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| File name: | download.dat |
| Full analysis: | https://app.any.run/tasks/0701192b-72e2-4d94-849a-d60ed9661146 |
| Verdict: | Malicious activity |
| Analysis date: | December 06, 2018, 14:10:46 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (DLL) (console) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | AB0A23CCB5558A460AD15D5767476ABD |
| SHA1: | 048CDB8C193BAA6BBAE536D0E327A55DCFDBDF49 |
| SHA256: | 79880F23565E94B3AA9CE939A8A64E6197ACB3231CCED5CB1E1854ED47C175D2 |
| SSDEEP: | 192:g5WRiRgnVJHA7aVnD9gSRVCBjcQB3mTNcyZDfC36OZpVd0h+rcL82uuZNv4Cz/1t:IW0RCrHi8XDCB4QBOfC36OnoX4+/3 |
MALICIOUS
Loads dropped or rewritten executable
- svchost.exe (PID: 844)
- explorer.exe (PID: 116)
SUSPICIOUS
Uses RUNDLL32.EXE to load library
- explorer.exe (PID: 116)
INFO
Loads main object executable
- rundll32.exe (PID: 3048)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .scr | | | Windows screen saver (46.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (23.3) |
| .exe | | | Win32 Executable (generic) (15.9) |
| .exe | | | Generic Win/DOS Executable (7.1) |
| .exe | | | DOS Executable Generic (7) |
EXIF
EXE
| AssemblyVersion: | 0.0.0.0 |
|---|---|
| ProductVersion: | 0.0.0.0 |
| OriginalFileName: | stager.exe |
| LegalCopyright: | |
| InternalName: | stager.exe |
| FileVersion: | 0.0.0.0 |
| FileDescription: | |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Dynamic link library |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 0.0.0.0 |
| FileVersionNumber: | 0.0.0.0 |
| Subsystem: | Windows command line |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x504e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 1536 |
| CodeSize: | 12800 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| TimeStamp: | 2018:12:03 09:21:13+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_CUI |
| Compilation Date: | 03-Dec-2018 08:21:13 |
| FileDescription: | - |
| FileVersion: | 0.0.0.0 |
| InternalName: | stager.exe |
| LegalCopyright: | - |
| OriginalFilename: | stager.exe |
| ProductVersion: | 0.0.0.0 |
| Assembly Version: | 0.0.0.0 |
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: | 3 |
| Time date stamp: | 03-Dec-2018 08:21:13 |
| 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 | 0x00003054 | 0x00003200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 4.37682 |
.rsrc | 0x00006000 | 0x000002A0 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.12528 |
.reloc | 0x00008000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0776332 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.13574 | 580 | UNKNOWN | UNKNOWN | RT_VERSION |
Imports
mscoree.dll |
Total processes
31
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3048 | "C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\download.dat.scr", DllMain | C:\Windows\System32\rundll32.exe | — | explorer.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 116 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | — |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 844 | C:\Windows\system32\svchost.exe -k netsvcs | C:\Windows\System32\svchost.exe | services.exe | |
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
858
Read events
858
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
0
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 844 | svchost.exe | C:\Windows\appcompat\programs\RecentFileCache.bcf | txt | |
MD5:F21900C7A25F863C30D1D846EA91370B | SHA256:19E89AC099570546B4FB964A14D5E70B72AB17B892739FFE1A6111AD8404641F | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report