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File name:

05_limerat.exe

Full analysis: https://app.any.run/tasks/53193c43-3ce5-4d2b-bea5-86cde24315ed
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: May 20, 2019, 15:38:09
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
njrat
bladabindi
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

CDDBCC6B378FEC8B9F9699FCD62451DA

SHA1:

BCA54E238C1D7AACE329DCE72E3DC8452F69BBAA

SHA256:

F8BC1687070D3F0494F054EF9A11BA3F31DCE231DDE02DD9AAA998D7CCD67221

SSDEEP:

768:enQKAvUidZb0MJek5NQWVCYmzleq75hQY:e8vUidZHJRfYleu5+

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

    • Changes the autorun value in the registry

      • 05_limerat.exe (PID: 3128)
    • NJRAT was detected

      • Mservices.exe (PID: 2236)
    • Connects to CnC server

      • Mservices.exe (PID: 2236)
    • Changes settings of System certificates

      • Mservices.exe (PID: 2236)
  • SUSPICIOUS

    • Creates files in the user directory

      • 05_limerat.exe (PID: 3128)
    • Starts itself from another location

      • 05_limerat.exe (PID: 3128)
    • Executable content was dropped or overwritten

      • 05_limerat.exe (PID: 3128)
    • Adds / modifies Windows certificates

      • Mservices.exe (PID: 2236)
  • INFO

    • Reads settings of System Certificates

      • Mservices.exe (PID: 2236)
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.) (55.8)
.exe | Win64 Executable (generic) (21)
.scr | Windows screen saver (9.9)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x8c4e
UninitializedDataSize: -
InitializedDataSize: 512
CodeSize: 28160
LinkerVersion: 11
PEType: PE32
TimeStamp: 2019:05:20 12:59:29+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 20-May-2019 10:59:29

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: 2
Time date stamp: 20-May-2019 10:59:29
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
0x00006C54
0x00006E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.01932
.reloc
0x0000A000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
33
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start 05_limerat.exe #NJRAT mservices.exe

Process information

PID
CMD
Path
Indicators
Parent process
3128"C:\Users\admin\AppData\Local\Temp\05_limerat.exe" C:\Users\admin\AppData\Local\Temp\05_limerat.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2236"C:\Users\admin\AppData\Roaming\Mservices.exe" C:\Users\admin\AppData\Roaming\Mservices.exe
05_limerat.exe
User:
admin
Integrity Level:
MEDIUM
Total events
452
Read events
414
Write events
36
Delete events
2

Modification events

(PID) Process:(3128) 05_limerat.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Mservices.exe
Value:
C:\Users\admin\AppData\Roaming\Mservices.exe
(PID) Process:(3128) 05_limerat.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3128) 05_limerat.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2236) Mservices.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mservices_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2236) Mservices.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mservices_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2236) Mservices.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mservices_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2236) Mservices.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mservices_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(2236) Mservices.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mservices_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2236) Mservices.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mservices_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2236) Mservices.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Mservices_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
312805_limerat.exeC:\Users\admin\AppData\Roaming\Mservices.exeexecutable
MD5:CDDBCC6B378FEC8B9F9699FCD62451DA
SHA256:F8BC1687070D3F0494F054EF9A11BA3F31DCE231DDE02DD9AAA998D7CCD67221
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
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
2236
Mservices.exe
104.20.208.21:443
pastebin.com
Cloudflare Inc
US
shared
2236
Mservices.exe
216.38.8.164:7332
GigeNET
US
malicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.20.208.21
  • 104.20.209.21
shared

Threats

PID
Process
Class
Message
2236
Mservices.exe
A Network Trojan was detected
MALWARE [PTsecurity] Lime-RAT (Gen.NjRAT)
2236
Mservices.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi (Lime-RAT)
2 ETPRO signatures available at the full report
No debug info