355bc019de45b85cda770d925d

(this sample)

  
Delivery method
Distributed via web download

Comments