analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
File name:

async-test-2.exe

Full analysis: https://app.any.run/tasks/ba7b5a7b-c7e1-4e6e-b2dc-a3bc20b0bc40
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: December 06, 2019, 22:15:54
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
asyncrat
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

634FA0959158E360C3A049269FE52A27

SHA1:

B41B0F25F442519DD3A43740341583CE056433A0

SHA256:

E0A533F9F69627E8BF99DDABAA6A43091A948B774BE6E4EB312660D98942F07A

SSDEEP:

1536:EMlHDX9ZwgeLbHLybCQZAGYrcfbwzpUPI5dRKmVcl:th9ZxefH+bCQZcV6P8LK8Y

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

      • async-test-2.exe (PID: 2692)
  • SUSPICIOUS

    • Connects to unusual port

      • async-test-2.exe (PID: 2692)
  • 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.) (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

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: -
OriginalFileName: Stub.exe
LegalTrademarks: -
LegalCopyright: -
InternalName: Stub.exe
FileVersion: 1.0.0.0
FileDescription: -
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xcf0e
UninitializedDataSize: -
InitializedDataSize: 4608
CodeSize: 45056
LinkerVersion: 48
PEType: PE32
TimeStamp: 2086:10:22 21:35:34+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 16-Sep-1950 13:07:18
Comments: -
CompanyName: -
FileDescription: -
FileVersion: 1.0.0.0
InternalName: Stub.exe
LegalCopyright: -
LegalTrademarks: -
OriginalFilename: Stub.exe
ProductName: -
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: 16-Sep-1950 13:07:18
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x0000AF14
0x0000B000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.70903
.rsrc
0x0000E000
0x00000FB6
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.01474
.reloc
0x00010000
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
5.01077
3146
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #ASYNCRAT async-test-2.exe

Process information

PID
CMD
Path
Indicators
Parent process
2692"C:\Users\admin\AppData\Local\Temp\async-test-2.exe" C:\Users\admin\AppData\Local\Temp\async-test-2.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
Total events
162
Read events
146
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
4
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2692async-test-2.exeC:\Users\admin\AppData\Local\Temp\CabCCFF.tmp
MD5:
SHA256:
2692async-test-2.exeC:\Users\admin\AppData\Local\Temp\TarCD00.tmp
MD5:
SHA256:
2692async-test-2.exeC:\Users\admin\AppData\Local\Temp\CabCD10.tmp
MD5:
SHA256:
2692async-test-2.exeC:\Users\admin\AppData\Local\Temp\TarCD11.tmp
MD5:
SHA256:
2692async-test-2.exeC:\Users\admin\AppData\Local\Temp\CabCDAF.tmp
MD5:
SHA256:
2692async-test-2.exeC:\Users\admin\AppData\Local\Temp\TarCDB0.tmp
MD5:
SHA256:
2692async-test-2.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015binary
MD5:D4F11CD45EB890EDFCFEA9346B3C3DB7
SHA256:6D8765BBFCA5C15176A13610F604AC37084AC897DA5E5AECABF99B67440A1E96
2692async-test-2.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015compressed
MD5:5AD071A3917588E8CD883B123B395B21
SHA256:DE62965C15528DA598B0079D2D20D953DD6F71B13A23807BFF0666D03F69C0FA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
3
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2692
async-test-2.exe
GET
200
13.107.4.50:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
57.4 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
2692
async-test-2.exe
13.56.12.247:8100
Amazon.com, Inc.
US
malicious
2692
async-test-2.exe
13.107.4.50:80
www.download.windowsupdate.com
Microsoft Corporation
US
whitelisted

DNS requests

Domain
IP
Reputation
www.download.windowsupdate.com
  • 13.107.4.50
whitelisted

Threats

PID
Process
Class
Message
2692
async-test-2.exe
A Network Trojan was detected
MALWARE [PTsecurity] AsyncRAT
2692
async-test-2.exe
A Network Trojan was detected
MALWARE [PTsecurity] AsyncRAT
1 ETPRO signatures available at the full report
No debug info