MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c3ffcd5a7623471ea4ebd0df78300568f641bba314b956f5837c2b829c87334. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 0c3ffcd5a7623471ea4ebd0df78300568f641bba314b956f5837c2b829c87334
SHA3-384 hash: f1341d3fab53be352f4f169ec2129fb6c999f2e8a366fe4779cd83c52d9e48c1f68d2d0cd5a1eb8bf0912d6273b8d6fd
SHA1 hash: 6d703356a39b28e138026fd6fb460d84fc74b18e
MD5 hash: a088214caaec232737ddd5daf4c2fd11
humanhash: nevada-early-skylark-princess
File name:Purchase Order 21PTAES2110-2.pif
Download: download sample
Signature Smoke Loader
File size:869'376 bytes
First seen:2020-08-13 06:32:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:oAHnh+eWsN3skA4RV1Hom2KXMmHaf6V5:vh+ZkldoPK8Yafw
Threatray 42 similar samples on MalwareBazaar
TLSH 4D058B0273D1C036FFABA2739B6AF60556BC79254133852F13981DB9BD701B2263E663
Reporter abuse_ch
Tags:pif Smoke Loader


Avatar
abuse_ch
Malspam distributing Smoke Loader:

HELO: mail.greattwn.com.tw
Sending IP: 60.251.132.140
From: Lupita, Alvarez <daniela@metacsa.com>
Reply-To: morgansh@speedy.com.ar
Subject: Balanced Payment - PO 21PTAES2110-2-TBK
Attachment: Purchase Order 21PTAES2110-2.rar (contains "Purchase Order 21PTAES2110-2.pif")

Smoke Loader C2:
http://5by80.com/1/

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Sending a UDP request
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Connection attempt
Sending an HTTP POST request
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
Setting browser functions hooks
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Unauthorized injection to a browser process
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
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
Initial sample is a PE file and has a suspicious name
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265156 Sample: Purchase Order 21PTAES2110-2.pif Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Yara detected SmokeLoader 2->63 65 Binary is likely a compiled AutoIt script file 2->65 67 4 other signatures 2->67 11 Purchase Order 21PTAES2110-2.exe 2->11         started        13 isrwhgti.exe 2 2->13         started        process3 process4 15 powershell.exe 9 11->15         started        17 conhost.exe 13->17         started        process5 19 powershell.exe 15 16 15->19         started        22 conhost.exe 15->22         started        dnsIp6 55 paste.ee 104.18.48.20, 443, 49729 CLOUDFLARENETUS United States 19->55 24 MSBuild.exe 19->24         started        27 MSBuild.exe 19->27         started        process7 signatures8 83 Maps a DLL or memory area into another process 24->83 29 explorer.exe 4 24->29 injected process9 dnsIp10 57 5by80.com 74.208.236.2, 49743, 80 ONEANDONE-ASBrauerstrasse48DE United States 29->57 59 www.msftncsi.com 29->59 53 C:\Users\user\AppData\...\isrwhgti.exe, PE32 29->53 dropped 85 Benign windows process drops PE files 29->85 87 Injects code into the Windows Explorer (explorer.exe) 29->87 89 Writes to foreign memory regions 29->89 91 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->91 34 explorer.exe 29->34         started        37 explorer.exe 29->37         started        39 explorer.exe 29->39         started        41 8 other processes 29->41 file11 signatures12 process13 signatures14 69 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 34->69 71 Hijacks the control flow in another process 34->71 73 Changes memory attributes in foreign processes to executable or writable 34->73 43 NjNYlEkthVzgCTN.exe 34->43 injected 45 NjNYlEkthVzgCTN.exe 34->45 injected 75 Writes to foreign memory regions 37->75 77 Maps a DLL or memory area into another process 37->77 79 Creates a thread in another existing process (thread injection) 37->79 47 NjNYlEkthVzgCTN.exe 37->47 injected 49 sihost.exe 39->49 injected 51 taskhostw.exe 39->51 injected 81 Tries to steal Mail credentials (via file access) 41->81 process15
Threat name:
Win32.Trojan.Povertel
Status:
Malicious
First seen:
2020-08-13 02:05:48 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
trojan backdoor family:smokeloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Blacklisted process makes network request
SmokeLoader
Malware Config
C2 Extraction:
http://185.35.137.147/mlp/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Smoke Loader

Executable exe 0c3ffcd5a7623471ea4ebd0df78300568f641bba314b956f5837c2b829c87334

(this sample)

  
Delivery method
Distributed via e-mail attachment

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