MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b020583bc9ff724a5e1ead0cd9cf6b8941b688c9c71fbef11c9db98b466a2d83. 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: b020583bc9ff724a5e1ead0cd9cf6b8941b688c9c71fbef11c9db98b466a2d83
SHA3-384 hash: ab9dde2107a0b9fd032271c72cf029e0b91f70277222cdc43c1c4a210ad2d4ae51ff3d0b73bb35ecc1c368da5f038b65
SHA1 hash: 74b880676e683a1904694a4f25691d6dba0f4ab5
MD5 hash: a0e6e26a97014cb9a5577d8c37c1db4c
humanhash: yellow-beryllium-carolina-delaware
File name:b020583bc9ff724a5e1ead0cd9cf6b8941b688c9c71fbef11c9db98b466a2d83.exe
Download: download sample
Signature Smoke Loader
File size:327'680 bytes
First seen:2023-01-03 17:57:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f124528fdca02f6dcbbaf9b4c5b716ac (8 x Smoke Loader, 6 x RedLineStealer, 1 x Amadey)
ssdeep 6144:e3LyiW+/XHrI8nOrFNKlXD3cAyjEvJEMrbM:CWiWkEi5DMAyoh
Threatray 16'099 similar samples on MalwareBazaar
TLSH T11264BE117388BFB2D847A5704D39DAE06B2DBC1259247633271B73BF1A7C2A1B272275
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 dcfcb49494849cc0 (1 x Smoke Loader)
Reporter atomiczsec
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
b020583bc9ff724a5e1ead0cd9cf6b8941b688c9c71fbef11c9db98b466a2d83.exe
Verdict:
Malicious activity
Analysis date:
2023-01-03 18:01:02 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:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
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
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 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 dnsIp2 2 Behavior Graph ID: 777453 Sample: NUVW9iRRMH.exe Startdate: 03/01/2023 Architecture: WINDOWS Score: 100 31 vatra.at 2->31 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 4 other signatures 2->47 8 NUVW9iRRMH.exe 2->8         started        11 cacsjcr 2->11         started        signatures3 process4 signatures5 49 Detected unpacking (changes PE section rights) 8->49 51 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->51 53 Maps a DLL or memory area into another process 8->53 57 2 other signatures 8->57 13 explorer.exe 6 8->13 injected 55 Machine Learning detection for dropped file 11->55 process6 dnsIp7 33 187.212.192.17, 49733, 49735, 49741 UninetSAdeCVMX Mexico 13->33 35 187.232.173.102, 49740, 49744, 80 UninetSAdeCVMX Mexico 13->35 37 6 other IPs or domains 13->37 23 C:\Users\user\AppData\Roaming\cacsjcr, PE32 13->23 dropped 25 C:\Users\user\AppData\Local\Temp\50D2.exe, PE32 13->25 dropped 27 C:\Users\user\AppData\Local\Temp\3A4C.exe, PE32 13->27 dropped 29 C:\Users\user\...\cacsjcr:Zone.Identifier, ASCII 13->29 dropped 59 System process connects to network (likely due to code injection or exploit) 13->59 61 Benign windows process drops PE files 13->61 63 Deletes itself after installation 13->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->65 18 3A4C.exe 13->18         started        21 50D2.exe 13->21         started        file8 signatures9 process10 signatures11 39 Machine Learning detection for dropped file 18->39
Threat name:
Win32.Trojan.MintZard
Status:
Malicious
First seen:
2023-01-03 17:58:07 UTC
File Type:
PE (Exe)
Extracted files:
77
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Blocklisted process makes network request
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
b020583bc9ff724a5e1ead0cd9cf6b8941b688c9c71fbef11c9db98b466a2d83
MD5 hash:
a0e6e26a97014cb9a5577d8c37c1db4c
SHA1 hash:
74b880676e683a1904694a4f25691d6dba0f4ab5
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
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 b020583bc9ff724a5e1ead0cd9cf6b8941b688c9c71fbef11c9db98b466a2d83

(this sample)

  
Delivery method
Distributed via web download

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