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File name:

Sisa.exe

Full analysis: https://app.any.run/tasks/048b2d26-9d29-42c5-bd9e-b0f6da35486b
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.

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Analysis date: November 29, 2020, 14:36:47
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
njrat
bladabindi
Indicators:
MIME: application/x-dosexec
File info: MS-DOS executable, MZ for MS-DOS
MD5:

534B1A1A0F331AB7FC47CA8F940C481A

SHA1:

D96ADA3F737BE6CE33B05F628C43C57FCCA493B9

SHA256:

031ED82AD71C198BD3DA3EA33B0AFEF1BFFF26D43F5C1CD1563DB23A3E1DA8D0

SSDEEP:

384:5vcTzGajUqhEv2M5oNlche9KaBgYHDzSkItx7irr6JT3BNAJGw/F/5Jn:5vkFjUZ5oTchYKmguOj7i3CLQGw/t59

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

      • svhost.exe (PID: 1468)
      • server.exe (PID: 2740)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 1544)

    • Connects to CnC server

      • svhost.exe (PID: 1468)

    • Uses Task Scheduler to run other applications

      • svhost.exe (PID: 1468)

    • Writes to a start menu file

      • svhost.exe (PID: 1468)
      • server.exe (PID: 2740)

    • NJRAT was detected

      • svhost.exe (PID: 1468)
      • server.exe (PID: 2740)

    • Application was dropped or rewritten from another process

      • .exe (PID: 2172)
      • server.exe (PID: 2740)
      • Server.exe (PID: 976)

  • SUSPICIOUS

    • Starts itself from another location

      • Sisa.exe (PID: 2080)
      • .exe (PID: 2172)

    • Creates files in the user directory

      • svhost.exe (PID: 1468)
      • server.exe (PID: 2740)

    • Creates files in the program directory

      • Sisa.exe (PID: 2080)

    • Executable content was dropped or overwritten

      • Sisa.exe (PID: 2080)
      • svhost.exe (PID: 1468)
      • .exe (PID: 2172)
      • server.exe (PID: 2740)

    • Drops a file with a compile date too recent

      • svhost.exe (PID: 1468)
      • .exe (PID: 2172)
      • server.exe (PID: 2740)

    • Uses NETSH.EXE for network configuration

      • server.exe (PID: 2740)

    • Executed via Task Scheduler

      • Server.exe (PID: 976)

  • 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 | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2010:12:09 19:58:19+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 4096
InitializedDataSize: 1536
UninitializedDataSize: -
EntryPoint: 0x2e5e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 09-Dec-2010 18:58:19

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0040
Pages in file: 0x0001
Relocations: 0x0000
Size of header: 0x0002
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: 0xB400
OEM information: 0xCD09
Address of NE header: 0x00000040

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 09-Dec-2010 18:58:19
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
0x00000E64
0x00001000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.25079
.rsrc
0x00004000
0x00000400
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.51607
.reloc
0x00006000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.4854

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
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
42
Monitored processes
7
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start drop and start drop and start sisa.exe #NJRAT svhost.exe schtasks.exe no specs .exe #NJRAT server.exe netsh.exe no specs server.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2080"C:\Users\admin\AppData\Local\Temp\Sisa.exe" C:\Users\admin\AppData\Local\Temp\Sisa.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
1468"C:\ProgramData\svhost.exe" C:\ProgramData\svhost.exe
Sisa.exe
User:
admin
Integrity Level:
MEDIUM
1544schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\admin\AppData\Local\Temp/Server.exeC:\Windows\system32\schtasks.exe—svhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2172"C:\Users\admin\AppData\Local\Temp\.exe" C:\Users\admin\AppData\Local\Temp\.exe
svhost.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2740"C:\Users\admin\AppData\Local\Temp\server.exe" C:\Users\admin\AppData\Local\Temp\server.exe
.exe
User:
admin
Integrity Level:
MEDIUM
1032netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\server.exe" "server.exe" ENABLEC:\Windows\system32\netsh.exe—server.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)
976C:\Users\admin\AppData\Local\Temp/Server.exe C:\Users\admin\AppData\Local\Temp\Server.exe—taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Total events
964
Read events
843
Write events
0
Delete events
0

Modification events

No data
Executable files
6
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
1468svhost.exeC:\Users\admin\AppData\Local\Temp\Server.exeexecutable
MD5:534B1A1A0F331AB7FC47CA8F940C481A
SHA256:031ED82AD71C198BD3DA3EA33B0AFEF1BFFF26D43F5C1CD1563DB23A3E1DA8D0
2080Sisa.exeC:\ProgramData\svhost.exeexecutable
MD5:534B1A1A0F331AB7FC47CA8F940C481A
SHA256:031ED82AD71C198BD3DA3EA33B0AFEF1BFFF26D43F5C1CD1563DB23A3E1DA8D0
2172.exeC:\Users\admin\AppData\Local\Temp\server.exeexecutable
MD5:0F6FF898125BF523B3F812E08118AFEA
SHA256:A08FBB11D4B08D9C8FEA878180FE9AF98AD0D3D440FC850752C509C8BC746D2D
2740server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c11ebb3569815896405ae8ea2f91afe7.exeexecutable
MD5:0F6FF898125BF523B3F812E08118AFEA
SHA256:A08FBB11D4B08D9C8FEA878180FE9AF98AD0D3D440FC850752C509C8BC746D2D
1468svhost.exeC:\Users\admin\AppData\Local\Temp\.exeexecutable
MD5:0F6FF898125BF523B3F812E08118AFEA
SHA256:A08FBB11D4B08D9C8FEA878180FE9AF98AD0D3D440FC850752C509C8BC746D2D
1468svhost.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exeexecutable
MD5:534B1A1A0F331AB7FC47CA8F940C481A
SHA256:031ED82AD71C198BD3DA3EA33B0AFEF1BFFF26D43F5C1CD1563DB23A3E1DA8D0
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
1468
svhost.exe
185.82.217.135:9282
vanyalox2008.hopto.org
ITL Company
BG
malicious
2740
server.exe
185.82.217.135:8228
vanyalox2008.hopto.org
ITL Company
BG
malicious

DNS requests

Domain
IP
Reputation
vanyalox2008.hopto.org
  • 185.82.217.135
malicious

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.hopto .org
1468
svhost.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
1468
svhost.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi
1468
svhost.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
9 ETPRO signatures available at the full report
No debug info
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Reports
Sisa.exe