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File name:

AsyncClient.exe

Full analysis: https://app.any.run/tasks/68e51c08-705c-4e9a-887b-014bee621708
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Analysis date: August 08, 2020, 17:15:34
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

08390E31A7B39201D7E4F9E9F5FEE8DE

SHA1:

DE954065080F33FA524A75ED5B495CE8B53CB46B

SHA256:

20B98F56DC1CBFACFD0C3908545088BBC62E2E513D4AF2C677FDC9178B1A39F0

SSDEEP:

768:8uqc9T944nD5WUxiVDmo2qrvcbnBi6SPIXn3LiMUodRq0b+wI4fF4LHjePgB/aqT:8uqc9T9xy2VBZ7Xn3LiIrb+7Q4LHjeot

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

    • ASYNCRAT was detected

      • AsyncClient.exe (PID: 864)
    • Application was dropped or rewritten from another process

      • injector.exe (PID: 4208)
    • Loads dropped or rewritten executable

      • SearchProtocolHost.exe (PID: 9832)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 5684)
    • Reads Environment values

      • injector.exe (PID: 4208)
    • Starts CMD.EXE for commands execution

      • AsyncClient.exe (PID: 864)
  • INFO

    • Reads settings of System Certificates

      • chrome.exe (PID: 2248)
    • Reads the hosts file

      • chrome.exe (PID: 2228)
      • chrome.exe (PID: 2248)
    • Manual execution by user

      • chrome.exe (PID: 2228)
      • injector.exe (PID: 4208)
    • Application launched itself

      • chrome.exe (PID: 2228)
    • Reads Internet Cache Settings

      • chrome.exe (PID: 2228)
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.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:05:10 07:24:51+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 45568
InitializedDataSize: 3072
UninitializedDataSize: -
EntryPoint: 0xd0ce
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: Savio Exploit
FileVersion: 1.0.0.0
InternalName: Savio Exploit.exe
LegalCopyright: Copyright © 2020
LegalTrademarks: -
OriginalFileName: Savio Exploit.exe
ProductName: Savio AIM
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-May-2020 05:24:51
Comments: -
CompanyName: -
FileDescription: Savio Exploit
FileVersion: 1.0.0.0
InternalName: Savio Exploit.exe
LegalCopyright: Copyright © 2020
LegalTrademarks: -
OriginalFilename: Savio Exploit.exe
ProductName: Savio AIM
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 10-May-2020 05:24:51
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
0x0000B0D4
0x0000B200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.62433
.rsrc
0x0000E000
0x00000868
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.12353
.reloc
0x00010000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0776332

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.22615
1171
Latin 1 / Western European
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
74
Monitored processes
33
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #ASYNCRAT asyncclient.exe 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 chrome.exe no specs winrar.exe injector.exe searchprotocolhost.exe no specs cmd.exe no specs shutdown.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
864"C:\Users\admin\AppData\Local\Temp\AsyncClient.exe" C:\Users\admin\AppData\Local\Temp\AsyncClient.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Savio Exploit
Version:
1.0.0.0
2228"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
2936"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,0x80,0x84,0x78,0x88,0x6f22a9d0,0x6f22a9e0,0x6f22a9ecC:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
1472"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=2092 --on-initialized-event-handle=324 --parent-handle=328 /prefetch:6C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Version:
75.0.3770.100
2260"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1004,17805131355220511868,932780424263513056,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAADgAAAgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=10110645156969613546 --mojo-platform-channel-handle=996 --ignored=" --type=renderer " /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Version:
75.0.3770.100
2248"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1004,17805131355220511868,932780424263513056,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=network --service-request-channel-token=7808249974391019844 --mojo-platform-channel-handle=1544 /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
3732"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1004,17805131355220511868,932780424263513056,131072 --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=17503960215086308945 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2272 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
2716"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1004,17805131355220511868,932780424263513056,131072 --enable-features=PasswordImport --lang=en-US --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=10920057525248706498 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2508 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
332"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1004,17805131355220511868,932780424263513056,131072 --enable-features=PasswordImport --lang=en-US --extension-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=6017757130758678775 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2444 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
4036"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=1004,17805131355220511868,932780424263513056,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=utility --service-request-channel-token=3823085131041761586 --mojo-platform-channel-handle=3336 --ignored=" --type=renderer " /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
75.0.3770.100
Total events
2 187
Read events
2 015
Write events
0
Delete events
0

