| File name: | Masyaf Loader.exe |
| Full analysis: | https://app.any.run/tasks/f0b08d19-a719-4f3f-b52c-669ba4ef8ee8 |
| Verdict: | Suspicious activity |
| Analysis date: | February 11, 2019, 15:54:02 |
| 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: | D7F0B93AA472E2E926EF81EC3B1A793C |
| SHA1: | E3C476E47295B497C7C3A653E797322524C08876 |
| SHA256: | 29B6DC3E31847B6E5F31E3299A7C0C9396C1CD1FB99905F152FFBFD1DF1C127F |
| SSDEEP: | 196608:+nFzE+WfCEiKVlLFAUO8wTbLM9HL+RKF4oO:l+yCEio+ow8r+RE4oO |
MALICIOUS
Application was dropped or rewritten from another process
- _.exe (PID: 2672)
SUSPICIOUS
Creates files in the Windows directory
- Masyaf Loader.exe (PID: 2204)
Executable content was dropped or overwritten
- Masyaf Loader.exe (PID: 2204)
Changes IE settings (feature browser emulation)
- Masyaf Loader.exe (PID: 2204)
Removes files from Windows directory
- Masyaf Loader.exe (PID: 2204)
Reads internet explorer settings
- Masyaf Loader.exe (PID: 2204)
Reads Environment values
- Masyaf Loader.exe (PID: 2204)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:02:11 12:24:56+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 7248896 |
| InitializedDataSize: | 7269888 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x6ebb0a |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.1.2.0 |
| ProductVersionNumber: | 1.1.2.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | Masyaf Loader |
| FileVersion: | 1.1.2.0 |
| InternalName: | Masyaf Loader.exe |
| LegalCopyright: | Copyright © 2018 |
| OriginalFileName: | Masyaf Loader.exe |
| ProductName: | Masyaf Loader |
| ProductVersion: | 1.1.2.0 |
| AssemblyVersion: | 1.1.2.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 11-Feb-2019 11:24:56 |
| FileDescription: | Masyaf Loader |
| FileVersion: | 1.1.2.0 |
| InternalName: | Masyaf Loader.exe |
| LegalCopyright: | Copyright © 2018 |
| OriginalFilename: | Masyaf Loader.exe |
| ProductName: | Masyaf Loader |
| ProductVersion: | 1.1.2.0 |
| Assembly Version: | 1.1.2.0 |
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: | 3 |
| Time date stamp: | 11-Feb-2019 11:24:56 |
| 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 | 0x00002000 | 0x006E9B10 | 0x006E9C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.59291 |
.reloc | 0x006EC000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
.rsrc | 0x006EE000 | 0x0000516C | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.53889 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.04075 | 2861 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 3.86191 | 16936 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.0815 | 20 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
36
Monitored processes
4
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2204 | "C:\Users\admin\AppData\Local\Temp\Masyaf Loader.exe" | C:\Users\admin\AppData\Local\Temp\Masyaf Loader.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Masyaf Loader Exit code: 0 Version: 1.1.2.0 Modules
| |||||||||||||||
| 2672 | "C:\Windows\_.exe" | C:\Windows\_.exe | — | Masyaf Loader.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 3735929054 Modules
| |||||||||||||||
| 3456 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3840 | "C:\Users\admin\AppData\Local\Temp\Masyaf Loader.exe" | C:\Users\admin\AppData\Local\Temp\Masyaf Loader.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Masyaf Loader Exit code: 3221226540 Version: 1.1.2.0 Modules
| |||||||||||||||
Total events
105
Read events
76
Write events
29
Delete events
0
Modification events
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION |
| Operation: | write | Name: | Masyaf Loader.exe |
Value: 8888 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Masyaf Loader_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Masyaf Loader_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Masyaf Loader_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Masyaf Loader_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Masyaf Loader_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Masyaf Loader_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2204) Masyaf Loader.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Masyaf Loader_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2204 | Masyaf Loader.exe | C:\Windows\_.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
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 |
|---|---|---|---|---|---|---|
2204 | Masyaf Loader.exe | 104.28.26.164:443 | auth.masyaf.net | Cloudflare Inc | US | shared |
DNS requests
Domain | IP | Reputation |
|---|---|---|
auth.masyaf.net |
| malicious |