MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d
SHA3-384 hash: 0ae73016f5aa83c52a4fd481af322f8cc8920f05d60c4fb7a16eaaba0a865c567d6ae06308836e699b16c81495810072
SHA1 hash: 588a6c6dcb784a87c8c3782d4e91f50793eedf9a
MD5 hash: fa951d632a6b1c8efb577fc5b43a64b5
humanhash: winter-sierra-one-ack
File name:fa951d632a6b1c8efb577fc5b43a64b5.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:1'459'712 bytes
First seen:2023-11-12 19:06:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 24576:8yPOzyS5WantLziGntWerIsjXUG1mTDtlaSgeje9seOmJPQiGqakesi6z:rlZ8tLWGnUekgEGc+SzC4Hqak
Threatray 3'235 similar samples on MalwareBazaar
TLSH T1A76523A27DE44073D5F91730CCF7069B06367CF1AE7C422A72899D970CB26AAB934365
TrID 70.4% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
11.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
348
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28840.BadO.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Agent.EAOQ.26295.2066.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Launching a process
Searching for the browser window
Searching for the window
DNS request
Sending a custom TCP request
Behavior that indicates a threat
Reading critical registry keys
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
89%
Tags:
advpack anti-vm CAB control explorer greyware installer lolbin lolbin packed rundll32 setupapi sfx shell32
Link:
https://www.filescan.io/uploads/655122583b0c3d66260948dd/reports/36ca97d6-00a6-49b8-a877-48917d2fa626/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9358b0bc-77a0-495d-85ba-1732457347b0
Result
Threat name:
Glupteba, Mystic Stealer, RedLine, Smoke
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341387
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Binary is likely a compiled AutoIt script file
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 inject code into remote processes
Contains functionality to modify clipboard data
Creates a thread in another existing process (thread injection)
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops script or batch files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Modifies the hosts file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
Phishing site detected (based on logo match)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Drops script at startup location
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341387 Sample: 8Mo5mJpITY.exe Startdate: 12/11/2023 Architecture: WINDOWS Score: 100 215 Multi AV Scanner detection for domain / URL 2->215 217 Found malware configuration 2->217 219 Malicious sample detected (through community Yara rule) 2->219 221 20 other signatures 2->221 13 8Mo5mJpITY.exe 1 4 2->13         started        16 rundll32.exe 2->16         started        18 rundll32.exe 2->18         started        20 rundll32.exe 2->20         started        process3 file4 159 C:\Users\user\AppData\Local\...\Ia3cO08.exe, PE32 13->159 dropped 161 C:\Users\user\AppData\Local\...\9yR3LL2.exe, PE32 13->161 dropped 22 Ia3cO08.exe 1 4 13->22         started        process5 file6 121 C:\Users\user\AppData\Local\...\QX6jY18.exe, PE32 22->121 dropped 123 C:\Users\user\AppData\Local\...\8Ui694dn.exe, PE32 22->123 dropped 25 QX6jY18.exe 1 4 22->25         started        process7 file8 141 C:\Users\user\AppData\Local\...\Qb7Pk11.exe, PE32 25->141 dropped 143 C:\Users\user\AppData\Local\...\7TG93zJ.exe, PE32 25->143 dropped 28 7TG93zJ.exe 25->28         started        31 Qb7Pk11.exe 1 4 25->31         started        process9 file10 269 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->269 271 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 28->271 273 Maps a DLL or memory area into another process 28->273 277 2 other signatures 28->277 34 explorer.exe 28->34 injected 163 C:\Users\user\AppData\Local\...\2iq2723.exe, PE32 31->163 dropped 165 C:\Users\user\AppData\Local\...