MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0acc5eca8860dc87070e066f3258296228439b35bdb9fbc02185fc861a97475f. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 0acc5eca8860dc87070e066f3258296228439b35bdb9fbc02185fc861a97475f
SHA3-384 hash: 3be52220d1a1b1f8e23d74a90a345135823a63c65f244d6eda71c535839e8fd5b4b49eface276cd51795cc4154d6fcbd
SHA1 hash: d77ad5345ea489673f4e00e892caa81f92aec7c1
MD5 hash: f0b0a5f64dcfc3cbc85b115928903074
humanhash: triple-failed-wyoming-football
File name:file
Download: download sample
Signature Stealc
File size:1'169'768 bytes
First seen:2023-12-10 01:01:57 UTC
Last seen:2023-12-10 17:08:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:/JuwYk1FDiCaItlrzZNkSqVLHX4gG6WCepxaKpo:/AzqraItV3CD4gG6Xe1po
Threatray 2 similar samples on MalwareBazaar
TLSH T14C45E0E60AEE8CC7C259CCFC755781B7A96508E227204DF6B16CF40F61E5B5812DBE28
TrID 27.3% (.SCR) Windows screen saver (13097/50/3)
22.0% (.EXE) Win64 Executable (generic) (10523/12/4)
13.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.4% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter andretavare5
Tags:exe signed Stealc

Code Signing Certificate

Organisation:webpik inc
Issuer:webpik inc
Algorithm:sha256WithRSAEncryption
Valid from:2023-12-10T00:45:34Z
Valid to:2024-12-10T00:45:34Z
Serial number: 41109063c1a4358968ef8186ee183725
Thumbprint Algorithm:SHA256
Thumbprint: 70c3025505a4ae85e74b3dbbd57c4c2750c0a8c4c47ea1b04fea88e82cc9c408
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
andretavare5
Sample downloaded from http://15.204.49.148/files/Installsetup2.exe

