| File name: | K.exe |
| Full analysis: | https://app.any.run/tasks/ecceb494-8180-4623-beee-9ccb2dc6f1ea |
| Verdict: | Malicious activity |
| Analysis date: | May 21, 2022, 05:00:22 |
| 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: | E5815C251D7740DF5600AAB5C732EF4A |
| SHA1: | BB274507F26F82FA8C89D1D8C284B78820A8AA4F |
| SHA256: | 9C08A18045C8E128D26E0CED13D432FD81E2F3F9FEE32397997317426DF93748 |
| SSDEEP: | 49152:RtsmhnqAs9pJc0dnKh+Q0N1rs+vIUSg+6+8ohnRh1Na1OKM6nYAKhFQpSH3Oh5gr:R7qXpy05Q0N1rsYSZ6BoXh1kkypSH3O6 |
MALICIOUS
Application was dropped or rewritten from another process
- RtkBtManServ.exe (PID: 3460)
Disables Windows Defender
- reg.exe (PID: 3844)
- reg.exe (PID: 3532)
- reg.exe (PID: 3256)
- reg.exe (PID: 2960)
- reg.exe (PID: 3152)
Drops executable file immediately after starts
- RtkBtManServ.exe (PID: 3460)
- K.exe (PID: 2968)
Writes to a start menu file
- K.exe (PID: 2968)
Uses Task Scheduler to run other applications
- cmd.exe (PID: 2644)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 3988)
- schtasks.exe (PID: 836)
- schtasks.exe (PID: 1936)
- schtasks.exe (PID: 2692)
- schtasks.exe (PID: 1556)
Creates or modifies windows services
- reg.exe (PID: 3744)
Steals credentials from Web Browsers
- RtkBtManServ.exe (PID: 3460)
Actions looks like stealing of personal data
- RtkBtManServ.exe (PID: 3460)
SUSPICIOUS
Drops a file with a compile date too recent
- K.exe (PID: 2968)
- RtkBtManServ.exe (PID: 3460)
Creates files in the user directory
- K.exe (PID: 2968)
Checks supported languages
- RtkBtManServ.exe (PID: 3460)
- K.exe (PID: 2968)
- cmd.exe (PID: 2644)
Reads the computer name
- K.exe (PID: 2968)
- RtkBtManServ.exe (PID: 3460)
Starts CMD.EXE for commands execution
- K.exe (PID: 2968)
Uses REG.EXE to modify Windows registry
- cmd.exe (PID: 2644)
Executable content was dropped or overwritten
- RtkBtManServ.exe (PID: 3460)
- K.exe (PID: 2968)
Creates or modifies windows services
- reg.exe (PID: 3464)
- reg.exe (PID: 3580)
- reg.exe (PID: 3700)
- reg.exe (PID: 2872)
Reads Environment values
- RtkBtManServ.exe (PID: 3460)
Reads the cookies of Mozilla Firefox
- RtkBtManServ.exe (PID: 3460)
INFO
Checks supported languages
- reg.exe (PID: 1408)
- reg.exe (PID: 2588)
- reg.exe (PID: 3844)
- reg.exe (PID: 2604)
- reg.exe (PID: 2960)
- reg.exe (PID: 3152)
- reg.exe (PID: 3256)
- reg.exe (PID: 3532)
- reg.exe (PID: 3456)
- reg.exe (PID: 3520)
- reg.exe (PID: 1780)
- reg.exe (PID: 3484)
- reg.exe (PID: 3864)
- reg.exe (PID: 1848)
- reg.exe (PID: 3788)
- schtasks.exe (PID: 3988)
- schtasks.exe (PID: 1936)
- schtasks.exe (PID: 2692)
- schtasks.exe (PID: 1556)
- schtasks.exe (PID: 836)
- reg.exe (PID: 3580)
- reg.exe (PID: 3700)
- reg.exe (PID: 3744)
- reg.exe (PID: 4016)
- reg.exe (PID: 1984)
- reg.exe (PID: 2600)
- reg.exe (PID: 3100)
- reg.exe (PID: 3180)
- reg.exe (PID: 2872)
- reg.exe (PID: 3464)
Reads the computer name
- schtasks.exe (PID: 836)
- schtasks.exe (PID: 1936)
- schtasks.exe (PID: 2692)
- schtasks.exe (PID: 3988)
- schtasks.exe (PID: 1556)
Reads settings of System Certificates
- RtkBtManServ.exe (PID: 3460)
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: | 0x2fa00a |
| UninitializedDataSize: | - |
| InitializedDataSize: | 10240 |
| CodeSize: | 3086336 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2022:04:20 06:35:31+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 20-Apr-2022 04:35:31 |
| 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: | 20-Apr-2022 04:35:31 |
| 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 |
|---|---|---|---|---|---|
Bj\x1b\x06\x0a'MH\xf8\x1f | 0x00002000 | 0x00001FF8 | 0x00002000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.97755 |
.text | 0x00004000 | 0x002F1538 | 0x002F1600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.98853 |
.rsrc | 0x002F6000 | 0x000004F0 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.77495 |
.reloc | 0x002F8000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
0x002FA000 | 0x00000010 | 0x00000200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 0.707121 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
70
Monitored processes
33
Malicious processes
3
Suspicious processes
6
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 836 | schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /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
| |||||||||||||||
| 1408 | reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /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
| |||||||||||||||
| 1556 | schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /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
