File name: | bfsvcsr.exe |
Full analysis: | https://app.any.run/tasks/1eadea9c-e9be-4f7e-9038-04428cc653eb |
Verdict: | Malicious activity |
Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
Analysis date: | February 18, 2019, 13:54:52 |
OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
Tags: | |
Indicators: | |
MIME: | application/x-dosexec |
File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
MD5: | 61B8668A745ED1DEDD9FF846AC15E24A |
SHA1: | 96CF9EBE92E2C718F3AB2422A7F076E6FA43C585 |
SHA256: | DCA2208C8770D20A2B580EEB046A884D13BEE83BC4DEDB23C211066BC54299CB |
SSDEEP: | 3072:Lw+0YVLdCjS+dPo6Bb9K/mMSVopSQRgPlferr/tpu97:Lw+0I4RqFg6r/4 |
.exe | | | Generic CIL Executable (.NET, Mono, etc.) (82.9) |
---|---|---|
.dll | | | Win32 Dynamic Link Library (generic) (7.4) |
.exe | | | Win32 Executable (generic) (5.1) |
.exe | | | Generic Win/DOS Executable (2.2) |
.exe | | | DOS Executable Generic (2.2) |
MachineType: | Intel 386 or later, and compatibles |
---|---|
TimeStamp: | 2038:11:16 10:45:40+01:00 |
PEType: | PE32 |
LinkerVersion: | 80 |
CodeSize: | 85504 |
InitializedDataSize: | 272896 |
UninitializedDataSize: | - |
EntryPoint: | 0x16d02 |
OSVersion: | 4 |
ImageVersion: | - |
SubsystemVersion: | 6 |
Subsystem: | Windows GUI |
FileVersionNumber: | 10.0.17134.1 |
ProductVersionNumber: | 10.0.17134.1 |
FileFlagsMask: | 0x003f |
FileFlags: | (none) |
FileOS: | Win32 |
ObjectFileType: | Executable application |
FileSubtype: | - |
LanguageCode: | Neutral |
CharacterSet: | Unicode |
Comments: | Boot File Servicing Utility |
CompanyName: | Microsoft Corporation |
FileDescription: | bfsvcsr |
FileVersion: | 10.0.17134.1 |
InternalName: | bfsvcsr.exe |
LegalCopyright: | © Microsoft Corporation. All rights reserved. |
LegalTrademarks: | - |
OriginalFileName: | bfsvcsr.exe |
ProductName: | Microsoft® Windows® Operating System |
ProductVersion: | 10.0.17134.1 |
AssemblyVersion: | 10.0.17134.1 |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 11-Oct-1902 03:17:24 |
Debug artifacts: |
|
Comments: | Boot File Servicing Utility |
CompanyName: | Microsoft Corporation |
FileDescription: | bfsvcsr |
FileVersion: | 10.0.17134.1 |
InternalName: | bfsvcsr.exe |
LegalCopyright: | © Microsoft Corporation. All rights reserved. |
LegalTrademarks: | - |
OriginalFilename: | bfsvcsr.exe |
ProductName: | Microsoft® Windows® Operating System |
ProductVersion: | 10.0.17134.1 |
Assembly Version: | 10.0.17134.1 |
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: | 11-Oct-1902 03:17:24 |
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 | 0x00014D08 | 0x00014E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 4.2659 |
.rsrc | 0x00018000 | 0x0004275C | 0x00042800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.49726 |
.reloc | 0x0005C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
32512 | 1.67095 | 20 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
2980 | "C:\Users\admin\AppData\Local\Temp\bfsvcsr.exe" | C:\Users\admin\AppData\Local\Temp\bfsvcsr.exe | explorer.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: bfsvcsr Exit code: 0 Version: 10.0.17134.1 | ||||
2880 | "C:\Users\admin\bfsvc.exe" | C:\Users\admin\bfsvc.exe | bfsvcsr.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: bfsvcsr Version: 10.0.17134.1 | ||||
2280 | netsh firewall add allowedprogram "C:\Users\admin\bfsvc.exe" "bfsvc.exe" ENABLE | C:\Windows\system32\netsh.exe | — | bfsvc.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) |
PID | Process | Filename | Type | |
---|---|---|---|---|
2980 | bfsvcsr.exe | C:\Users\admin\bfsvc.exe | executable | |
MD5:61B8668A745ED1DEDD9FF846AC15E24A | SHA256:DCA2208C8770D20A2B580EEB046A884D13BEE83BC4DEDB23C211066BC54299CB | |||
2880 | bfsvc.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b23efd75a0d0c47f8a154d4696d4be86.exe | executable | |
MD5:61B8668A745ED1DEDD9FF846AC15E24A | SHA256:DCA2208C8770D20A2B580EEB046A884D13BEE83BC4DEDB23C211066BC54299CB |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
2880 | bfsvc.exe | 206.189.37.17:1337 | — | — | US | malicious |
PID | Process | Class | Message |
---|---|---|---|
2880 | bfsvc.exe | A Network Trojan was detected | ET TROJAN Bladabindi/njrat CnC Checkin |
2880 | bfsvc.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |