File name:

mastif.exe

Full analysis: https://app.any.run/tasks/6968faf1-22a2-494e-abd8-b1cf091aef29
Verdict: Suspicious activity
Analysis date: October 25, 2020, 21:25:30
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:

C9E02B6A99BF1A175A401176C4222D46

SHA1:

E508DCDC92AAD6B6C6A72FF70A7D4FEECCEFA5EC

SHA256:

7A0FA8255A5231DA5380836116EA08C21EC4326F431F976F85C65F16F9FCB7D0

SSDEEP:

6144:YlzdTZ4rjNxG/i/OfFGr6+gnDuW5xySe/vKa5MdBF/PFgOEItGX:YV/4rjvGiO9C6+k75wSea/dbPFgOEIti

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Loads dropped or rewritten executable

      • mastif.exe (PID: 2536)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • mastif.exe (PID: 3744)
      • mastif.exe (PID: 2536)
    • Application launched itself

      • mastif.exe (PID: 2536)
    • Starts application with an unusual extension

      • cmd.exe (PID: 552)
    • Uses TASKKILL.EXE to kill process

      • cmd.exe (PID: 552)
    • Starts CMD.EXE for commands execution

      • mastif.exe (PID: 3744)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:10:26 05:19:59+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 407040
InitializedDataSize: 414208
UninitializedDataSize: -
EntryPoint: 0x6540e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 10.70.0.4
ProductVersionNumber: 10.70.0.4
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
CompanyName: Outertech
FileDescription: Cacheman Installer
FileVersion: 10.70.0.4
LegalCopyright: (c) 1995-2020 by Outertech
ProductName: Cacheman
ProductVersion: 10.7

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Oct-2020 04:19:59
Detected languages:
  • Process Default Language
CompanyName: Outertech
FileDescription: Cacheman Installer
FileVersion: 10.70.0.4
LegalCopyright: (c) 1995-2020 by Outertech
ProductName: Cacheman
ProductVersion: 10.70

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: 26-Oct-2020 04:19:59
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00063414
0x00063600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.77546
.rsrc
0x00066000
0x00064EE4
0x00065000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.00887
.reloc
0x000CC000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
3.99993
74792
Latin 1 / Western European
Process Default Language
RT_ICON
3
2.75245
41064
Latin 1 / Western European
Process Default Language
RT_ICON
4
4.21702
9640
Latin 1 / Western European
Process Default Language
RT_ICON
5
4.23051
4264
Latin 1 / Western European
Process Default Language
RT_ICON
6
4.9272
3752
Latin 1 / Western European
Process Default Language
RT_ICON
7
5.45316
2216
Latin 1 / Western European
Process Default Language
RT_ICON
8
3.08091
1640
Latin 1 / Western European
Process Default Language
RT_ICON
9
3.45109
1384
Latin 1 / Western European
Process Default Language
RT_ICON
10
5.34905
1128
Latin 1 / Western European
Process Default Language
RT_ICON

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
6
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start mastif.exe mastif.exe cmd.exe no specs chcp.com no specs taskkill.exe no specs timeout.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
552"C:\Windows\System32\cmd.exe" /C C:\Users\admin\AppData\Local\Temp\tmp4352.tmp.batC:\Windows\System32\cmd.exemastif.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
784chcp 65001C:\Windows\system32\chcp.comcmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Change CodePage Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\chcp.com
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ulib.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1700Timeout /T 2 /NobreakC:\Windows\system32\timeout.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
2536"C:\Users\admin\AppData\Local\Temp\mastif.exe" C:\Users\admin\AppData\Local\Temp\mastif.exe
explorer.exe
User:
admin
Company:
Outertech
Integrity Level:
MEDIUM
Description:
Cacheman Installer
Exit code:
0
Version:
10.70.0.4
Modules
Images
c:\users\admin\appdata\local\temp\mastif.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3744"C:\Users\admin\AppData\Local\Temp\mastif.exe"C:\Users\admin\AppData\Local\Temp\mastif.exe
mastif.exe
User:
admin
Company:
Outertech
Integrity Level:
MEDIUM
Description:
Cacheman Installer
Exit code:
1
Version:
10.70.0.4
Modules
Images
c:\users\admin\appdata\local\temp\mastif.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
4048TaskKill /F /IM 3744C:\Windows\system32\taskkill.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\version.dll
c:\windows\system32\user32.dll
Total events
146
Read events
106
Write events
40
Delete events
0

Modification events

(PID) Process:(2536) mastif.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2536) mastif.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2536) mastif.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3744) mastif.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\mastif_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3744) mastif.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\mastif_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3744) mastif.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\mastif_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3744) mastif.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\mastif_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3744) mastif.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\mastif_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3744) mastif.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\mastif_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3744) mastif.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\mastif_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
Executable files
4
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3744mastif.exeC:\Users\admin\AppData\Local\Temp\tmp4352.tmp.battext
MD5:
SHA256:
3744mastif.exeC:\Users\admin\AppData\Local\Temp\AnonFileApi.dllexecutable
MD5:7A2D5DEAB61F043394A510F4E2C0866F
SHA256:75DB945388F62F2DE3D3EAAE911F49495F289244E2FEC9B25455C2D686989F69
2536mastif.exeC:\Users\admin\AppData\Local\Temp\e34dd831-6d57-4d92-81ec-c008864dca6e\AgileDotNetRT.dllexecutable
MD5:14FF402962AD21B78AE0B4C43CD1F194
SHA256:FB9646CB956945BDC503E69645F6B5316D3826B780D3C36738D6B944E884D15B
2536mastif.exeC:\Users\admin\AppData\Local\Temp\b35bc50e-fc56-4239-a7d0-bb79118b31c9\AgileDotNetRT.dllexecutable
MD5:14FF402962AD21B78AE0B4C43CD1F194
SHA256:FB9646CB956945BDC503E69645F6B5316D3826B780D3C36738D6B944E884D15B
3744mastif.exeC:\Users\admin\AppData\Local\Temp\DotNetZip.dllexecutable
MD5:6D1C62EC1C2EF722F49B2D8DD4A4DF16
SHA256:00DA1597D92235D3F84DA979E2FA5DBF049BAFB52C33BD6FC8EE7B29570C124C
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
2
Threats
1

HTTP requests

No 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
3744
mastif.exe
151.101.0.133:443
raw.githubusercontent.com
Fastly
US
malicious
3744
mastif.exe
149.154.167.220:443
api.telegram.org
Telegram Messenger LLP
GB
malicious

DNS requests

Domain
IP
Reputation
raw.githubusercontent.com
  • 151.101.0.133
  • 151.101.64.133
  • 151.101.128.133
  • 151.101.192.133
shared
api.telegram.org
  • 149.154.167.220
shared

Threats

PID
Process
Class
Message
3744
mastif.exe
Potentially Bad Traffic
ET INFO TLS Handshake Failure
No debug info