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Windows
Analysis Report
Bjl3geiFEK.exe
Overview
General Information
Sample name: | Bjl3geiFEK.exerenamed because original name is a hash value |
Original sample name: | ed9fbbbe548c41479cb70e4d694793d0.exe |
Analysis ID: | 1543742 |
MD5: | ed9fbbbe548c41479cb70e4d694793d0 |
SHA1: | a0bde162d2241ab2acb58544511a41df30a096a7 |
SHA256: | 6fc8b5b8a90cf8ba7e0eb930fcdde776f8eeb3f37913318df7766a365e13fa8e |
Tags: | 32exetrojan |
Infos: | |
Detection
Phorpiex
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for dropped file
Sigma detected: Stop multiple services
Suricata IDS alerts for network traffic
Yara detected Phorpiex
AI detected suspicious sample
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to check if Internet connection is working
Contains functionality to detect sleep reduction / modifications
Drops PE files with a suspicious file extension
Drops executables to the windows directory (C:\Windows) and starts them
Found evasive API chain (may stop execution after checking mutex)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Stops critical windows services
Contains functionality for read data from the clipboard
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to download and execute PE files
Contains functionality to download and launch executables
Contains functionality to dynamically determine API calls
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the clipboard data
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)
Creates files inside the system directory
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 windows directory (C:\Windows)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found evaded block containing many API calls
Found evasive API chain (may stop execution after accessing registry keys)
Found large amount of non-executed APIs
IP address seen in connection with other malware
Installs a raw input device (often for capturing keystrokes)
Internet Provider seen in connection with other malware
May check if the current machine is a sandbox (GetTickCount - Sleep)
May sleep (evasive loops) to hinder dynamic analysis
Modifies existing windows services
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive Operating System Information (via WMI, Win32_ComputerSystem, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Powershell Defender Exclusion
Sigma detected: SCR File Write Event
Sigma detected: Suspicious Screensaver Binary File Creation
Sigma detected: Wow6432Node CurrentVersion Autorun Keys Modification
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Classification
- System is w10x64
- Bjl3geiFEK.exe (PID: 6852 cmdline:
"C:\Users\ user\Deskt op\Bjl3gei FEK.exe" MD5: ED9FBBBE548C41479CB70E4D694793D0) - 33080.scr (PID: 7112 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\33080. scr" /S MD5: 06560B5E92D704395BC6DAE58BC7E794) - sysppvrdnvs.exe (PID: 3060 cmdline:
C:\Windows \sysppvrdn vs.exe MD5: 06560B5E92D704395BC6DAE58BC7E794) - cmd.exe (PID: 4488 cmdline:
"C:\Window s\System32 \cmd.exe" /c powersh ell -Comma nd "Add-Mp Preference -Exclusio nPath $env :windir; A dd-MpPrefe rence -Exc lusionPath $env:TEMP ; Add-MpPr eference - ExclusionP ath $env:U SERPROFILE " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 4592 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 4092 cmdline:
powershell -Command "Add-MpPre ference -E xclusionPa th $env:wi ndir; Add- MpPreferen ce -Exclus ionPath $e nv:TEMP; A dd-MpPrefe rence -Exc lusionPath $env:USER PROFILE" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - WmiPrvSE.exe (PID: 7120 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) - cmd.exe (PID: 2188 cmdline:
