MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd2023e4dfcb089a237eb10a82aacdd092b8c8337b1bdd2f2a3942a5c12cbf8d. 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



Stealc


Vendor detections: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: fd2023e4dfcb089a237eb10a82aacdd092b8c8337b1bdd2f2a3942a5c12cbf8d
SHA3-384 hash: f156ae318c306afe29b16365d46d310a423e744869769b786b0e5e905896d1d940d9472e357184b795bc94e34bc00b45
SHA1 hash: c3704d11047c944d063cd88649794a10b5f7b2a7
MD5 hash: 67e893cdc7d9c0794f7dda0fdc9aa323
humanhash: nineteen-stairway-fifteen-comet
File name:67e893cdc7d9c0794f7dda0fdc9aa323.exe
Download: download sample
Signature Stealc
File size:1'456'640 bytes
First seen:2023-11-12 03:40:25 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 24576:8yc/+yBQ2I7IBeuIs/hVGdJ3D7WdJdYzMrkW7Wy7XoJ8QZWn8C9wbm:rcmy6dwet2jGH/WdJdrr/7L0J+8CE
TLSH T1CA652352B9E8D472E4A197B598F707531B30BC909ABC93AB2248B84F4C65FD07D32736
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 Stealc


Avatar
abuse_ch
Stealc C2:
http://77.91.68.247/c36258786fdc16da.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
385
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Sending a custom TCP request
Behavior that indicates a threat
Searching for the browser window
DNS request
Creating a file
Delayed writing of the file
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
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:
Glupteba, Mystic Stealer, RedLine, Smoke
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of sandbox detection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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 context of a thread in another process (thread injection)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses process hollowing technique
Sigma detected: Stop multiple services
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 steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Glupteba
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Stealc
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341225 Sample: n6ox0quALp.exe Startdate: 12/11/2023 Architecture: WINDOWS Score: 100 195 Multi AV Scanner detection for domain / URL 2->195 197 Found malware configuration 2->197 199 Malicious sample detected (through community Yara rule) 2->199 201 21 other signatures 2->201 13 n6ox0quALp.exe 1 4 2->13         started        16 TypeId.exe 2->16         started        19 rundll32.exe 2->19         started        process3 file4 137 C:\Users\user\AppData\Local\...\oQ3Mx78.exe, PE32 13->137 dropped 139 C:\Users\user\AppData\Local\...\9bz8AZ5.exe, PE32 13->139 dropped 21 oQ3Mx78.exe 1 4 13->21         started        167 Multi AV Scanner detection for dropped file 16->167 169 Machine Learning detection for dropped file 16->169 171 Modifies the context of a thread in another process (thread injection) 16->171 173 2 other signatures 16->173 signatures5 process6 file7 121 C:\Users\user\AppData\Local\...\zZ6Zu91.exe, PE32 21->121 dropped 123 C:\Users\user\AppData\Local\...\8ge864PW.exe, PE32 21->123 dropped 24 zZ6Zu91.exe 1 4 21->24         started        process8 file9 125 C:\Users\user\AppData\Local\...\Mw1Nx15.exe, PE32 24->125 dropped 127 C:\Users\user\AppData\Local\...\7rY92mw.exe, PE32 24->127 dropped 27 7rY92mw.exe 24->27         started        30 Mw1Nx15.exe 1 4 24->30         started        process10 file11 233 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 27->233 235 Maps a DLL or memory area into another process 27->235 237 Checks if the current machine is a virtual machine (disk enumeration) 27->237 239 Creates a thread in another existing process (thread injection) 27->239 33 explorer.exe 27->33 injected 141 C:\Users\user\AppData\Local\...\2Ch2384.exe, PE32 30->141 dropped 143 C:\Users\user\AppData\Local\...\1tN75rZ4.exe, PE32 30->143 dropped 241 Binary is likely a compiled AutoIt script file 30->241 38 1tN75rZ4.exe 12 30->38         started        40 2Ch2384.exe 1 30->40         started        signatures12 process13 dnsIp14 145 190.224.203.37 TelecomArgentinaSAAR Argentina 33->145 147 103.152.79.123 TWIDC-AS-APTWIDCLimitedHK unknown 33->147 149 8 other IPs or domains 33->149 113 C:\Users\user\AppData\Roaming\fbjgcws, PE32 33->113 dropped 115 C:\Users\user\AppData\Local\Temp\FBD6.exe, PE32 33->115 dropped 117 C:\Users\user\AppData\Local\Temp\FA55.exe, PE32+ 33->117 dropped 119 8 other malicious files 33->119 dropped 203 System process connects to network (likely due to code injection or exploit) 33->203 205 Benign windows process drops PE files 33->205 207 Adds a directory exclusion to Windows Defender 33->207 209 Hides that the sample has been downloaded from the Internet (zone.identifier) 33->209 42 717B.exe 33->42         started        46 4A4B.exe 33->46         started        49 903F.exe 33->49         started        57 4 other processes 33->57 211 Binary is likely a compiled AutoIt script file 38->211 213 Found API chain indicative of sandbox detection 38->213 215 Contains functionality to modify clipboard data 38->215 51 chrome.exe 38->51         started        53 chrome.exe 38->53         started        59 8 other processes 38->59 217 Contains functionality to inject code into remote processes 40->217 219 Writes to foreign memory regions 40->219 221 Allocates memory in foreign processes 40->221 223 Injects a PE file into a foreign processes 40->223 55 AppLaunch.exe 12 40->55         started        61 2 other processes 40->61 file15 signatures16 process17 dnsIp18 129 C:\Users\user\AppData\Local\...\toolspub2.exe, PE32 42->129 dropped 131 C:\Users\user\AppData\Local\...\latestX.exe, PE32+ 42->131 dropped 133 C:\Users\user\AppData\Local\Temp\forc.exe, PE32 42->133 dropped 135 2 other malicious files 42->135 dropped 243 Antivirus detection for dropped file 42->243 245 Multi AV Scanner detection for dropped file 42->245 247 Machine Learning detection for dropped file 42->247 249 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 42->249 63 forc.exe 42->63         started        68 31839b57a4f11171d6abc8bbc4451ee4.exe 42->68         started        76 5 other processes 42->76 151 194.49.94.80 EQUEST-ASNL unknown 46->151 251 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 46->251 253 Found many strings related to Crypto-Wallets (likely being stolen) 46->253 255 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 46->255 257 Tries to harvest and steal browser information (history, passwords, etc) 46->257 70 conhost.exe 46->70         started        259 Modifies the context of a thread in another process (thread injection) 49->259 261 Injects a PE file into a foreign processes 49->261 72 903F.exe 49->72         started        153 192.168.2.4 unknown unknown 51->153 155 239.255.255.250 unknown Reserved 51->155 78 3 other processes 51->78 74 chrome.exe 53->74         started        157 5.42.92.43 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 55->157 80 5 other processes 57->80 82 8 other processes 59->82 file19 signatures20 process21 dnsIp22 159 77.91.68.247 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 63->159 97 C:\Users\user\AppData\...\softokn3[1].dll, PE32 63->97 dropped 99 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 63->99 dropped 101 C:\Users\user\AppData\...\mozglue[1].dll, PE32 63->101 dropped 111 9 other files (5 malicious) 63->111 dropped 175 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 63->175 177 Tries to harvest and steal browser information (history, passwords, etc) 63->177 179 Tries to steal Crypto Currency Wallets 63->179 181 Antivirus detection for dropped file 68->181 183 Multi AV Scanner detection for dropped file 68->183 185 Detected unpacking (changes PE section rights) 68->185 193 3 other signatures 68->193 84 cmd.exe 68->84         started        103 C:\Users\user\AppData\Local\...\TypeId.exe, PE32+ 72->103 dropped 105 C:\Users\user\AppData\Local\Temp\Broom.exe, PE32 76->105 dropped 107 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 76->107 dropped 109 C:\Windows\System32\drivers\etc\hosts, ASCII 76->109 dropped 187 Modifies the hosts file 76->187 189 Adds a directory exclusion to Windows Defender 76->189 191 Injects a PE file into a foreign processes 76->191 86 toolspub2.exe 76->86         started        89 Broom.exe 76->89         started        161 104.244.42.131 TWITTERUS United States 78->161 163 104.244.42.193 TWITTERUS United States 78->163 165 74 other IPs or domains 78->165 file23 signatures24 process25 signatures26 91 conhost.exe 84->91         started        93 fodhelper.exe 84->93         started        95 fodhelper.exe 84->95         started        225 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 86->225 227 Maps a DLL or memory area into another process 86->227 229 Checks if the current machine is a virtual machine (disk enumeration) 86->229 231 Creates a thread in another existing process (thread injection) 86->231 process27
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-11-12 03:41:05 UTC
File Type:
PE (Exe)
Extracted files:
174
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:glupteba family:mystic family:redline family:sectoprat family:smokeloader family:stealc family:zgrat botnet:@ytlogsbot botnet:pixelfresh botnet:taiga botnet:up3 backdoor dropper evasion infostealer loader persistence rat stealer trojan
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Delays execution with timeout.exe
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
Launches sc.exe
AutoIT Executable
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Downloads MZ/PE file
Modifies Windows Firewall
Stops running service(s)
Detect Mystic stealer payload
Detect ZGRat V1
Glupteba
Glupteba payload
Mystic
RedLine
RedLine payload
SectopRAT
SectopRAT payload
SmokeLoader
Stealc
ZGRat
Malware Config
C2 Extraction:
http://5.42.92.190/fks/index.php
5.42.92.51:19057
http://77.91.68.247
194.169.175.235:42691
194.49.94.11:80
Unpacked files
SH256 hash:
a7f66057e50910d96a36424eb4da3de8b9cd4a306f9ab0b59362f27409f91e35
MD5 hash:
f562aaab6ca23d0e9b0846e4ed2e2705
SHA1 hash:
c8fc45ff9b31f44f4f79f2f8601ef95146769aae
SH256 hash:
fd2023e4dfcb089a237eb10a82aacdd092b8c8337b1bdd2f2a3942a5c12cbf8d
MD5 hash:
67e893cdc7d9c0794f7dda0fdc9aa323
SHA1 hash:
c3704d11047c944d063cd88649794a10b5f7b2a7
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:detect_Redline_Stealer
Author:Varp0s
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_redline_wextract_hunting_oct_2023
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

Stealc

Executable exe fd2023e4dfcb089a237eb10a82aacdd092b8c8337b1bdd2f2a3942a5c12cbf8d

(this sample)

  
Delivery method
Distributed via web download

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