MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37c66c116542b8671e06e1db3277d61bed3ddc0750d43b33d9467a5c90172b28. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 37c66c116542b8671e06e1db3277d61bed3ddc0750d43b33d9467a5c90172b28
SHA3-384 hash: f3ce6f2c6c4a3b1737ffede94615637eaa324a80912a3310edb853942bf2842a5c6b864d72da2c9c5af0dce357959060
SHA1 hash: 0ba35fd105af7984ccaabb30fc375bf4343afa43
MD5 hash: 295718024afc9cf1ab5fc4afc84ca3d5
humanhash: lactose-oxygen-may-eleven
File name:file
Download: download sample
Signature Smoke Loader
File size:282'624 bytes
First seen:2022-10-10 16:30:28 UTC
Last seen:2022-10-10 17:27:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ae11519a6eac288b6a17a0c03e5a652c (10 x Smoke Loader, 2 x GCleaner, 1 x DanaBot)
ssdeep 6144:rZEBwLCviTowyUss9/wWeVciDrwVfquS:rUvikQsshDezDd
Threatray 860 similar samples on MalwareBazaar
TLSH T13454DF317592C8B1C2051170A41ACFE06B7EEDB149348A473B652B6D6EB3380667BF5F
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 38b078eccacccc43 (88 x Smoke Loader, 38 x Stop, 33 x RedLineStealer)
Reporter andretavare5
Tags:exe Smoke Loader


Avatar
andretavare5
Sample downloaded from http://guluiiiimnstrannaer.net/dl/6523.exe

Intelligence


File Origin
# of uploads :
23
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Creating a file in the system32 subdirectories
Creating a file
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
greyware
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:
CryptOne, Djvu, RedLine, SmokeLoader
Detection:
malicious
Classification:
rans.troj.spyw.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)
Detected unpacking (overwrites its own PE header)
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
Injects code into the Windows Explorer (explorer.exe)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected CryptOne packer
Yara detected Djvu Ransomware
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 719612 Sample: file.exe Startdate: 10/10/2022 Architecture: WINDOWS Score: 100 64 winnlinne.com 2->64 66 il-designs.com 2->66 68 2 other IPs or domains 2->68 78 Snort IDS alert for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 84 9 other signatures 2->84 10 file.exe 2->10         started        13 wwrdedt 2->13         started        15 arrdedt 2->15         started        signatures3 process4 signatures5 116 Detected unpacking (changes PE section rights) 10->116 118 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->118 120 Maps a DLL or memory area into another process 10->120 124 2 other signatures 10->124 17 explorer.exe 3 19 10->17 injected 122 Machine Learning detection for dropped file 13->122 process6 dnsIp7 58 179.43.163.115, 49703, 80 PLI-ASCH Panama 17->58 60 45.138.74.230, 49704, 80 HOSTGLOBALPLUS-ASRU Russian Federation 17->60 62 10 other IPs or domains 17->62 48 C:\Users\user\AppData\Roaming\wwrdedt, PE32 17->48 dropped 50 C:\Users\user\AppData\Roaming\arrdedt, PE32 17->50 dropped 52 C:\Users\user\AppData\Local\Temp\FD4.exe, PE32 17->52 dropped 54 7 other malicious files 17->54 dropped 86 System process connects to network (likely due to code injection or exploit) 17->86 88 Benign windows process drops PE files 17->88 90 Injects code into the Windows Explorer (explorer.exe) 17->90 92 3 other signatures 17->92 22 A25.exe 17->22         started        25 explorer.exe 6 17->25         started        28 159.exe 17->28         started        30 6 other processes 17->30 file8 signatures9 process10 dnsIp11 94 Detected unpacking (changes PE section rights) 22->94 96 Machine Learning detection for dropped file 22->96 98 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->98 114 3 other signatures 22->114 70 192.168.2.1 unknown unknown 25->70 72 furubujjul.net 25->72 100 System process connects to network (likely due to code injection or exploit) 25->100 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->102 104 Tries to steal Mail credentials (via file / registry access) 25->104 106 Tries to harvest and steal browser information (history, passwords, etc) 25->106 108 Multi AV Scanner detection for dropped file 28->108 110 Injects a PE file into a foreign processes 28->110 32 159.exe 1 14 28->32         started        74 217.195.155.154, 49721, 8081 SHOCK-1US Netherlands 30->74 76 get.geojs.io 104.26.1.100, 443, 49728 CLOUDFLARENETUS United States 30->76 112 Detected unpacking (overwrites its own PE header) 30->112 36 regsvr32.exe 30->36         started        38 WerFault.exe 30->38         started        40 WerFault.exe 30->40         started        42 5 other processes 30->42 signatures12 process13 dnsIp14 56 api.2ip.ua 162.0.217.254, 443, 49711, 49776 ACPCA Canada 32->56 46 C:\Users\user\AppData\Local\...\159.exe, PE32 32->46 dropped 44 icacls.exe 32->44         started        file15 process16
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-10 16:31:08 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:smokeloader family:vidar botnet:517 backdoor collection discovery persistence ransomware spyware stealer trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Detects Smokeloader packer
Djvu Ransomware
SmokeLoader
Vidar
Malware Config
C2 Extraction:
http://winnlinne.com/lancer/get.php
https://t.me/larsenup
https://ioc.exchange/@zebra54
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

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments