MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b69a9c37210a79131c5cbcfaa4163fb5027989b4537b43a5a6cf6f40a4bab1a. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments

SHA256 hash: 1b69a9c37210a79131c5cbcfaa4163fb5027989b4537b43a5a6cf6f40a4bab1a
SHA3-384 hash: de6d71aa8982e8c28f659fe2ef22b2567d756b594a49083711c589be67080acb3903bc73dbf579883ea596523ce762d9
SHA1 hash: 37fb7a8b8903f4b614cec214f0ff0c69c88a1864
MD5 hash: a93525f5f13c811e90c56492f5ac934a
humanhash: four-march-mexico-shade
File name:c3f3d7cea638c32610d85c9c1dfdcfe3cba3dad9e932257113f07ffcac34b280_dump.exe
Download: download sample
Signature Smoke Loader
File size:41'369 bytes
First seen:2024-05-26 22:25:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:yBQB1CTmqUQHXQkkU3NIZjKQu/MGQ2lsDBw7en:yBc0+yQmNIZreMp28O7Y
TLSH T1F103D05A2292D462C7BC05F1CDC255BF6270F9C12A1A53B4C274EC7B3669FE353A482B
TrID 42.6% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
18.9% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
0.2% (.VXD) VXD Driver (29/21)
Reporter ukycircle
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
413
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1b69a9c37210a79131c5cbcfaa4163fb5027989b4537b43a5a6cf6f40a4bab1a.exe
Verdict:
Malicious activity
Analysis date:
2024-05-26 22:28:20 UTC
Tags:
loader smokeloader

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay 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.
Result
Threat name:
LummaC, CryptOne, LummaC Stealer, SmokeL
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
LummaC encrypted strings found
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
Opens network shares
PE file has a writeable .text section
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected CryptOne packer
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected SmokeLoader
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1447731 Sample: c3f3d7cea638c32610d85c9c1df... Startdate: 27/05/2024 Architecture: WINDOWS Score: 100 61 whispedwoodmoodsksl.shop 2->61 63 steamcommunity.com 2->63 65 dbfhns.in 2->65 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Found malware configuration 2->93 95 16 other signatures 2->95 11 c3f3d7cea638c32610d85c9c1dfdcfe3cba3dad9e932257113f07ffcac34b280_dump.exe 2->11         started        14 aarhevh 2->14         started        16 aarhevh 2->16         started        signatures3 process4 signatures5 121 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->121 123 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->123 125 Maps a DLL or memory area into another process 11->125 127 Creates a thread in another existing process (thread injection) 11->127 18 explorer.exe 91 7 11->18 injected 129 Antivirus detection for dropped file 14->129 131 Multi AV Scanner detection for dropped file 14->131 133 Machine Learning detection for dropped file 14->133 135 Checks if the current machine is a virtual machine (disk enumeration) 16->135 process6 dnsIp7 67 dbfhns.in 187.143.58.5, 49711, 49712, 49713 UninetSAdeCVMX Mexico 18->67 69 23.145.40.124, 49725, 80 SURFAIRWIRELESS-IN-01US Reserved 18->69 71 3 other IPs or domains 18->71 43 C:\Users\user\AppData\Roaming\aarhevh, PE32 18->43 dropped 45 C:\Users\user\AppData\Local\Temp\C9A7.exe, PE32 18->45 dropped 47 C:\Users\user\AppData\Local\Temp\21AE.exe, PE32 18->47 dropped 49 C:\Users\user\...\aarhevh:Zone.Identifier, ASCII 18->49 dropped 97 System process connects to network (likely due to code injection or exploit) 18->97 99 Benign windows process drops PE files 18->99 101 Deletes itself after installation 18->101 103 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->103 23 C9A7.exe 1 18->23         started        27 21AE.exe 18->27         started        file8 signatures9 process10 dnsIp11 51 C:\Users\user\AppData\Local\...\katA304.tmp, PE32 23->51 dropped 105 Machine Learning detection for dropped file 23->105 107 Contains functionality to inject code into remote processes 23->107 109 Writes to foreign memory regions 23->109 117 3 other signatures 23->117 30 katA304.tmp 1 46 23->30         started        73 whispedwoodmoodsksl.shop 188.114.97.3, 443, 49720, 49722 CLOUDFLARENETUS European Union 27->73 75 185.235.137.54, 49729, 80 AFRARASAIR Iran (ISLAMIC Republic Of) 27->75 111 Antivirus detection for dropped file 27->111 113 Multi AV Scanner detection for dropped file 27->113 115 Detected unpacking (changes PE section rights) 27->115 119 5 other signatures 27->119 35 WerFault.exe 21 27->35         started        file12 signatures13 process14 dnsIp15 77 steamcommunity.com 104.102.42.29, 443, 49746 AKAMAI-ASUS United States 30->77 79 65.109.242.59, 443, 49748, 49750 ALABANZA-BALTUS United States 30->79 53 C:\Users\user\AppData\...\softokn3[1].dll, PE32 30->53 dropped 55 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 30->55 dropped 57 C:\Users\user\AppData\...\mozglue[1].dll, PE32 30->57 dropped 59 10 other files (6 malicious) 30->59 dropped 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->81 83 Found many strings related to Crypto-Wallets (likely being stolen) 30->83 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->85 87 5 other signatures 30->87 37 cmd.exe 30->37         started        file16 signatures17 process18 process19 39 conhost.exe 37->39         started        41 timeout.exe 37->41         started       
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-05-26 22:26:05 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor trojan
Behaviour
Checks SCSI registry key(s)
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1b69a9c37210a79131c5cbcfaa4163fb5027989b4537b43a5a6cf6f40a4bab1a
MD5 hash:
a93525f5f13c811e90c56492f5ac934a
SHA1 hash:
37fb7a8b8903f4b614cec214f0ff0c69c88a1864
Detections:
SmokeLoaderStage2 win_smokeloader_a2
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:pe_no_import_table
Description:Detect pe file that no import table

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

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