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Windows
Analysis Report
IIBXMzS0zN.exe
Overview
General Information
Sample name: | IIBXMzS0zN.exerenamed because original name is a hash value |
Original sample name: | f35c060b3ac3b38cff5fc9131e794f93.exe |
Analysis ID: | 1389372 |
MD5: | f35c060b3ac3b38cff5fc9131e794f93 |
SHA1: | af4ee5521fec5c34ddc5311d71d47e6b8be71d3d |
SHA256: | fea7f052ee9f727d0ecb888eef78674e1220c73276010a9cd6d68c4d9d260f4b |
Tags: | exe |
Infos: | |
Detection
Glupteba, SmokeLoader, Socks5Systemz, Stealc, Xmrig
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Benign windows process drops PE files
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
UAC bypass detected (Fodhelper)
Yara detected Glupteba
Yara detected SmokeLoader
Yara detected Socks5Systemz
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Xmrig cryptocurrency miner
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)
Contains functionality to infect the boot sector
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Drops PE files with benign system names
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May use the Tor software to hide its network traffic
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Suspicious Process Parents
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Suspicious powershell command line found
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Abnormal high CPU Usage
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Checks if the current process is being debugged
Connects to several IPs in different countries
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to dynamically determine API calls
Contains functionality to launch a program with higher privileges
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to shutdown / reboot the system
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Drops files with a non-matching file extension (content does not match file extension)
Entry point lies outside standard sections
Extensive use of GetProcAddress (often used to hide API calls)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
Found evasive API chain (date check)
Found evasive API chain checking for process token information
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
One or more processes crash
PE file contains an invalid checksum
PE file contains executable resources (Code or Archives)
PE file contains more sections than normal
PE file contains sections with non-standard names
Queries disk information (often used to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Registers a DLL
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Conhost Spawned By Uncommon Parent Process
Sigma detected: CurrentVersion Autorun Keys Modification
Sigma detected: Execution of Suspicious File Type Extension
Sigma detected: Wow6432Node CurrentVersion Autorun Keys Modification
Tries to load missing DLLs
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
- IIBXMzS0zN.exe (PID: 7856 cmdline:
C:\Users\u ser\Deskto p\IIBXMzS0 zN.exe MD5: F35C060B3AC3B38CFF5FC9131E794F93) - explorer.exe (PID: 640 cmdline:
C:\Windows \Explorer. EXE MD5: 574AF6D80FE7CC6422A8592DE7A39F78) - 5A89.exe (PID: 7504 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\5A89.ex e MD5: 151E9EC4F0355D2F131B871671BD5E20) - 5A89.exe (PID: 7556 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\5A89.ex e MD5: 151E9EC4F0355D2F131B871671BD5E20) - 6056.exe (PID: 7620 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\6056.ex e MD5: 50F2E865696BEEB3C20E1F05DC72D03C) - WerFault.exe (PID: 3316 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 7 620 -s 640 MD5: F5210A4A7E411A1BAD3844586A74B574) - 6374.exe (PID: 820 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\6374.ex e MD5: 1996A23C7C764A77CCACF5808FEC23B0) - regsvr32.exe (PID: 5724 cmdline:
regsvr32 / s C:\Users \user\AppD ata\Local\ Temp\6653. dll MD5: B0C2FA35D14A9FAD919E99D9D75E1B9E) - regsvr32.exe (PID: 2108 cmdline:
/s C:\Use rs\user\Ap pData\Loca l\Temp\665 3.dll MD5: 878E47C8656E53AE8A8A21E927C6F7E0) - 78A4.exe (PID: 5872 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\78A4.ex e MD5: 7176404D8394DECDC9399BB62C01A2FF) - 78A4.tmp (PID: 1624 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\is-P7A BK.tmp\78A 4.tmp" /SL 5="$801FA, 8085089,54 272,C:\Use rs\user\Ap pData\Loca l\Temp\78A 4.exe" MD5: 426607EDCEEC6A310076FA659B073D1D) - 78A4.exe (PID: 1852 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\78A4.e xe" /SPAWN WND=$10490 /NOTIFYWN D=$801FA MD5: 7176404D8394DECDC9399BB62C01A2FF) - 78A4.tmp (PID: 2040 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\is-GD1 HP.tmp\78A 4.tmp" /SL 5="$18004E ,8085089,5 4272,C:\Us ers\user\A ppData\Loc al\Temp\78 A4.exe" /S PAWNWND=$1 0490 /NOTI FYWND=$801 FA MD5: 426607EDCEEC6A310076FA659B073D1D) - anyburnfree.exe (PID: 6156 cmdline:
"C:\Users\ user\AppDa ta\Local\A ny Burn Fr ee\anyburn free.exe" -i MD5: EB428F0ECD8AD6907A62E6A0ACEAB53F) - anyburnfree.exe (PID: 2324 cmdline:
"C:\Users\ user\AppDa ta\Local\A ny Burn Fr ee\anyburn free.exe" -s MD5: EB428F0ECD8AD6907A62E6A0ACEAB53F) - 914D.exe (PID: 2532 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\914D.ex e MD5: CEAE65EE17FF158877706EDFE2171501) - 288c47bbc1871b439df19ff4df68f076.exe (PID: 7892 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\288c47 bbc1871b43 9df19ff4df 68f076.exe " MD5: D122F827C4FC73F9A06D7F6F2D08CD95) - InstallSetup4.exe (PID: 4048 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\Instal lSetup4.ex e" MD5: 28B72E7425D6D224C060D3CF439C668C) - BroomSetup.exe (PID: 4632 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\BroomSe tup.exe MD5: 5E94F0F6265F9E8B2F706F1D46BBD39E) - cmd.exe (PID: 4832 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\App Data\Roami ng\Temp\Ta sk.bat" " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 6668 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 7366FBEFE66BA0F1F5304F7D6FEF09FE) - Conhost.exe (PID: 7288 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 7366FBEFE66BA0F1F5304F7D6FEF09FE) - FourthX.exe (PID: 3980 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\Fourth X.exe" MD5: B03886CB64C04B828B6EC1B2487DF4A4) - powershell.exe (PID: 4152 cmdline:
C:\Windows \system32\ WindowsPow erShell\v1 .0\powersh ell.exe St art-Proces s "C:\User s\user\App Data\Local \Temp\Four thX.exe" - Verb runAs MD5: DFD66604CA0898E8E26DF7B1635B6326) - conhost.exe (PID: 6964 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 7366FBEFE66BA0F1F5304F7D6FEF09FE) - csrss.exe (PID: 5684 cmdline:
"C:\Progra mData\Driv ers\csrss. exe" MD5: 151E9EC4F0355D2F131B871671BD5E20) - csrss.exe (PID: 2572 cmdline:
"C:\Progra mData\Driv ers\csrss. exe" MD5: 151E9EC4F0355D2F131B871671BD5E20) - AD52.exe (PID: 5348 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\AD52.ex e MD5: BA79778FB5C76EE86A3719452732A68B) - B68B.exe (PID: 2000 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\B68B.ex e MD5: 5F11B580F135B8479A48BDF6000C31CE) - WerFault.exe (PID: 1208 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 2 000 -s 356 MD5: F5210A4A7E411A1BAD3844586A74B574) - Conhost.exe (PID: 7504 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 7366FBEFE66BA0F1F5304F7D6FEF09FE)
- egiibgt (PID: 7436 cmdline:
C:\Users\u ser\AppDat a\Roaming\ egiibgt MD5: F35C060B3AC3B38CFF5FC9131E794F93)
- 6374.exe (PID: 1144 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\6374.e xe" MD5: 1996A23C7C764A77CCACF5808FEC23B0)
- svchost.exe (PID: 1904 cmdline:
C:\Windows \System32\ svchost.ex e -k WerSv cGroup MD5: B7F884C1B74A263F746EE12A5F7C9F6A) - WerFault.exe (PID: 5892 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -pss -s 432 -p 76 20 -ip 762 0 MD5: F5210A4A7E411A1BAD3844586A74B574) - Conhost.exe (PID: 7880 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 7366FBEFE66BA0F1F5304F7D6FEF09FE) - WerFault.exe (PID: 3804 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -pss -s 540 -p 20 00 -ip 200 0 MD5: F5210A4A7E411A1BAD3844586A74B574)
- svchost.exe (PID: 2328 cmdline:
C:\Windows \system32\ svchost.ex e -k netsv cs -p -s w lidsvc MD5: B7F884C1B74A263F746EE12A5F7C9F6A)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Glupteba | Glupteba is a trojan horse malware that is one of the top ten malware variants of 2021. After infecting a system, the Glupteba malware can be used to deliver additional malware, steal user authentication information, and enroll the infected system in a cryptomining botnet. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
SmokeLoader | The SmokeLoader family is a generic backdoor with a range of capabilities which depend on the modules included in any given build of the malware. The malware is delivered in a variety of ways and is broadly associated with criminal activity. The malware frequently tries to hide its C2 activity by generating requests to legitimate sites such as microsoft.com, bing.com, adobe.com, and others. Typically the actual Download returns an HTTP 404 but still contains data in the Response Body. |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Stealc | Stealc is an information stealer advertised by its presumed developer Plymouth on Russian-speaking underground forums and sold as a Malware-as-a-Service