MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5a259c2d8f0eb4dde69a6d7131f86c36df3f5d75989f1c6888881cdf7bb6299. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: a5a259c2d8f0eb4dde69a6d7131f86c36df3f5d75989f1c6888881cdf7bb6299
SHA3-384 hash: 987b5040b3a01297356e262d3f8e16c7b7ab6209270e5be27ccddfd1c2f0c62dbf408361fdaf61101beda6d75296a12e
SHA1 hash: eb3335b026449f35b5a35220e31d64914faffcd1
MD5 hash: 400430fea124268ddd11ef5e3996e83e
humanhash: batman-mobile-hawaii-xray
File name:file
Download: download sample
Signature Smoke Loader
File size:774'479 bytes
First seen:2023-02-10 19:40:11 UTC
Last seen:2023-02-13 15:07:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'511 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 12288:VQi3dMQv6m6URA3Phufp1hf39Wkv8xwJZ3Ep:VQiWQChhcpdUMZ0p
Threatray 492 similar samples on MalwareBazaar
TLSH T1B3F4245A6D0582EEC010063C487DD2335BF26E983AB394223DE87E4FFBBF161651169E
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 80c4e0f2f42c1402 (5 x AgentTesla, 4 x Loki, 2 x Formbook)
Reporter andretavare5
Tags:exe Smoke Loader


Avatar
andretavare5
Sample downloaded from https://s3.eu-central-1.wasabisys.com/loukfitness/yountamindi1.exe

Intelligence


File Origin
# of uploads :
43
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-10 19:40:57 UTC
Tags:
installer evasion loader sinkhole trojan stealer smoke

