File name:

$RTNF4X3.exe

Full analysis: https://app.any.run/tasks/adf8f445-6ad6-41d9-ae49-290486f522b0
Verdict: Malicious activity
Threats:

Crypto mining malware is a resource-intensive threat that infiltrates computers with the purpose of mining cryptocurrencies. This type of threat can be deployed either on an infected machine or a compromised website. In both cases the miner will utilize the computing power of the device and its network bandwidth.

Analysis date: October 14, 2019, 08:32:41
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
miner
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

4000806BEBEAB1BBDA1EAF0FCF9FEA27

SHA1:

7D101FEAF794CF32A15A05A547B327CDE18EB6DA

SHA256:

A9A349D2AACD7D9C1D0F149A9E2C0A908584E607719CBED37A26F6E8DEE1E718

SSDEEP:

196608:XyrPO3UDsdXp+z8+FWyGuVPq1yLanrqTr43eSG:DKsD+FWN4aC43e5

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

    • Application was dropped or rewritten from another process

      • tftp.exe (PID: 2520)
      • tftp.exe (PID: 736)
    • Changes the autorun value in the registry

      • IMG001.exe (PID: 3996)
    • Loads dropped or rewritten executable

      • IMG001.exe (PID: 3996)
    • Uses Task Scheduler to autorun other applications

      • cmd.exe (PID: 1820)
      • cmd.exe (PID: 2484)
    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 788)
    • Loads the Task Scheduler DLL interface

      • schtasks.exe (PID: 2816)
    • Writes to a start menu file

      • IMG001.exe (PID: 3996)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • $RTNF4X3.exe (PID: 3032)
      • IMG001.exe (PID: 3996)
    • Starts CMD.EXE for commands execution

      • $RTNF4X3.exe (PID: 3032)
      • IMG001.exe (PID: 3996)
      • cmd.exe (PID: 3916)
    • Uses TASKKILL.EXE to kill process

      • cmd.exe (PID: 1972)
      • cmd.exe (PID: 2424)
    • Creates files in the user directory

      • $RTNF4X3.exe (PID: 3032)
      • IMG001.exe (PID: 3996)
    • Dropped object may contain URLs of mainers pools

      • IMG001.exe (PID: 3996)
    • Uses REG.EXE to modify Windows registry

      • cmd.exe (PID: 1916)
    • Application launched itself

      • cmd.exe (PID: 3916)
    • Starts NET.EXE for network exploration

      • cmd.exe (PID: 4032)
    • Creates files in the Windows directory

      • schtasks.exe (PID: 2816)
    • Removes files from Windows directory

      • schtasks.exe (PID: 2816)
  • 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

.exe | NSIS - Nullsoft Scriptable Install System (91.9)
.exe | Win32 Executable MS Visual C++ (generic) (3.3)
.exe | Win64 Executable (generic) (3)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2009:12:05 23:51:50+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 23552
InitializedDataSize: 3927040
UninitializedDataSize: 8192
EntryPoint: 0x30de
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 05-Dec-2009 22:51:50
Detected languages:
  • English - United States

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: 0x000000D0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 05-Dec-2009 22:51:50
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00005A2C
0x00005C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.44711
.rdata
0x00007000
0x00001190
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.17976
.data
0x00009000
0x003BC798
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.61456
.ndata
0x003C6000
0x00040000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x00406000
0x0000FBD8
0x0000FC00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.02457

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.20956
716
UNKNOWN
English - United States
RT_MANIFEST
2
4.32545
9640
UNKNOWN
English - United States
RT_ICON
3
4.80027
4264
UNKNOWN
English - United States
RT_ICON
4
5.12941
3752
UNKNOWN
English - United States
RT_ICON
5
5.76716
2216
UNKNOWN
English - United States
RT_ICON
6
3.19606
1640
UNKNOWN
English - United States
RT_ICON
7
4.29006
1384
UNKNOWN
English - United States
RT_ICON
8
5.50369
1128
UNKNOWN
English - United States
RT_ICON
9
3.32968
744
UNKNOWN
English - United States
RT_ICON
10
3.42711
296
UNKNOWN
English - United States
RT_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
68
Monitored processes
26
Malicious processes
3
Suspicious processes
4