Intelligence


File Origin
# of uploads :
19
# of downloads :
330
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Launching the default Windows debugger (dwwin.exe)
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Blocking the User Account Control
Forced shutdown of a system process
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
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, RHADAMANTHYS
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables UAC (registry)
Drops script or batch files to the startup folder
Found Tor onion address
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)
Modifies Group Policy settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1357099 Sample: file.exe Startdate: 10/12/2023 Architecture: WINDOWS Score: 100 134 Multi AV Scanner detection for domain / URL 2->134 136 Malicious sample detected (through community Yara rule) 2->136 138 Antivirus detection for URL or domain 2->138 140 12 other signatures 2->140 9 file.exe 2 4 2->9         started        process3 signatures4 156 Writes to foreign memory regions 9->156 158 Allocates memory in foreign processes 9->158 160 Adds extensions / path to Windows Defender exclusion list (Registry) 9->160 162 3 other signatures 9->162 12 AddInProcess32.exe 15 263 9->12         started        17 powershell.exe 23 9->17         started        19 CasPol.exe 9->19         started        process5 dnsIp6 128 194.104.136.64 SMEERBOEL-ASSMEERBOELBVNL Netherlands 12->128 130 5.42.65.57 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 12->130 132 8 other IPs or domains 12->132 104 C:\Users\...\zr6f53zevBhrrJJLUAXl5uWn.exe, PE32 12->104 dropped 106 C:\Users\...\zliZuT4UtS3drPjdxhba2KGe.exe, PE32 12->106 dropped 108 C:\Users\...\zeOv5d90CDXkgNhQLH6452hI.exe, PE32 12->108 dropped 110 226 other malicious files 12->110 dropped 164 Drops script or batch files to the startup folder 12->164 166 Creates HTML files with .exe extension (expired dropper behavior) 12->166 168 Writes many files with high entropy 12->168 21 j8g3YpzVoCP5yo6GSRNsUHhb.exe 12->21         started        26 sngToCDyPfyjAGnMn7jzFlOn.exe 12->26         started        28 P31adyla522CjxTWBlLgpoAU.exe 12->28         started        32 9 other processes 12->32 30 conhost.exe 17->30         started        file7 signatures8 process9 dnsIp10 112 107.167.110.218 OPERASOFTWAREUS United States 21->112 114 107.167.125.189 OPERASOFTWAREUS United States 21->114 122 4 other IPs or domains 21->122 86 Opera_installer_2312100103042786892.dll, PE32 21->86 dropped 96 6 other malicious files 21->96 dropped 142 Writes many files with high entropy 21->142 34 j8g3YpzVoCP5yo6GSRNsUHhb.exe 21->34         started        37 j8g3YpzVoCP5yo6GSRNsUHhb.exe 21->37         started        39 j8g3YpzVoCP5yo6GSRNsUHhb.exe 21->39         started        98 2 other malicious files 26->98 dropped 41 Install.exe 26->41         started        116 23.223.28.142 AKAMAI-ASUS United States 28->116 88 Opera_installer_2312100103109705024.dll, PE32 28->88 dropped 100 3 other malicious files 28->100 dropped 43 P31adyla522CjxTWBlLgpoAU.exe 28->43         started        45 P31adyla522CjxTWBlLgpoAU.exe 28->45         started        118 104.237.62.212 WEBNXUS United States 32->118 120 173.231.16.77 WEBNXUS United States 32->120 124 2 other IPs or domains 32->124 90 C:\Users\user\AppData\Local\...\INetC.dll, PE32 32->90 dropped 92 C:\Users\user\AppData\...\nsvC22E.tmp.exe, PE32 32->92 dropped 94 C:\Users\user\AppData\...\nsjD624.tmp.exe, PE32 32->94 dropped 102 8 other malicious files 32->102 dropped 144 Detected unpacking (changes PE section rights) 32->144 146 Detected unpacking (overwrites its own PE header) 32->146 148 Found Tor onion address 32->148 150 5 other signatures 32->150 47 AppLaunch.exe 32->47         started        49 AppLaunch.exe 32->49         started        51 2 other processes 32->51 file11 signatures12 process13 file14 68 Opera_installer_2312100103132267288.dll, PE32 34->68 dropped 53 j8g3YpzVoCP5yo6GSRNsUHhb.exe 34->53         started        70 Opera_installer_2312100103057275856.dll, PE32 37->70 dropped 72 Opera_installer_2312100103066743568.dll, PE32 39->72 dropped 74 C:\Users\user\AppData\Local\...\Install.exe, PE32 41->74 dropped 56 Install.exe 41->56         started        76 Opera_installer_2312100103124445224.dll, PE32 43->76 dropped 78 Opera_installer_2312100103133577296.dll, PE32 45->78 dropped 59 dialer.exe 47->59         started        62 WerFault.exe 47->62         started        64 WerFault.exe 47->64         started        66 WerFault.exe 49->66         started        process15 dnsIp16 80 Opera_installer_2312100103145537364.dll, PE32 53->80 dropped 82 C:\Users\user\AppData\Local\...\hqJPzxa.exe, PE32 56->82 dropped 84 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 56->84 dropped 152 Modifies Group Policy settings 56->152 126 193.233.132.5 FREE-NET-ASFREEnetEU Russian Federation 59->126 154 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 59->154 file17 signatures18
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-12-10 01:02:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:glupteba family:rhadamanthys family:stealc discovery dropper evasion loader spyware stealer trojan upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
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
Checks installed software on the system
Checks whether UAC is enabled
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Drops startup file
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
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Glupteba
Glupteba payload
Rhadamanthys
Stealc
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
http://77.91.76.36
Unpacked files
SH256 hash:
0acc5eca8860dc87070e066f3258296228439b35bdb9fbc02185fc861a97475f
MD5 hash:
f0b0a5f64dcfc3cbc85b115928903074
SHA1 hash:
d77ad5345ea489673f4e00e892caa81f92aec7c1
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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