MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 271ef3d1c323cc5e26fc653259ee79c6c06cf38509c37b0d669710841a60f5a6. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 271ef3d1c323cc5e26fc653259ee79c6c06cf38509c37b0d669710841a60f5a6
SHA3-384 hash: 990a87cf52b609d812e90640bce73c1532cf6f6d71331251c236ec74572aaf8c14cbf73a632148cd43185cfeacf6aaa2
SHA1 hash: 24ea285654362adea5504b57f6a7c660f9ecb1ed
MD5 hash: 9a055238742093cce2d43b885779cdb2
humanhash: jersey-maryland-iowa-four
File name:9a055238742093cce2d43b885779cdb2.exe
Download: download sample
Signature Smoke Loader
File size:285'696 bytes
First seen:2021-08-19 13:08:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8f4452ee838d99d134cdfb5637fb01d7 (4 x Smoke Loader, 2 x RaccoonStealer, 2 x Amadey)
ssdeep 6144:Tdu9QJPA6Tq46V+YXZCYkQGbdb2zE3ujwaaRIFB/M3c6:5pA6W46V+wCYkxBKWu9rFN6
Threatray 1'091 similar samples on MalwareBazaar
TLSH T19A548D107690C035E5E613F558B983B96B29BDB09B2051EF62C63BEE67382D49C3037B
dhash icon ead8a89cc6e68ee0 (43 x RaccoonStealer, 31 x RedLineStealer, 20 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9a055238742093cce2d43b885779cdb2.exe
Verdict:
No threats detected
Analysis date:
2021-08-19 13:09:50 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 custom TCP request
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
Creating a process from a recently created file
Deleting of the original file
Enabling autorun by creating a file
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.
Result
Threat name:
RedLine SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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 infect the boot sector
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
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)
Hides threads from debuggers
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 468236 Sample: 00Em00V2Cf.exe Startdate: 19/08/2021 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected SmokeLoader 2->54 56 6 other signatures 2->56 8 00Em00V2Cf.exe 2->8         started        11 thuggre 2->11         started        process3 signatures4 70 Detected unpacking (changes PE section rights) 8->70 72 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->72 74 Maps a DLL or memory area into another process 8->74 76 Creates a thread in another existing process (thread injection) 8->76 13 explorer.exe 7 8->13 injected 78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 82 Checks if the current machine is a virtual machine (disk enumeration) 11->82 process5 dnsIp6 44 atvcampingtrips.com 61.98.7.133, 49688, 49689, 49690 SKB-ASSKBroadbandCoLtdKR Korea Republic of 13->44 46 193.142.59.134, 49694, 49709, 80 HOSTSLICK-GERMANYNL Netherlands 13->46 48 3 other IPs or domains 13->48 30 C:\Users\user\AppData\Roaming\thuggre, PE32 13->30 dropped 32 C:\Users\user\AppData\Local\Temp0ED.exe, PE32 13->32 dropped 34 C:\Users\user\AppData\Local\Temp\C527.exe, PE32 13->34 dropped 36 C:\Users\user\...\thuggre:Zone.Identifier, ASCII 13->36 dropped 84 System process connects to network (likely due to code injection or exploit) 13->84 86 Benign windows process drops PE files 13->86 88 Deletes itself after installation 13->88 90 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->90 18 1B67.exe 14 23 13->18         started        22 E0ED.exe 13->22         started        24 C527.exe 15 3 13->24         started        file7 signatures8 process9 dnsIp10 38 api.ip.sb 18->38 40 188.124.36.242, 25802, 49725 SELECTELRU Russian Federation 18->40 58 Detected unpacking (changes PE section rights) 18->58 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->60 62 Query firmware table information (likely to detect VMs) 18->62 68 6 other signatures 18->68 26 conhost.exe 18->26         started        64 Machine Learning detection for dropped file 22->64 66 Contains functionality to infect the boot sector 22->66 42 185.215.113.29, 8889 WHOLESALECONNECTIONSNL Portugal 24->42 28 conhost.exe 24->28         started        signatures11 process12
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-08-19 10:36:59 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:redline family:smokeloader backdoor bootkit discovery infostealer persistence 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 WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Writes to the Master Boot Record (MBR)
Deletes itself
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Executes dropped EXE
RedLine
RedLine Payload
SmokeLoader
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/
185.215.113.29:8889
Unpacked files
SH256 hash:
18cd8e90fcd46329480f24d43baa489683b3ee2fcd274bf1714947ef307a6ab2
MD5 hash:
f2fecf6872ad4c61a3a506159fddd4fc
SHA1 hash:
28e039eb96dcf58841992280c66433a2bbab8e84
SH256 hash:
271ef3d1c323cc5e26fc653259ee79c6c06cf38509c37b0d669710841a60f5a6
MD5 hash:
9a055238742093cce2d43b885779cdb2
SHA1 hash:
24ea285654362adea5504b57f6a7c660f9ecb1ed
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 271ef3d1c323cc5e26fc653259ee79c6c06cf38509c37b0d669710841a60f5a6

(this sample)

  
Delivery method
Distributed via web download

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