"C:\Window s\System32 \cmd.exe" /c sc stop UsoSvc & sc stop Wa aSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS /wait MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 3236 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - sc.exe (PID: 2380 cmdline:
sc stop Us oSvc MD5: D9D7684B8431A0D10D0E76FE9F5FFEC8) - sc.exe (PID: 5940 cmdline:
sc stop Wa aSMedicSvc MD5: D9D7684B8431A0D10D0E76FE9F5FFEC8) - sc.exe (PID: 6512 cmdline:
sc stop wu auserv MD5: D9D7684B8431A0D10D0E76FE9F5FFEC8) - sc.exe (PID: 3620 cmdline:
sc stop Do Svc MD5: D9D7684B8431A0D10D0E76FE9F5FFEC8) - sc.exe (PID: 6996 cmdline:
sc stop BI TS /wait MD5: D9D7684B8431A0D10D0E76FE9F5FFEC8) - 818921588.exe (PID: 1516 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\8189215 88.exe MD5: 06560B5E92D704395BC6DAE58BC7E794)
- sysppvrdnvs.exe (PID: 4628 cmdline:
"C:\Window s\sysppvrd nvs.exe" MD5: 06560B5E92D704395BC6DAE58BC7E794)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Phorpiex | Proofpoint describes Phorpiex/Trik as a SDBot fork (thus IRC-based) that has been used to distribute GandCrab, Pushdo, Pony, and coinminers. The name Trik is derived from PDB strings. | No Attribution |
{"C2 url": ["http://185.215.113.66/", "http://91.202.233.141/"], "Wallet": ["15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC", "1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK", "lskaj7asu8rwp4p9kpdqebnqh6kzyuefzqjszyd5w", "ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp", "zil19delrukejtr306u0s7ludxrwk434jcl6ghpng3", "zncBgwqwqquPLHrM4ozrtr3LPyFuNVemy4v", "cro1xq0gkfldclds7y7fa2x6x25zu7ttnxxkjs66gf", "erd1hwcnscv0tldljl68upajgfqrcrmtznth4n6ee46le43cqpe5tatqw96dnx", "kava1r9xek0h0vkfra44lg3rp07teh9elxg2n6vsdzn", "inj1e2g9nyfjcnvgjpaa3czx2spgf2jx3gp4gk0nl9", "osmo125f3mw4xd9htpsq4zj5w5ezm5gags37y6pnhx3", "one1mnk7lk2506r0ewvr7zgwfuyt7ahvngwqedka3x", "3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc", "3ESHude8zUHksQg1h6hHmzY79BS36L91Yn", "DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA", "DsWwjQcpgo8AoFYvFnLrwFpcx8wgjSYLexe", "t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh", "terra1mw3dhwak2qe46drv4g7lvgwn79fzm8nr0htdq5", "thor1tdexg3v738xg9n289d6586frflkkcxxdgtauur", "tz1ZUNuZkWjdTt597axUcyZ5kFRtUZmUKuG2", "stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj", "stride125f3mw4xd9htpsq4zj5w5ezm5gags37y33qmy0", "sei125f3mw4xd9htpsq4zj5w5ezm5gags37ylk33kz", "sys1q0zg3clqajs04p2yhkgf96nf4hmup9mdr8l38u6", "bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2", "bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr", "bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd", "btg1qwg85kf0r3885a82wtld053fy490lm2q2gemgpy", "ronin:a77fa3ea6e09a5f3fbfcb2a42fe21b5cf0ecdd17", "bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r", "cosmos125f3mw4xd9htpsq4zj5w5ezm5gags37yj6q8sr", "addr1qxlwyj95fk9exqf55tdknx49e5443nr925tajatrdqpp8djla7u9jhswc3dk39se79f9zhwwq2ca95er3mylm48wyalqr62dmg", "nano_3p8stz4wqicgda1g3ifd48girzd5u74is8sdqq99tkuuz1b96wjwbc7yrmnb", "GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3", "Gcrx8cK7ffKLaPJwiYHQrgi6pFTLbJsBPV", "EQxXrZv7VQpoAA15kJ1XJyXVxT3yQSoNyM", "B62qpDfv86fUZc4ntrYJL6eFJZajjNKRcBuW5iPbcLNkiPekLkV8NdA", "BKyTYg4eZC9NCzcL8M3hcUmDhCnBJrSScH", "UQAbBKbfkiK3Gjo86zgD3yYO5Njf7zxPTEO4JLqN13ruoGDb"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
Click to see the 9 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
JoeSecurity_Phorpiex_4 | Yara detected Phorpiex | Joe Security | ||
Click to see the 3 entries |
Operating System Destruction |
---|
Source: | Author: Joe Security: |
System Summary |
---|
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Christopher Peacock @securepeacock, SCYTHE @scythe_io: |
