File name:

333.exe

Full analysis: https://app.any.run/tasks/33d42841-fa60-4aea-b60a-6ac2a6b27a11
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: March 04, 2021, 15:28:47
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:

B608B40329BAD4FCF921A6AC92C47446

SHA1:

2CAB311CE9992C3EC379A2B86BC50DD715AAF781

SHA256:

2321A16EE905DF7B9AE92A6DAF4B2CF4C9A3586D59E2916DE7BEE0BC57DBD9AD

SSDEEP:

768:Ou439TskvpDWUPANxmo2qbAO1AxqdPIjAeZWt0bcZhIdL2UKhRvKU9kBDZQx:Ou439TswI2iwjAGbcZhIQnvKDdQx

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

      • 333.exe (PID: 956)
    • ASYNCRAT was detected

      • Picture2.exe (PID: 1448)
  • SUSPICIOUS

    • Creates files in the user directory

      • 333.exe (PID: 956)
    • Starts CMD.EXE for commands execution

      • 333.exe (PID: 956)
    • Executable content was dropped or overwritten

      • 333.exe (PID: 956)
  • 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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:05:10 07:24:51+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 45568
InitializedDataSize: 2560
UninitializedDataSize: -
EntryPoint: 0xd04e
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: -
FileVersion: 1.0.0.0
InternalName: Stub.exe
LegalCopyright: -
LegalTrademarks: -
OriginalFileName: Stub.exe
ProductName: -
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: -
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: 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
0x0000B054
0x0000B200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.61448
.rsrc
0x0000E000
0x000007FF
0x00000800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.88507
.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
5.22615
1171
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start 333.exe cmd.exe no specs timeout.exe no specs #ASYNCRAT picture2.exe

Process information

PID
CMD
Path
Indicators
Parent process
956"C:\Users\admin\AppData\Local\Temp\333.exe" C:\Users\admin\AppData\Local\Temp\333.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\333.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
1236cmd /c ""C:\Users\admin\AppData\Local\Temp\tmp1379.tmp.bat""C:\Windows\system32\cmd.exe333.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1448"C:\Users\admin\AppData\Roaming\Picture2.exe" C:\Users\admin\AppData\Roaming\Picture2.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\picture2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3856timeout 3 C:\Windows\system32\timeout.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
Total events
65
Read events
39
Write events
26
Delete events
0

Modification events

(PID) Process:(956) 333.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(956) 333.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\system32\p2pcollab.dll,-8042
Value:
Peer to Peer Trust
(PID) Process:(956) 333.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\system32\qagentrt.dll,-10
Value:
System Health Authentication
(PID) Process:(956) 333.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dnsapi.dll,-103
Value:
Domain Name System (DNS) Server Trust
(PID) Process:(956) 333.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\System32\fveui.dll,-843
Value:
BitLocker Drive Encryption
(PID) Process:(956) 333.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:@%SystemRoot%\System32\fveui.dll,-844
Value:
BitLocker Data Recovery Agent
(PID) Process:(956) 333.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Picture2
Value:
"C:\Users\admin\AppData\Roaming\Picture2.exe"
(PID) Process:(1448) Picture2.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
1
Suspicious files
4
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Cab36D0.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Tar36E0.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Cab36F1.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Tar36F2.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Cab378F.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Tar3790.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Cab380E.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Tar380F.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Cab385E.tmp
MD5:
SHA256:
1448Picture2.exeC:\Users\admin\AppData\Local\Temp\Tar385F.tmp
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
1
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1448
Picture2.exe
GET
304
205.185.216.42:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
57.2 Kb
whitelisted
1448
Picture2.exe
GET
200
205.185.216.42:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
57.2 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
205.185.216.42:80
www.download.windowsupdate.com
Highwinds Network Group, Inc.
US
whitelisted
1448
Picture2.exe
13.76.133.157:8808
Microsoft Corporation
SG
malicious

DNS requests

Domain
IP
Reputation
www.download.windowsupdate.com
  • 205.185.216.42
  • 205.185.216.10
whitelisted

Threats

PID
Process
Class
Message
1448
Picture2.exe
A Network Trojan was detected
REMOTE [PTsecurity] AsyncRAT
1448
Picture2.exe
A Network Trojan was detected
ET TROJAN Observed Malicious SSL Cert (AsyncRAT Server)
1448
Picture2.exe
A Network Trojan was detected
REMOTE [PTsecurity] AsyncRAT
1448
Picture2.exe
A Network Trojan was detected
REMOTE [PTsecurity] AsyncRAT Connection
No debug info