MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7a53067b4b97c4bcea3aa0e0f7c3366df68f5efc0e7d990dc32a8191fb1f951. 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

SHA256 hash: b7a53067b4b97c4bcea3aa0e0f7c3366df68f5efc0e7d990dc32a8191fb1f951
SHA3-384 hash: 60385c15c3c31eebf7ce0284232e635f65e58e0586e2ed93d7346e8951cc95d606f07d288db144184fc60d676798560e
SHA1 hash: 5508bb3f3c7e426d02d6d51161d6205d35ae012c
MD5 hash: 9bfe889b239c6e5125f059c5f8d7bb1a
humanhash: magazine-violet-seventeen-happy
File name:9bfe889b239c6e5125f059c5f8d7bb1a.exe
Download: download sample
Signature Smoke Loader
File size:262'144 bytes
First seen:2024-01-12 10:47:47 UTC
Last seen:2024-01-12 12:24:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7b1df25cb3b9a53041bb12b024d69535 (4 x Smoke Loader, 1 x GCleaner)
ssdeep 3072:Nyf/5wqLWsLlsOS24ZV1TJi9N1K4Sqlg6QWF0yLo7fRJAXOZtohKYhx8GRkcLs7Y:Ef/jL+ZV1MVFpo7AXOgn8ce
TLSH T13B447C2135E4C072E3B37B7649B1C7B49B3BB8666931B94E2AC41A791F357D28B21307
TrID 34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.8% (.EXE) InstallShield setup (43053/19/16)
18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
dhash icon d2b1e4c4ecb9c7f9 (20 x Smoke Loader, 13 x Stealc, 8 x RedLineStealer)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
b7a53067b4b97c4bcea3aa0e0f7c3366df68f5efc0e7d990dc32a8191fb1f951.exe
Verdict:
Malicious activity
Analysis date:
2024-01-12 10:54:48 UTC
Tags:
loader smoke smokeloader

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

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mokes packed smokeloader
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:
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)
Found malware configuration
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1373621 Sample: 7nCRGuprXB.exe Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 23 gxutc2c.com 2->23 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 7 other signatures 2->41 7 7nCRGuprXB.exe 2->7         started        10 ihftshc 2->10         started        12 ihftshc 2->12         started        signatures3 process4 signatures5 43 Detected unpacking (changes PE section rights) 7->43 45 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->45 47 Maps a DLL or memory area into another process 7->47 14 explorer.exe 38 3 7->14 injected 49 Multi AV Scanner detection for dropped file 10->49 51 Machine Learning detection for dropped file 10->51 53 Checks if the current machine is a virtual machine (disk enumeration) 10->53 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->55 57 Creates a thread in another existing process (thread injection) 12->57 process6 dnsIp7 25 gxutc2c.com 210.182.29.70, 49706, 49707, 49708 LGDACOMLGDACOMCorporationKR Korea Republic of 14->25 19 C:\Users\user\AppData\Roaming\ihftshc, PE32 14->19 dropped 21 C:\Users\user\...\ihftshc:Zone.Identifier, ASCII 14->21 dropped 27 System process connects to network (likely due to code injection or exploit) 14->27 29 Benign windows process drops PE files 14->29 31 Deletes itself after installation 14->31 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->33 file8 signatures9
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-01-11 02:20:54 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Deletes itself
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://gxutc2c.com/tmp/index.php
http://proekt8.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://pirateking.online/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Unpacked files
SH256 hash:
383d07797727802747eeefbc189944bc8438460e492752063d4b899659264e54
MD5 hash:
9bcde9dfa26981ec609bf45b3494e78a
SHA1 hash:
23d424a8dbd67eb4337500271eab6d125ce98702
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
b7a53067b4b97c4bcea3aa0e0f7c3366df68f5efc0e7d990dc32a8191fb1f951
MD5 hash:
9bfe889b239c6e5125f059c5f8d7bb1a
SHA1 hash:
5508bb3f3c7e426d02d6d51161d6205d35ae012c
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 b7a53067b4b97c4bcea3aa0e0f7c3366df68f5efc0e7d990dc32a8191fb1f951

(this sample)

  
Delivery method
Distributed via web download

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