| |||||||||||||||
| 1780 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /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: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1848 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /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
| |||||||||||||||
| 1936 | 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
| |||||||||||||||
| 1984 | reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\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
| |||||||||||||||
| 2588 | reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /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
| |||||||||||||||
| 2600 | reg delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /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
| |||||||||||||||
| 2604 | 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
| |||||||||||||||
Total events
4 177
Read events
4 123
Write events
52
Delete events
2
Modification events
| (PID) Process: | (2968) K.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2968) K.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2968) K.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2968) K.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1408) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (1408) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (3844) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiSpyware |
Value: 1 | |||
| (PID) Process: | (2588) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiVirus |
Value: 1 | |||
| (PID) Process: | (2604) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\MpEngine |
| Operation: | write | Name: | MpEnablePus |
Value: 0 | |||
| (PID) Process: | (2960) 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
19
Text files
6
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2968 | K.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Update Manager2340143.exe | executable | |
MD5:— | SHA256:— | |||
| 2968 | K.exe | C:\Users\admin\AppData\Local\Temp\whysosad | text | |
MD5:FC3C88C2080884D6C995D48E172FBC4F | SHA256:1637CE704A463BD3C91A38AA02D1030107670F91EE3F0DD4FA13D07A77BA2664 | |||
| 2968 | K.exe | C:\Users\admin\AppData\Local\Temp\config | binary | |
MD5:5CF0B95F68C3304427F858DB1CDDE895 | SHA256:353DE1200B65A2E89E84B32067A908103CCA22AD2E51BA62C171EEF3C25B73AA | |||
| 3460 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\bfsvc.cfg | text | |
MD5:5242530A2B65089696F3CF8E5EE02FF7 | SHA256:239A1D9844DDBD0E650F8E5DE69A2A40067106A79878FA4948A8039F1573B781 | |||
| 3460 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\xwizard.cfg | text | |
MD5:AE8EED5A6B1470AEC0E7FECE8B0669EF | SHA256:3F6CA2BC068C8436044DAAB867F8FF8F75060048B29882CB2AC9FDEF1800DF9E | |||
| 3460 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\hh.exe | executable | |
MD5:4D4C98ECA32B14AEB074DB34CD0881E4 | SHA256:4182172A01BDFC08C5CF7E8652F7D9D81858345A770E2B6B507840E4C1C7764F | |||
| 3460 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\bfsvc.exe | executable | |
MD5:899D3ED011EB58459B8A4FC2B81F0924 | SHA256:5E3F311AE67F046B56435067BCDD39FBF836FA0421FBC8C8B0E43E8E47524954 | |||
| 3460 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\costura.costura.dll.compressed | binary | |
MD5:9AB99399CB17964E3E30B7DDEB6BB8B9 | SHA256:BDFED3E39A17DBC95D43FC5141904414A62E8B459F338F65A2F1C3D1FACDDD2F | |||
| 3460 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\xwizard.exe | executable | |
MD5:DF991217F1CFADD9ACFA56F878DA5EE7 | SHA256:DEB1246347CE88E8CDD63A233A64BC2090B839F2D933A3097A2FD8FD913C4112 | |||
| 3460 | RtkBtManServ.exe | C:\Users\admin\AppData\Local\Temp\splwow64.exe | executable | |
MD5:0D8360781E488E250587A17FBEFA646C | SHA256:EBFF7D07EFDA7245192CE6ECD7767578152B515B510C887CA2880A2566071F64 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
2
Threats
7
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 |
|---|---|---|---|---|---|---|
— | — | 162.159.136.232:443 | discord.com | Cloudflare Inc | — | shared |
3460 | 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 |
3460 | RtkBtManServ.exe | Misc activity | ET INFO Observed Discord Domain (discord .com in TLS SNI) |
3460 | RtkBtManServ.exe | Misc activity | ET INFO Observed Discord Domain (discord .com in TLS SNI) |
— | — | Misc activity | ET INFO Observed Discord Domain (discord .com in TLS SNI) |
— | — | Misc activity | ET INFO Observed Discord Domain (discord .com in TLS SNI) |
— | — | Misc activity | ET INFO Observed Discord Domain (discord .com in TLS SNI) |
— | — | Misc activity | ET INFO Observed Discord Domain (discord .com in TLS SNI) |