| download: | dotnetfx.exe |
| Full analysis: | https://app.any.run/tasks/f7e4c338-c466-4538-8714-fe616311f9fe |
| Verdict: | Suspicious activity |
| Threats: | A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection. |
| Analysis date: | February 04, 2019, 15:59:05 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 926EA5374135F3833959804CCEEEE69E |
| SHA1: | 6EA6B2F56DDE4C7414D676C726DBB36CF5AD00CC |
| SHA256: | 4DDEA8C750DFABEC113E255B4BFA97ADD5818CF18E6232E75BBA3A196D3B21D8 |
| SSDEEP: | 3072:u1Ile6TsC81qprFCcJ6g+5XxJX8lxlmXGPnHTOAj2qYmZ2UdlN/qkhQ/mHlRJfoF:n/Tst1sQ0+X8TlmOHTOAjZ1ThNrIp |
MALICIOUS
Application was dropped or rewritten from another process
- dotnetfx.exe (PID: 2484)
- 1033dotnetredist.exe (PID: 3484)
Changes settings of System certificates
- dotnetfx.exe (PID: 3112)
Downloads executable files from the Internet
- dotnetfx.exe (PID: 3112)
SUSPICIOUS
Executable content was dropped or overwritten
- dotnetfx.exe (PID: 3112)
- 1033dotnetredist.exe (PID: 3484)
INFO
No info indicators.
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) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2004:12:16 23:37:19+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 196608 |
| InitializedDataSize: | 200704 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x25c17 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 16-Dec-2004 22:37:19 |
| Detected languages: |
|
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: | 0x000000E8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 16-Dec-2004 22:37:19 |
| 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 | 0x0002FB26 | 0x00030000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.56264 |
.rdata | 0x00031000 | 0x00004E00 | 0x00005000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.66391 |
.data | 0x00036000 | 0x00006100 | 0x00005000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.23908 |
.rsrc | 0x0003D000 | 0x00024B28 | 0x00025000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.04603 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.12221 | 280 | UNKNOWN | Spanish - Spain (International sort) | RT_STRING |
2 | 3.44886 | 1384 | UNKNOWN | English - United States | RT_ICON |
3 | 3.91708 | 744 | UNKNOWN | English - United States | RT_ICON |
4 | 3.78674 | 2216 | UNKNOWN | English - United States | RT_ICON |
69 | 1.63436 | 58 | UNKNOWN | Spanish - Spain (International sort) | RT_STRING |
72 | 2.38262 | 116 | UNKNOWN | Spanish - Spain (International sort) | RT_STRING |
73 | 2.25737 | 98 | UNKNOWN | Spanish - Spain (International sort) | RT_STRING |
101 | 2.82108 | 214 | UNKNOWN | Spanish - Spain (International sort) | RT_STRING |
102 | 3.11201 | 272 | UNKNOWN | Spanish - Spain (International sort) | RT_STRING |
103 | 3.54012 | 1580 | UNKNOWN | Spanish - Spain (International sort) | RT_STRING |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
OLEAUT32.dll |
OLEPRO32.DLL |
USER32.dll |
VERSION.dll |
ole32.dll |
Total processes
32
Monitored processes
3
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2484 | "C:\Users\admin\AppData\Local\Temp\ISF68C.tmp\dotnetfx.exe" | C:\Users\admin\AppData\Local\Temp\ISF68C.tmp\dotnetfx.exe | — | dotnetfx.exe | |||||||||||
User: admin Company: Microsoft Integrity Level: MEDIUM Description: IExpress Setup Exit code: 3221226540 Version: 1.0.3705.0 Modules
| |||||||||||||||
| 3112 | "C:\Users\admin\AppData\Local\Temp\dotnetfx.exe" | C:\Users\admin\AppData\Local\Temp\dotnetfx.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1155 Modules
| |||||||||||||||
| 3484 | "C:\Users\admin\AppData\Local\Temp\ISE812.tmp\1033dotnetredist.exe" /T:"C:\Users\admin\AppData\Local\Temp\ISF68C.tmp" /C /Q | C:\Users\admin\AppData\Local\Temp\ISE812.tmp\1033dotnetredist.exe | dotnetfx.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Win32 Cabinet Self-Extractor Exit code: 0 Version: 4.71.1015.0 Modules
| |||||||||||||||
Total events
57
Read events
26
Write events
30
Delete events
1
Modification events
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3112) dotnetfx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\dotnetfx_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
Executable files
5
Suspicious files
2
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3112 | dotnetfx.exe | C:\Users\admin\AppData\Local\Temp\ISF283.tmp | binary | |
MD5:— | SHA256:— | |||
| 3112 | dotnetfx.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\dotnetredist[1].exe | executable | |
MD5:E45CF233A672EDEF5C1D978A3722EE61 | SHA256:47EF88FF28E70C63E4D8CE7CA8B2316DDCC64329D0AB9F8F3B979519F91DF456 | |||
| 3112 | dotnetfx.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R9ZEWH8D\NDP1.0sp3-KB867461-X86-Enu[1].exe | executable | |
MD5:— | SHA256:— | |||
| 3112 | dotnetfx.exe | C:\Users\admin\AppData\Local\Temp\ISF66C.tmp | binary | |
MD5:— | SHA256:— | |||
| 3112 | dotnetfx.exe | C:\Users\admin\AppData\Local\Temp\ISE812.tmp\1033dotnetredistSp3.exe | executable | |
MD5:— | SHA256:— | |||
| 3484 | 1033dotnetredist.exe | C:\Users\admin\AppData\Local\Temp\ISF68C.tmp\dotnetfx.exe | executable | |
MD5:023EF925A76F33F990DE1EA832D11324 | SHA256:C90051404D9723F7CDB73FAA7713AE7E7EF1B72EB49EEE25CF1E2AD4A1788DE9 | |||
| 3112 | dotnetfx.exe | C:\Users\admin\AppData\Local\Temp\ISE812.tmp\1033dotnetredist.exe | executable | |
MD5:E45CF233A672EDEF5C1D978A3722EE61 | SHA256:47EF88FF28E70C63E4D8CE7CA8B2316DDCC64329D0AB9F8F3B979519F91DF456 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
1
DNS requests
1
Threats
2
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3112 | dotnetfx.exe | GET | 200 | 2.18.233.19:80 | http://download.microsoft.com/download/d/b/0/db03c2e9-f8d6-41e4-b389-3027c48dcb33/NDP1.0sp3-KB867461-X86-Enu.exe | unknown | executable | 9.64 Mb | whitelisted |
3112 | dotnetfx.exe | GET | 200 | 2.18.233.19:80 | http://download.microsoft.com/download/e/b/2/eb247c2a-e6b3-4694-98a2-b27111d233dd/dotnetredist.exe | unknown | executable | 19.7 Mb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3112 | dotnetfx.exe | 2.18.233.19:80 | download.microsoft.com | Akamai International B.V. | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
download.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3112 | dotnetfx.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
3112 | dotnetfx.exe | Misc activity | ET INFO EXE - Served Attached HTTP |