MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b
SHA3-384 hash: 565adf15e2fff6dd86e8c187e3954897926efd6866d2dd436e4fdfc7d6c6ed4dd4462a95aa3425f5ae6185eeb385272f
SHA1 hash: a34d2eca33a11ee443675788174220984963be47
MD5 hash: 55cf0ba0a65d11eee638b11ba9e2f3a1
humanhash: mars-juliet-crazy-xray
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:276'992 bytes
First seen:2024-09-20 05:52:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 827297e739d4dc45bd5e6431a2540fd7 (1 x Smoke Loader, 1 x Stealc)
ssdeep 6144:tDN0YXMIebj1xc/2K1OIoZ8yruBSXMPoiHzWZVfPybyX86EsUY:t+/IebS2sOZZ8yruBSXMPohPyi8j
Threatray 2'560 similar samples on MalwareBazaar
TLSH T19A44F01176E2DC26E2E3643C5877D2B55A3BFD536D30948B37902F1F2E32A909A64323
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 1a72c2db98585c0c (9 x Stealc, 6 x Tofsee, 5 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://147.45.44.104/revada/66ed0c1bc99a0_setup333.exe#lyla

Intelligence

File Origin
# of uploads :
1
# of downloads :
506
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 05:54:40 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/b01bccda-0163-4ecc-bda4-cff528e8f2bc

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=66ed0dc01db25d66857c550f
Tags:
Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
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/66ed0dbfd2758b8668bade0c/reports/d47b7543-9365-4801-bb47-41351c86fefb/overview
Verdict:
Malicious
Labled as:
Cerbu.Generic
Link:
https://www.hybrid-analysis.com/sample/a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24bf6908-a94b-447e-b07a-c1bb594d5815
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1514341
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: 1514341 Sample: file.exe Startdate: 20/09/2024 Architecture: WINDOWS Score: 100 59 nwgrus.ru 2->59 61 globalviewsnature.com 2->61 63 calvinandhalls.com 2->63 73 Suricata IDS alerts for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 6 other signatures 2->79 11 file.exe 2->11         started        14 jjgghaw 2->14         started        16 asgghaw 2->16         started        18 msiexec.exe 2->18         started        signatures3 process4 signatures5 127 Detected unpacking (changes PE section rights) 11->127 129 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->129 131 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->131 20 explorer.exe 57 9 11->20 injected 133 Multi AV Scanner detection for dropped file 14->133 135 Machine Learning detection for dropped file 14->135 137 Maps a DLL or memory area into another process 14->137 139 Checks if the current machine is a virtual machine (disk enumeration) 16->139 141 Creates a thread in another existing process (thread injection) 16->141 143 Switches to a custom stack to bypass stack traces 16->143 process6 dnsIp7 65 calvinandhalls.com 23.145.40.162, 443, 49770, 49771 SURFAIRWIRELESS-IN-01US Reserved 20->65 67 23.145.40.164, 443, 49758 SURFAIRWIRELESS-IN-01US Reserved 20->67 69 2 other IPs or domains 20->69 51 C:\Users\user\AppData\Roaming\jjgghaw, PE32 20->51 dropped 53 C:\Users\user\AppData\Roaming\asgghaw, PE32 20->53 dropped 55 C:\Users\user\AppData\Local\Temp58.exe, PE32 20->55 dropped 57 2 other malicious files 20->57 dropped 87 System process connects to network (likely due to code injection or exploit) 20->87 89 Benign windows process drops PE files 20->89 91 Injects code into the Windows Explorer (explorer.exe) 20->91 93 3 other signatures 20->93 25 7EB2.exe 14 20->25         started        29 E58.exe 20->29         started        31 explorer.exe 18 20->31         started        33 5 other processes 20->33 file8 signatures9 process10 dnsIp11 71 globalviewsnature.com 23.145.40.113, 443, 49784 SURFAIRWIRELESS-IN-01US Reserved 25->71 101 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->101 103 Machine Learning detection for dropped file 25->103 105 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 25->105 107 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 25->107 35 cmd.exe 1 25->35         started        109 Detected unpacking (changes PE section rights) 29->109 111 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 29->111 113 Maps a DLL or memory area into another process 29->113 125 3 other signatures 29->125 115 System process connects to network (likely due to code injection or exploit) 31->115 117 Found evasive API chain (may stop execution after checking mutex) 31->117 119 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->119 121 Tries to steal Mail credentials (via file / registry access) 31->121 123 Tries to harvest and steal browser information (history, passwords, etc) 33->123 signatures12 process13 signatures14 81 Uses netsh to modify the Windows network and firewall settings 35->81 83 Uses ipconfig to lookup or modify the Windows network settings 35->83 85 Modifies the windows firewall 35->85 38 WMIC.exe 35->38         started        41 systeminfo.exe 35->41         started        43 net.exe 35->43         started        45 20 other processes 35->45 process15 signatures16 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->95 97 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 38->97 99 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 38->99 47 net1.exe 43->47         started        49 net1.exe 45->49         started        process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-20 05:53:05 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uk4nj5dju64mrean6eswtxth6xemw2hgqf35jax7pth6tvmacanq._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
shellcode_loader_002
Create hunting rule
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0004d851f92bfea425f064b898e7668d84a26e12954785ce0ec3b62ff2e34d46
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02eb002f33af51183396e8406bc7518c01c4b2f3b326d227fef6bc7e3c8fd1a6
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247eb6cc11d0a92ac985fb99c19dcfe4779878f4989764b8ced06727820ff57c
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5c88a340b3b0502c9777fe6159f01d66875341dc739e23a56a21ee18479890f2
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a73ee8f46c7caf4da7ea6a92dc0a11d58757a83e1b5b9c3723b49690fc238271
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e629fcf41de2187cafd4c8c38b1e9408a5c521d29459971bb96fae5da26fa9d5
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Smoke Loader
+ 2'550 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/240920-glaths1gmb/
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/4eb8bc5e-92d1-4169-a124-a5468fb033bd
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/7d0e1500-d8cd-45e1-9ce2-5d28553ddada/
Parent samples :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 hash:
a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b
MD5 hash:
55cf0ba0a65d11eee638b11ba9e2f3a1
SHA1 hash:
a34d2eca33a11ee443675788174220984963be47
Link:
https://www.unpac.me/results/7d0e1500-d8cd-45e1-9ce2-5d28553ddada/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2b8d4f469a7/report/overview.html
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
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 a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3182159/

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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::GetConsoleDisplayMode
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::LoadModule
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW

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