MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d722bd3c56605be7c31cd87c183cbbf3a396835f11b5af72686c64116bc2aa36. 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: 17


Intelligence 17 IOCs YARA File information Comments

SHA256 hash: d722bd3c56605be7c31cd87c183cbbf3a396835f11b5af72686c64116bc2aa36
SHA3-384 hash: e1a0c6a3ac9f4687b130b9e007ca93c5bec931466e75387154a90c478e7267c034e5523d6f359af0c41bd81b3deb622d
SHA1 hash: 6fc4458188027e48b286bfbb342559e75e87d06b
MD5 hash: c8f9ae3dd612caee37ed882aa05b09c3
humanhash: zebra-blossom-mockingbird-fillet
File name:c8f9ae3dd612caee37ed882aa05b09c3.exe
Download: download sample
Signature Stealc
File size:38'045 bytes
First seen:2023-12-29 16:45:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:3E45SLnQpEhOB/hAGflc5xOXhr7gvexzv36:3E4EqEhOPNfqStgvexzv3
TLSH T14703D08A1C219A78FE1542F7169C8FD4533DD8CB61F3AF4D4A36893764CB7B482342A9
TrID 42.6% (.EXE) Win32 Executable (generic) (4505/5/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
18.9% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
0.2% (.VXD) VXD Driver (29/21)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://5.42.66.57/3886d2276f6914c4.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
313
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
d722bd3c56605be7c31cd87c183cbbf3a396835f11b5af72686c64116bc2aa36.exe
Verdict:
Malicious activity
Analysis date:
2023-12-29 16:57:06 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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed smokeloader xpack
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, LummaC Stealer, Petite Virus,
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops large PE files
Drops PE files to the startup folder
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)
Hides threads from debuggers
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has a writeable .text section
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)
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
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 Generic Downloader
Yara detected Glupteba
Yara detected LummaC Stealer
Yara detected Petite Virus
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Stealc
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1368030 Sample: Sz8KLg559F.exe Startdate: 29/12/2023 Architecture: WINDOWS Score: 100 148 soupinterestoe.fun 2->148 150 smartpoliceax.website 2->150 152 23 other IPs or domains 2->152 196 Snort IDS alert for network traffic 2->196 198 Multi AV Scanner detection for domain / URL 2->198 200 Found malware configuration 2->200 202 23 other signatures 2->202 12 Sz8KLg559F.exe 2->12         started        15 iehrfwr 2->15         started        17 svchost.exe 2->17         started        signatures3 process4 signatures5 240 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->240 242 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->242 244 Maps a DLL or memory area into another process 12->244 19 explorer.exe 24 33 12->19 injected 24 conhost.exe 12->24         started        246 Checks if the current machine is a virtual machine (disk enumeration) 15->246 248 Creates a thread in another existing process (thread injection) 15->248 26 WerFault.exe 17->26         started        process6 dnsIp7 154 185.215.113.68, 49735, 80 WHOLESALECONNECTIONSNL Portugal 19->154 156 5.42.65.125, 49739, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 19->156 158 10 other IPs or domains 19->158 96 C:\Users\user\AppData\Roaming\tihrfwr, PE32 19->96 dropped 98 C:\Users\user\AppData\Roaming\iehrfwr, PE32 19->98 dropped 100 C:\Users\user\AppData\Local\Temp\FCCC.exe, PE32 19->100 dropped 102 12 other files (6 malicious) 19->102 dropped 204 System process connects to network (likely due to code injection or exploit) 19->204 206 Benign windows process drops PE files 19->206 208 Found many strings related to Crypto-Wallets (likely being stolen) 19->208 210 2 other signatures 19->210 28 9246.exe 7 19->28         started        31 FCCC.exe 19->31         started        35 62F8.exe 4 19->35         started        37 4 other processes 19->37 file8 signatures9 process10 dnsIp11 132 C:\Users\user\AppData\Local\...\toolspub2.exe, PE32 28->132 dropped 134 C:\Users\user\AppData\Local\Temp\etopt.exe, PE32 28->134 dropped 136 C:\...\31839b57a4f11171d6abc8bbc4451ee4.exe, PE32 28->136 dropped 144 2 other files (none is malicious) 28->144 dropped 39 tuc4.exe 28->39         started        42 toolspub2.exe 28->42         started        45 InstallSetup8.exe 28->45         started        56 4 other processes 28->56 174 5.42.65.31 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 31->174 138 C:\Users\user\AppData\Roaming\...\qemu-ga.exe, PE32 31->138 dropped 176 Detected unpacking (changes PE section rights) 31->176 178 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->178 180 Query firmware table information (likely to detect VMs) 31->180 194 7 other signatures 31->194 140 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 35->140 dropped 182 Writes to foreign memory regions 35->182 184 Allocates memory in foreign processes 35->184 186 Sample uses process hollowing technique 35->186 48 MSBuild.exe 8 4 35->48         started        142 C:\Users\user\AppData\...