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| download: | br1.exe |
| Full analysis: | https://app.any.run/tasks/d6bd0712-72e1-44bd-9d2e-506a745d7e93 |
| Verdict: | Malicious activity |
| Analysis date: | March 31, 2020, 03:58:07 |
| 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: | 85A5F8B84225AEEC238BBC9C5EE1B76B |
| SHA1: | 41E8485306E9E5F47CF8C9AAF40E86008081DE4C |
| SHA256: | FEEF69E31B723D8D9F0FB179602F30A48E260E6D5CBBB4976D839844B3C33B15 |
| SSDEEP: | 24576:mHpCMGXr7wQV+2uP2rSU6M6B8Mpvta8K9JgCh:2IfhuOrSZMU8gVa82JF |
MALICIOUS
Uses Task Scheduler to run other applications
- br1.exe (PID: 1504)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 2220)
SUSPICIOUS
Creates files in the user directory
- br1.exe (PID: 1504)
Executable content was dropped or overwritten
- br1.exe (PID: 1504)
Connects to unusual port
- RegSvcs.exe (PID: 2412)
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.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:03:30 18:05:37+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 808960 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xc77de |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | SudokuSolver |
| FileVersion: | 1.0.0.0 |
| InternalName: | LWTyoEispfhQtBl.exe |
| LegalCopyright: | Copyright © 2019 |
| LegalTrademarks: | - |
| OriginalFileName: | LWTyoEispfhQtBl.exe |
| ProductName: | SudokuSolver |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 30-Mar-2020 16:05:37 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | SudokuSolver |
| FileVersion: | 1.0.0.0 |
| InternalName: | LWTyoEispfhQtBl.exe |
| LegalCopyright: | Copyright © 2019 |
| LegalTrademarks: | - |
| OriginalFilename: | LWTyoEispfhQtBl.exe |
| ProductName: | SudokuSolver |
| 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: | 3 |
| Time date stamp: | 30-Mar-2020 16:05:37 |
| 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 | 0x000C57E4 | 0x000C5800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.96094 |
.rsrc | 0x000C8000 | 0x000005D0 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.16797 |
.reloc | 0x000CA000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
38
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 |
|---|---|---|---|---|
| 1504 | "C:\Users\admin\AppData\Local\Temp\br1.exe" | C:\Users\admin\AppData\Local\Temp\br1.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Description: SudokuSolver Exit code: 0 Version: 1.0.0.0 | ||||
| 2220 | "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ciCvmFJsyFgX" /XML "C:\Users\admin\AppData\Local\Temp\tmp6D68.tmp" | C:\Windows\System32\schtasks.exe | — | br1.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2412 | "{path}" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | br1.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Services Installation Utility Version: 2.0.50727.5420 (Win7SP1.050727-5400) | ||||
Total events
114
Read events
109
Write events
5
Delete events
0
Modification events
| (PID) Process: | (1504) br1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1504) br1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2412) RegSvcs.exe | Key: | HKEY_CURRENT_USER\d}ÅT\K]> |
| Operation: | write | Name: | ID |
Value: brr3 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1504 | br1.exe | C:\Users\admin\AppData\Local\Temp\tmp6D68.tmp | — | |
MD5:— | SHA256:— | |||
| 1504 | br1.exe | C:\Users\admin\AppData\Roaming\ciCvmFJsyFgX.exe | executable | |
MD5:85A5F8B84225AEEC238BBC9C5EE1B76B | SHA256:FEEF69E31B723D8D9F0FB179602F30A48E260E6D5CBBB4976D839844B3C33B15 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
115
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 |
|---|---|---|---|---|---|---|
2412 | RegSvcs.exe | 185.244.30.56:6971 | xcbvfgdsfszcx.ug | — | — | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
xcbvfgdsfszcx.ug |
| unknown |