MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dd71da9e576dc4b91f9b9ded0c0b7648604938fb83343063e44b99bc3eb23c6. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: 5dd71da9e576dc4b91f9b9ded0c0b7648604938fb83343063e44b99bc3eb23c6
SHA3-384 hash: 31aac7b813585bf9b7b8e4bed5dda45c0abf22dc309ec217a726c03d15929d094855a8009f0fed51ecda5bf9f0e0cd56
SHA1 hash: c29986b9d0d1c05a721f08a3c259c62814ef8a34
MD5 hash: 1552dbdb5fcb0236dbc9897df14e98c6
humanhash: edward-social-friend-muppet
File name:1552dbdb5fcb0236dbc9897df14e98c6.exe
Download: download sample
Signature Smoke Loader
File size:139'776 bytes
First seen:2020-12-29 07:47:27 UTC
Last seen:2020-12-29 10:12:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2144f9c12885542d4a4f22de64e840e1 (26 x RedLineStealer, 24 x Smoke Loader, 13 x RaccoonStealer)
ssdeep 1536:ddGc1pYZc+4ScR6SfwBNDvVvVAXua967M+Q/fqO1cQB6DKPuoFrFur833Fkwg9Rq:ddGBYcS4Vvkua967lLSwYuoruolo
Threatray 778 similar samples on MalwareBazaar
TLSH CED302B399748A59D481E874B67FCED9D007F86147CEC14AAD528E019C7CB0D2E39ACA
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
348
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1552dbdb5fcb0236dbc9897df14e98c6.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-29 07:47:43 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt to an infection source
Deleting of the original file
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
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:
RedLine SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Binary contains a suspicious time stamp
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
Found C&C like URL pattern
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Renames NTDLL to bypass HIPS
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 334692 Sample: BYatCHksal.exe Startdate: 29/12/2020 Architecture: WINDOWS Score: 100 85 gxd3fp7fe7cac6jzn2sac.online 2->85 87 api.ip.sb 2->87 89 5 other IPs or domains 2->89 109 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->109 111 Multi AV Scanner detection for domain / URL 2->111 113 Antivirus detection for URL or domain 2->113 115 10 other signatures 2->115 12 BYatCHksal.exe 1 2->12         started        15 uwejvuw 1 2->15         started        signatures3 process4 file5 135 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->135 137 Renames NTDLL to bypass HIPS 12->137 139 Maps a DLL or memory area into another process 12->139 141 Creates a thread in another existing process (thread injection) 12->141 18 explorer.exe 4 12->18 injected 83 C:\Users\user\AppData\Local\Temp\CC4F.tmp, PE32 15->83 dropped 143 Multi AV Scanner detection for dropped file 15->143 145 Machine Learning detection for dropped file 15->145 147 Checks if the current machine is a virtual machine (disk enumeration) 15->147 signatures6 process7 dnsIp8 91 79.110.52.117, 80 V4ESCROW-ASRO Romania 18->91 93 gamesforconsoles2222.top 5.2.76.209, 49732, 49759, 49769 LITESERVERNL Netherlands 18->93 95 5 other IPs or domains 18->95 69 C:\Users\user\AppData\Roaming\uwejvuw, PE32 18->69 dropped 71 C:\Users\user\AppData\Local\Temp\2A90.exe, PE32 18->71 dropped 73 C:\Users\user\...\uwejvuw:Zone.Identifier, ASCII 18->73 dropped 117 System process connects to network (likely due to code injection or exploit) 18->117 119 Benign windows process drops PE files 18->119 121 Deletes itself after installation 18->121 123 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->123 23 2A90.exe 19 18->23         started        28 9E98.exe 15 23 18->28         started        file9 signatures10 process11 dnsIp12 99 gxd3fp7fe7cac6jzn2sac.online 95.181.152.100, 49741, 49744, 49762 MSKHOSTRU Russian Federation 23->99 101 95.181.152.177, 49752, 49754, 49756 MSKHOSTRU Russian Federation 23->101 79 C:\Users\user\AppData\...\nethelper[1].dll, PE32 23->79 dropped 81 C:\ProgramData81etHelper\...\nethelper.dll, PE32 23->81 dropped 127 Machine Learning detection for dropped file 23->127 30 cmd.exe 23->30         started        32 cmd.exe 1 23->32         started        34 cmd.exe 1 23->34         started        36 cmd.exe 1 23->36         started        103 api.ip.sb 28->103 105 WHOIS.RIPE.NET 193.0.6.135, 43, 49809, 49820 RIPE-NCC-ASReseauxIPEuropeensNetworkCoordinationCentre Netherlands 28->105 107 3 other IPs or domains 28->107 129 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 28->129 131 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 28->131 133 Tries to harvest and steal browser information (history, passwords, etc) 28->133 file13 signatures14 process15 process16 38 rundll32.exe 15 30->38         started        43 conhost.exe 30->43         started        45 conhost.exe 32->45         started        47 timeout.exe 1 32->47         started        49 conhost.exe 34->49         started        51 reg.exe 1 1 34->51         started        53 conhost.exe 36->53         started        55 reg.exe 1 1 36->55         started        dnsIp17 97 udre3kvzatwrx6ues4p2u.top 94.250.255.61, 49758, 49852, 80 THEFIRST-ASRU Russian Federation 38->97 75 C:\Users\user\AppData\Local\...\nethelper.exe, PE32 38->75 dropped 77 C:\Users\user\AppData\...\nethelper[1].info, PE32 38->77 dropped 125 System process connects to network (likely due to code injection or exploit) 38->125 57 cmd.exe 1 38->57         started        59 cmd.exe 38->59         started        61 cmd.exe 38->61         started        file18 signatures19 process20 process21 63 conhost.exe 57->63         started        65 schtasks.exe 57->65         started        67 conhost.exe 59->67         started       
Threat name:
Win32.Trojan.Zenpack
Status:
Malicious
First seen:
2020-12-29 00:36:58 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor spyware trojan upx
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
JavaScript code in executable
Deletes itself
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
SmokeLoader
Malware Config
C2 Extraction:
http://vtdilet.com/upload/
http://netvxi.com/upload/
http://tinnys.monster/upload/
Unpacked files
SH256 hash:
eac400358eb90d8afd8b40bcdb18de5197ad98dc17ad45feb9a437656e08dfc4
MD5 hash:
8f9ca32f626c05de9f280dc00185333c
SHA1 hash:
1c2f81c982c35335e0046e1475cc695a23cea5a7
SH256 hash:
6f2184dfe083c769ca14dc0cbfee5e2615b180aff2e58c6552a79c11a27c0e91
MD5 hash:
fd3cb401704fd1d4070139d45569b743
SHA1 hash:
6dfad0f23deaae5a3b12e7f90217d9f8a8376509
SH256 hash:
5dd71da9e576dc4b91f9b9ded0c0b7648604938fb83343063e44b99bc3eb23c6
MD5 hash:
1552dbdb5fcb0236dbc9897df14e98c6
SHA1 hash:
c29986b9d0d1c05a721f08a3c259c62814ef8a34
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:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

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 5dd71da9e576dc4b91f9b9ded0c0b7648604938fb83343063e44b99bc3eb23c6

(this sample)

  
Delivery method
Distributed via web download

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