MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 759ac22cc9f4830b195355ce016cb24497aef7ae42bfe806eee051bcbef1c974. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 759ac22cc9f4830b195355ce016cb24497aef7ae42bfe806eee051bcbef1c974
SHA3-384 hash: 27b7d553f62971ec128fc88b9688227f121a16998717aaeec3a86b147c9e85fd633b7c05b61816beccd68dc8c140f40e
SHA1 hash: f94c8f73ac8cbd7f1b61ea9a3a96fc23685db88e
MD5 hash: 83cc386f06c4c212ed56ae1e4d43661d
humanhash: purple-florida-kitten-bakerloo
File name:file
Download: download sample
Signature Smoke Loader
File size:296'960 bytes
First seen:2023-01-27 15:53:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3bdb642ac554d42d6f21a1b2ec1dda39 (2 x RedLineStealer, 1 x Smoke Loader, 1 x ArkeiStealer)
ssdeep 6144:x6LeJrHChM9dnL5ZxgE21JwIqA7Ktqitu55u:gKY6j21Kd5S/u
Threatray 19'066 similar samples on MalwareBazaar
TLSH T18E549D11A2B1BDD0E722C632AE5ADEEC753EF444BE15EE57220B660F18753A1C52231F
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 245c04128c8484c0 (1 x Smoke Loader)
Reporter jstrosch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-27 15:54:37 UTC
Tags:
trojan loader smoke

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
anti-vm greyware packed
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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793100 Sample: file.exe Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Multi AV Scanner detection for domain / URL 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 5 other signatures 2->40 7 file.exe 2->7         started        10 gsgcbvw 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 52 2 other signatures 7->52 12 explorer.exe 1 5 7->12 injected 48 Multi AV Scanner detection for dropped file 10->48 50 Machine Learning detection for dropped file 10->50 process5 dnsIp6 26 138.36.3.134, 49729, 49732, 80 TEXNETSERVICOSDECOMUNICACAOEMINFORMATICALTDBR Brazil 12->26 28 178.31.136.92, 49737, 49745, 80 TELENOR-NEXTELTelenorNorgeASNO Sweden 12->28 30 7 other IPs or domains 12->30 20 C:\Users\user\AppData\Roaming\gsgcbvw, PE32 12->20 dropped 22 C:\Users\user\AppData\Local\Temp8AF.exe, PE32 12->22 dropped 24 C:\Users\user\...\gsgcbvw:Zone.Identifier, ASCII 12->24 dropped 54 System process connects to network (likely due to code injection or exploit) 12->54 56 Benign windows process drops PE files 12->56 58 Deletes itself after installation 12->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->60 17 E8AF.exe 12->17         started        file7 signatures8 process9 signatures10 32 Machine Learning detection for dropped file 17->32
Threat name:
Win32.Trojan.Chapak
Status:
Malicious
First seen:
2023-01-27 15:54:11 UTC
File Type:
PE (Exe)
Extracted files:
85
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
08ea880fcddeef49048c5539165d8c1933edfd3b3db1b3094cca96ceaef61f3e
MD5 hash:
da83d0bf0d0302e25abe45a0774566ec
SHA1 hash:
4a6de5f201934b9b0b68c4122b31da99029b44c2
Detections:
win_smokeloader_a2 SmokeLoaderStage2
SH256 hash:
759ac22cc9f4830b195355ce016cb24497aef7ae42bfe806eee051bcbef1c974
MD5 hash:
83cc386f06c4c212ed56ae1e4d43661d
SHA1 hash:
f94c8f73ac8cbd7f1b61ea9a3a96fc23685db88e
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pdb_YARAify
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 759ac22cc9f4830b195355ce016cb24497aef7ae42bfe806eee051bcbef1c974

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download

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