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| File name: | a.exe |
| Full analysis: | https://app.any.run/tasks/a31db648-508c-46ec-a29a-fbcc4d93cca2 |
| Verdict: | Malicious activity |
| Analysis date: | December 18, 2018, 14:12:17 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows |
| MD5: | D02FCFAAA123AB35D9E193665072CA15 |
| SHA1: | A82F557FB71F5CAA47143CE27D0B4EED410C3B00 |
| SHA256: | 6847BD9C431B65456654CE635CE365CA4C66BB056F648EAB54E87AD7B7269C60 |
| SSDEEP: | 6144:HwXzoMXB0YUtp1eCgQxChNuW+TVncj60CUqKPq5VnPbMs12gP34vXbUnXx:HwDowB0ptp17xgA3cGNT312gP3b |
MALICIOUS
Stops/Deletes Windows Defender service
- cmd.exe (PID: 2472)
- cmd.exe (PID: 2424)
- cmd.exe (PID: 2756)
- cmd.exe (PID: 2796)
Known privilege escalation attack
- DllHost.exe (PID: 3508)
Loads the Task Scheduler COM API
- a.exe (PID: 2448)
- a.exe (PID: 2440)
Changes settings of System certificates
- a.exe (PID: 2440)
SUSPICIOUS
Starts CMD.EXE for commands execution
- a.exe (PID: 3060)
- a.exe (PID: 2448)
Creates files in the user directory
- a.exe (PID: 3060)
- powershell.exe (PID: 3912)
- powershell.exe (PID: 2500)
- a.exe (PID: 2440)
Executable content was dropped or overwritten
- a.exe (PID: 3060)
Executes PowerShell scripts
- cmd.exe (PID: 2572)
- cmd.exe (PID: 1036)
Adds / modifies Windows certificates
- a.exe (PID: 2440)
Creates files in the program directory
- a.exe (PID: 2440)
Connects to unusual port
- a.exe (PID: 2440)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .dll | | | Win32 Dynamic Link Library (generic) (43.5) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (29.8) |
| .exe | | | Generic Win/DOS Executable (13.2) |
| .exe | | | DOS Executable Generic (13.2) |
| .vxd | | | VXD Driver (0.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:11:05 10:57:55+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.23 |
| CodeSize: | 84992 |
| InitializedDataSize: | 386560 |
| UninitializedDataSize: | 512 |
| EntryPoint: | 0x12a0 |
| OSVersion: | 4 |
| ImageVersion: | 1 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Unknown (0) |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | - |
| FileVersion: | 1.0.0.0 |
| FileDescription: | Developed using the Dev-C++ IDE |
| InternalName: | - |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | - |
| ProductName: | - |
| ProductVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Nov-2018 09:57:55 |
| Detected languages: |
|
| TLS Callbacks: | 2 callback(s) detected. |
| CompanyName: | - |
| FileVersion: | 1.0.0.0 |
| FileDescription: | Developed using the Dev-C++ IDE |
| InternalName: | - |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | - |
| ProductName: | - |
| ProductVersion: | 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: | 9 |
| Time date stamp: | 05-Nov-2018 09:57:55 |
| 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 |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00014A80 | 0x00014C00 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_2048BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_8BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.96673 |
.data | 0x00016000 | 0x00042C08 | 0x00042E00 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_2048BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_8BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.7758 |
.rdata | 0x00059000 | 0x00002460 | 0x00002600 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_2048BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_8BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.04877 |
.eh_fram\xbc+ | 0x0005C000 | 0x00002BBC | 0x00002C00 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.88701 |
.bss | 0x0005F000 | 0x000000B8 | 0x00000000 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x00060000 | 0x00000610 | 0x00000800 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.97917 |
.CRT | 0x00061000 | 0x00000018 | 0x00000200 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0.0940979 |
.tls | 0x00062000 | 0x00000020 | 0x00000200 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0.231158 |
.rsrc | 0x00063000 | 0x00000C3C | 0x00000E00 | IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.55212 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.16826 | 660 | UNKNOWN | English - United States | RT_VERSION |
A | 1.81924 | 20 | UNKNOWN | English - United States | RT_GROUP_ICON |
Imports
KERNEL32.dll |
msvcrt.dll |
Total processes
54
Monitored processes
16
Malicious processes
3
Suspicious processes
5
