File name:

afreecatvpackage.exe

Full analysis: https://app.any.run/tasks/984818f6-cca7-4daa-aab7-62975c5d7d62
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 01, 2019, 15:19:04
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

3A416C6CC2A8657DE914AA1167962E34

SHA1:

898DAB935042548E0C64DE9FCBF6DDEBEE99D893

SHA256:

9EA2E620BF134635D7710F34D4F34CDE5ABB6B7B12B24A20F3550AEA10F0BB79

SSDEEP:

3072:jwZkbeC4FCdsPrQAGkepdf3TQfAiGYywUdR:jeCAzQAWpdf3dKk

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

    • Writes to a start menu file

      • afreecatvpackage.exe (PID: 3028)
    • NJRAT was detected

      • afreecatvpackage.exe (PID: 3028)
    • Changes the autorun value in the registry

      • afreecatvpackage.exe (PID: 3028)
  • SUSPICIOUS

    • Uses NETSH.EXE for network configuration

      • afreecatvpackage.exe (PID: 3028)
    • Creates files in the user directory

      • afreecatvpackage.exe (PID: 3028)
    • Executable content was dropped or overwritten

      • afreecatvpackage.exe (PID: 3028)
    • Connects to unusual port

      • afreecatvpackage.exe (PID: 3028)
  • 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 | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:01:31 20:56:57+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 73728
InitializedDataSize: 355328
UninitializedDataSize: -
EntryPoint: 0x13e0e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.1
ProductVersionNumber: 1.0.0.1
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Korean
CharacterSet: Windows, Korea (Shift - KSC 5601)
CompanyName: (C) AfreecaTV
FileDescription: AFCPackage
FileVersion: 1.0.0.1
InternalName: AFCPackage
LegalCopyright: Copyright AfreecaTV Co., Ltd. All rights reserved. 2007, 2008
LegalTrademarks: (C) AfreecaTV
OriginalFileName: AFCPackage
ProductName: AFCPackage
ProductVersion: 1.0.0.1

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 31-Jan-2019 19:56:57
Detected languages:
  • Korean - Korea
  • Process Default Language
CompanyName: (C) AfreecaTV
FileDescription: AFCPackage
FileVersion: 1.0.0.1
InternalName: AFCPackage
LegalCopyright: Copyright AfreecaTV Co., Ltd. All rights reserved. 2007, 2008
LegalTrademarks: (C) AfreecaTV
OriginalFilename: AFCPackage
ProductName: AFCPackage
ProductVersion: 1.0.0.1

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: 31-Jan-2019 19:56:57
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
0x00011E14
0x00012000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.17723
.rsrc
0x00014000
0x00056860
0x00056A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.36298
.reloc
0x0006C000
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
3.4058
848
Latin 1 / Western European
Korean - Korea
RT_VERSION
2
5.24747
4264
Latin 1 / Western European
Process Default Language
RT_ICON
3
4.76313
9640
Latin 1 / Western European
Process Default Language
RT_ICON
4
3.79348
67624
Latin 1 / Western European
Process Default Language
RT_ICON
5
3.06762
270376
Latin 1 / Western European
Process Default Language
RT_ICON
MAINICON
2.6474
76
Latin 1 / Western European
Process Default Language
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
32
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NJRAT afreecatvpackage.exe netsh.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3028"C:\Users\admin\AppData\Local\Temp\afreecatvpackage.exe" C:\Users\admin\AppData\Local\Temp\afreecatvpackage.exe
explorer.exe
User:
admin
Company:
(C) AfreecaTV
Integrity Level:
MEDIUM
Description:
AFCPackage
Exit code:
0
Version:
1.0.0.1
Modules
Images
c:\users\admin\appdata\local\temp\afreecatvpackage.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3248netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\afreecatvpackage.exe" "afreecatvpackage.exe" ENABLEC:\Windows\system32\netsh.exeafreecatvpackage.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)
Modules
Images
c:\windows\system32\netsh.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\credui.dll
c:\windows\system32\user32.dll
Total events
718
Read events
48
Write events
670
Delete events
0

Modification events

(PID) Process:(3028) afreecatvpackage.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3028) afreecatvpackage.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(3028) afreecatvpackage.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
(PID) Process:(3248) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3248) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-100
Value:
DHCP Quarantine Enforcement Client
(PID) Process:(3248) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-101
Value:
Provides DHCP based enforcement for NAP
(PID) Process:(3248) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-103
Value:
1.0
(PID) Process:(3248) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-102
Value:
Microsoft Corporation
(PID) Process:(3248) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:@%SystemRoot%\system32\napipsec.dll,-1
Value:
IPsec Relying Party
(PID) Process:(3248) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:@%SystemRoot%\system32\napipsec.dll,-2
Value:
Provides IPsec based enforcement for Network Access Protection
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3028afreecatvpackage.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d52c7d00001f950039029ada50069bea.exeexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
47
DNS requests
1
Threats
0

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
3028
afreecatvpackage.exe
220.79.90.64:15
tae98874.kro.kr
Korea Telecom
KR
unknown

DNS requests

Domain
IP
Reputation
tae98874.kro.kr
  • 220.79.90.64
unknown

Threats

No threats detected
No debug info