MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd52851f3a6fd6331b2165fb4cfab37d73bc0b39edb5f2ef3233864061f1d8aa. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd52851f3a6fd6331b2165fb4cfab37d73bc0b39edb5f2ef3233864061f1d8aa
SHA3-384 hash: bfe8b44f07373d076594234b91b7058b23117b9108c8f735241c30a0a90accdff3019540c0ec3a685987cea3d98d0e2f
SHA1 hash: 234a74f2dd29ee90be537bdf41baa95be941fd84
MD5 hash: 17f5432657b4f46226fe02f7d0833efb
humanhash: maryland-tennis-red-charlie
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:183'296 bytes
First seen:2023-11-02 01:22:54 UTC
Last seen:2023-11-02 04:39:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:bd+i/ToOl+8E7gQwPVWd7+zHGZ6HJVCEesuU5OqBSHyYTkJjQCEv:RDcCdrg7+bRHJ/CUoqYIJjQC
Threatray 11 similar samples on MalwareBazaar
TLSH T1E204CE01E2F4772AD1FA97FE5DA0D1D0933235576417D369CE85A1DA3428BE38AC0A3B
TrID 35.4% (.EXE) Win64 Executable (generic) (10523/12/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4505/5/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter andretavare5
Tags:exe Smoke Loader


Avatar
andretavare5
Sample downloaded from http://171.22.28.221/files/Random.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
344
Origin country :
US US
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-11-02 01:34:21 UTC
Tags:
loader stealer arkei vidar privateloader evasion opendir risepro stealc redline ransomware stop smoke sinkhole
Link:
https://app.any.run/tasks/a5a21a3f-99ef-4dde-af46-0e5b06541c53

