| File name: | EZ_BUILDER.EXE |
| Full analysis: | https://app.any.run/tasks/03ada044-ffed-4dd1-a80c-5383ec1ee9f8 |
| Verdict: | Malicious activity |
| Analysis date: | January 24, 2022, 19:00:30 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | C41A8A18F07932A89A4F0077EAA35D08 |
| SHA1: | E64F17E411C57014B7DF8CF52EE51819543A80E9 |
| SHA256: | 7D6CF44A2DA893C469AF0A39358F3C69DFA7DEE04EDCED7527FE3E881CD1B94C |
| SSDEEP: | 98304:uqXpy05Q0N1rsYSZ6BoXh1kkypSH3Oh5BemgwI:z405QYtsTEB08T8HehLve |
MALICIOUS
Writes to a start menu file
- EZ_BUILDER.EXE (PID: 3148)
Disables Windows Defender
- reg.exe (PID: 3476)
- reg.exe (PID: 1828)
- reg.exe (PID: 1076)
- reg.exe (PID: 1544)
- reg.exe (PID: 1388)
Uses Task Scheduler to run other applications
- cmd.exe (PID: 3468)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 2156)
- schtasks.exe (PID: 3024)
- schtasks.exe (PID: 1608)
- schtasks.exe (PID: 3872)
- schtasks.exe (PID: 1984)
Modifies Windows Defender service settings
- reg.exe (PID: 2992)
Application was dropped or rewritten from another process
- RtkBtManServ.exe (PID: 492)
- snuvcdsm.exe (PID: 2744)
- winhlp32.exe (PID: 2504)
- hh.exe (PID: 3588)
- splwow64.exe (PID: 3472)
Steals credentials from Web Browsers
- RtkBtManServ.exe (PID: 492)
- snuvcdsm.exe (PID: 2744)
Actions looks like stealing of personal data
- RtkBtManServ.exe (PID: 492)
- snuvcdsm.exe (PID: 2744)
SUSPICIOUS
Reads the computer name
- EZ_BUILDER.EXE (PID: 3148)
- RtkBtManServ.exe (PID: 492)
- WScript.exe (PID: 3056)
- snuvcdsm.exe (PID: 2744)
- WScript.exe (PID: 2372)
- winhlp32.exe (PID: 2504)
Checks supported languages
- RtkBtManServ.exe (PID: 492)
- cmd.exe (PID: 3468)
- snuvcdsm.exe (PID: 2744)
- WScript.exe (PID: 2372)
- cmd.exe (PID: 508)
- winhlp32.exe (PID: 2504)
- splwow64.exe (PID: 3472)
- WScript.exe (PID: 3056)
- cmd.exe (PID: 3196)
- hh.exe (PID: 3588)
- EZ_BUILDER.EXE (PID: 3148)
Starts CMD.EXE for commands execution
- EZ_BUILDER.EXE (PID: 3148)
- WScript.exe (PID: 3056)
- WScript.exe (PID: 2372)
Drops a file with a compile date too recent
- EZ_BUILDER.EXE (PID: 3148)
Executable content was dropped or overwritten
- EZ_BUILDER.EXE (PID: 3148)
- RtkBtManServ.exe (PID: 492)
Creates files in the user directory
- EZ_BUILDER.EXE (PID: 3148)
- splwow64.exe (PID: 3472)
Uses REG.EXE to modify Windows registry
- cmd.exe (PID: 3468)
Drops a file that was compiled in debug mode
- RtkBtManServ.exe (PID: 492)
Creates or modifies windows services
- reg.exe (PID: 2508)
- reg.exe (PID: 3456)
- reg.exe (PID: 3132)
- reg.exe (PID: 3324)
Reads Environment values
- RtkBtManServ.exe (PID: 492)
Reads the cookies of Mozilla Firefox
- RtkBtManServ.exe (PID: 492)
Executes scripts
- RtkBtManServ.exe (PID: 492)
Reads the cookies of Google Chrome
- winhlp32.exe (PID: 2504)
Loads DLL from Mozilla Firefox
- splwow64.exe (PID: 3472)
INFO
Checks supported languages
- reg.exe (PID: 1984)
- reg.exe (PID: 3476)
- reg.exe (PID: 3488)
- reg.exe (PID: 1404)
- reg.exe (PID: 1828)
- reg.exe (PID: 1076)
- reg.exe (PID: 1544)
- reg.exe (PID: 3260)
- reg.exe (PID: 964)
- reg.exe (PID: 3196)
- reg.exe (PID: 3172)
- reg.exe (PID: 2512)
- reg.exe (PID: 4012)
- reg.exe (PID: 2732)
- reg.exe (PID: 1388)
- schtasks.exe (PID: 1608)
- schtasks.exe (PID: 3872)
- reg.exe (PID: 3636)
- reg.exe (PID: 1324)
- schtasks.exe (PID: 1984)
- reg.exe (PID: 3204)
- reg.exe (PID: 2828)
- schtasks.exe (PID: 2156)
- schtasks.exe (PID: 3024)
- reg.exe (PID: 2508)
- reg.exe (PID: 3456)
- reg.exe (PID: 3132)
- reg.exe (PID: 3324)
- reg.exe (PID: 2992)
- reg.exe (PID: 2504)
Reads the computer name