Modification events

No data
Executable files
8
Suspicious files
203
Text files
559
Unknown types
10

Dropped files

PID
Process
Filename
Type
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\10647b3e-9af7-4541-b0da-bc9df269df1f.tmp
MD5:
SHA256:
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000032.dbtmp
MD5:
SHA256:
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\BudgetDatabase\LOG.oldtext
MD5:142AFC7F980CB38310D0680F2E8907CF
SHA256:3D5E5DF95E28CF65C77882748077EC52706AF02F8D869E188B6D16F782F82F44
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.oldtext
MD5:D11C35B3D5258F594933332C11C6F0F2
SHA256:DC2EB16E16FA3FB258AC31A481F817208CF0C917AF4224F2832588D3A64ADD05
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Last Versiontext
MD5:1A89A1BEBE6C843C4FF582E7ED33CA1F
SHA256:65099CA087B66AA8CA420AB121DAAD713E1DB5A61C5A574D9B1C0DF24F012520
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:1B8E44CB8872BF26BC5219E37A700F8A
SHA256:FD3D4BC8A7D28A05D1321F1D175FB59FC2BCC3532B92274A50133C22F0A0480A
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.oldtext
MD5:988975E56D776333B46F1BCAE6967C0E
SHA256:22186F0422A02BE70860975EF688A895EEA653C3A7259FFBA9114138A544E05A
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.old~RFe7b75.TMPtext
MD5:D11C35B3D5258F594933332C11C6F0F2
SHA256:DC2EB16E16FA3FB258AC31A481F817208CF0C917AF4224F2832588D3A64ADD05
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Last Tabsbinary
MD5:0CE1FA0314D44178816BA5E7133E07DD
SHA256:8D81EC8C4EFED885A0FF9267B0B388FB53316938EEDCDFABDC697E3610883714
2228chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.old~RFe7b36.TMPtext
MD5:988975E56D776333B46F1BCAE6967C0E
SHA256:22186F0422A02BE70860975EF688A895EEA653C3A7259FFBA9114138A544E05A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
69
DNS requests
46
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
864
AsyncClient.exe
GET
304
93.184.221.240:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
whitelisted
864
AsyncClient.exe
GET
304
93.184.221.240:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
whitelisted
864
AsyncClient.exe
GET
200
93.184.221.240:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
56.7 Kb
whitelisted
864
AsyncClient.exe
GET
304
93.184.221.240:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
56.7 Kb
whitelisted
864
AsyncClient.exe
GET
304
93.184.221.240:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
56.7 Kb
whitelisted
864
AsyncClient.exe
GET
304
93.184.221.240:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
56.7 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2248
chrome.exe
172.217.22.67:443
fonts.gstatic.com
Google Inc.
US
whitelisted
864
AsyncClient.exe
10.9.154.134:2119
unknown
2248
chrome.exe
172.217.18.10:443
fonts.googleapis.com
Google Inc.
US
whitelisted
2248
chrome.exe
172.217.21.195:443
www.gstatic.com
Google Inc.
US
whitelisted
2248
chrome.exe
172.217.16.195:443
clientservices.googleapis.com
Google Inc.
US
whitelisted
2248
chrome.exe
216.58.212.164:443
www.google.com
Google Inc.
US
whitelisted
2248
chrome.exe
216.58.212.141:443
accounts.google.com
Google Inc.
US
whitelisted
2248
chrome.exe
172.217.18.110:443
apis.google.com
Google Inc.
US
whitelisted
2248
chrome.exe
172.217.16.150:443
i.ytimg.com
Google Inc.
US
suspicious
2248
chrome.exe
172.217.23.99:443
ssl.gstatic.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
clientservices.googleapis.com
  • 172.217.16.195
whitelisted
accounts.google.com
  • 216.58.212.141
shared
www.google.com
  • 216.58.212.164
whitelisted
fonts.googleapis.com
  • 172.217.18.10
whitelisted
www.gstatic.com
  • 172.217.21.195
whitelisted
fonts.gstatic.com
  • 172.217.22.67
  • 172.217.23.163
whitelisted
apis.google.com
  • 172.217.18.110
whitelisted
ogs.google.com
  • 172.217.16.142
whitelisted
clients2.google.com
  • 216.58.206.14
whitelisted
consent.google.com
  • 216.58.206.14
shared

Threats

PID
Process
Class
Message
Potential Corporate Privacy Violation
ET POLICY DNS Query to a Reverse Proxy Service Observed
864
AsyncClient.exe
Misc Attack
ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 316
864
AsyncClient.exe
A Network Trojan was detected
MALWARE [PTsecurity] AsyncRAT
864
AsyncClient.exe
A Network Trojan was detected
MALWARE [PTsecurity] AsyncRAT
864
AsyncClient.exe
Misc Attack
ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 316
1 ETPRO signatures available at the full report
No debug info