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457729/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2509.15041.18373.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a process from a recently created file
Creating a file in the %temp% directory
Running batch commands
Launching the process to interact with network services
Blocking the User Account Control
Forced shutdown of a system process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6542f9f9390b22a61e547b51/reports/96132c66-b5e9-4fd1-9bac-5fce8536fe1f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fd52851f3a6fd6331b2165fb4cfab37d73bc0b39edb5f2ef3233864061f1d8aa
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.
Malware family:
Upgdsed
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c486ef8-0e35-4608-bc75-9cbcf46d56fd
Result
Threat name:
Glupteba, SmokeLoader, Vidar, zgRAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335791
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables UAC (registry)
Drops script or batch files to the startup folder
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
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
Modifies the hosts file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected SmokeLoader
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1335791 Sample: file.exe Startdate: 02/11/2023 Architecture: WINDOWS Score: 100 112 Multi AV Scanner detection for domain / URL 2->112 114 Found malware configuration 2->114 116 Malicious sample detected (through community Yara rule) 2->116 118 19 other signatures 2->118 10 file.exe 2 4 2->10         started        13 svchost.exe 1 1 2->13         started        16 powershell.exe 2->16         started        18 cmd.exe 2->18         started        process3 dnsIp4 146 Adds a directory exclusion to Windows Defender 10->146 148 Disables UAC (registry) 10->148 20 CasPol.exe 15 502 10->20         started        25 powershell.exe 22 10->25         started        108 23.36.118.84 AKAMAI-ASUS United States 13->108 110 127.0.0.1 unknown unknown 13->110 27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        signatures5 process6 dnsIp7 102 80.66.64.20 VAD-SRL-AS1MD Russian Federation 20->102 104 107.167.110.211 OPERASOFTWAREUS United States 20->104 106 22 other IPs or domains 20->106 64 C:\Users\...\zmViip0Ijn5ijtn9Qc0W8Md8.exe, PE32 20->64 dropped 66 C:\Users\...\yYma5VBqPTHZKmcLcb83NyqH.exe, PE32 20->66 dropped 68 C:\Users\...\w0DwihzKsN0emBCA3j4t3S4D.exe, PE32 20->68 dropped 70 292 other malicious files 20->70 dropped 140 Drops script or batch files to the startup folder 20->140 142 Creates HTML files with .exe extension (expired dropper behavior) 20->142 144 Writes many files with high entropy 20->144 31 eO9lNIngWRLKn3xeusogfhHu.exe 20->31         started        34 Ylonx8etcJYWCW1LLdcg7LNP.exe 20->34         started        38 06wSQH3HccjEk2UsiSehxCtD.exe 20->38         started        42 23 other processes 20->42 40 conhost.exe 25->40         started        file8 signatures9 process10 dnsIp11 80 C:\Users\user\AppData\Local\...\is-1SJES.tmp, PE32 31->80 dropped 44 is-1SJES.tmp 31->44         started        98 149.154.167.99 TELEGRAMRU United Kingdom 34->98 100 116.202.182.32 HETZNER-ASDE Germany 34->100 82 C:\ProgramData\softokn3.dll, PE32 34->82 dropped 84 C:\ProgramData\nss3.dll, PE32 34->84 dropped 86 C:\ProgramData\mozglue.dll, PE32 34->86 dropped 96 3 other files (1 malicious) 34->96 dropped 120 Detected unpacking (changes PE section rights) 34->120 122 Detected unpacking (overwrites its own PE header) 34->122 124 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->124 136 2 other signatures 34->136 126 Contains functionality to inject code into remote processes 38->126 128 Injects a PE file into a foreign processes 38->128 47 06wSQH3HccjEk2UsiSehxCtD.exe 38->47         started        88 C:\Users\user\AppData\Local\...\is-V9U8V.tmp, PE32 42->88 dropped 90 C:\Users\user\AppData\Local\Temp\Broom.exe, PE32 42->90 dropped 92 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 42->92 dropped 94 C:\Windows\System32\drivers\etc\hosts, ASCII 42->94 dropped 130 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 42->130 132 Writes to foreign memory regions 42->132 134 Modifies the hosts file 42->134 138 2 other signatures 42->138 50 61fPe1awmGTfO3TN0kHU5kLK.exe 42->50         started        52 Broom.exe 42->52         started        54 URbCFcHsyA536quEwLug6dkc.exe 42->54         started        56 Ofo2CNFTXYy5PFsmigNoAiWq.exe 42->56         started        file12 signatures13 process14 file15 72 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 44->72 dropped 74 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 44->74 dropped 76 C:\Program Files (x86)\...\is-LTFMJ.tmp, PE32 44->76 dropped 78 27 other files (26 malicious) 44->78 dropped 58 net.exe 44->58         started        150 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 47->150 152 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 47->152 154 Maps a DLL or memory area into another process 47->154 156 2 other signatures 47->156 60 explorer.exe 47->60 injected signatures16 process17 process18 62 conhost.exe 58->62         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fd52851f3a6fd6331b2165fb4cfab37d73bc0b39edb5f2ef3233864061f1d8aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fd52851f3a6fd6331b2165fb4cfab37d73bc0b39edb5f2ef3233864061f1d8aa/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-02 01:23:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7vjikhz2n7ldggzbmx5uz6vtpvz3yczz5w27f3zsgodeaypr3cva._file
Verdict:
unknown
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3b53dbee126f2235840037166b1de668f7751186eb86f85d19df151c278ffa31
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69b893ef6bcb3a609339321a763b2044962b5330856c73a38a9651905cccd836
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a816a372413952d3ebe742e2a5be2d7f317cccd7209f1fee4ca08acff843c8c6
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e440d655409d87441f77dbd53b984167edc84424b04722d8f1086bef238e086f
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ef6249a3f7b21f60e30397f6030e09e575458ac3f8409458bf4b17f1eaf23cb4
Smoke Loader
+ 1 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:privateloader family:smokeloader family:vidar family:zgrat botnet:5e20b33e3d8625d93a20740025c5d713 botnet:pub1 backdoor dropper evasion loader rat stealer trojan upx
Link:
https://tria.ge/reports/231102-brszdsgf95/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Delays execution with timeout.exe
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
UPX packed file
Windows security modification
Drops file in Drivers directory
Modifies Windows Firewall
Stops running service(s)
Downloads MZ/PE file
Detect ZGRat V1
Glupteba
Glupteba payload
PrivateLoader
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Vidar
Windows security bypass
ZGRat
Malware Config
C2 Extraction:
http://host-file-host6.com/
http://host-host-file8.com/
https://steamcommunity.com/profiles/76561199566884947
https://t.me/octobrains
Unpacked files
SH256 hash:
fd52851f3a6fd6331b2165fb4cfab37d73bc0b39edb5f2ef3233864061f1d8aa
MD5 hash:
17f5432657b4f46226fe02f7d0833efb
SHA1 hash:
234a74f2dd29ee90be537bdf41baa95be941fd84
Link:
https://www.unpac.me/results/0b2bc32f-db6b-41f1-864e-fba1582da8a8/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fd52851f3a6f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.88
Link:
https://yomi.yoroi.company/submissions/fd52851f3a6fd6331b2165fb4cfab37d73bc0b39edb5f2ef3233864061f1d8aa

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2721958/
Cape
Cape
https://www.capesandbox.com/analysis/457729/

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