MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b3357fdb88277d16f5000c26779820155feabe5dbae02431e1266928dea9b8a. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b3357fdb88277d16f5000c26779820155feabe5dbae02431e1266928dea9b8a
SHA3-384 hash: 4085c9f704a8620733c42651169d93988f4e34f6ca5535c4557abf45cb41d22a89f8b1ea3fa3f1064e6944ff7b98fb32
SHA1 hash: 75132f318823a756f105e56ed0fdc637fccebab1
MD5 hash: 5e8b867f9e54e495f0a4a85771ff11c3
humanhash: low-hydrogen-speaker-missouri
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:349'696 bytes
First seen:2023-01-04 01:56:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ee289e4925dac0bb3762646578db625 (8 x Smoke Loader, 7 x RedLineStealer)
ssdeep 6144:ZC6LmkaqFOE1Wv4kbyssCy4Au6ADycAyjFvJEMbx5rb:E6/aUOE1KHa+DPAyxfV5
TLSH T18D74BF117355BCA3D84534358C36FBE8266DB82286EC7633F7652A7F5A702B0B236274
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 080c0c5c4c590804 (1 x Smoke Loader)
Reporter jstrosch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-04 01:57:42 UTC
Tags:
trojan loader smoke
Link:
https://app.any.run/tasks/d7b32274-62e1-4767-a06b-0c2d124e9781

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/349290/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/63b4dcf040e878e30422878b/reports/13523869-8476-486a-b563-81304bdfd7af/overview
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/15d44338-7e38-4b31-900a-4ac9eb9bbbe8
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1144876
Signature
Antivirus detection for URL or domain
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)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 777606 Sample: file.exe Startdate: 04/01/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 3 other signatures 2->40 7 file.exe 2->7         started        10 hhgacei 2->10         started        process3 signatures4 42 Detected unpacking (changes PE section rights) 7->42 44 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->44 46 Maps a DLL or memory area into another process 7->46 50 2 other signatures 7->50 12 explorer.exe 4 7->12 injected 48 Machine Learning detection for dropped file 10->48 process5 dnsIp6 26 175.119.10.231, 49702, 49703, 49706 SKB-ASSKBroadbandCoLtdKR Korea Republic of 12->26 28 vatra.at 211.119.84.112, 49701, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 12->28 30 2 other IPs or domains 12->30 20 C:\Users\user\AppData\Roaming\hhgacei, PE32 12->20 dropped 22 C:\Users\user\AppData\Local\Temp\33D1.exe, PE32 12->22 dropped 24 C:\Users\user\...\hhgacei:Zone.Identifier, ASCII 12->24 dropped 52 System process connects to network (likely due to code injection or exploit) 12->52 54 Benign windows process drops PE files 12->54 56 Deletes itself after installation 12->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->58 17 33D1.exe 12->17         started        file7 signatures8 process9 signatures10 32 Machine Learning detection for dropped file 17->32
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b3357fdb88277d16f5000c26779820155feabe5dbae02431e1266928dea9b8a/
Threat name:
Win32.Trojan.Convagent
Create hunting rule
Status:
Malicious
First seen:
2023-01-04 01:57:08 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
19 of 41 (46.34%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pmzvp7nyqj35c32qadbgo6mcafk75k7f3oxaeqy6cjtjfdpktofa._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor collection discovery spyware stealer trojan
Link:
https://tria.ge/reports/230104-cc9h9sgg91/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Detects Smokeloader packer
SmokeLoader
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/34d75f8a-5264-4969-b20e-a051677abe5f
Unpacked files
SH256 hash:
6068910718476b25f80759a5fcf74a2bd9a8baf454e62c0b29098119b3ed8d00
MD5 hash:
f037f0beb48c2ce39a25cb97f570bd28
SHA1 hash:
f850c07e43c36274f1fef85afe8c1a815033377f
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/01bf31b3-7b7b-411b-8d09-1d6bdbdc147a/
Parent samples :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 hash:
7b3357fdb88277d16f5000c26779820155feabe5dbae02431e1266928dea9b8a
MD5 hash:
5e8b867f9e54e495f0a4a85771ff11c3
SHA1 hash:
75132f318823a756f105e56ed0fdc637fccebab1
Link:
https://www.unpac.me/results/01bf31b3-7b7b-411b-8d09-1d6bdbdc147a/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b3357fdb882/report/overview.html
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/7b3357fdb88277d16f5000c26779820155feabe5dbae02431e1266928dea9b8a

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

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 7b3357fdb88277d16f5000c26779820155feabe5dbae02431e1266928dea9b8a

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2432863/
Cape
Cape
https://www.capesandbox.com/analysis/349290/

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