File name:

Minecrasoft update.exe

Full analysis: https://app.any.run/tasks/44253f53-95ca-4dfc-8f94-9ab518c73d88
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.

Malware Trends Tracker     >>>
Analysis date: February 27, 2021, 14:46:38
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

C03DCDFFDBB22012DA7506EB20B0730C

SHA1:

76205A969017DBB798586F62B0EB510052356C01

SHA256:

85B623EB4DB029D3FE8690443EABDB7EDAD7FBC6DDF4699A2980EC283C31E124

SSDEEP:

768:I/wtbh4wV8eXELwn5wcEGsw3ccrfL2fr:ZrzUM6ysw3cafyfr

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

      • Minecrasoft update.exe (PID: 2904)

    • Changes the autorun value in the registry

      • Minecrasoft update.exe (PID: 2904)

    • NJRAT was detected

      • Minecrasoft update.exe (PID: 2904)

    • Connects to CnC server

      • Minecrasoft update.exe (PID: 2904)

  • SUSPICIOUS

    • Uses NETSH.EXE for network configuration

      • Minecrasoft update.exe (PID: 2904)

    • Creates files in the user directory

      • Minecrasoft update.exe (PID: 2124)
      • Minecrasoft update.exe (PID: 2904)

    • Drops a file with a compile date too recent

      • Minecrasoft update.exe (PID: 2124)
      • Minecrasoft update.exe (PID: 2904)

    • Executable content was dropped or overwritten

      • Minecrasoft update.exe (PID: 2124)
      • Minecrasoft update.exe (PID: 2904)

    • Starts itself from another location

      • Minecrasoft update.exe (PID: 2124)

  • 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 | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2021:02:27 13:14:49+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 31232
InitializedDataSize: 1536
UninitializedDataSize: -
EntryPoint: 0x993e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 27-Feb-2021 12:14:49

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: 27-Feb-2021 12:14:49
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
0x00007944
0x00007A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.69066
.rsrc
0x0000A000
0x00000240
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.96877
.reloc
0x0000C000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.96801
487
Latin 1 / Western European
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start minecrasoft update.exe #NJRAT minecrasoft update.exe netsh.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2124"C:\Users\admin\AppData\Local\Temp\Minecrasoft update.exe" C:\Users\admin\AppData\Local\Temp\Minecrasoft update.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
4294967295
Modules
Images
c:\users\admin\appdata\local\temp\minecrasoft update.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
2660netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\Minecrasoft update.exe" "Minecrasoft update.exe" ENABLEC:\Windows\system32\netsh.exe—Minecrasoft update.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
2904"C:\Users\admin\AppData\Roaming\Minecrasoft update.exe" C:\Users\admin\AppData\Roaming\Minecrasoft update.exe
Minecrasoft update.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\roaming\minecrasoft update.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
Total events
472
Read events
397
Write events
75
Delete events
0

Modification events

(PID) Process:(2124) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Software\ffcc0d85d4a0aa990b8bf178c9bcaebc
Operation:writeName:hp
Value:
bXlpbmpldGFzLmRkbnMubmV0OjU2Nzk4LA==
(PID) Process:(2124) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Software\ffcc0d85d4a0aa990b8bf178c9bcaebc
Operation:writeName:i
Value:
!
(PID) Process:(2124) Minecrasoft update.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(2124) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2124) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2904) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Software\ffcc0d85d4a0aa990b8bf178c9bcaebc
Operation:writeName:hp
Value:
bXlpbmpldGFzLmRkbnMubmV0OjU2Nzk4LA==
(PID) Process:(2904) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Software\ffcc0d85d4a0aa990b8bf178c9bcaebc
Operation:writeName:i
Value:
!
(PID) Process:(2904) Minecrasoft update.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(2904) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
(PID) Process:(2904) Minecrasoft update.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:ffcc0d85d4a0aa990b8bf178c9bcaebc
Value:
"C:\Users\admin\AppData\Roaming\Minecrasoft update.exe" ..
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2124Minecrasoft update.exeC:\Users\admin\AppData\Roaming\Minecrasoft update.exeexecutable
MD5:—
SHA256:—
2904Minecrasoft update.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ffcc0d85d4a0aa990b8bf178c9bcaebc.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
1
DNS requests
1
Threats
27

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
2904
Minecrasoft update.exe
178.33.93.88:56798
myinjetas.ddns.net
OVH SAS
FR
malicious

DNS requests

Domain
IP
Reputation
myinjetas.ddns.net
  • 178.33.93.88
malicious

Threats

PID
Process
Class
Message
1040
svchost.exe
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
2904
Minecrasoft update.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
2904
Minecrasoft update.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback (Capture)
2904
Minecrasoft update.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback (Capture)
2904
Minecrasoft update.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback (Capture)
22 ETPRO signatures available at the full report
No debug info
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Reports
Minecrasoft update.exe