MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031. 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: 19


Intelligence 19 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
SHA3-384 hash: 5384c09c75e411383d63a56bfbc3f0690e1c26dc1f8f39a9d4fabe5345209c90f60d53ad15bdef48e6a98e8e022afa32
SHA1 hash: 8215ee2aed65897764ce557e4472092c6fb76636
MD5 hash: bf87a376305099cac2ea13ff482ba319
humanhash: alanine-undress-sink-aspen
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:456'704 bytes
First seen:2024-09-21 20:47:29 UTC
Last seen:2024-09-21 21:42:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash de80f36f2a6fc0a853a31d1d9771ee6a (3 x Stealc, 1 x Smoke Loader, 1 x GCleaner)
ssdeep 6144:coZe1DyEeam8WeaxWQnNpfpFkBSGKh9PXKyo9lDGLDlq5FXCnFk:cowByEeam8KxWUv0Srh9qQLRMSC
Threatray 2'568 similar samples on MalwareBazaar
TLSH T14BA4AF6382B1BD54F9624F728E1ED6E9365FF5308E1977A61218EA2F24703F1D163B20
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 08090a1454092000 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/yuop/66ef3064a18c2_setup3.exe#lyla

Intelligence

File Origin
# of uploads :
2
# of downloads :
463
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-21 20:49:49 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/dbd493a2-bbd5-46d5-8ea7-29025fe4834c

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:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ef31041db25d66857c8814
Tags:
Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66ef31043c9389b729baad8b/reports/11459e56-148f-484e-a3a1-f3a48484cc7c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
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/0f59ac15-c57c-43c0-b38b-cb25e6d6233a
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1515178
Signature
AI detected suspicious sample
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: 1515178 Sample: file.exe Startdate: 21/09/2024 Architecture: WINDOWS Score: 100 53 nwgrus.ru 2->53 55 calvinandhalls.com 2->55 57 bg.microsoft.map.fastly.net 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 5 other signatures 2->77 10 file.exe 2->10         started        13 icfcfbr 2->13         started        15 tafcfbr 2->15         started        17 2 other processes 2->17 signatures3 process4 signatures5 119 Detected unpacking (changes PE section rights) 10->119 121 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->121 123 Maps a DLL or memory area into another process 10->123 19 explorer.exe 66 9 10->19 injected 125 Multi AV Scanner detection for dropped file 13->125 127 Machine Learning detection for dropped file 13->127 129 Checks if the current machine is a virtual machine (disk enumeration) 13->129 131 Creates a thread in another existing process (thread injection) 15->131 133 Switches to a custom stack to bypass stack traces 15->133 process6 dnsIp7 59 187.204.94.209, 49773, 80 UninetSAdeCVMX Mexico 19->59 61 calvinandhalls.com 23.145.40.162, 443, 49753, 49754 SURFAIRWIRELESS-IN-01US Reserved 19->61 63 3 other IPs or domains 19->63 45 C:\Users\user\AppData\Roaming\tafcfbr, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\icfcfbr, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\5DE.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 2D91.exe 2 19->24         started        27 5DE.exe 19->27         started        29 explorer.exe 20 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->93 95 Machine Learning detection for dropped file 24->95 97 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 24->97 99 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 24->99 33 cmd.exe 1 24->33         started        101 Multi AV Scanner detection for dropped file 27->101 103 Detected unpacking (changes PE section rights) 27->103 105 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 27->105 117 5 other signatures 27->117 107 System process connects to network (likely due to code injection or exploit) 29->107 109 Found evasive API chain (may stop execution after checking mutex) 29->109 111 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->111 113 Tries to steal Mail credentials (via file / registry access) 29->113 115 Tries to harvest and steal browser information (history, passwords, etc) 31->115 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 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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-21 20:48:05 UTC
File Type:
PE (Exe)
Extracted files:
95
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ricjkgumodddtb55exsgfkmolcpdniwi6xhcqfxz4wqjazuh6ayq._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
shellcode_loader_002
Create hunting rule
Similar samples:
083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b
Smoke Loader
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593
Smoke Loader
4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
Smoke Loader
7c7cded8d1c0784881859ed03340d81c24ea9bf5d9972963cedf0e40b9856a0c
Smoke Loader
8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
Smoke Loader
91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a
Smoke Loader
b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9
Smoke Loader
f79fad860397942a2d808e1d2b5601f7d3b2af5057195507b782d797be07f301
Smoke Loader
+ 2'558 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor discovery trojan
Link:
https://tria.ge/reports/240921-zlerkssgnh/
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/f63f346f-6c1c-4e77-896a-d6c8af3b7cba
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/f66e6b44-2c18-4c91-95aa-a86fc1056527/
Parent samples :
aff8d33bae045722ffed6e567006c6be52cc55ad1fc79b78ea2f52d55156e30e
dc06fd3eb04a603543131d5e55cf24eecd08ff6eded42a9cc12370dd7ef27c69
a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b
72b1c8d702a136aba2c60a9da4cf3df39282ee3e30f710a3d59e2277d4e7c0c5
0c50705ed7cfc68f11aecd4cee0b808934d4957672ac0ea0615e9a1c31870a52
8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
338e2378b54f3a94828bc23452f0b6e7bd7f69bc2fb13c618e727feafe61d1ee
c27e2d17cf286c37d3691b278c530c70911950db0c7bbc4e57523ecf325f1547
03d00112c73404cd29f4eb191574376b580a1c1cf38560d07e988ccea2006e3e
7f806d99614eef56bddc324cd0c71cff674d7c1694bfbe03d9ea72f2f3d9d08d
07439f8a2adbe031b3b1f4bca85a8f8e99dfac6499ec6f9261d3c01d7a744bb6
0989916204259770d65679bdb4f7dd28f4cc04d74128812a1fec111e13448fe6
c74bf29a2d3b5c38f824eb82a5c0fde0448d7194c36250e5b2b8ec9663b27526
fde9a151f01aaa4bd10355337c8146e28c0716f10a4bdd70718f007f321827fe
1048b6aba5a804ab3ed6aa22950cb76b446ea306eeff4ae2012d197a2178dd8e
8484619768f32fb9368cc46bc15a16cf99c98e95a2a605068adf5dd71090e0c7
2b727f4b529097748b5c49720bb42da02efb7758bf6870acfd4404c24b60840b
422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b
SH256 hash:
8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
MD5 hash:
bf87a376305099cac2ea13ff482ba319
SHA1 hash:
8215ee2aed65897764ce557e4472092c6fb76636
Link:
https://www.unpac.me/results/f66e6b44-2c18-4c91-95aa-a86fc1056527/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a04951a8c70/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/8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031

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 8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3185131/

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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
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::GetConsoleDisplayMode
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::SetVolumeMountPointW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect

Comments