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3060 | "C:\Users\admin\AppData\Local\Temp\a.exe" | C:\Users\admin\AppData\Local\Temp\a.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Description: Developed using the Dev-C++ IDE Exit code: 0 Version: 1.0.0.0 | ||||
| 2424 | /c sc stop WinDefend | C:\Windows\system32\cmd.exe | — | a.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 5 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2472 | /c sc delete WinDefend | C:\Windows\system32\cmd.exe | — | a.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 5 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2572 | /c powershell Set-MpPreference -DisableRealtimeMonitoring $true | C:\Windows\system32\cmd.exe | — | a.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3736 | sc stop WinDefend | C:\Windows\system32\sc.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: A tool to aid in developing services for WindowsNT Exit code: 5 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3780 | sc delete WinDefend | C:\Windows\system32\sc.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: A tool to aid in developing services for WindowsNT Exit code: 5 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3912 | powershell Set-MpPreference -DisableRealtimeMonitoring $true | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3508 | C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7} | C:\Windows\system32\DllHost.exe | — | svchost.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2448 | "C:\Users\admin\AppData\Roaming\WINYS\a.exe" | C:\Users\admin\AppData\Roaming\WINYS\a.exe | — | DllHost.exe |
User: admin Integrity Level: HIGH Description: Developed using the Dev-C++ IDE Exit code: 4294967295 Version: 1.0.0.0 | ||||
| 2756 | /c sc stop WinDefend | C:\Windows\system32\cmd.exe | — | a.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1062 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
Total events
896
Read events
769
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
11
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3912 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MWG5ZYY5A5W3PS9H89PR.temp | — | |
MD5:— | SHA256:— | |||
| 2500 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NB3YFREFDY31EQNNBVPU.temp | — | |
MD5:— | SHA256:— | |||
| 2440 | a.exe | C:\Users\admin\AppData\Roaming\WINYS\settings.ini | text | |
MD5:80EE8356AE6B55E715730514A3E00D82 | SHA256:62AB3D66D816AB402415E95967F670BCBF3A56EE3CFC1132B72D3847C5C908C4 | |||
| 3060 | a.exe | C:\Users\admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1302019708-1500728564-335382590-1000\0f5007522459c86e95ffcc62f32308f1_90059c37-1320-41a4-b58d-2b75a9850d2f | binary | |
MD5:479F2E5385F33F84068D28BD5E6B9ABF | SHA256:9669A46351ECA1D9C2AEF57B86C84E56FF666B82BE44778245C5009AB12F7BBE | |||
| 2500 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF19e332.TMP | binary | |
MD5:901ECDF767744E6BB59CB023757886E3 | SHA256:48A990A7B1201BFD70F417698302A6299D036A6574E558A96000AF48469479E1 | |||
| 3912 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF19b24e.TMP | binary | |
MD5:901ECDF767744E6BB59CB023757886E3 | SHA256:48A990A7B1201BFD70F417698302A6299D036A6574E558A96000AF48469479E1 | |||
| 2448 | a.exe | C:\Users\admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1302019708-1500728564-335382590-1000\0f5007522459c86e95ffcc62f32308f1_90059c37-1320-41a4-b58d-2b75a9850d2f | binary | |
MD5:756327D2AE8995546EDD68D953743541 | SHA256:78593896BBDB9AD934E44C253BDE276A0745028BAAF6B4EC0210A61DF93CD967 | |||
| 3912 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:901ECDF767744E6BB59CB023757886E3 | SHA256:48A990A7B1201BFD70F417698302A6299D036A6574E558A96000AF48469479E1 | |||
| 2500 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:901ECDF767744E6BB59CB023757886E3 | SHA256:48A990A7B1201BFD70F417698302A6299D036A6574E558A96000AF48469479E1 | |||
| 3060 | a.exe | C:\Users\admin\AppData\Roaming\WINYS\a.exe | executable | |
MD5:D02FCFAAA123AB35D9E193665072CA15 | SHA256:6847BD9C431B65456654CE635CE365CA4C66BB056F648EAB54E87AD7B7269C60 | |||
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
3
Threats
0
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 |
|---|---|---|---|---|---|---|
2440 | a.exe | 176.58.123.25:443 | ident.me | Linode, LLC | GB | suspicious |
2440 | a.exe | 182.253.20.66:449 | — | BIZNET NETWORKS | ID | suspicious |
2440 | a.exe | 174.105.233.82:449 | — | Time Warner Cable Internet LLC | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ident.me |
| shared |
dns.msftncsi.com |
| shared |