MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5db3ec41ae7137a8fa030fbf8d923a3f3faa0a75a01f3399944caf28b03acde4. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments

SHA256 hash: 5db3ec41ae7137a8fa030fbf8d923a3f3faa0a75a01f3399944caf28b03acde4
SHA3-384 hash: 8d861e85671816d38df708b3cdd9d1917419ddc926ab3e9a86e4c8205f3aa509989de4acc9e3700b2464f71f420416ff
SHA1 hash: caadefaf5abd654f5c33fa495113cd34c07a0c79
MD5 hash: 407a0ad99960af1965087969af233fb0
humanhash: alaska-georgia-zulu-yankee
File name:file
Download: download sample
Signature Stealc
File size:214'528 bytes
First seen:2024-03-16 16:10:47 UTC
Last seen:2024-03-16 17:26:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4579d21a0e9605f673d9c393af3cdfd9 (1 x Stealc, 1 x Smoke Loader)
ssdeep 3072:g6Dz6hKHzisJhMR2nE4ynBQIjN6Wwe9w1RBeg8+/yGNV:hDKSzBGjIdekRBeA
TLSH T1EF24AF0177A2D821D661CB304A66F6EC562EBC80DEF5514FB2C43ADF1DB17D0897A32A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 3370ecd2c4f0339a (3 x Stealc, 2 x Smoke Loader, 1 x LummaStealer)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: https://fajus.net/987123.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
393
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
5db3ec41ae7137a8fa030fbf8d923a3f3faa0a75a01f3399944caf28b03acde4.exe
Verdict:
Malicious activity
Analysis date:
2024-03-16 16:13:00 UTC
Tags:
loader smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Launching a process
Sending an HTTP GET request to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Query of malicious DNS domain
Connection attempt to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
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:
LummaC, Glupteba, LummaC Stealer, Mars S
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
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
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)
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)
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
LummaC encrypted strings found
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
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Overwrites Mozilla Firefox settings
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Sigma detected: Silenttrinity Stager Msbuild Activity
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)
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Glupteba
Yara detected LummaC Stealer
Yara detected Mars stealer
Yara detected SmokeLoader
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410202 Sample: file.exe Startdate: 16/03/2024 Architecture: WINDOWS Score: 100 147 trmpc.com 2->147 149 slim.dofuly.info 2->149 151 6 other IPs or domains 2->151 199 Snort IDS alert for network traffic 2->199 201 Multi AV Scanner detection for domain / URL 2->201 203 Found malware configuration 2->203 205 24 other signatures 2->205 12 file.exe 2->12         started        15 agehdrg 2->15         started        17 svchost.exe 2->17         started        19 F608.exe 2->19         started        signatures3 process4 signatures5 215 Detected unpacking (changes PE section rights) 12->215 217 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->217 219 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->219 221 Creates a thread in another existing process (thread injection) 12->221 21 explorer.exe 67 22 12->21 injected 223 Multi AV Scanner detection for dropped file 15->223 225 Maps a DLL or memory area into another process 15->225 227 Checks if the current machine is a virtual machine (disk enumeration) 15->227 26 textultraedit.exe 15->26         started        28 WerFault.exe 17->28         started        30 WerFault.exe 17->30         started        process6 dnsIp7 153 selebration17io.io 91.215.85.120, 49735, 80 PINDC-ASRU Russian Federation 21->153 155 185.172.128.19, 49740, 80 NADYMSS-ASRU Russian Federation 21->155 157 3 other IPs or domains 21->157 101 C:\Users\user\AppData\Roaming\guehdrg, PE32 21->101 dropped 103 C:\Users\user\AppData\Roaming\agehdrg, PE32 21->103 dropped 105 C:\Users\user\AppData\Local\Temp\F608.exe, PE32 21->105 dropped 109 7 other malicious files 21->109 dropped 207 System process connects to network (likely due to code injection or exploit) 21->207 209 Benign windows process drops PE files 21->209 211 Deletes itself after installation 21->211 213 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->213 32 C418.exe 5 21->32         started        36 E742.exe 21->36         started        38 A9A8.exe 2 21->38         started        40 4 other processes 21->40 107 C:\...\DirectSoundDriver 2.36.198.64.exe, PE32 26->107 dropped file8 signatures9 process10 dnsIp11 91 C:\Users\user\AppData\Local\Temp\april.exe, PE32 32->91 dropped 93 C:\Users\user\...\InstallSetup_four.exe, PE32 32->93 dropped 95 C:\...