MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 027a5c147d06ff721e440bfb43c733c9fa878e50e5f4637c36dece0a7571b547. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 027a5c147d06ff721e440bfb43c733c9fa878e50e5f4637c36dece0a7571b547
SHA3-384 hash: 76db4fea8fb5f875568e1ccbb1144f182a5f04c2d6b40fff05c89dd200ee2c555f0dcb2fbb54f4e0b80d6b675b86bd6c
SHA1 hash: d712d98639f16ad6431304bcee8988a0379175cc
MD5 hash: d57db26479a69f8c99900150986061a6
humanhash: single-steak-pasta-ten
File name:d57db26479a69f8c99900150986061a6.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:331'264 bytes
First seen:2020-10-05 05:15:46 UTC
Last seen:2020-10-05 05:55:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 19255a72e4129f67cbfc48c12a9db61a (1 x Smoke Loader)
ssdeep 3072:kTNiwXlp2y9RbLrfcvV6+rXQ5WKYXy64SLrpcQXRgnkxz67VsPHew:gXPRbLIN6+rXTdXy69LrpTRgSz3fh
TLSH 0D647C20BFF1C832C15318345861B2A1AB3BBD212634C98F7BA52F795E312D15BBB756
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68036/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST 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
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480990
Signature
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
Detected unpacking (changes PE section rights)
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
Renames NTDLL to bypass HIPS
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to download HTTP data from a sinkholed server
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 292935 Sample: eeEZN7CAUT.exe Startdate: 05/10/2020 Architecture: WINDOWS Score: 100 29 Tries to download HTTP data from a sinkholed server 2->29 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Multi AV Scanner detection for domain / URL 2->33 35 4 other signatures 2->35 6 eeEZN7CAUT.exe 1 2->6         started        9 fijbrig 1 2->9         started        process3 file4 37 Detected unpacking (changes PE section rights) 6->37 39 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 6->39 41 Renames NTDLL to bypass HIPS 6->41 43 Creates a thread in another existing process (thread injection) 6->43 12 explorer.exe 2 6->12 injected 17 C:\Users\user\AppData\Local\Temp\9419.tmp, PE32 9->17 dropped 45 Machine Learning detection for dropped file 9->45 47 Maps a DLL or memory area into another process 9->47 49 Checks if the current machine is a virtual machine (disk enumeration) 9->49 signatures5 process6 dnsIp7 23 ucar.ug 91.245.225.41, 49739, 80 RETN-ASEU Russian Federation 12->23 25 ukronet.ru 193.187.173.206, 49736, 49737, 80 ITOS-ASRU Russian Federation 12->25 27 5 other IPs or domains 12->27 19 C:\Users\user\AppData\Roaming\fijbrig, PE32 12->19 dropped 21 C:\Users\user\...\fijbrig:Zone.Identifier, ASCII 12->21 dropped 51 Benign windows process drops PE files 12->51 53 Deletes itself after installation 12->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->55 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/027a5c147d06ff721e440bfb43c733c9fa878e50e5f4637c36dece0a7571b547/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-10-05 05:17:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
trojan backdoor family:smokeloader
Link:
https://tria.ge/reports/201005-vtqgxbj3dn/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Deletes itself
Loads dropped DLL
SmokeLoader
Malware Config
C2 Extraction:
http://informatioshopname.ru/
http://ukronet.ru/
http://gmbshop.ru/
http://ucar.ug/
http://woproperty.xyz/
http://smatrhouseforyou.ru/
http://maningfarmllc.ru/
Unpacked files
SH256 hash:
027a5c147d06ff721e440bfb43c733c9fa878e50e5f4637c36dece0a7571b547
MD5 hash:
d57db26479a69f8c99900150986061a6
SHA1 hash:
d712d98639f16ad6431304bcee8988a0379175cc
Link:
https://www.unpac.me/results/d8f57a8a-44aa-4404-a6f4-664261134137/
SH256 hash:
5152fd00b855c069182e9ef3d9306181ee5a9803b599453f0038bd2d67c3b1b3
MD5 hash:
8004ec618f6894bb8733775df472cd5e
SHA1 hash:
d7415b4099f9a970f8c67933d708319ef229cfe7
Link:
https://www.unpac.me/results/d8f57a8a-44aa-4404-a6f4-664261134137/
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/027a5c147d06ff721e440bfb43c733c9fa878e50e5f4637c36dece0a7571b547

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:win_smokeloader_a2
Create hunting rule
Author:pnx

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/68036/

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