MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08350103990b4a2c500792ff535bbda6019c06dc00e3a2c8f7d42da234f94531. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
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SHA256 hash: 08350103990b4a2c500792ff535bbda6019c06dc00e3a2c8f7d42da234f94531
SHA3-384 hash: faa6af763ad698e23e4362ae1870b381a8555babaf856291dd01278cb2b22d97d9f241da6d13fdeca27741aeee26a445
SHA1 hash: 08b55a380e62d5ed3de1b4dcfa08f81652859356
MD5 hash: 87cd366e6b1bb5d574439c3ef3e270b2
humanhash: snake-cold-solar-beryllium
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:3'261'296 bytes
First seen:2023-12-07 01:06:32 UTC
Last seen:2023-12-08 00:43:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 98304:1huYWfkjQhz8wD//IcbF/nDLTCHKomXyOFn:PoFz8UBffTOPOJ
Threatray 2 similar samples on MalwareBazaar
TLSH T148E5123C7BC9BB61DC9B31FD44BA42993B92F4116923B8FDAC9A107943632151C93DE2
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:wabpik inc
Issuer:wabpik inc
Algorithm:sha256WithRSAEncryption
Valid from:2023-12-07T00:55:32Z
Valid to:2024-12-07T00:55:32Z
Serial number: feb419982dae9d36f6847579b75e506d
Thumbprint Algorithm:SHA256
Thumbprint: f5dddc29ad8417b60cdadedc3d00e62e3820580caf927903ef9d4857f2fa8fe8
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 :
47
# of downloads :
359
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/463058/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Abuja.2.3512.13665.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer lolbin overlay packed
Link:
https://www.filescan.io/uploads/65711ab6855eb2633d61f754/reports/755efa0d-28a3-4bcf-a52f-996d1dc57936/overview
Verdict:
Malicious
Labled as:
MSIL.Abuja.Generic
Link:
https://www.hybrid-analysis.com/sample/08350103990b4a2c500792ff535bbda6019c06dc00e3a2c8f7d42da234f94531
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/71d5eb30-fc75-40f7-b19d-06432eab4c19
Result
Threat name:
Glupteba, RHADAMANTHYS, Stealc
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1355081
Signature
.NET source code contains very large array initializations
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
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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 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: 1355081 Sample: file.exe Startdate: 07/12/2023 Architecture: WINDOWS Score: 100 152 Multi AV Scanner detection for domain / URL 2->152 154 Found malware configuration 2->154 156 Malicious sample detected (through community Yara rule) 2->156 158 15 other signatures 2->158 10 file.exe 2 4 2->10         started        process3 signatures4 160 Adds extensions / path to Windows Defender exclusion list (Registry) 10->160 162 Adds a directory exclusion to Windows Defender 10->162 164 Disables UAC (registry) 10->164 13 AddInProcess32.exe 15 357 10->13         started        18 powershell.exe 23 10->18         started        20 CasPol.exe 10->20         started        process5 dnsIp6 138 194.104.136.64 SMEERBOEL-ASSMEERBOELBVNL Netherlands 13->138 140 5.42.65.57 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 13->140 142 10 other IPs or domains 13->142 114 C:\Users\...\zpc6melNUZcI1vnbeSNpCFXe.exe, PE32 13->114 dropped 116 C:\Users\...\zSQpb0ymXBLTaeuLtj2VaXCV.exe, PE32 13->116 dropped 118 C:\Users\...\xxa5SI10dlDajhO6S95XagYp.exe, PE32 13->118 dropped 120 274 other malicious files 13->120 dropped 174 Drops script or batch files to the startup folder 13->174 176 Creates HTML files with .exe extension (expired dropper behavior) 13->176 178 Infects executable files (exe, dll, sys, html) 13->178 22 I5Cp98EMKA10EW8b4mvpyu1y.exe 13->22         started        26 it76P0sUwwT3Em8fVBcLALXD.exe 13->26         started        28 3EZCtHQpq4qYtnIoRWy57QLR.exe 13->28         started        32 7 other processes 13->32 30 conhost.exe 18->30         started        file7 signatures8 process9 dnsIp10 122 107.167.110.217 OPERASOFTWAREUS United States 22->122 124 107.167.125.189 OPERASOFTWAREUS United States 22->124 132 6 other IPs or domains 22->132 104 6 other malicious files 22->104 dropped 35 I5Cp98EMKA10EW8b4mvpyu1y.exe 22->35         started        38 I5Cp98EMKA10EW8b4mvpyu1y.exe 22->38         started        40 I5Cp98EMKA10EW8b4mvpyu1y.exe 22->40         started        126 104.237.62.212 WEBNXUS United States 26->126 128 91.92.254.7 THEZONEBG Bulgaria 26->128 130 5.42.64.35 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 26->130 94 C:\Users\user\AppData\Local\...