\iojmibhyhiws.exe, PE32+ 37->142 dropped 188 Tries to evade debugger and weak emulator (self modifying code) 37->188 190 Tries to steal Crypto Currency Wallets 37->190 192 Injects a PE file into a foreign processes 37->192 50 RegAsm.exe 37->50         started        52 RegSvcs.exe 37->52         started        54 iojmibhyhiws.exe 37->54         started        58 3 other processes 37->58 file12 signatures13 process14 dnsIp15 112 C:\Users\user\AppData\Local\Temp\...\tuc4.tmp, PE32 39->112 dropped 60 tuc4.tmp 39->60         started        214 Detected unpacking (changes PE section rights) 42->214 216 Contains functionality to inject code into remote processes 42->216 218 Injects a PE file into a foreign processes 42->218 62 toolspub2.exe 42->62         started        160 api4.ipify.org 173.231.16.77 WEBNXUS United States 45->160 162 91.92.254.7 THEZONEBG Bulgaria 45->162 164 5.42.64.35 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 45->164 114 C:\Users\user\AppData\...\nsxD0D8.tmp.exe, PE32 45->114 dropped 116 C:\Users\user\AppData\Local\...\INetC.dll, PE32 45->116 dropped 118 C:\Users\user\AppData\...\BroomSetup.exe, PE32 45->118 dropped 120 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 45->120 dropped 65 nsxD0D8.tmp.exe 45->65         started        69 BroomSetup.exe 45->69         started        166 195.20.16.103, 20440, 49740 EITADAT-ASFI Finland 48->166 220 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 48->220 222 Found many strings related to Crypto-Wallets (likely being stolen) 48->222 224 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 48->224 168 20.79.30.95 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 50->168 226 Tries to steal Crypto Currency Wallets 50->226 170 soupinterestoe.fun 104.21.24.252 CLOUDFLARENETUS United States 52->170 228 Tries to harvest and steal browser information (history, passwords, etc) 52->228 230 Tries to evade debugger and weak emulator (self modifying code) 54->230 172 2 other IPs or domains 56->172 122 C:\Users\user\AppData\Local\Temp\...\Zip.dll, PE32 56->122 dropped 124 C:\Users\user\AppData\Local\...\Checker.dll, PE32 56->124 dropped 126 C:\Program Files\...126ppConverter.dll, PE32+ 56->126 dropped 128 2 other files (none is malicious) 56->128 dropped 232 Detected unpacking (overwrites its own PE header) 56->232 234 UAC bypass detected (Fodhelper) 56->234 236 Query firmware table information (likely to detect VMs) 56->236 238 3 other signatures 56->238 71 cmd.exe 56->71         started        73 conhost.exe 58->73         started        file16 signatures17 process18 dnsIp19 75 tuc4.exe 60->75         started        250 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 62->250 252 Maps a DLL or memory area into another process 62->252 254 Checks if the current machine is a virtual machine (disk enumeration) 62->254 256 Creates a thread in another existing process (thread injection) 62->256 146 5.42.66.57 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 65->146 88 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 65->88 dropped 90 C:\Users\user\AppData\...\softokn3[1].dll, PE32 65->90 dropped 92 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 65->92 dropped 94 9 other files (none is malicious) 65->94 dropped 258 Tries to steal Mail credentials (via file / registry access) 65->258 260 Tries to harvest and steal ftp login credentials 65->260 262 Tries to harvest and steal browser information (history, passwords, etc) 65->262 264 Tries to steal Crypto Currency Wallets 65->264 78 conhost.exe 71->78         started        80 fodhelper.exe 71->80         started        82 fodhelper.exe 71->82         started        file20 signatures21 process22 file23 130 C:\Users\user\AppData\Local\Temp\...\tuc4.tmp, PE32 75->130 dropped 84 tuc4.tmp 75->84         started        process24 file25 104 C:\Program Files (x86)\...\is-6KP7O.tmp, PE32 84->104 dropped 106 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 84->106 dropped 108 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 84->108 dropped 110 99 other files (none is malicious) 84->110 dropped 212 Drops large PE files 84->212 signatures26
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-12-19 07:40:55 UTC
File Type:
PE (Exe)
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat family:djvu family:glupteba family:redline family:smokeloader family:stealc family:zgrat botnet:777 botnet:livetraffic botnet:up3 backdoor discovery dropper evasion infostealer loader persistence ransomware rat spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
NSIS installer
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Registers COM server for autorun
UPX packed file
Windows security modification
Downloads MZ/PE file
Modifies Windows Firewall
DcRat
Detect ZGRat V1
Detected Djvu ransomware
Djvu Ransomware
Glupteba
Glupteba payload
RedLine
RedLine payload
SmokeLoader
Stealc
Windows security bypass
ZGRat
Malware Config
C2 Extraction:
http://185.215.113.68/fks/index.php
20.79.30.95:13856
http://host-file-host6.com/
http://host-host-file8.com/
http://5.42.66.57
http://zexeq.com/test1/get.php
195.20.16.103:20440
Unpacked files
SH256 hash:
d722bd3c56605be7c31cd87c183cbbf3a396835f11b5af72686c64116bc2aa36
MD5 hash:
c8f9ae3dd612caee37ed882aa05b09c3
SHA1 hash:
6fc4458188027e48b286bfbb342559e75e87d06b
Detections:
SmokeLoaderStage2 win_smokeloader_a2
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments