File name: | BrotliSharpLib.bin |
Full analysis: | https://app.any.run/tasks/c4ce0c5f-d305-44b6-b3ff-bea6c2eafbf5 |
Verdict: | Malicious activity |
Analysis date: | August 08, 2020, 18:59:11 |
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: | 7BA33B5FBFD4662D72B50BB09BDE7ED7 |
SHA1: | D26998C60811161EC2130D8566029BF0648FA990 |
SHA256: | EC1E6529A83DB97684474C1CB4E0A989EB7BCFEA98591AFC2C026B08F48600A0 |
SSDEEP: | 24576:x8Op+ZPe0AI/Ip+Tof6nHuFPZ7sYgdlTa/7oW/dGy/KmlQ82VHP3JYgprP5//pAV:x1p+ZPe0AI/Ip+Tof6nHuFPZ7sYgdlTd |
.exe | | | Win64 Executable (generic) (49.4) |
---|---|---|
.scr | | | Windows screen saver (23.4) |
.dll | | | Win32 Dynamic Link Library (generic) (11.7) |
.exe | | | Win32 Executable (generic) (8) |
.exe | | | Generic Win/DOS Executable (3.5) |
AssemblyVersion: | 0.3.2.0 |
---|---|
ProductVersion: | 0.3.3 |
ProductName: | BrotliSharpLib |
OriginalFileName: | BrotliSharpLib.dll |
LegalCopyright: | Copyright (c) 2017-2019 master131 |
InternalName: | BrotliSharpLib.dll |
FileVersion: | 0.3.3 |
FileDescription: | BrotliSharpLib |
CompanyName: | master131 |
Comments: | Full C# port of Brotli compression library. |
CharacterSet: | Unicode |
LanguageCode: | Neutral |
FileSubtype: | - |
ObjectFileType: | Dynamic link library |
FileOS: | Win32 |
FileFlags: | (none) |
FileFlagsMask: | 0x003f |
ProductVersionNumber: | 0.3.3.0 |
FileVersionNumber: | 0.3.3.0 |
Subsystem: | Windows command line |
SubsystemVersion: | 6 |
ImageVersion: | - |
OSVersion: | 4 |
EntryPoint: | 0x100526 |
UninitializedDataSize: | - |
InitializedDataSize: | 1536 |
CodeSize: | 1321984 |
LinkerVersion: | 48 |
PEType: | PE32 |
TimeStamp: | 2095:04:11 22:57:15+02:00 |
MachineType: | Intel 386 or later, and compatibles |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_CUI |
Compilation Date: | 06-Mar-1959 14:28:59 |
Debug artifacts: |
|
Comments: | Full C# port of Brotli compression library. |
CompanyName: | master131 |
FileDescription: | BrotliSharpLib |
FileVersion: | 0.3.3 |
InternalName: | BrotliSharpLib.dll |
LegalCopyright: | Copyright (c) 2017-2019 master131 |
OriginalFilename: | BrotliSharpLib.dll |
ProductName: | BrotliSharpLib |
ProductVersion: | 0.3.3 |
Assembly Version: | 0.3.2.0 |
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 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 3 |
Time date stamp: | 06-Mar-1959 14:28:59 |
Pointer to Symbol Table: | 0x00000000 |
Number of symbols: | 0 |
Size of Optional Header: | 0x00E0 |
Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
---|---|---|---|---|---|
.text | 0x00002000 | 0x00142A74 | 0x00142C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.22613 |
.rsrc | 0x00146000 | 0x000003F8 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.25419 |
.reloc | 0x00148000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 3.38517 | 924 | UNKNOWN | UNKNOWN | RT_VERSION |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
2792 | "C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\BrotliSharpLib.bin.exe", 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) | ||||
876 | 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) | ||||
1704 | 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) |
(PID) Process: | (876) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\WMI Writer |
Operation: | write | Name: | _ObjectId_ |
Value: EA00000000000000 | |||
(PID) Process: | (876) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\WMI Writer |
Operation: | write | Name: | _ObjectLru_ |
Value: F803000000000000 | |||
(PID) Process: | (876) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\WMI Writer |
Operation: | write | Name: | _FileId_ |
Value: 8441000000001400 | |||
(PID) Process: | (876) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\WMI Writer |
Operation: | write | Name: | _Usn_ |
Value: F862F80400000000 | |||
(PID) Process: | (876) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\WMI Writer |
Operation: | write | Name: | _UsnJournalId_ |
Value: CAF752A8FD3DD301 |
PID | Process | Filename | Type | |
---|---|---|---|---|
876 | svchost.exe | C:\Windows\appcompat\programs\RecentFileCache.bcf | txt | |
MD5:80E2D81AB1E2627402AE0E47844D88E3 | SHA256:12991737C711E790770A5EEA7F2CA8B71F8DDB4461524C01377EF253BD93EFCC |