MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee
SHA3-384 hash: 3e3872a3537f2324188059eb84a40dd0f4441c5f46615132a43c42916a13faac0d599a3aca5a8fc92ecd50c11677bb9f
SHA1 hash: 521eae0390bef9140f9a6e896066515ca7a98c5d
MD5 hash: c725af162ad3190c0b65770fb08fbe23
humanhash: fifteen-happy-arizona-red
File name:c725af162ad3190c0b65770fb08fbe23.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:259'072 bytes
First seen:2024-02-24 19:00:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5dda066d95c830fd85c7c3534c3f1b8d (1 x Stealc, 1 x Vidar, 1 x GCleaner)
ssdeep 3072:yLsGBVVoWaf88khIqzHdWu7zCJDBfukHimJ3a1XMu5Q2e45KaHTz:UdebOLo6+JDNukHbJ3+k2YqT
TLSH T1AB44CF2136F2D4B2C89B81709C74EAF02A7BB8720774C15B37B82F7F6E706915625396
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0500000410100001 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
173.44.141.149:4001

Intelligence

File Origin
# of uploads :
1
# of downloads :
402
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/477626/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending an HTTP GET request to an infection source
Searching for synchronization primitives
Creating a window
Creating a file
Connection attempt
Moving a recently created file
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Query of malicious DNS domain
Connection attempt to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/65da3cef22703c3491aec527/reports/51ad2a85-47a9-4bb1-b5d9-2818fe407b5c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee
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:
Unknown
Link:
https://analyze.intezer.com/analyses/0f115fe2-48eb-4acb-9619-89bda8c1e683
Result
Threat name:
Glupteba, LummaC Stealer, SmokeLoader, S
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1398228
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Contains functionality to inject code into remote processes
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)
Drops PE files with benign system names
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
May use the Tor software to hide its network traffic
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Process Parents
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
Suspicious powershell command line found
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 Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
UAC bypass detected (Fodhelper)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Glupteba
Yara detected LummaC Stealer
Yara detected SmokeLoader
Yara detected Stealc
Yara detected SystemBC
Yara detected UAC Bypass using CMSTP
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1398228 Sample: OShRqF6jNV.exe Startdate: 24/02/2024 Architecture: WINDOWS Score: 100 139 wearethebestin2024.com 2->139 141 trmpc.com 2->141 143 4 other IPs or domains 2->143 191 Snort IDS alert for network traffic 2->191 193 Multi AV Scanner detection for domain / URL 2->193 195 Found malware configuration 2->195 197 21 other signatures 2->197 13 OShRqF6jNV.exe 2->13         started        16 hejefev 2->16         started        18 svchost.exe 21 80 2->18         started        20 2 other processes 2->20 signatures3 process4 signatures5 211 Detected unpacking (changes PE section rights) 13->211 213 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->213 215 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->215 22 explorer.exe 31 25 13->22 injected 217 Maps a DLL or memory area into another process 16->217 219 Checks if the current machine is a virtual machine (disk enumeration) 16->219 221 Creates a thread in another existing process (thread injection) 16->221 27 WerFault.exe 2 18->27         started        29 WerFault.exe 18->29         started        31 WerFault.exe 20->31         started        process6 dnsIp7 145 kamsmad.com 186.147.159.149 TelmexColombiaSACO Colombia 22->145 147 selebration17io.io 91.215.85.120, 49712, 80 PINDC-ASRU Russian Federation 22->147 149 4 other IPs or domains 22->149 101 C:\Users\user\AppData\Roaming\hgjefev, PE32 22->101 dropped 103 C:\Users\user\AppData\Roaming\hejefev, PE32 22->103 dropped 105 C:\Users\user\AppData\Local\Temp\DFB5.exe, PE32 22->105 dropped 107 10 other malicious files 22->107 dropped 199 System process connects to network (likely due to code injection or exploit) 22->199 201 Benign windows process drops PE files 22->201 203 Deletes itself after installation 22->203 205 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->205 33 6BAC.exe 22->33         started        37 8CA3.exe 22->37         started        39 4749.exe 22->39         started        41 5 other processes 22->41 file8 signatures9 process10 file11 93 C:\Users\user\AppData\...\InstallSetup4.exe, PE32 33->93 dropped 95 C:\Users\user\AppData\Local\...\FourthX.exe, PE32+ 33->95 dropped 97 C:\...\288c47bbc1871b439df19ff4df68f076.exe, PE32 33->97 dropped 175 Multi AV Scanner detection for dropped file 33->175 43 InstallSetup4.exe 33->43         started        48 288c47bbc1871b439df19ff4df68f076.exe 33->48         started        50 FourthX.exe 33->50         started        99 C:\Users\user\AppData\Local\Temp\...\8CA3.tmp, PE32 37->99 dropped 52 8CA3.tmp 37->52         started        177 Contains functionality to inject code into remote processes 39->177 179 Drops PE files with benign system names 39->179 181 Injects a PE file into a foreign processes 39->181 54 4749.exe 3 7 39->54         started        183 Antivirus detection for dropped file 41->183 185 Detected unpacking (changes PE section rights) 41->185 187 Detected unpacking (overwrites its own PE header) 41->187 189 7 other signatures 41->189 56 WerFault.exe 21 41->56         started        58 csrss.exe 41->58         started        60 regsvr32.exe 41->60         started        signatures12 process13 dnsIp14 151 5.42.64.33 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 43->151 153 185.172.128.127, 49726, 80 NADYMSS-ASRU Russian Federation 43->153 155 185.172.128.90, 49724, 80 NADYMSS-ASRU Russian Federation 43->155 109 C:\Users\user\AppData\Local\...