- schtasks.exe (PID: 1608)
- schtasks.exe (PID: 3872)
- schtasks.exe (PID: 1984)
- schtasks.exe (PID: 2156)
- schtasks.exe (PID: 3024)
Reads settings of System Certificates
- RtkBtManServ.exe (PID: 492)
Checks Windows Trust Settings
- WScript.exe (PID: 3056)
- WScript.exe (PID: 2372)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (41) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (36.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.6) |
| .exe | | | Win32 Executable (generic) (5.9) |
| .exe | | | Win16/32 Executable Delphi generic (2.7) |
EXIF
EXE
| AssemblyVersion: | 1.0.0.0 |
|---|---|
| ProductVersion: | 1.0.0.0 |
| OriginalFileName: | Obfuscated Name.exe |
| LegalCopyright: | |
| InternalName: | Obfuscated Name.exe |
| FileVersion: | 1.0.0.0 |
| FileDescription: | |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x31600a |
| UninitializedDataSize: | - |
| InitializedDataSize: | 116224 |
| CodeSize: | 3086848 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2022:01:24 19:48:50+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 24-Jan-2022 18:48:50 |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Obfuscated Name.exe |
| LegalCopyright: | - |
| OriginalFilename: | Obfuscated Name.exe |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 24-Jan-2022 18:48:50 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
1\x14luNqS?8 | 0x00002000 | 0x00002038 | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.97782 |
.text | 0x00006000 | 0x002F1750 | 0x002F1800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.98846 |
.rsrc | 0x002F8000 | 0x0001A108 | 0x0001A200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.95356 |
.reloc | 0x00314000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
0x00316000 | 0x00000010 | 0x00000200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 0.714934 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 7.97505 | 97930 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 7.94358 | 4403 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 7.89558 | 2111 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 7.54745 | 691 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.43388 | 62 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
81
Monitored processes
41
Malicious processes
3
Suspicious processes
8
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 492 | "C:\Users\admin\AppData\Local\Temp\RtkBtManServ.exe" ZhXl39BlhP84+Y4kurA8wpehxxqA0X22IMYZ6Vpiqs5Ee60ydv9oPYweItmb92ekxK9BcZKF28eAhNpfOy0MPpK09EXC/EGZSveVS/YYjuAfwW3mLpZn+GZnzx+7KagcBiSSh8qFHOyHB5lIVhWNGDm3nAHZjS+F71La+2SUeiE= | C:\Users\admin\AppData\Local\Temp\RtkBtManServ.exe | EZ_BUILDER.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Description: RtkBtManServ Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 508 | "C:\Windows\System32\cmd.exe" /c compile.bat | C:\Windows\System32\cmd.exe | — | WScript.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 964 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1076 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1324 | reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "SecurityHealth" /f | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1388 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1404 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1544 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1608 | schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable | C:\Windows\system32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1828 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