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

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a process with a hidden window
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP POST request
Creating a file in the Program Files subdirectories
Creating a file
Searching for synchronization primitives
Adding an access-denied ACE
Launching a process
Searching for the browser window
Using the Windows Management Instrumentation requests
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Setting a single autorun event
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
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:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates HTML files with .exe extension (expired dropper behavior)
Detected VMProtect packer
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Performs DNS queries to domains with low reputation
Snort IDS alert for network traffic
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 804258 Sample: file.exe Startdate: 10/02/2023 Architecture: WINDOWS Score: 100 88 clk.tradedoubler.com 2->88 90 free3dgame.xyz 2->90 92 54 other IPs or domains 2->92 126 Snort IDS alert for network traffic 2->126 128 Antivirus detection for URL or domain 2->128 130 Antivirus detection for dropped file 2->130 134 9 other signatures 2->134 11 file.exe 2 2->11         started        15 ZHaevaqypuji.exe 2->15         started        18 ZHaevaqypuji.exe 2->18         started        signatures3 132 Performs DNS queries to domains with low reputation 88->132 process4 dnsIp5 86 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 11->86 dropped 140 Obfuscated command line found 11->140 20 file.tmp 3 19 11->20         started        120 s3.pl-waw.scw.cloud 151.115.10.1, 443, 49717, 49718 OnlineSASFR United Kingdom 15->120 122 uchiha.s3.pl-waw.scw.cloud 15->122 124 2 other IPs or domains 15->124 file6 signatures7 process8 dnsIp9 94 130.117.252.24, 49691, 80 BLUEARCHIVE-ZONE-1US United States 20->94 96 s3.eu-central-1.wasabisys.com 20->96 70 C:\Users\user\AppData\Local\...\l3ou9.exe, PE32 20->70 dropped 72 C:\Users\user\AppData\Local\Temp\...\idp.dll, PE32 20->72 dropped 74 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 20->74 dropped 76 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 20->76 dropped 24 l3ou9.exe 22 18 20->24         started        file10 process11 dnsIp12 100 connectini.net 37.230.138.123, 443, 49692, 49706 ROCKETTELECOM-ASRU Russian Federation 24->100 102 360devtracking.com 37.230.138.66, 49705, 49740, 80 ROCKETTELECOM-ASRU Russian Federation 24->102 104 5 other IPs or domains 24->104 78 C:\Users\user\AppData\...\Raecemutoxu.exe, PE32 24->78 dropped 80 C:\Users\user\AppData\...\Raecemutoxu.exe, PE32 24->80 dropped 82 C:\Program Files (x86)\...\ZHaevaqypuji.exe, PE32 24->82 dropped 84 3 other malicious files 24->84 dropped 136 Machine Learning detection for dropped file 24->136 138 Creates autostart registry keys with suspicious values (likely registry only malware) 24->138 29 Raecemutoxu.exe 14 17 24->29         started        33 Raecemutoxu.exe 4 24->33         started        file13 signatures14 process15 dnsIp16 106 www.google.com 142.250.184.100, 443, 49707, 49880 GOOGLEUS United States 29->106 108 connectini.net 29->108 142 Antivirus detection for dropped file 29->142 144 Machine Learning detection for dropped file 29->144 36 chrome.exe 29->36         started        39 chrome.exe 29->39         started        41 chrome.exe 29->41         started        43 41 other processes 29->43 110 google.com 142.251.209.14 GOOGLEUS United States 33->110 112 connectini.net 33->112 62 C:\Users\user\AppData\Local\...\gcleaner.exe, PE32 33->62 dropped 64 C:\Users\user\AppData\Local\...\pb1117.exe, PE32+ 33->64 dropped 66 C:\Users\user\AppData\...\ChromeSetup.exe, PE32 33->66 dropped 68 C:\Users\user\AppData\Local\...\chenp.exe, PE32 33->68 dropped 146 Creates HTML files with .exe extension (expired dropper behavior) 33->146 file17 signatures18 process19 dnsIp20 98 192.168.2.1 unknown unknown 36->98 45 chrome.exe 36->45         started        48 chrome.exe 36->48         started        50 chrome.exe 39->50         started        52 chrome.exe 41->52         started        54 chrome.exe 43->54         started        56 chrome.exe 43->56         started        58 chrome.exe 43->58         started        60 10 other processes 43->60 process21 dnsIp22 114 www.profitabletrustednetwork.com 173.233.137.60, 443, 49715 SERVERS-COMUS United States 45->114 116 vexacion.com 139.45.197.236, 49711, 49721, 49722 RETN-ASEU Netherlands 45->116 118 5 other IPs or domains 45->118
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-10 19:41:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:gcleaner family:smokeloader backdoor evasion loader persistence trojan vmprotect
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Kills process with taskkill
Modifies Internet Explorer settings
Modifies registry class
Modifies system certificate store
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
VMProtect packed file
Downloads MZ/PE file
Drops file in Drivers directory
Checks for common network interception software
Detects Smokeloader packer
GCleaner
Process spawned unexpected child process
SmokeLoader
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
e427f8ef21691e3d8c2313d11129ad08ddef69a158eca2f77c170603478ff0c4
MD5 hash:
0dedd909aae9aa0a89b4422106310e9e
SHA1 hash:
271d36afa5b729ee590cf8066166ca5e9c9d0340
SH256 hash:
ce130ffb03a4d60f46c345cdf7421e10f7f6cf66e05899ff14d416eb9bd74718
MD5 hash:
ba7a8b47138f127ff6640d8908d2ac66
SHA1 hash:
8d666c22b36dc1e0b93b54b3d9b577bd3403e952
SH256 hash:
a5a259c2d8f0eb4dde69a6d7131f86c36df3f5d75989f1c6888881cdf7bb6299
MD5 hash:
400430fea124268ddd11ef5e3996e83e
SHA1 hash:
eb3335b026449f35b5a35220e31d64914faffcd1
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_Chebka
Author:ditekSHen
Description:Detects Chebka
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_XORed_MSDOS_Stub_Message
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
Rule name:Windows_Trojan_Generic_a681f24a
Author:Elastic Security

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

Comments