Behavior graph

Click at the process to see the details
drop and start start drop and start $rtnf4x3.exe cmd.exe no specs taskkill.exe no specs tskill.exe no specs tftp.exe no specs cmd.exe no specs img001.exe cmd.exe no specs taskkill.exe no specs tskill.exe no specs tftp.exe cmd.exe no specs cmd.exe cmd.exe cmd.exe no specs reg.exe no specs schtasks.exe no specs powercfg.exe no specs schtasks.exe no specs powercfg.exe no specs powercfg.exe no specs cmd.exe no specs cmd.exe no specs net.exe no specs find.exe no specs cmd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
736"C:\Users\admin\AppData\Local\Temp\tftp.exe" C:\Users\admin\AppData\Local\Temp\tftp.exe
IMG001.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\tftp.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wininet.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
776Powercfg -SetAcValueIndex 381b4222-f694-41f0-9685-ff5bb260df2e 4f971e89-eebd-4455-a8de-9e59040e7347 5ca83367-6e45-459f-a27b-476b1d01c936 000C:\Windows\system32\powercfg.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Power Settings Command-Line Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\powercfg.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\user32.dll
c:\windows\system32\gdi32.dll
788schtasks /create /tn "UAC" /SC ONLOGON /F /RL HIGHEST /TR "C:\Users\admin\AppData\Roaming\NsMiner\IMG001.exe"C:\Windows\system32\schtasks.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
1036net viewC:\Windows\system32\net.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
1044powercfg /CHANGE -standby-timeout-ac 0 C:\Windows\system32\powercfg.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Power Settings Command-Line Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\powercfg.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\user32.dll
c:\windows\system32\gdi32.dll
1732taskkill /f /im tftp.exe C:\Windows\system32\taskkill.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
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
1820"C:\Windows\system32\cmd.exe" /c schtasks /create /tn "UAC" /SC ONLOGON /F /RL HIGHEST /TR "C:\Users\admin\AppData\Roaming\NsMiner\IMG001.exe"C:\Windows\system32\cmd.exe
IMG001.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
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
1884reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "" /d "C:\Users\admin\AppData\Roaming\NsMiner\IMG001.exe" /t REG_SZC:\Windows\system32\reg.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.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\user32.dll
c:\windows\system32\gdi32.dll
1916"C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "" /d "C:\Users\admin\AppData\Roaming\NsMiner\IMG001.exe" /t REG_SZC:\Windows\system32\cmd.exeIMG001.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
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
1972"C:\Windows\system32\cmd.exe" /c taskkill /f /im tftp.exe & tskill tftp.exeC:\Windows\system32\cmd.exe$RTNF4X3.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
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
Total events
801
Read events
764
Write events
37
Delete events
0

Modification events

(PID) Process:(3032) $RTNF4X3.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3032) $RTNF4X3.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3996) IMG001.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3996) IMG001.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3996) IMG001.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:
Value:
C:\Users\admin\AppData\Roaming\NsMiner\IMG001.exe
(PID) Process:(736) tftp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\tftp_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(736) tftp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\tftp_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(736) tftp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\tftp_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(736) tftp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\tftp_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(736) tftp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\tftp_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
Executable files
6
Suspicious files
2
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
2816schtasks.exeC:\Windows\Tasks\UAC.job
MD5:
SHA256:
3032$RTNF4X3.exeC:\Users\admin\AppData\Roaming\NsMiner\IMG001.exeexecutable
MD5:
SHA256:
3996IMG001.exeC:\Users\admin\AppData\Local\Temp\info.zipcompressed
MD5:C3C561C20E48169F4906C6B0B135984B
SHA256:B914ABC696286A639A847D2E3A4A36FF682F30A87B08C4FFC61F2E0CF5E7EC5F
3996IMG001.exeC:\Users\admin\AppData\Local\Temp\tftp.exeexecutable
MD5:
SHA256:
3032$RTNF4X3.exeC:\Users\admin\AppData\Local\Temp\tftp.exeexecutable
MD5:
SHA256:
3996IMG001.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Run.lnklnk
MD5:
SHA256:
3996IMG001.exeC:\Users\admin\AppData\Local\Temp\nshFCA7.tmp\inetc.dllexecutable
MD5:D7A3FA6A6C738B4A3C40D5602AF20B08
SHA256:67EFF17C53A78C8EC9A28F392B9BB93DF3E74F96F6ECD87A333A482C36546B3E
3996IMG001.exeC:\Users\admin\AppData\Roaming\NsMiner\NsCpuCNMiner64.exeexecutable
MD5:EEDB9D86AE8ABC65FA7AC7C6323D4E8F
SHA256:D0326F0DDCE4C00F93682E3A6F55A3125F6387E959E9ED6C5E5584E78E737078
3032$RTNF4X3.exeC:\Users\admin\AppData\Local\Temp\info.zipcompressed
MD5:C3C561C20E48169F4906C6B0B135984B
SHA256:B914ABC696286A639A847D2E3A4A36FF682F30A87B08C4FFC61F2E0CF5E7EC5F
3996IMG001.exeC:\Users\admin\AppData\Roaming\NsMiner\pools.txttext
MD5:5137876455F2FD0C032CEED6FDBE49CB
SHA256:8689FD11C63754AEABB202D7E1DB3E5FE896F4E4E3597D4BFED58950F3110BB9
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2 034
DNS requests
1
Threats
9

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
736
tftp.exe
21.113.85.0:21
US
unknown
736
tftp.exe
172.94.246.0:21
Cogent Communications
US
unknown
736
tftp.exe
211.10.15.0:21
Yahoo Japan Corporation
JP
unknown
736
tftp.exe
172.237.167.0:21
Akamai Technologies, Inc.
US
unknown
736
tftp.exe
2.104.192.0:21
Tele Danmark
DK
unknown
736
tftp.exe
139.186.229.0:21
CN
unknown
736
tftp.exe
56.3.201.0:21
US
unknown
736
tftp.exe
17.143.67.0:21
Apple Inc.
US
unknown
736
tftp.exe
218.60.220.0:21
CHINA UNICOM China169 Backbone
CN
unknown
736
tftp.exe
135.138.84.0:21
US
unknown

DNS requests

Domain
IP
Reputation
stafftest.ru
  • 255.255.0.0
malicious

Threats

PID
Process
Class
Message
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
1080
svchost.exe
A Network Trojan was detected
AV TROJAN Observed DNS Query to Suspicious Domain (stafftest[.]ru)
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
736
tftp.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
No debug info