5 622
Read events
5 544
Write events
76
Delete events
2
Modification events
| (PID) Process: | (3148) EZ_BUILDER.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (3148) EZ_BUILDER.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (3148) EZ_BUILDER.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (3148) EZ_BUILDER.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1984) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (1984) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (3476) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiSpyware |
Value: 1 | |||
| (PID) Process: | (3488) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiVirus |
Value: 1 | |||
| (PID) Process: | (1404) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\MpEngine |
| Operation: | write | Name: | MpEnablePus |
Value: 0 | |||
| (PID) Process: | (1828) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection |
| Operation: | write | Name: | DisableBehaviorMonitoring |
Value: 1 | |||
Executable files
8
Suspicious files
20
Text files
13
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3148 | EZ_BUILDER.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Update Manager2356110.exe | executable | |
MD5:— | SHA256:— | |||
| 492 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\xwizard.cfg | text | |
MD5:AE8EED5A6B1470AEC0E7FECE8B0669EF | SHA256:3F6CA2BC068C8436044DAAB867F8FF8F75060048B29882CB2AC9FDEF1800DF9E | |||
| 492 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\hh.exe | executable | |
MD5:4D4C98ECA32B14AEB074DB34CD0881E4 | SHA256:4182172A01BDFC08C5CF7E8652F7D9D81858345A770E2B6B507840E4C1C7764F | |||
| 492 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\splwow64.exe | executable | |
MD5:0D8360781E488E250587A17FBEFA646C | SHA256:EBFF7D07EFDA7245192CE6ECD7767578152B515B510C887CA2880A2566071F64 | |||
| 492 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\xwizard.exe | executable | |
MD5:DF991217F1CFADD9ACFA56F878DA5EE7 | SHA256:DEB1246347CE88E8CDD63A233A64BC2090B839F2D933A3097A2FD8FD913C4112 | |||
| 492 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\bfsvc.exe | executable | |
MD5:899D3ED011EB58459B8A4FC2B81F0924 | SHA256:5E3F311AE67F046B56435067BCDD39FBF836FA0421FBC8C8B0E43E8E47524954 | |||
| 3148 | EZ_BUILDER.EXE | C:\Users\admin\AppData\Local\Temp\config | binary | |
MD5:1BA367D0F9AAC0F650E65AB7401776C0 | SHA256:68C4EC552C98F3B5A4744E4EEFADD6364DC8075C2E718B7BCBFC76625AA60D03 | |||
| 492 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\bfsvc.cfg | text | |
MD5:5242530A2B65089696F3CF8E5EE02FF7 | SHA256:239A1D9844DDBD0E650F8E5DE69A2A40067106A79878FA4948A8039F1573B781 | |||
| 3148 | EZ_BUILDER.EXE | C:\Users\admin\AppData\Local\Temp\dav.bat | text | |
MD5:FC3C88C2080884D6C995D48E172FBC4F | SHA256:1637CE704A463BD3C91A38AA02D1030107670F91EE3F0DD4FA13D07A77BA2664 | |||
| 492 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\costura.dotnetzip.dll.compressed | gax | |
MD5:D8DDF1B53026B9CD42CB65CBA187F726 | SHA256:1C180A0267230CB43C84ED8CD3B2BD1A660C54AED994001ECFE94CF71D951FF6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
7
DNS requests
2
Threats
1
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
492 | RtkBtManServ.exe | 162.159.135.232:443 | discord.com | Cloudflare Inc | — | malicious |
492 | RtkBtManServ.exe | 162.159.136.232:443 | discord.com | Cloudflare Inc | — | shared |
DNS requests
Domain | IP | Reputation |
|---|---|---|
itroublvehacker.gq |
| whitelisted |
discord.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .gq Domain |