MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e
SHA3-384 hash: 521217f7256064ef7136c550504f9dc8101091e0599a1dfa341fe2ed8f6030ed2daacd1040d295db3a88a2854c75ba3d
SHA1 hash: 53aa6a1e3ca6e956c33f2b217649977aa1bb7ac3
MD5 hash: 34e07317817ca03f5eb4566851fe0cf3
humanhash: wyoming-batman-mountain-green
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:405'504 bytes
First seen:2024-09-23 18:33:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 986c435e506f58d0c12bcc8ade90d975 (1 x Tofsee, 1 x Smoke Loader)
ssdeep 6144:nZyOrEyRLH0Gdi7xFUaxU/zhCISmlIVkBAUFNFfZnln5eOOl8:n4OrLRLH87xFUacMISmIknBnlQd8
TLSH T193848C4392E17C59EA664F72DE2E86F8772EB5508E78277E3218EA3F04B1171C172721
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 02030a120a021100 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/yuop/66f1b3d23ffe5_lyla1.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-23 18:48:58 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/b4e05907-92b0-4b4b-82a1-3d3b5122aa03

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f1b49d5346c7b922ad5260
Tags:
n/a
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
DNS request
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc exploit fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66f1b4a34a48170ff00d14c7/reports/2f2a5219-4311-4233-afd8-931b9552c7b7/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e
Result
Verdict:
SUSPICIOUS
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1769dca1-c440-4678-b6dc-15191a20bd0b
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1516139
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
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 windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
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)
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 Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516139 Sample: file.exe Startdate: 23/09/2024 Architecture: WINDOWS Score: 100 58 nwgrus.ru 2->58 60 calvinandhalls.com 2->60 62 globalviewsnature.com 2->62 76 Suricata IDS alerts for network traffic 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 6 other signatures 2->82 11 file.exe 2->11         started        14 hcgtrfi 2->14         started        16 dsgtrfi 2->16         started        18 msiexec.exe 2->18         started        signatures3 process4 signatures5 124 Detected unpacking (changes PE section rights) 11->124 126 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->126 128 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->128 130 Switches to a custom stack to bypass stack traces 11->130 20 explorer.exe 59 9 11->20 injected 132 Antivirus detection for dropped file 14->132 134 Multi AV Scanner detection for dropped file 14->134 136 Machine Learning detection for dropped file 14->136 138 Maps a DLL or memory area into another process 16->138 140 Checks if the current machine is a virtual machine (disk enumeration) 16->140 142 Creates a thread in another existing process (thread injection) 16->142 process6 dnsIp7 64 calvinandhalls.com 23.145.40.162, 443, 51394, 51395 SURFAIRWIRELESS-IN-01US Reserved 20->64 66 23.145.40.164, 443, 51385 SURFAIRWIRELESS-IN-01US Reserved 20->66 68 2 other IPs or domains 20->68 50 C:\Users\user\AppData\Roaming\hcgtrfi, PE32 20->50 dropped 52 C:\Users\user\AppData\Roaming\dsgtrfi, PE32 20->52 dropped 54 C:\Users\user\AppData\Local\Temp\5B99.exe, PE32 20->54 dropped 56 2 other malicious files 20->56 dropped 90 System process connects to network (likely due to code injection or exploit) 20->90 92 Benign windows process drops PE files 20->92 94 Injects code into the Windows Explorer (explorer.exe) 20->94 96 3 other signatures 20->96 25 33A6.exe 2 20->25         started        28 5B99.exe 20->28         started        30 explorer.exe 18 20->30         started        32 5 other processes 20->32 file8 signatures9 process10 signatures11 98 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->98 100 Machine Learning detection for dropped file 25->100 102 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 25->102 104 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 25->104 34 cmd.exe 1 25->34         started        106 Antivirus detection for dropped file 28->106 108 Detected unpacking (changes PE section rights) 28->108 110 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->110 122 5 other signatures 28->122 112 System process connects to network (likely due to code injection or exploit) 30->112 114 Found evasive API chain (may stop execution after checking mutex) 30->114 116 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->116 118 Tries to steal Mail credentials (via file / registry access) 30->118 120 Tries to harvest and steal browser information (history, passwords, etc) 32->120 process12 signatures13 70 Uses netsh to modify the Windows network and firewall settings 34->70 72 Uses ipconfig to lookup or modify the Windows network settings 34->72 74 Modifies the windows firewall 34->74 37 WMIC.exe 34->37         started        40 systeminfo.exe 34->40         started        42 net.exe 34->42         started        44 20 other processes 34->44 process14 signatures15 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 37->84 86 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 37->86 88 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 37->88 46 net1.exe 42->46         started        48 net1.exe 44->48         started        process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-23 18:34:05 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=apiacewhgqcm2kpu5mmrk5bxnnmauha46ocwbud6tcgm5iqany7a._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
shellcode_loader_002
Create hunting rule
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor discovery trojan
Link:
https://tria.ge/reports/240923-w7rfqazgra/
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/258695f7-a4f4-4a20-b592-057185582323
Unpacked files
SH256 hash:
fbc27669946a1374e80eabdbffe6cc9c68766ffc7bf187bbba24ada65405372f
MD5 hash:
d11c9c67d584d187cdc6004f872f7b48
SHA1 hash:
4e5fd00a3d3ca2ab3f685a88c7d04dd925a43dbe
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/b018fc7c-dc3d-42fd-9469-8617ae6cac3f/
Parent samples :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 hash:
03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e
MD5 hash:
34e07317817ca03f5eb4566851fe0cf3
SHA1 hash:
53aa6a1e3ca6e956c33f2b217649977aa1bb7ac3
Link:
https://www.unpac.me/results/b018fc7c-dc3d-42fd-9469-8617ae6cac3f/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/03d00112c734/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e

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
Create hunting rule
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 03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3187997/

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
WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleDisplayMode
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetFileAttributesA

Comments