MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0c8662ec6617b3f32e98860b382dd9a626952ec1845459469ba235ed13b53d8. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e0c8662ec6617b3f32e98860b382dd9a626952ec1845459469ba235ed13b53d8
SHA3-384 hash: 6285ced18ddc834a2976a4502c155e823af263ebefe9cde26d88eb662559e9be4b531b16436a11872023bac942da7574
SHA1 hash: 1012c87c1d7f6e165676d84f2d22130b3399caf8
MD5 hash: b5bc382d5b90d1c4973fb385e3547562
humanhash: march-finch-echo-south
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:3'018'104 bytes
First seen:2023-12-08 00:48:56 UTC
Last seen:2023-12-08 23:32:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 49152:c/HDEcyLBOYk8YdzdbSiByQafM+r+kts1gGt9tD5i1/ZFBQOgyUEHL13E53d:c/HQx9Gdzd1Z+r+719Olmn
TLSH T1BBD5E19E7A5CF9E4B3D2A9AA8A46013F6CE442DF0531EDC242E11CAD480FDFED995035
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter andretavare5
Tags:exe signed Stealc

Code Signing Certificate

Organisation:Installrox inc
Issuer:Installrox inc
Algorithm:sha256WithRSAEncryption
Valid from:2023-12-08T00:37:59Z
Valid to:2024-12-08T00:37:59Z
Serial number: 85b975f591cf3fcd5c680ba8c3b4f883
Thumbprint Algorithm:SHA256
Thumbprint: b80ad527d1df6a26fa1e880ec5ffe1b9ac0fd2266d724827b69e6e3d6e7bc472
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 :
32
# of downloads :
360
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/463415/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.20166.3717.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending an HTTP GET request
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Searching for the window
Launching the default Windows debugger (dwwin.exe)
Changing a file
Launching cmd.exe command interpreter
Blocking the User Account Control
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
Link:
https://www.filescan.io/uploads/6572680218cffa73b1ddf5f8/reports/698d36fc-4484-4600-ad37-e7b2dcbc1906/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e0c8662ec6617b3f32e98860b382dd9a626952ec1845459469ba235ed13b53d8
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e586e5ef-2624-402f-bce1-f67cc301cf91
Result
Threat name:
Glupteba, RHADAMANTHYS, Stealc
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1355894
Signature
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 malware configuration
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
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
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 harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected RHADAMANTHYS Stealer
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1355894 Sample: file.exe Startdate: 08/12/2023 Architecture: WINDOWS Score: 100 140 Multi AV Scanner detection for domain / URL 2->140 142 Found malware configuration 2->142 144 Malicious sample detected (through community Yara rule) 2->144 146 15 other signatures 2->146 9 file.exe 2 4 2->9         started        process3 signatures4 172 Writes to foreign memory regions 9->172 174 Allocates memory in foreign processes 9->174 176 Adds extensions / path to Windows Defender exclusion list (Registry) 9->176 178 3 other signatures 9->178 12 CasPol.exe 15 155 9->12         started        17 powershell.exe 23 9->17         started        process5 dnsIp6 134 194.104.136.64 SMEERBOEL-ASSMEERBOELBVNL Netherlands 12->134 136 5.42.65.57 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 12->136 138 9 other IPs or domains 12->138 110 C:\Users\...\zzEMA2zk73OLOMdNHqJBkmJV.exe, PE32 12->110 dropped 112 C:\Users\...\xF4Hr0N90DX6fJBd5Y2rVfDo.exe, PE32 12->112 dropped 114 C:\Users\...\utYgtK1uHuPZvDIwBg24kp9X.exe, PE32 12->114 dropped 116 123 other malicious files 12->116 dropped 180 Drops script or batch files to the startup folder 12->180 182 Creates HTML files with .exe extension (expired dropper behavior) 12->182 184 Writes many files with high entropy 12->184 19 utYgtK1uHuPZvDIwBg24kp9X.exe 12->19         started        24 bb6cat2fj48gXWwXq5BiGm3z.exe 1 36 12->24         started        26 0IEzpYfExnQBaFwPK4awAAM7.exe 12->26         started        30 8 other processes 12->30 28 conhost.exe 17->28         started        file7 signatures8 process9 dnsIp10 118 107.167.110.218 OPERASOFTWAREUS United States 19->118 120 107.167.125.189 OPERASOFTWAREUS United States 19->120 128 5 other IPs or domains 19->128 96 7 other malicious files 19->96 dropped 148 Writes many files with high entropy 19->148 32 utYgtK1uHuPZvDIwBg24kp9X.exe 19->32         started        35 utYgtK1uHuPZvDIwBg24kp9X.exe 19->35         started        37 utYgtK1uHuPZvDIwBg24kp9X.exe 19->37         started        122 173.231.16.77 WEBNXUS United States 24->122 124 91.92.254.7 THEZONEBG Bulgaria 24->124 126 5.42.64.35 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 24->126 86 C:\Users\user\AppData\Local\...