MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b923938e9dcac76f2195ee41577022e6aa46d79a28f30a8374638246cc4dac0. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b923938e9dcac76f2195ee41577022e6aa46d79a28f30a8374638246cc4dac0
SHA3-384 hash: ad02d7fda5e8da367e4709c9760bc560925753d1a785d06f51f12120bad4f8a150db962dfb906f8d918a94e47ee909b6
SHA1 hash: 561c9323e4edc7f05ed215783a9a087c93604238
MD5 hash: 54e8da4e076d19fbf7db2deb44d761e3
humanhash: blossom-carbon-kansas-three
File name:04093899.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:296'960 bytes
First seen:2023-05-27 08:58:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bd191f6a78cc98a8bbe61db18ad8e9a2 (5 x Glupteba, 4 x Smoke Loader, 3 x ArkeiStealer)
ssdeep 3072:AzVJUj9BSNtac8TeAXhJ9o7YRPgqKX5AC9AR3T:uVJUjUtaceeYZPgqC6R
Threatray 6'032 similar samples on MalwareBazaar
TLSH T1B8543A1392E27D94F9264A739E2EC6E8375DF6548F09376AA2186FDF04F01B2C163781
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 80c0c088c8a48880 (1 x Smoke Loader)
Reporter Neiki
Tags:Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
04093899.exe
Verdict:
Malicious activity
Analysis date:
2023-05-27 09:01:33 UTC
Tags:
loader smoke trojan
Link:
https://app.any.run/tasks/7ccf9ab1-e458-487b-a1e1-a1599cfb01b0

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/392453/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Query of malicious DNS domain
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/88178/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6471c6570ab38055123bb220/reports/85ff213a-ac80-4306-a1f4-d64c2061601a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6b923938e9dcac76f2195ee41577022e6aa46d79a28f30a8374638246cc4dac0
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/af74e0de-b220-4f34-97a1-1e4322db1a08
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1243748
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)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 876761 Sample: 04093899.exe Startdate: 27/05/2023 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 5 other signatures 2->40 7 04093899.exe 2->7         started        10 drtiatd 2->10         started        12 drtiatd 2->12         started        process3 signatures4 42 Detected unpacking (changes PE section rights) 7->42 14 04093899.exe 7->14         started        44 Multi AV Scanner detection for dropped file 10->44 46 Machine Learning detection for dropped file 10->46 48 Contains functionality to inject code into remote processes 10->48 17 drtiatd 10->17         started        50 Injects a PE file into a foreign processes 12->50 19 drtiatd 12->19         started        process5 signatures6 60 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Checks if the current machine is a virtual machine (disk enumeration) 14->64 21 explorer.exe 3 14->21 injected 66 Creates a thread in another existing process (thread injection) 17->66 process7 dnsIp8 30 host-file-host6.com 194.50.153.68, 49724, 80 GAZ-IS-ASRU United Kingdom 21->30 32 host-host-file8.com 21->32 26 C:\Users\user\AppData\Roaming\drtiatd, PE32 21->26 dropped 28 C:\Users\user\...\drtiatd:Zone.Identifier, ASCII 21->28 dropped 52 System process connects to network (likely due to code injection or exploit) 21->52 54 Benign windows process drops PE files 21->54 56 Deletes itself after installation 21->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->58 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b923938e9dcac76f2195ee41577022e6aa46d79a28f30a8374638246cc4dac0/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-27 07:47:07 UTC
File Type:
PE (Exe)
Extracted files:
56
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nojdsohj3swhn4qzl3sbk5ycfzvki3lzukhtbkbxiy4ci3ge3laa._file
Verdict:
malicious
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694f253c98856f3398062575a4ada04df3f50090b3cd66eda8044cd13645ac4b
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9efe10a206ba1326c1d75b3e41df36c4bfc25d090b0d3d2c74f762587c70a39d
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c576b3a87ac07ff38f4dcbd14561186361b38cff36fa2f08b99ed4be80d3313a
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e88173448664121ca9f43d08897218b6afcd00309aff754e5d9e2a9e8e5e4bdc
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ebbbcddcc71eb168df549650ca4595b33d97f39c16c9b475a9fbdd11eea8fe7f
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efaab91dcc9f31617e0d512545a3be360eaa320701d1e2d686e430647ffb11b9
Smoke Loader
+ 6'022 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Link:
https://tria.ge/reports/230527-kxq7esbd42/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://host-file-host6.com/
http://host-host-file8.com/
Gathering data
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b923938e9dc/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/6b923938e9dcac76f2195ee41577022e6aa46d79a28f30a8374638246cc4dac0

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

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 6b923938e9dcac76f2195ee41577022e6aa46d79a28f30a8374638246cc4dac0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2642462/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/392453/

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