\1gT33kS4.exe, PE32 31->165 dropped 275 Binary is likely a compiled AutoIt script file 31->275 39 1gT33kS4.exe 12 31->39         started        41 2iq2723.exe 1 31->41         started        signatures11 process12 dnsIp13 173 185.196.9.161 SIMPLECARRIERCH Switzerland 34->173 175 5.42.64.16 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 34->175 177 5 other IPs or domains 34->177 113 C:\Users\user\AppData\Roaming\bgigcre, PE32 34->113 dropped 115 C:\Users\user\AppData\Local\TempDC6.exe, PE32 34->115 dropped 117 C:\Users\user\AppData\Local\Temp98C.exe, PE32 34->117 dropped 119 6 other malicious files 34->119 dropped 223 System process connects to network (likely due to code injection or exploit) 34->223 225 Benign windows process drops PE files 34->225 227 Adds a directory exclusion to Windows Defender 34->227 229 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->229 43 7AA4.exe 34->43         started        47 57F8.exe 34->47         started        50 powershell.exe 34->50         started        231 Binary is likely a compiled AutoIt script file 39->231 233 Found API chain indicative of sandbox detection 39->233 235 Contains functionality to modify clipboard data 39->235 52 chrome.exe 39->52         started        54 chrome.exe 1 39->54         started        56 chrome.exe 39->56         started        62 7 other processes 39->62 237 Contains functionality to inject code into remote processes 41->237 239 Writes to foreign memory regions 41->239 241 Allocates memory in foreign processes 41->241 243 Injects a PE file into a foreign processes 41->243 58 AppLaunch.exe 12 41->58         started        60 conhost.exe 41->60         started        file14 signatures15 process16 dnsIp17 145 C:\Users\user\AppData\Local\...\toolspub2.exe, PE32 43->145 dropped 147 C:\Users\user\AppData\Local\Temp\random.exe, PE32 43->147 dropped 149 C:\Users\user\AppData\Local\...\latestX.exe, PE32+ 43->149 dropped 151 2 other malicious files 43->151 dropped 279 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 43->279 64 random.exe 43->64         started        67 toolspub2.exe 43->67         started        75 5 other processes 43->75 189 194.49.94.80 EQUEST-ASNL unknown 47->189 281 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 47->281 69 conhost.exe 47->69         started        71 conhost.exe 50->71         started        78 2 other processes 52->78 191 192.168.2.6 unknown unknown 54->191 193 239.255.255.250 unknown Reserved 54->193 80 3 other processes 54->80 73 chrome.exe 56->73         started        195 5.42.92.43 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 58->195 83 7 other processes 62->83 file18 signatures19 process20 dnsIp21 197 Writes to foreign memory regions 64->197 199 Allocates memory in foreign processes 64->199 201 Adds a directory exclusion to Windows Defender 64->201 85 CasPol.exe 64->85         started        90 powershell.exe 64->90         started        203 Detected unpacking (changes PE section rights) 67->203 205 Injects a PE file into a foreign processes 67->205 92 toolspub2.exe 67->92         started        153 C:\Users\user\AppData\Local\Temp\Broom.exe, PE32 75->153 dropped 155 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 75->155 dropped 157 C:\Windows\System32\drivers\etc\hosts, ASCII 75->157 dropped 207 Detected unpacking (overwrites its own PE header) 75->207 209 Found Tor onion address 75->209 211 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 75->211 213 Modifies the hosts file 75->213 94 Broom.exe 75->94         started        96 consent.exe 78->96         started        98 consent.exe 78->98         started        100 Conhost.exe 78->100         started        167 104.244.42.130 TWITTERUS United States 80->167 169 104.244.42.193 TWITTERUS United States 80->169 171 64 other IPs or domains 80->171 file22 signatures23 process24 dnsIp25 179 111.90.146.230 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 85->179 181 107.167.110.211 OPERASOFTWAREUS United States 85->181 183 19 other IPs or domains 85->183 125 C:\Users\...\ztkbiWdwBbolQEGM6aIFg5J1.exe, PE32 85->125 dropped 127 C:\Users\...\zhhbcoAFax0WcsiEJuMHlIE6.exe, PE32+ 85->127 dropped 129 C:\Users\...\yEwIWmS7XlgqTMoUooSY4WNE.exe, PE32+ 85->129 dropped 131 265 other malicious files 85->131 dropped 245 Drops script or batch files to the startup folder 85->245 247 Creates HTML files with .exe extension (expired dropper behavior) 85->247 102 iZ1jnVed68arHIVWcnTgQz2K.exe 85->102         started        107 ppttynG4m3BbfeC0mR2kPsyw.exe 85->107         started        109 wzkI1LhjOvh8ZpGEqeZC9ir2.exe 85->109         started        111 conhost.exe 90->111         started        249 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 92->249 251 Maps a DLL or memory area into another process 92->251 253 Checks if the current machine is a virtual machine (disk enumeration) 92->253 255 Creates a thread in another existing process (thread injection) 92->255 257 Writes to foreign memory regions 96->257 file26 signatures27 process28 dnsIp29 185 149.154.167.99 TELEGRAMRU United Kingdom 102->185 187 168.119.173.77 HETZNER-ASDE Germany 102->187 133 C:\Users\user\AppData\...