\INetC.dll, PE32 43->109 dropped 111 C:\Users\user\AppData\Local\...\nsy8668.tmp, PE32 43->111 dropped 113 C:\Users\user\AppData\...\BroomSetup.exe, PE32 43->113 dropped 115 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 43->115 dropped 223 Multi AV Scanner detection for dropped file 43->223 62 nsy8668.tmp 43->62         started        67 BroomSetup.exe 43->67         started        225 Detected unpacking (changes PE section rights) 48->225 227 Detected unpacking (overwrites its own PE header) 48->227 229 UAC bypass detected (Fodhelper) 48->229 231 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 48->231 233 Suspicious powershell command line found 50->233 235 Adds a directory exclusion to Windows Defender 50->235 69 powershell.exe 50->69         started        71 8CA3.exe 52->71         started        157 127.0.0.1 unknown unknown 54->157 159 86.59.21.38 UTA-ASAT Austria 54->159 161 7 other IPs or domains 54->161 117 C:\ProgramData\Drivers\csrss.exe, PE32 54->117 dropped 237 Found Tor onion address 54->237 239 May use the Tor software to hide its network traffic 54->239 file15 signatures16 process17 dnsIp18 163 185.172.128.145 NADYMSS-ASRU Russian Federation 62->163 129 C:\Users\user\AppData\...\softokn3[1].dll, PE32 62->129 dropped 131 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 62->131 dropped 133 C:\Users\user\AppData\...\mozglue[1].dll, PE32 62->133 dropped 137 9 other files (5 malicious) 62->137 dropped 165 Detected unpacking (changes PE section rights) 62->165 167 Detected unpacking (overwrites its own PE header) 62->167 169 Tries to steal Mail credentials (via file / registry access) 62->169 173 4 other signatures 62->173 171 Multi AV Scanner detection for dropped file 67->171 73 cmd.exe 67->73         started        76 FourthX.exe 69->76         started        79 conhost.exe 69->79         started        135 C:\Users\user\AppData\Local\Temp\...\8CA3.tmp, PE32 71->135 dropped 81 8CA3.tmp 71->81         started        file19 signatures20 process21 file22 207 Uses schtasks.exe or at.exe to add and modify task schedules 73->207 83 conhost.exe 73->83         started        85 chcp.com 73->85         started        87 schtasks.exe 73->87         started        119 C:\ProgramData\...\vueqjgslwynd.exe, PE32+ 76->119 dropped 209 Adds a directory exclusion to Windows Defender 76->209 89 powershell.exe 76->89         started        121 C:\Users\user\AppData\...\zlib1.dll (copy), PE32 81->121 dropped 123 C:\Users\user\AppData\...\unins000.exe (copy), PE32 81->123 dropped 125 C:\Users\user\AppData\Local\...\trafaret.exe, PE32 81->125 dropped 127 27 other files (24 malicious) 81->127 dropped signatures23 process24 process25 91 conhost.exe 89->91         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-02-24 19:01:06 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tdb5spxldqyttrjq35fkmjylwppxyjaurzy7dfojffegcnuhf3xa._file
Verdict:
malicious
Result
Malware family:
systembc
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:smokeloader family:stealc family:systembc botnet:pub1 backdoor bootkit discovery dropper evasion loader persistence stealer trojan upx
Link:
https://tria.ge/reports/240224-xn7t2ace9s/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Launches sc.exe
Suspicious use of SetThreadContext
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Deletes itself
Executes dropped EXE
Loads dropped DLL
UPX packed file
Contacts a large (642) amount of remote hosts
Creates new service(s)
Downloads MZ/PE file
Stops running service(s)
Glupteba
Glupteba payload
SmokeLoader
Stealc
SystemBC
Malware Config
C2 Extraction:
http://selebration17io.io/index.php
http://vacantion18ffeu.cc/index.php
http://valarioulinity1.net/index.php
http://buriatiarutuhuob.net/index.php
http://cassiosssionunu.me/index.php
http://sulugilioiu19.net/index.php
http://goodfooggooftool.net/index.php
http://kamsmad.com/tmp/index.php
http://souzhensil.ru/tmp/index.php
http://teplokub.com.ua/tmp/index.php
173.44.141.149:4001
153.92.222.162:4001
http://185.172.128.145
Unpacked files
SH256 hash:
e23e8cfb01d2dff9f88d9a351e78867af0b6065371e4dd0324cbe2288927ea80
MD5 hash:
3a4ed517bb6f47b9b9b93ffdd002d5ea
SHA1 hash:
b4ba36d60c7f0c7c2516b6678d3c14993182de2a
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/3b50ea83-f307-4cfa-91b4-424537a26284/
Parent samples :
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84c81970d4af15114473225603bae7517743476e0bb4fc65dc0f890cf61e7ca6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 hash:
98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee
MD5 hash:
c725af162ad3190c0b65770fb08fbe23
SHA1 hash:
521eae0390bef9140f9a6e896066515ca7a98c5d
Link:
https://www.unpac.me/results/3b50ea83-f307-4cfa-91b4-424537a26284/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/98c3d93eeb1c/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/98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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

Stealc

Executable exe 98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2725854/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/477626/

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