MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6615e3bc3da0f2036f99b3bbf5aeafd9cb02811f5958dd3259e5013d954d12db. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 6615e3bc3da0f2036f99b3bbf5aeafd9cb02811f5958dd3259e5013d954d12db
SHA3-384 hash: 397a696694b304bb542833e75f663e6004f989be488b244a2b38d345067811dbb08d62c84da5e7400ffd9fedb0ae2a33
SHA1 hash: bfc7a39c8bd89025bd743a862dec62bfeb41933e
MD5 hash: 4a78026b6e37c0e507d46c86581e8c8d
humanhash: equal-stairway-river-monkey
File name:4a78026b6e37c0e507d46c86581e8c8d.exe
Download: download sample
Signature Smoke Loader
File size:321'536 bytes
First seen:2021-08-11 07:32:22 UTC
Last seen:2021-08-11 09:05:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6231284df767c21df684fd42b7674adb (2 x Smoke Loader, 1 x RedLineStealer, 1 x RaccoonStealer)
ssdeep 6144:7kdkdJFQxLjl1+OMDpfkMEBCbE283CrsFOZk0VmyIBF:1dJONCOMDpREgbzHrNk6myIT
Threatray 784 similar samples on MalwareBazaar
TLSH T12E649E30AA90C034F4B712F845BA937CA92D7EA15B3490CF92E556EE47346E8EC31797
dhash icon 62e8e8e8aa66a499 (4 x Smoke Loader, 3 x RaccoonStealer, 1 x CryptBot)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
468
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4a78026b6e37c0e507d46c86581e8c8d.exe
Verdict:
No threats detected
Analysis date:
2021-08-11 07:34:15 UTC
Tags:
n/a

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

Behaviour
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Deleting of the original file
Enabling autorun by creating a file
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
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 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
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
Sigma detected: System File Execution Location Anomaly
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: 463130 Sample: fB44hox51W.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 32 thegymmum.com 2->32 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 4 other signatures 2->54 9 fB44hox51W.exe 2->9         started        12 hrtdbji 2->12         started        signatures3 process4 signatures5 66 Detected unpacking (changes PE section rights) 9->66 68 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->68 70 Maps a DLL or memory area into another process 9->70 72 Creates a thread in another existing process (thread injection) 9->72 14 explorer.exe 2 9->14 injected 74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 78 Checks if the current machine is a virtual machine (disk enumeration) 12->78 process6 dnsIp7 34 thegymmum.com 106.243.14.107, 49722, 49726, 49728 LGDACOMLGDACOMCorporationKR Korea Republic of 14->34 36 aucmoney.com 14->36 38 4 other IPs or domains 14->38 28 C:\Users\user\AppData\Roaming\hrtdbji, PE32 14->28 dropped 30 C:\Users\user\...\hrtdbji:Zone.Identifier, ASCII 14->30 dropped 40 System process connects to network (likely due to code injection or exploit) 14->40 42 Benign windows process drops PE files 14->42 44 Deletes itself after installation 14->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->46 19 F696.exe 2 14->19         started        file8 signatures9 process10 file11 26 C:\ProgramData\Runtimebroker.exe, PE32 19->26 dropped 56 Detected unpacking (changes PE section rights) 19->56 58 Detected unpacking (overwrites its own PE header) 19->58 23 Runtimebroker.exe 19->23         started        signatures12 process13 signatures14 60 Detected unpacking (changes PE section rights) 23->60 62 Detected unpacking (overwrites its own PE header) 23->62 64 Machine Learning detection for dropped file 23->64
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2021-08-10 22:37:34 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:smokeloader family:vidar botnet:517 backdoor discovery evasion persistence stealer suricata trojan
Behaviour
Checks SCSI registry key(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Deletes itself
Drops startup file
Loads dropped DLL
Modifies file permissions
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Modifies Windows Defender Real-time Protection settings
SmokeLoader
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Malware Config
C2 Extraction:
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
https://prophefliloc.tumblr.com/
Dropper Extraction:
http://91.241.19.52/Api/GetFile2
Unpacked files
SH256 hash:
18cd8e90fcd46329480f24d43baa489683b3ee2fcd274bf1714947ef307a6ab2
MD5 hash:
f2fecf6872ad4c61a3a506159fddd4fc
SHA1 hash:
28e039eb96dcf58841992280c66433a2bbab8e84
SH256 hash:
6615e3bc3da0f2036f99b3bbf5aeafd9cb02811f5958dd3259e5013d954d12db
MD5 hash:
4a78026b6e37c0e507d46c86581e8c8d
SHA1 hash:
bfc7a39c8bd89025bd743a862dec62bfeb41933e
Please note that we are no longer able to provide a coverage score for Virus Total.

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 6615e3bc3da0f2036f99b3bbf5aeafd9cb02811f5958dd3259e5013d954d12db

(this sample)

  
Delivery method
Distributed via web download

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