MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57c57303ab13a2a061006556dc2903e53af6eb3fca8a94b8b6561227ac615e41. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57c57303ab13a2a061006556dc2903e53af6eb3fca8a94b8b6561227ac615e41
SHA3-384 hash: 87a54d0ceed18da0387e33e9d64762cf897749c45516e5967b858e172ac00fcbd9d7ef5ee1d7d4b95a88996bd9cbc3c9
SHA1 hash: 20d8c69961a64f2090e9201c3f92a409757c54ca
MD5 hash: 96ababd57b3c510332d71e5110ef73f0
humanhash: hamper-failed-lactose-april
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:173'056 bytes
First seen:2023-01-30 17:50:47 UTC
Last seen:2023-01-30 19:52:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f8fcc5813e8e6da25a98928cf56e1d96 (6 x Smoke Loader, 4 x RedLineStealer, 1 x RecordBreaker)
ssdeep 3072:ERXaHLogUE85Az6XjMPHPtR+IR+xvXU25nzO9s0gk:fLnUE1uTMPHmIRabU
TLSH T1D304E015BD40C073C052453D2524D2357A7EBD325ABAA94B7B48DBEE4FB12D32A2B31B
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 81626e6a6a6a6a64 (1 x Smoke Loader, 1 x RedLineStealer)
Reporter jstrosch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-30 17:51:26 UTC
Tags:
trojan loader smoke
Link:
https://app.any.run/tasks/facab7d7-be51-4941-95c9-c26e9c80d9d9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/358404/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.22130.3240.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Reading critical registry keys
Query of malicious DNS domain
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:
greyware lockbit mokes packed
Link:
https://www.filescan.io/uploads/63d8038a1c9cbf7d625497ca/reports/6dafcbfe-bdc0-4ece-ab66-6f798dcebbfe/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c9b87df9-02ed-4c21-838f-5861837076aa
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161858
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
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)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794610 Sample: file.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 8 file.exe 2->8         started        11 ctwbvut 2->11         started        process3 signatures4 54 Detected unpacking (changes PE section rights) 8->54 56 Maps a DLL or memory area into another process 8->56 58 Checks if the current machine is a virtual machine (disk enumeration) 8->58 13 explorer.exe 4 10 8->13 injected 60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 64 Creates a thread in another existing process (thread injection) 11->64 process5 dnsIp6 32 187.170.238.164, 49727, 49730, 49740 UninetSAdeCVMX Mexico 13->32 34 86.122.83.142, 49725, 49731, 49737 RCS-RDS73-75DrStaicoviciRO Romania 13->34 36 6 other IPs or domains 13->36 26 C:\Users\user\AppData\Roaming\ctwbvut, PE32 13->26 dropped 28 C:\Users\user\AppData\Local\Temp\8DC7.exe, PE32 13->28 dropped 30 C:\Users\user\...\ctwbvut:Zone.Identifier, ASCII 13->30 dropped 66 System process connects to network (likely due to code injection or exploit) 13->66 68 Benign windows process drops PE files 13->68 70 Deletes itself after installation 13->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->72 18 8DC7.exe 1 13->18         started        file7 signatures8 process9 file10 24 C:\Users\user\AppData\...orppuwwrieiyod.dll, PE32 18->24 dropped 46 Multi AV Scanner detection for dropped file 18->46 48 Detected unpacking (changes PE section rights) 18->48 50 Detected unpacking (overwrites its own PE header) 18->50 52 Machine Learning detection for dropped file 18->52 22 rundll32.exe 2 18->22         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57c57303ab13a2a061006556dc2903e53af6eb3fca8a94b8b6561227ac615e41/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-01-30 17:51:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7cxga5lcorkayiamvlnykid4u5pn2z7zkfjjofwkyjcpldblzaq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor collection discovery spyware stealer trojan
Link:
https://tria.ge/reports/230130-we54eabd63/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
08ea880fcddeef49048c5539165d8c1933edfd3b3db1b3094cca96ceaef61f3e
MD5 hash:
da83d0bf0d0302e25abe45a0774566ec
SHA1 hash:
4a6de5f201934b9b0b68c4122b31da99029b44c2
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/0fcfd6d2-6a91-4569-addb-73c34c5f4fe5/
Parent samples :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 hash:
57c57303ab13a2a061006556dc2903e53af6eb3fca8a94b8b6561227ac615e41
MD5 hash:
96ababd57b3c510332d71e5110ef73f0
SHA1 hash:
20d8c69961a64f2090e9201c3f92a409757c54ca
Link:
https://www.unpac.me/results/0fcfd6d2-6a91-4569-addb-73c34c5f4fe5/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57c57303ab13/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/57c57303ab13a2a061006556dc2903e53af6eb3fca8a94b8b6561227ac615e41

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
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

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 57c57303ab13a2a061006556dc2903e53af6eb3fca8a94b8b6561227ac615e41

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2432863/
Cape
Cape
https://www.capesandbox.com/analysis/358404/

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