\288c47bbc1871b439df19ff4df68f076.exe, PE32 32->95 dropped 181 Multi AV Scanner detection for dropped file 32->181 43 InstallSetup_four.exe 32->43         started        48 april.exe 32->48         started        50 288c47bbc1871b439df19ff4df68f076.exe 32->50         started        97 C:\Users\user\AppData\Local\Temp\...742.tmp, PE32 36->97 dropped 52 E742.tmp 36->52         started        99 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 38->99 dropped 183 Writes to foreign memory regions 38->183 185 Allocates memory in foreign processes 38->185 187 Sample uses process hollowing technique 38->187 195 2 other signatures 38->195 54 MSBuild.exe 38->54         started        56 MSBuild.exe 38->56         started        159 resergvearyinitiani.shop 172.67.217.100 CLOUDFLARENETUS United States 40->159 189 Detected unpacking (changes PE section rights) 40->189 191 Detected unpacking (overwrites its own PE header) 40->191 193 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 40->193 197 8 other signatures 40->197 58 regsvr32.exe 40->58         started        60 WerFault.exe 40->60         started        file12 signatures13 process14 dnsIp15 161 185.172.128.126 NADYMSS-ASRU Russian Federation 43->161 163 185.172.128.187, 49748, 80 NADYMSS-ASRU Russian Federation 43->163 165 185.172.128.90, 49746, 80 NADYMSS-ASRU Russian Federation 43->165 121 C:\Users\user\AppData\Local\Temp\u5eg.1.exe, PE32 43->121 dropped 123 C:\Users\user\AppData\Local\Temp\u5eg.0.exe, PE32 43->123 dropped 229 Multi AV Scanner detection for dropped file 43->229 231 Detected unpacking (changes PE section rights) 43->231 233 Detected unpacking (overwrites its own PE header) 43->233 62 u5eg.0.exe 43->62         started        67 u5eg.1.exe 43->67         started        69 WerFault.exe 43->69         started        125 C:\Users\user\AppData\Local\...\april.tmp, PE32 48->125 dropped 71 april.tmp 48->71         started        235 UAC bypass detected (Fodhelper) 50->235 237 Found Tor onion address 50->237 239 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 50->239 73 E742.exe 52->73         started        167 herdbescuitinjurywu.shop 172.67.206.194, 443, 49736, 49737 CLOUDFLARENETUS United States 54->167 241 Query firmware table information (likely to detect VMs) 54->241 243 Found many strings related to Crypto-Wallets (likely being stolen) 54->243 245 Tries to steal Crypto Currency Wallets 54->245 file16 signatures17 process18 dnsIp19 169 185.172.128.145 NADYMSS-ASRU Russian Federation 62->169 137 C:\Users\user\AppData\...GCBFIEHIE.exe, PE32 62->137 dropped 139 C:\Users\user\AppData\...\softokn3[1].dll, PE32 62->139 dropped 141 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 62->141 dropped 145 11 other files (7 malicious) 62->145 dropped 171 Detected unpacking (changes PE section rights) 62->171 173 Detected unpacking (overwrites its own PE header) 62->173 175 Tries to steal Mail credentials (via file / registry access) 62->175 179 6 other signatures 62->179 177 Multi AV Scanner detection for dropped file 67->177 75 cmd.exe 67->75         started        77 april.exe 71->77         started        143 C:\Users\user\AppData\Local\Temp\...742.tmp, PE32 73->143 dropped 80 E742.tmp 73->80         started        file20 signatures21 process22 file23 82 conhost.exe 75->82         started        84 chcp.com 75->84         started        127 C:\Users\user\AppData\Local\...\april.tmp, PE32 77->127 dropped 86 april.tmp 77->86         started        129 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 80->129 dropped 131 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 80->131 dropped 133 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 80->133 dropped 135 15 other files (14 malicious) 80->135 dropped 89 bracketsplus.exe 80->89         started        process24 file25 111 C:\Users\user\AppData\...\unins000.exe (copy), PE32 86->111 dropped 113 C:\Users\user\AppData\...\textultraedit.exe, PE32 86->113 dropped 115 C:\Users\user\...\libwinpthread-1.dll (copy), PE32 86->115 dropped 119 15 other files (14 malicious) 86->119 dropped 117 C:\...\PrintWorkflow 1.34.199.65.exe, PE32 89->117 dropped
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-03-16 16:11:05 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat family:glupteba family:lumma family:smokeloader family:stealc botnet:pub1 backdoor bootkit discovery dropper evasion infostealer loader persistence rat rootkit spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies system certificate store
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Manipulates WinMonFS driver.
Writes to the Master Boot Record (MBR)
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Downloads MZ/PE file
Modifies Windows Firewall
DcRat
Glupteba
Glupteba payload
Lumma Stealer
SmokeLoader
Stealc
Windows security bypass
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://nidoe.org/tmp/index.php
http://sodez.ru/tmp/index.php
http://uama.com.ua/tmp/index.php
http://talesofpirates.net/tmp/index.php
http://185.172.128.145
https://herdbescuitinjurywu.shop/api
https://colorfulequalugliess.shop/api
https://resergvearyinitiani.shop/api
Unpacked files
SH256 hash:
e23e8cfb01d2dff9f88d9a351e78867af0b6065371e4dd0324cbe2288927ea80
MD5 hash:
3a4ed517bb6f47b9b9b93ffdd002d5ea
SHA1 hash:
b4ba36d60c7f0c7c2516b6678d3c14993182de2a
Detections:
SmokeLoaderStage2 win_smokeloader_a2
Parent samples :
a52bf253f87035bf054f9ceb9a7296b980537fa478a09b4f1ae000b819ba5e29
d7567c94d64fc05b847558d0308b54df1a716fcbe45a480ade6f2987a5ebbaef
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c66ef4f4bed4a422bf7bcbc54628ae0d34f8bcb8385f49abde1c230f9dbc30ee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 hash:
5db3ec41ae7137a8fa030fbf8d923a3f3faa0a75a01f3399944caf28b03acde4
MD5 hash:
407a0ad99960af1965087969af233fb0
SHA1 hash:
caadefaf5abd654f5c33fa495113cd34c07a0c79
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Smokeloader_3687686f
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 5db3ec41ae7137a8fa030fbf8d923a3f3faa0a75a01f3399944caf28b03acde4

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleOutputAttribute
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA

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