Source: | Author: frack113: |
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): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-28T11:11:12.755493+0100 | 2022050 | 1 | A Network Trojan was detected | 185.215.113.66 | 80 | 192.168.2.4 | 49730 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-28T11:11:13.063265+0100 | 2022051 | 1 | A Network Trojan was detected | 185.215.113.66 | 80 | 192.168.2.4 | 49730 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-28T11:11:23.546010+0100 | 2044077 | 1 | A Network Trojan was detected | 192.168.2.4 | 50345 | 5.239.153.192 | 40500 | UDP |
2024-10-28T11:11:28.559672+0100 | 2044077 | 1 | A Network Trojan was detected | 192.168.2.4 | 50345 | 5.75.95.114 | 40500 | UDP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-28T11:11:21.513089+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.4 | 49731 | 185.215.113.66 | 80 | TCP |
2024-10-28T11:11:23.515407+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.4 | 49734 | 185.215.113.66 | 80 | TCP |
2024-10-28T11:11:26.495491+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.4 | 49740 | 91.202.233.141 | 80 | TCP |
2024-10-28T11:11:29.339713+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.4 | 57562 | 185.215.113.66 | 80 | TCP |
2024-10-28T11:11:31.283957+0100 | 2803274 | 2 | Potentially Bad Traffic | 192.168.2.4 | 57563 | 185.215.113.66 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-28T11:11:11.839337+0100 | 2837677 | 1 | A Network Trojan was detected | 185.215.113.66 | 80 | 192.168.2.4 | 49731 | TCP |
2024-10-28T11:11:23.823677+0100 | 2837677 | 1 | A Network Trojan was detected | 185.215.113.66 | 80 | 192.168.2.4 | 49734 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-10-28T11:11:21.513089+0100 | 2848295 | 1 | A Network Trojan was detected | 192.168.2.4 | 49731 | 185.215.113.66 | 80 | TCP |
2024-10-28T11:11:23.515407+0100 | 2848295 | 1 | A Network Trojan was detected | 192.168.2.4 | 49734 | 185.215.113.66 | 80 | TCP |
2024-10-28T11:11:29.339713+0100 | 2848295 | 1 | A Network Trojan was detected | 192.168.2.4 | 57562 | 185.215.113.66 | 80 | TCP |
2024-10-28T11:11:31.283957+0100 | 2848295 | 1 | A Network Trojan was detected | 192.168.2.4 | 57563 | 185.215.113.66 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira: | ||
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Source: | Malware Configuration Extractor: |
Source: | ReversingLabs: | ||
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Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: | ||
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Source: | Joe Sandbox ML: |
Source: | Code function: | 1_2_0040C830 | |
Source: | Code function: | 2_2_0040C830 | |
Source: | Code function: | 17_2_0040C830 |
Phishing |
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Source: | File opened: | Jump to behavior |
Source: | Static PE information: |
Source: | Code function: | 1_2_004068E0 | |
Source: | Code function: | 1_2_004067A0 | |
Source: | Code function: | 2_2_004068E0 | |
Source: | Code function: | 2_2_004067A0 | |
Source: | Code function: | 17_2_004068E0 | |
Source: | Code function: | 17_2_004067A0 |
Networking |
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Source: | Suricata IDS: | ||
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Source: | Code function: | 1_2_0040B430 | |
Source: | Code function: | 2_2_0040B430 | |
Source: | Code function: | 17_2_0040B430 |
Source: | Code function: | 0_2_004B10B0 |
Source: | TCP traffic: | ||
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Source: | UDP traffic: | ||
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Source: | HTTP traffic detected: |