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File name:

gta_sa.exe

Full analysis: https://app.any.run/tasks/7a940690-910e-4ae9-94ca-c9c38ff72908
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: June 17, 2019, 00:07:26
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:

0ACD6B3A9E397F0B591FDEB619817820

SHA1:

C52B67F0B54612F67944093A0E248C4FDB074EC2

SHA256:

43C58DCE38086CB16089BA98BCDD556A26FE1F957FB025FE6F3DC8E49F1AFB00

SSDEEP:

384:lVY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZT6/:UL2s+tRyRpcnux/

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

      • gta_sa.exe (PID: 2956)
    • NJRAT was detected

      • gta_sa.exe (PID: 2956)
      • gta_sa.exe (PID: 2956)
    • Connects to CnC server

      • gta_sa.exe (PID: 2956)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • gta_sa.exe (PID: 3972)
      • gta_sa.exe (PID: 2956)
    • Uses NETSH.EXE for network configuration

      • gta_sa.exe (PID: 2956)
    • Starts itself from another location

      • gta_sa.exe (PID: 3972)
    • Creates files in the user directory

      • gta_sa.exe (PID: 2956)
  • 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.) (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: 0x747e
UninitializedDataSize: -
InitializedDataSize: 2048
CodeSize: 22016
LinkerVersion: 8
PEType: PE32
TimeStamp: 2019:06:17 02:05:25+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 17-Jun-2019 00:05:25

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: 17-Jun-2019 00:05:25
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
0x00005484
0x00005600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.56998
.rsrc
0x00008000
0x000005CC
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.07778
.reloc
0x0000A000
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
50
1.97095
20
Latin 1 / Western European
UNKNOWN
RT_GROUP_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
37
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
3972"C:\Users\admin\Desktop\gta_sa.exe" C:\Users\admin\Desktop\gta_sa.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2956"C:\Users\admin\AppData\Local\Temp\gta_sa.exe" C:\Users\admin\AppData\Local\Temp\gta_sa.exe
gta_sa.exe
User:
admin
Integrity Level:
MEDIUM
3304netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\gta_sa.exe" "gta_sa.exe" ENABLEC:\Windows\system32\netsh.exegta_sa.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)
Total events
458
Read events
391
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2956gta_sa.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c9811f67823e614aa77b712d364b0303.exeexecutable
MD5:0ACD6B3A9E397F0B591FDEB619817820
SHA256:43C58DCE38086CB16089BA98BCDD556A26FE1F957FB025FE6F3DC8E49F1AFB00
3972gta_sa.exeC:\Users\admin\AppData\Local\Temp\gta_sa.exeexecutable
MD5:0ACD6B3A9E397F0B591FDEB619817820
SHA256:43C58DCE38086CB16089BA98BCDD556A26FE1F957FB025FE6F3DC8E49F1AFB00
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
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
2956
gta_sa.exe
3.17.202.129:1604
0.tcp.ngrok.io
US
malicious

DNS requests

Domain
IP
Reputation
0.tcp.ngrok.io
  • 3.17.202.129
shared

Threats

PID
Process
Class
Message
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
2956
gta_sa.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
3 ETPRO signatures available at the full report
No debug info