MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac144e9f1542dab21d48b0ae7ffb52230bef5583c546b6b9528cc5e8d8752e7c. 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 3 File information Comments

SHA256 hash: ac144e9f1542dab21d48b0ae7ffb52230bef5583c546b6b9528cc5e8d8752e7c
SHA3-384 hash: 4b3250170c20562e89624d4fe164918ce98466d872c43654501d87754ba9fb442911aae21a0aebc7436bdccbf0c0a5f3
SHA1 hash: c67ec0ceb29f4ddb5c7cc6b97e6a2b5bacfd7633
MD5 hash: c8cf12d0a1a80926c60071a2a22f8268
humanhash: green-sad-sad-aspen
File name:c8cf12d0a1a80926c60071a2a22f8268.exe
Download: download sample
Signature Smoke Loader
File size:454'144 bytes
First seen:2024-10-08 07:19:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cf2df69e8bb6acbf3b231da2c6f4bda2 (4 x Stealc, 1 x Smoke Loader)
ssdeep 6144:aTOLX6UHRWxXKNneVtVD/Gn9me6gd4w3sGz7A8gVy6BbO42T8:7r6UHoxaNneVtV5Ez8s4NO4O
TLSH T18EA4B00256F9AEA0F5F246328D2DF6E8A56DFC51EE58E757325CEB1F1B701A0C222311
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 0008081100480000 (1 x Stealc, 1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
309
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c8cf12d0a1a80926c60071a2a22f8268.exe
Verdict:
Malicious activity
Analysis date:
2024-10-08 07:30:14 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
Phishing Hype Onli
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
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:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 domain / URL
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)
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1528688 Sample: Lk9rbSoFqa.exe Startdate: 08/10/2024 Architecture: WINDOWS Score: 100 53 nwgrus.ru 2->53 55 ninjahallnews.com 2->55 57 2 other IPs or domains 2->57 71 Multi AV Scanner detection for domain / URL 2->71 73 Suricata IDS alerts for network traffic 2->73 75 Found malware configuration 2->75 77 8 other signatures 2->77 10 Lk9rbSoFqa.exe 2->10         started        13 ugbuecs 2->13         started        15 sfbuecs 2->15         started        17 msiexec.exe 2->17         started        signatures3 process4 signatures5 119 Detected unpacking (changes PE section rights) 10->119 121 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->121 123 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->123 125 Switches to a custom stack to bypass stack traces 10->125 19 explorer.exe 58 9 10->19 injected 127 Antivirus detection for dropped file 13->127 129 Multi AV Scanner detection for dropped file 13->129 131 Machine Learning detection for dropped file 13->131 133 Maps a DLL or memory area into another process 15->133 135 Checks if the current machine is a virtual machine (disk enumeration) 15->135 137 Creates a thread in another existing process (thread injection) 15->137 process6 dnsIp7 59 23.145.40.164, 443, 49760 SURFAIRWIRELESS-IN-01US Reserved 19->59 61 ninjahallnews.com 23.145.40.168, 443, 49868, 49894 SURFAIRWIRELESS-IN-01US Reserved 19->61 63 nwgrus.ru 63.143.98.185, 49736, 49737, 49738 DIG001JM Jamaica 19->63 45 C:\Users\user\AppData\Roaming\ugbuecs, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\sfbuecs, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp7A7.exe, PE32+ 19->49 dropped 51 2 other malicious files 19->51 dropped 85 System process connects to network (likely due to code injection or exploit) 19->85 87 Benign windows process drops PE files 19->87 89 Injects code into the Windows Explorer (explorer.exe) 19->89 91 3 other signatures 19->91 24 E7A7.exe 2 19->24         started        27 B2FF.exe 19->27         started        29 explorer.exe 18 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 93 Multi AV Scanner detection for dropped file 24->93 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->95 97 Machine Learning detection for dropped file 24->97 115 2 other signatures 24->115 33 cmd.exe 1 24->33         started        99 Detected unpacking (changes PE section rights) 27->99 101 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 27->101 103 Maps a DLL or memory area into another process 27->103 117 3 other signatures 27->117 105 System process connects to network (likely due to code injection or exploit) 29->105 107 Found evasive API chain (may stop execution after checking mutex) 29->107 109 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->109 111 Tries to steal Mail credentials (via file / registry access) 29->111 113 Tries to harvest and steal browser information (history, passwords, etc) 31->113 process12 signatures13 65 Uses netsh to modify the Windows network and firewall settings 33->65 67 Uses ipconfig to lookup or modify the Windows network settings 33->67 69 Modifies the windows firewall 33->69 36 WMIC.exe 1 33->36         started        39 systeminfo.exe 33->39         started        41 conhost.exe 33->41         started        43 17 other processes 33->43 process14 signatures15 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->79 81 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 36->81 83 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 36->83
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-10-08 07:20:06 UTC
File Type:
PE (Exe)
Extracted files:
68
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a9918c23a31211ab32fdd163e49fc5313007d652e0896f6b923711378b459509
MD5 hash:
422b7b725003f71a15519c67313e3eef
SHA1 hash:
808f558da78522edaf9cee4a83365049adee2f08
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
ac144e9f1542dab21d48b0ae7ffb52230bef5583c546b6b9528cc5e8d8752e7c
MD5 hash:
c8cf12d0a1a80926c60071a2a22f8268
SHA1 hash:
c67ec0ceb29f4ddb5c7cc6b97e6a2b5bacfd7633
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
Rule name:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

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 ac144e9f1542dab21d48b0ae7ffb52230bef5583c546b6b9528cc5e8d8752e7c

(this sample)

  
Delivery method
Distributed via web download

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpCheckPlatform
WINHTTP.dll::WinHttpOpen

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