\INetC.dll, PE32 24->86 dropped 88 C:\Users\user\AppData\...\nsc3585.tmp.exe, PE32 24->88 dropped 98 2 other malicious files 24->98 dropped 39 nsc3585.tmp.exe 24->39         started        43 Broom.exe 24->43         started        100 2 other malicious files 26->100 dropped 45 Install.exe 26->45         started        90 C:\Users\user\AppData\...\nso6A13.tmp.exe, PE32 30->90 dropped 92 C:\Users\user\AppData\Local\...\INetC.dll, PE32 30->92 dropped 94 C:\Users\user\AppData\...\nsm4BCD.tmp.exe, PE32 30->94 dropped 102 9 other malicious files 30->102 dropped 150 Detected unpacking (changes PE section rights) 30->150 152 Detected unpacking (overwrites its own PE header) 30->152 154 Found Tor onion address 30->154 156 5 other signatures 30->156 47 nsm4BCD.tmp.exe 30->47         started        49 0IDw9CIbp6qA0rmAerqm32jD.exe 30->49         started        51 6 other processes 30->51 file11 signatures12 process13 dnsIp14 68 Opera_installer_2312080050040547972.dll, PE32 32->68 dropped 82 23 other malicious files 32->82 dropped 53 utYgtK1uHuPZvDIwBg24kp9X.exe 32->53         started        70 Opera_installer_2312080050021077652.dll, PE32 35->70 dropped 72 Opera_installer_2312080050027437808.dll, PE32 37->72 dropped 130 77.91.76.36 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 39->130 84 12 other files (8 malicious) 39->84 dropped 158 Detected unpacking (changes PE section rights) 39->158 160 Detected unpacking (overwrites its own PE header) 39->160 162 Tries to steal Mail credentials (via file / registry access) 39->162 166 3 other signatures 39->166 164 Multi AV Scanner detection for dropped file 43->164 74 C:\Users\user\AppData\Local\...\Install.exe, PE32 45->74 dropped 56 Install.exe 45->56         started        76 Opera_installer_2312080050127887824.dll, PE32 49->76 dropped 78 Opera_installer_2312080050136693120.dll, PE32 51->78 dropped 80 C:\Users\user\AppData\Local\...\Install.exe, PE32 51->80 dropped 59 dialer.exe 51->59         started        62 WerFault.exe 51->62         started        64 WerFault.exe 51->64         started        66 3 other processes 51->66 file15 signatures16 process17 dnsIp18 104 Opera_installer_2312080050044888044.dll, PE32 53->104 dropped 106 C:\Users\user\AppData\Local\...\uHBmDWn.exe, PE32 56->106 dropped 108 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 56->108 dropped 168 Multi AV Scanner detection for dropped file 56->168 170 Modifies Group Policy settings 56->170 132 193.233.132.5 FREE-NET-ASFREEnetEU Russian Federation 59->132 file19 signatures20
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e0c8662ec6617b3f32e98860b382dd9a626952ec1845459469ba235ed13b53d8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e0c8662ec6617b3f32e98860b382dd9a626952ec1845459469ba235ed13b53d8/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-12-08 00:49:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
16 of 22 (72.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4degmlwgmf5t6mxjrbqlhaw5tjrgsuxmdbculfdjxirv5uj3kpma._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:rhadamanthys family:stealc discovery dropper evasion loader persistence rootkit spyware stealer trojan upx
Link:
https://tria.ge/reports/231208-a6cehsgd45/
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 behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
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
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
Checks whether UAC is enabled
Drops Chrome extension
Drops desktop.ini file(s)
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Manipulates WinMon driver.
Manipulates WinMonFS driver.
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
Blocklisted process makes network request
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Glupteba
Glupteba payload
Modifies Windows Defender Real-time Protection settings
Rhadamanthys
Stealc
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
http://77.91.76.36
Unpacked files
SH256 hash:
e0c8662ec6617b3f32e98860b382dd9a626952ec1845459469ba235ed13b53d8
MD5 hash:
b5bc382d5b90d1c4973fb385e3547562
SHA1 hash:
1012c87c1d7f6e165676d84f2d22130b3399caf8
Link:
https://www.unpac.me/results/84fdfd04-9d5f-4831-b5b4-427642047a81/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e0c8662ec661/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/e0c8662ec6617b3f32e98860b382dd9a626952ec1845459469ba235ed13b53d8

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
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/463415/
  
URLhaus
https://urlhaus.abuse.ch/url/2738073/

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