MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 295603848fbebb33aede1859cfab94c0326c86ddabee364984048ed2598d5495. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 295603848fbebb33aede1859cfab94c0326c86ddabee364984048ed2598d5495
SHA3-384 hash: e6ebfa6c850b84a2ff89115085d21f4e2d89f8cd76c9f8683547df011f8e4cc990b3e6bed788e3e980c386dd27937a32
SHA1 hash: 977f7234671bae254c5e0d76197685431595eac4
MD5 hash: ac292785fddd80566b85ea596be9fb9c
humanhash: failed-alabama-enemy-sixteen
File name:2020lk0915v.pif
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:385'024 bytes
First seen:2020-09-16 08:06:31 UTC
Last seen:2020-09-16 08:43:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 712f4a29c405ecb576101d367b2180fb (14 x Smoke Loader, 2 x AZORult, 1 x Formbook)
ssdeep 6144:Lof7DeNUSfGgHCU/2McdfoI/ZX0rYfCzuCCMQZN/OdnFQ8+uXNvxsCtrEK8R:GYV6MorX7qzuC3QHO9FQgd5sCt0R
Threatray 43 similar samples on MalwareBazaar
TLSH 2F8412801AD2DD3AC09523B8D83BDD90682278B1CBD83B5A4399F51EB876787D40795E
Reporter GovCERT_CH
Tags:Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/61659/
Detection(s):
PUA.Win.Packer.Upx-48
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Connection attempt
Forced shutdown of a system process
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/467609
Signature
Benign windows process drops PE files
Binary is likely a compiled AutoIt script file
Bypasses PowerShell execution policy
Changes memory attributes in foreign processes to executable or writable
Connects to a pastebin service (likely for C&C)
Creates a thread in another existing process (thread injection)
Found strings related to Crypto-Mining
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hijacks the control flow in another process
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286220 Sample: 2020lk0915v.pif Startdate: 16/09/2020 Architecture: WINDOWS Score: 100 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected SmokeLoader 2->78 80 4 other signatures 2->80 11 2020lk0915v.exe 15 2->11         started        16 rtvgawwd.exe 2 2->16         started        process3 dnsIp4 60 paste.ee 104.18.49.20, 443, 49744, 49745 CLOUDFLARENETUS United States 11->60 54 C:\Users\user\AppData\Local\Temp\test.ps1, ASCII 11->54 dropped 98 Binary is likely a compiled AutoIt script file 11->98 18 powershell.exe 24 11->18         started        20 conhost.exe 16->20         started        file5 signatures6 process7 process8 22 powershell.exe 15 16 18->22         started        25 conhost.exe 18->25         started        dnsIp9 58 paste.ee 22->58 27 MSBuild.exe 22->27         started        process10 signatures11 96 Maps a DLL or memory area into another process 27->96 30 explorer.exe 4 27->30 injected process12 dnsIp13 62 vipengland.com 213.190.6.55, 49756, 80 AS-HOSTINGERLT Germany 30->62 64 www.msftncsi.com 30->64 56 C:\Users\user\AppData\...\rtvgawwd.exe, PE32 30->56 dropped 66 Benign windows process drops PE files 30->66 68 Injects code into the Windows Explorer (explorer.exe) 30->68 70 Writes to foreign memory regions 30->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->72 35 explorer.exe 30->35         started        38 explorer.exe 30->38         started        40 explorer.exe 30->40         started        42 9 other processes 30->42 file14 signatures15 process16 signatures17 82 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 35->82 84 Hijacks the control flow in another process 35->84 86 Changes memory attributes in foreign processes to executable or writable 35->86 44 snPRkyQnpbNVtxFkETC.exe 35->44 injected 46 snPRkyQnpbNVtxFkETC.exe 35->46 injected 48 snPRkyQnpbNVtxFkETC.exe 35->48 injected 88 Writes to foreign memory regions 38->88 90 Maps a DLL or memory area into another process 38->90 92 Creates a thread in another existing process (thread injection) 38->92 50 sihost.exe 40->50 injected 52 taskhostw.exe 40->52 injected 94 Tries to steal Mail credentials (via file access) 42->94 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/295603848fbebb33aede1859cfab94c0326c86ddabee364984048ed2598d5495/
Threat name:
Win32.Trojan.Povertel
Create hunting rule
Status:
Malicious
First seen:
2020-09-16 02:54:12 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fflahbepx25thlw6dbm47k4uyazgzbw5vpxdmsmeashnewmnkskq._file
Verdict:
malicious
Label(s):
trickbot
Create hunting rule
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Smoke Loader
+ 33 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/200916-dn1dad74va/
Behaviour
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Sysn
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/295603848fbebb33aede1859cfab94c0326c86ddabee364984048ed2598d5495

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
Create hunting rule
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.

Malspam

Smoke Loader

rar dbefdfbe551e2c85971a25c967a56dad3554a49564c8e3ac074c2b7fd166f2e7

Smoke Loader

Executable exe 295603848fbebb33aede1859cfab94c0326c86ddabee364984048ed2598d5495

(this sample)

  
Dropped by
MD5 7f930a5fe894ff66658e44057eba66c8
  
Dropped by
SHA256 dbefdfbe551e2c85971a25c967a56dad3554a49564c8e3ac074c2b7fd166f2e7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/61659/

Comments