since January 9, 2023. According to Plymouth's statement, stealc is a non-resident stealer with flexible data collection settings and its development is relied on other prominent stealers: Vidar, Raccoon, Mars and Redline.Stealc is written in C and uses WinAPI functions. It mainly targets date from web browsers, extensions and Desktop application of cryptocurrency wallets, and from other applications (messengers, email clients, etc.). The malware downloads 7 legitimate third-party DLLs to collect sensitive data from web browsers, including sqlite3.dll, nss3.dll, vcruntime140.dll, mozglue.dll, freebl3.dll, softokn3.dll and msvcp140.dll. It then exfiltrates the collected information file by file to its C2 server using HTTP POST requests. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
xmrig | According to PCrisk, XMRIG is a completely legitimate open-source application that utilizes system CPUs to mine Monero cryptocurrency. Unfortunately, criminals generate revenue by infiltrating this app into systems without users' consent. This deceptive marketing method is called "bundling".In most cases, "bundling" is used to infiltrate several potentially unwanted programs (PUAs) at once. So, there is a high probability that XMRIG Virus came with a number of adware-type applications that deliver intrusive ads and gather sensitive information. | No Attribution |
{"Version": 2022, "C2 list": ["http://goodfooggooftool.net/index.php", "http://sulugilioiu19.net/index.php", "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"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Stealc_1 | Yara detected Stealc | Joe Security | ||
JoeSecurity_Xmrig | Yara detected Xmrig cryptocurrency miner | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_DelphiSystemParamCount | Detected Delphi use of System.ParamCount() | Joe Security | ||
MALWARE_Win_DLInjector04 | Detects downloader / injector | ditekSHen |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_Smokeloader_3687686f | unknown | unknown |
| |
JoeSecurity_Socks5Systemz | Yara detected Socks5Systemz | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
Windows_Trojan_Smokeloader_4e31426e | unknown | unknown |
| |
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
Click to see the 28 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_SmokeLoader_2 | Yara detected SmokeLoader | Joe Security | ||
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) | ditekSHen |
| |
Click to see the 7 entries |
System Summary |
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Source: | Author: Sander Wiebing, Tim Shelton, Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Max Altgelt (Nextron Systems), Tim Shelton: |
Source: | Author: Florian Roth (Nextron Systems), Patrick Bareiss, Anton Kutepov, oscd.community, Nasreddine Bencherchali: |
Source: | Author: Tim Rauch: |
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split): |
Source: | Author: Max Altgelt (Nextron Systems): |
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split): |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Source: | Author: vburov: |
Timestamp: | 192.168.2.3172.67.221.3549717802019714 02/08/24-19:08:47.917372 |
SID: | 2019714 |
Source Port: | 49717 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 192.168.2.3104.21.80.171497154432050574 02/08/24-19:08:47.171628 |
SID: | 2050574 |
Source Port: | 49715 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.31.1.1.154225532050567 02/08/24-19:08:47.042247 |
SID: | 2050567 |
Source Port: | 54225 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.2.391.215.85.12049711802039103 02/08/24-19:08:47.388216 |
SID: | 2039103 |
Source Port: | 49711 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Binary or memory string: | memstr_10ae3bad-5 |
Exploits |
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Privilege Escalation |
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Bitcoin Miner |
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Compliance |
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Source: | Unpacked PE file: | ||
Source: | Unpacked PE file: |
Source: | Static PE information: |
Source: | File opened: | Jump to behavior |
Source: | HTTPS traffic detected: | ||
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Source: | Code function: | 18_2_00462578 | |
Source: | Code function: | 18_2_00452A34 | |
Source: | Code function: | 18_2_00474D70 | |
Source: | Code function: | 18_2_004975B0 | |
Source: | Code function: | 18_2_00463B04 | |
Source: | Code function: | 18_2_00463F80 |
Networking |
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