\softokn3[1].dll, PE32 102->133 dropped 135 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 102->135 dropped 137 C:\Users\user\AppData\...\mozglue[1].dll, PE32 102->137 dropped 139 9 other files (5 malicious) 102->139 dropped 259 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 102->259 261 Tries to harvest and steal ftp login credentials 102->261 263 Tries to harvest and steal browser information (history, passwords, etc) 102->263 265 Detected unpacking (changes PE section rights) 107->265 267 Detected unpacking (overwrites its own PE header) 107->267 file30 signatures31
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-12 19:07:06 UTC
File Type:
PE (Exe)
Extracted files:
174
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ifdhtkik7mdmp6eepfdzz2pipk2el2kxq4zhigbxczr3ntxdmgq._file
Verdict:
unknown
Similar samples:
1375f86609d8fe34f907a85a718851c42109bfda03d3000394d04fe63d8a1b7e
Smoke Loader
237dd269593914e0571b27022a25a61f4fb3a1af73c66e39711c611f0a7985e3
Smoke Loader
7bf2f95c02d6a67164588318e925ce09a8da25f5f5f71e50a3fcd84bf84c91f0
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ec7009dcfa00590b20f95acf3a8989e0a9b0dc3a8a339e74847e5f2f8dff999b
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f8e284bd0abd20b927c85a295144921ccdb547701cc0bf724f9ca60fbaea124e
Smoke Loader
+ 3'225 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:mystic family:redline family:smokeloader botnet:taiga backdoor infostealer persistence stealer trojan
Link:
https://tria.ge/reports/231112-xsn8gsah2t/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
AutoIT Executable
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Detect Mystic stealer payload
Mystic
RedLine
RedLine payload
SmokeLoader
Malware Config
C2 Extraction:
http://5.42.92.190/fks/index.php
5.42.92.51:19057
Unpacked files
SH256 hash:
8a8b2f359ab582d29f82e20d2249a4b33aadbce0a83c23c01dced51d566655ca
MD5 hash:
3c64b52faea5d6af7d78f5dc36acaaf1
SHA1 hash:
1c19c39fee97e70c10eb5de8ee54fdcc8ad49969
Link:
https://www.unpac.me/results/00e64704-9c3b-4d75-9b9f-d36cc7046de0/
SH256 hash:
46d73000badea343d2cb0847c368847c37606303018f3c4978d01873e0b4fb82
MD5 hash:
91df744d778858b578e9e1200e3644ae
SHA1 hash:
0ad8bc6a8b89368b135918e95f1e6b49150192f1
Link:
https://www.unpac.me/results/00e64704-9c3b-4d75-9b9f-d36cc7046de0/
Parent samples :
dd49ae56ccd5824fe4f6b62ed6b3b3466a40e56163c23adee63b9b26d96b09c5
afa1a1360224b51648fe7c1cb3233199f0c9c41605d0a7107dfc050ec4d6c733
3e7af42c2132ad7ca46675fcc364bbfff19ed9a9b6e7c1416215334bcc1e6a27
30befd088724719df66035cff6175ec647a4e80ec049eb84ba0a769e08c9e60c
SH256 hash:
6d7c1999e9d593f40173309b80506262dc39809d5b5915f4afd086c6f7472e3e
MD5 hash:
a3eec45065753296454c55baf7fe4f00
SHA1 hash:
46098110ccbb06b38726809cfab39c06cfec5187
Detections:
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/00e64704-9c3b-4d75-9b9f-d36cc7046de0/
Parent samples :
f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d
3e7af42c2132ad7ca46675fcc364bbfff19ed9a9b6e7c1416215334bcc1e6a27
SH256 hash:
f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d
MD5 hash:
fa951d632a6b1c8efb577fc5b43a64b5
SHA1 hash:
588a6c6dcb784a87c8c3782d4e91f50793eedf9a
Link:
https://www.unpac.me/results/00e64704-9c3b-4d75-9b9f-d36cc7046de0/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f20a33cd4857/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/f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d

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:detect_Redline_Stealer
Create hunting rule
Author:Varp0s
Rule name:win_redline_wextract_hunting_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects wextract archives related to redline/amadey

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 f20a33cd4857d8363fc423ca3ce74f43d5a22f4abc3993a0c1b8b31db6771b0d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2729439/
  
Delivery method
Distributed via web download

Comments