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File name:

Sanyzhuisosi.exe

Full analysis: https://app.any.run/tasks/805a2952-ce73-45e4-9595-ce6e02cf11d1
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: November 29, 2020, 14:39:06
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:

1051CCBCBB2400E369B2FF39B1D09AB3

SHA1:

3BA33E75336ACBD2283DC08FEF697E80655072F4

SHA256:

754D61477180E7F78B6BB00F3A1E0CC593DA01470914A7C5532DA48A55103F4B

SSDEEP:

384:OG9caCisN/WRdL5kyc/vmXhlngKKVCFrAF+rMRTyN/0L+EcoinblneHQM3epzXq3:n9ciD5nc/vmH9KCrM+rMRa8Nurst

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

      • server.exe (PID: 2820)

    • Changes the autorun value in the registry

      • server.exe (PID: 2820)

    • NJRAT was detected

      • server.exe (PID: 2820)

  • SUSPICIOUS

    • Starts itself from another location

      • Sanyzhuisosi.exe (PID: 1020)

    • Uses NETSH.EXE for network configuration

      • server.exe (PID: 2820)

    • Creates files in the user directory

      • server.exe (PID: 2820)

    • Executable content was dropped or overwritten

      • server.exe (PID: 2820)
      • Sanyzhuisosi.exe (PID: 1020)

    • Drops a file with a compile date too recent

      • Sanyzhuisosi.exe (PID: 1020)
      • server.exe (PID: 2820)

  • INFO

    • Manual execution by user

      • WINWORD.EXE (PID: 2856)
      • chrome.exe (PID: 2444)

    • Reads the hosts file

      • chrome.exe (PID: 2444)
      • chrome.exe (PID: 3460)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2856)

    • Application launched itself

      • chrome.exe (PID: 2444)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2856)
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: 2020:11:29 14:34:21+01:00
PEType: PE32
LinkerVersion: 11
CodeSize: 35840
InitializedDataSize: 1536
UninitializedDataSize: -
EntryPoint: 0xabce
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 29-Nov-2020 13:34:21

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: 29-Nov-2020 13:34:21
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
0x00008BD4
0x00008C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.60742
.rsrc
0x0000C000
0x00000240
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.96877
.reloc
0x0000E000
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
69
Monitored processes
30
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start sanyzhuisosi.exe #NJRAT server.exe netsh.exe no specs winword.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1020"C:\Users\admin\AppData\Local\Temp\Sanyzhuisosi.exe" C:\Users\admin\AppData\Local\Temp\Sanyzhuisosi.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2820"C:\Users\admin\AppData\Local\Temp\server.exe" C:\Users\admin\AppData\Local\Temp\server.exe
Sanyzhuisosi.exe
User:
admin
Integrity Level:
MEDIUM
404netsh 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)
2856"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\aprillocation.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
2444"C:\Program Files\Google\Chrome\Application\chrome.exe" C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
1716"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=75.0.3770.100 --initial-client-data=0x7c,0x80,0x84,0x78,0x88,0x6c0fa9d0,0x6c0fa9e0,0x6c0fa9ecC:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
3884"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=3728 --on-initialized-event-handle=324 --parent-handle=328 /prefetch:6C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
2312"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=976,9115647034791218737,7463069491694280559,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAADgAAAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=629908265724277757 --mojo-platform-channel-handle=988 --ignored=" --type=renderer " /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
75.0.3770.100
3460"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=976,9115647034791218737,7463069491694280559,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=network --service-request-channel-token=3775967224702421759 --mojo-platform-channel-handle=1680 /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe
chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
4020"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=976,9115647034791218737,7463069491694280559,131072 --enable-features=PasswordImport --lang=en-US --instant-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=7090746612688576599 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2264 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
75.0.3770.100
Total events
1 773
Read events
1 318
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
15
Text files
216
Unknown types
10

Dropped files

PID
Process
Filename
Type
2856WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRA6A9.tmp.cvr —
MD5:—
SHA256:—
2856WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{D8142E06-3B7B-461E-8CCB-C6EF1D0AF252}.tmp —
MD5:—
SHA256:—
2856WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{7468F624-66D9-4229-A728-354DCCFDF9FF}.tmp —
MD5:—
SHA256:—
2856WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRF{D19898B6-0D9C-4487-B0E1-035D61EF1F74}.tmp —
MD5:—
SHA256:—
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\BrowserMetrics\BrowserMetrics-5FC3B2BE-98C.pma —
MD5:—
SHA256:—
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\a6fa5027-fa6e-403f-a0b7-f13a6deed63c.tmp —
MD5:—
SHA256:—
1020Sanyzhuisosi.exeC:\Users\admin\AppData\Local\Temp\server.exeexecutable
MD5:1051CCBCBB2400E369B2FF39B1D09AB3
SHA256:754D61477180E7F78B6BB00F3A1E0CC593DA01470914A7C5532DA48A55103F4B
2856WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\aprillocation.rtf.LNKlnk
MD5:EFB1C8C1AE42A36A66C69E445819C5DA
SHA256:D750A0F152B4CC5C9FF691D843C990B8B8F8073DB54B7C17DDA8A3BBC658354D
2444chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.old~RF15d1b1.TMPtext
MD5:D4322EEBAC92D1B8F7A6F5E39F6264B7
SHA256:A3EEDF21B850DCC7CE5AE04395ECDD2D29DA4EA549C8A185DD9E8B552A87B8C2
2820server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\23405b23877e3bf4d3bef630649f25f1.exeexecutable
MD5:1051CCBCBB2400E369B2FF39B1D09AB3
SHA256:754D61477180E7F78B6BB00F3A1E0CC593DA01470914A7C5532DA48A55103F4B
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
21
DNS requests
18
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
3460
chrome.exe
172.217.18.99:443
fonts.gstatic.com
Google Inc.
US
whitelisted
3460
chrome.exe
216.58.205.237:443
accounts.google.com
Google Inc.
US
whitelisted
3460
chrome.exe
172.217.21.202:443
fonts.googleapis.com
Google Inc.
US
whitelisted
3460
chrome.exe
172.217.16.131:443
clientservices.googleapis.com
Google Inc.
US
whitelisted
2820
server.exe
185.82.217.135:6733
vanyalox2008.hopto.org
ITL Company
BG
malicious
3460
chrome.exe
216.58.207.78:443
ogs.google.com.ua
Google Inc.
US
whitelisted
3460
chrome.exe
172.217.23.110:443
apis.google.com
Google Inc.
US
whitelisted
3460
chrome.exe
142.250.74.195:443
www.google.com.ua
Google Inc.
US
whitelisted
3460
chrome.exe
142.250.74.196:443
www.google.com
Google Inc.
US
whitelisted
3460
chrome.exe
172.217.22.110:443
clients2.google.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
vanyalox2008.hopto.org
  • 185.82.217.135
malicious
dns.msftncsi.com
  • 131.107.255.255
shared
clientservices.googleapis.com
  • 172.217.16.131
whitelisted
accounts.google.com
  • 216.58.205.237
shared
www.google.com.ua
  • 142.250.74.195
whitelisted
fonts.googleapis.com
  • 172.217.21.202
whitelisted
www.gstatic.com
  • 172.217.16.131
whitelisted
fonts.gstatic.com
  • 172.217.18.99
whitelisted
apis.google.com
  • 172.217.23.110
whitelisted
ogs.google.com.ua
  • 216.58.207.78
whitelisted

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.hopto .org
No debug info
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Reports
Sanyzhuisosi.exe