\INetC.dll, PE32 26->94 dropped 96 C:\Users\user\AppData\...\nsd24C2.tmp.exe, PE32 26->96 dropped 106 2 other malicious files 26->106 dropped 42 nsd24C2.tmp.exe 26->42         started        46 Broom.exe 26->46         started        108 4 other malicious files 28->108 dropped 48 3EZCtHQpq4qYtnIoRWy57QLR.exe 28->48         started        50 3EZCtHQpq4qYtnIoRWy57QLR.exe 28->50         started        98 C:\Users\user\AppData\Local\...\INetC.dll, PE32 32->98 dropped 100 C:\Users\user\AppData\...\nsg5279.tmp.exe, PE32 32->100 dropped 102 C:\Users\user\AppData\...\nsg4663.tmp.exe, PE32 32->102 dropped 110 2 other malicious files 32->110 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 52 AppLaunch.exe 32->52         started        54 7 other processes 32->54 file11 signatures12 process13 dnsIp14 76 Opera_installer_2312070108130107684.dll, PE32 35->76 dropped 78 C:\Users\user\AppData\...\win8_importing.dll, PE32+ 35->78 dropped 80 C:\Users\user\...\win10_share_handler.dll, PE32+ 35->80 dropped 90 19 other malicious files 35->90 dropped 56 I5Cp98EMKA10EW8b4mvpyu1y.exe 35->56         started        82 Opera_installer_2312070108085828016.dll, PE32 38->82 dropped 84 Opera_installer_2312070108120381544.dll, PE32 40->84 dropped 134 77.91.76.36 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 42->134 92 12 other files (8 malicious) 42->92 dropped 166 Detected unpacking (changes PE section rights) 42->166 168 Detected unpacking (overwrites its own PE header) 42->168 170 Tries to steal Mail credentials (via file / registry access) 42->170 172 3 other signatures 42->172 86 Opera_installer_2312070108126317648.dll, PE32 48->86 dropped 88 Opera_installer_2312070108135187644.dll, PE32 50->88 dropped 59 dialer.exe 52->59         started        62 WerFault.exe 52->62         started        64 WerFault.exe 52->64         started        66 powershell.exe 54->66         started        68 conhost.exe 54->68         started        70 conhost.exe 54->70         started        72 WerFault.exe 54->72         started        file15 signatures16 process17 dnsIp18 112 Opera_installer_2312070108138597332.dll, PE32 56->112 dropped 136 193.233.132.5 FREE-NET-ASFREEnetEU Russian Federation 59->136 74 conhost.exe 66->74         started        file19 process20
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/08350103990b4a2c500792ff535bbda6019c06dc00e3a2c8f7d42da234f94531
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08350103990b4a2c500792ff535bbda6019c06dc00e3a2c8f7d42da234f94531/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-12-07 01:07:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ba2qca4zbnfcyuahsl7vgw55uyazybw4adr2fshx2qw2enhziuyq._file
Verdict:
malicious
Similar samples:
686a9348e5412fe8d386b0e44723d8b7b538399e001741a628babf64d15d6a62
Stealc
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/231207-bgna6aaac4/
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
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:
08350103990b4a2c500792ff535bbda6019c06dc00e3a2c8f7d42da234f94531
MD5 hash:
87cd366e6b1bb5d574439c3ef3e270b2
SHA1 hash:
08b55a380e62d5ed3de1b4dcfa08f81652859356
Link:
https://www.unpac.me/results/10ea2ce6-5eee-4c7a-9836-30e20ba35af1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/08350103990b/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/08350103990b4a2c500792ff535bbda6019c06dc00e3a2c8f7d42da234f94531

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:NET
Create hunting rule
Author:malware-lu
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/463058/
  
URLhaus
https://urlhaus.abuse.ch/url/2738073/

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