MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54f9de0d5bb9d303388f1d7efb786c23173a278fbf9e0a58f54b1f4bd5e34966. 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: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: 54f9de0d5bb9d303388f1d7efb786c23173a278fbf9e0a58f54b1f4bd5e34966
SHA3-384 hash: 9fd8c714fda89b64858f9f968bf6b1b77e4f92336733b897867afdd22f0645edfaa98595b64a2f7d8650acf17f02a1e8
SHA1 hash: fb7169b34720d5d6edb9447e12ce5786f4d934e8
MD5 hash: f580f212b2db88ad496cf553d3a6b1c7
humanhash: four-blue-winner-whiskey
File name:f580f212b2db88ad496cf553d3a6b1c7.exe
Download: download sample
Signature Smoke Loader
File size:362'496 bytes
First seen:2022-01-04 14:39:30 UTC
Last seen:2022-01-04 17:06:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a11c9499d7d7700d41e1c4985c1ebc65 (1 x RaccoonStealer, 1 x ArkeiStealer, 1 x Smoke Loader)
ssdeep 6144:MG+myzxRsm3QBI/mFkjqwKHixSDYVexXB5m+6fwPr3lnV7:MG+max2OQBzuoHiYDQYB5m+P
Threatray 6'441 similar samples on MalwareBazaar
TLSH T1DD748D10BBA0C035F5B715F846B99368B63EBEE15B2451CB53D52AEE4A346E0EC3131B
File icon (PE):PE icon
dhash icon e8e8e8e8aa62a489 (8 x RaccoonStealer, 6 x RedLineStealer, 2 x Tofsee)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
367
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f580f212b2db88ad496cf553d3a6b1c7.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-04 15:00:55 UTC
Tags:
n/a

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

Behaviour
Creating a window
DNS request
Searching for synchronization primitives
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Moving a file to the Windows subdirectory
Launching the default Windows debugger (dwwin.exe)
Launching a process
Unauthorized injection to a recently created process
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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Result
Verdict:
UNKNOWN
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
Verdict:
Malicious
Result
Threat name:
RedLine SmokeLoader Tofsee Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to detect sleep reduction / modifications
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)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to download HTTP data from a sinkholed server
Tries to evade analysis by execution special instruction which cause usermode exception
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 547750 Sample: 55CfwpKq5T.exe Startdate: 04/01/2022 Architecture: WINDOWS Score: 100 94 patmushta.info 2->94 96 microsoft-com.mail.protection.outlook.com 2->96 98 host-data-coin-11.com 2->98 146 Tries to download HTTP data from a sinkholed server 2->146 148 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->148 150 Antivirus detection for URL or domain 2->150 152 15 other signatures 2->152 11 55CfwpKq5T.exe 2->11         started        14 picoyuji.exe 2->14         started        16 wvjdrrj 2->16         started        18 5 other processes 2->18 signatures3 process4 signatures5 164 Contains functionality to inject code into remote processes 11->164 166 Injects a PE file into a foreign processes 11->166 20 55CfwpKq5T.exe 11->20         started        168 Detected unpacking (changes PE section rights) 14->168 170 Detected unpacking (overwrites its own PE header) 14->170 172 Writes to foreign memory regions 14->172 174 Allocates memory in foreign processes 14->174 23 svchost.exe 14->23         started        176 Machine Learning detection for dropped file 16->176 26 wvjdrrj 16->26         started        178 Maps a DLL or memory area into another process 18->178 180 Checks if the current machine is a virtual machine (disk enumeration) 18->180 182 Creates a thread in another existing process (thread injection) 18->182 process6 dnsIp7 154 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->154 156 Maps a DLL or memory area into another process 20->156 158 Checks if the current machine is a virtual machine (disk enumeration) 20->158 28 explorer.exe 12 20->28 injected 110 patmushta.info 194.87.235.183, 443, 49834, 49904 MTW-ASRU Russian Federation 23->110 112 microsoft-com.mail.protection.outlook.com 40.93.207.1, 25, 49826 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->112 160 System process connects to network (likely due to code injection or exploit) 23->160 162 Creates a thread in another existing process (thread injection) 26->162 signatures8 process9 dnsIp10 114 host-data-coin-11.com 28->114 116 dumuilistrati.at 28->116 118 23 other IPs or domains 28->118 86 C:\Users\user\AppData\Roaming\wvjdrrj, PE32 28->86 dropped 88 C:\Users\user\AppData\Roaming\ejjdrrj, PE32 28->88 dropped 90 C:\Users\user\AppData\Local\Temp\F1D0.exe, PE32 28->90 dropped 92 7 other malicious files 28->92 dropped 184 System process connects to network (likely due to code injection or exploit) 28->184 186 Benign windows process drops PE files 28->186 188 Deletes itself after installation 28->188 190 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->190 33 2667.exe 2 28->33         started        37 5D3D.exe 28->37         started        40 4B6D.exe 28->40         started        42 4 other processes 28->42 file11 signatures12 process13 dnsIp14 76 C:\Users\user\AppData\Local\...\picoyuji.exe, PE32 33->76 dropped 120 Detected unpacking (changes PE section rights) 33->120 122 Detected unpacking (overwrites its own PE header) 33->122 124 Machine Learning detection for dropped file 33->124 138 2 other signatures 33->138 44 cmd.exe 33->44         started        47 cmd.exe 33->47         started        49 sc.exe 33->49         started        58 3 other processes 33->58 100 185.7.214.239, 49852, 49900, 80 DELUNETDE France 37->100 126 Multi AV Scanner detection for dropped file 37->126 128 Query firmware table information (likely to detect VMs) 37->128 130 Tries to detect sandboxes and other dynamic analysis tools (window names) 37->130 140 3 other signatures 37->140 132 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 40->132 134 Maps a DLL or memory area into another process 40->134 142 2 other signatures 40->142 102 91.219.236.18, 80 SERVERASTRA-ASHU Hungary 42->102 104 194.180.174.53, 80 MIVOCLOUDMD unknown 42->104 106 file-file-host4.com 42->106 78 C:\Users\user\AppData\Local\...\F1D0.exe.log, ASCII 42->78 dropped 80 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 42->80 dropped 82 C:\ProgramData\sqlite3.dll, PE32 42->82 dropped 136 Tries to harvest and steal browser information (history, passwords, etc) 42->136 144 3 other signatures 42->144 51 cmd.exe 42->51         started        53 F1D0.exe 42->53         started        56 310E.exe 42->56         started        file15 signatures16 process17 dnsIp18 84 C:\Windows\SysWOW64\...\picoyuji.exe (copy), PE32 44->84 dropped 60 conhost.exe 44->60         started        62 conhost.exe 47->62         started        64 conhost.exe 49->64         started        66 conhost.exe 51->66         started        68 timeout.exe 51->68         started        108 86.107.197.138, 38133, 49895 MOD-EUNL Romania 53->108 70 conhost.exe 58->70         started        72 conhost.exe 58->72         started        74 conhost.exe 58->74         started        file19 process20
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2022-01-04 14:40:10 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:arkei family:raccoon family:smokeloader family:tofsee family:xmrig botnet:10da56e7e71e97bdc1f36eb76813bbc3231de7e4 backdoor discovery evasion miner persistence spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets file to hidden
Sets service image path in registry
UPX packed file
Arkei Stealer Payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
Arkei
Process spawned unexpected child process
Raccoon
SmokeLoader
Tofsee
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
patmushta.info
parubey.info
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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 54f9de0d5bb9d303388f1d7efb786c23173a278fbf9e0a58f54b1f4bd5e34966

(this sample)

  
Delivery method
Distributed via web download

Comments