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File name:

AsyncClien1t.exe

Full analysis: https://app.any.run/tasks/a3da7d38-ef6b-4a6b-b7d4-d80ab75794a3
Verdict: Malicious activity
Analysis date: January 24, 2022, 17:00:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

F6D3B24545E3A8A09A253897FA4D919F

SHA1:

4A2FBB64E4DA43DB24C3661C6A2EBA47CFAF0408

SHA256:

70BE4295C16C442A715A6190DE8A40CC2F4E1AB92DDFA21AAAEF17C5F4872CCC

SSDEEP:

768:XuK59TH4EjZWUR+ejmo2qrRLeqn6j4TPIczjbQgX3USOThqzPZbAVhz9gBDZPx:XuK59THf526O48c3bXXkSOTkZbAXQdPx

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

      • AsyncClien1t.exe (PID: 2972)
  • SUSPICIOUS

    • Reads the computer name

      • AsyncClien1t.exe (PID: 2972)
      • svchost.exe (PID: 3928)
    • Checks supported languages

      • AsyncClien1t.exe (PID: 2972)
      • cmd.exe (PID: 3480)
      • svchost.exe (PID: 3928)
    • Creates files in the user directory

      • AsyncClien1t.exe (PID: 2972)
    • Starts CMD.EXE for commands execution

      • AsyncClien1t.exe (PID: 2972)
    • Creates executable files which already exist in Windows

      • AsyncClien1t.exe (PID: 2972)
    • Executable content was dropped or overwritten

      • AsyncClien1t.exe (PID: 2972)
    • Reads Environment values

      • svchost.exe (PID: 3928)
  • INFO

    • Checks supported languages

      • timeout.exe (PID: 120)
    • Reads settings of System Certificates

      • svchost.exe (PID: 3928)
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

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: 0xc75e
UninitializedDataSize: -
InitializedDataSize: 2560
CodeSize: 43008
LinkerVersion: 8
PEType: PE32
TimeStamp: 2020:05:10 07:24:51+02:00
MachineType: Intel 386 or later, and compatibles

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
0x0000A764
0x0000A800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.51033
.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.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
4
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start asyncclien1t.exe cmd.exe no specs timeout.exe no specs svchost.exe

Process information

PID
CMD
Path
Indicators
Parent process
2972"C:\Users\admin\AppData\Local\Temp\AsyncClien1t.exe" C:\Users\admin\AppData\Local\Temp\AsyncClien1t.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
3480C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp44FE.tmp.bat""C:\Windows\system32\cmd.exeAsyncClien1t.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)
120timeout 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)
3928"C:\Users\admin\AppData\Roaming\svchost.exe" C:\Users\admin\AppData\Roaming\svchost.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
Total events
3 401
Read events
3 360
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
2972AsyncClien1t.exeC:\Users\admin\AppData\Local\Temp\tmp44FE.tmp.battext
MD5:5CFD7AB4BC66858F664BFA2C0452FBCC
SHA256:0E91F32EB892269A032D93DCA8B1ED841B3FDF73C7E3B06595CA9CCFE22BB75C
2972AsyncClien1t.exeC:\Users\admin\AppData\Roaming\svchost.exeexecutable
MD5:F6D3B24545E3A8A09A253897FA4D919F
SHA256:70BE4295C16C442A715A6190DE8A40CC2F4E1AB92DDFA21AAAEF17C5F4872CCC
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
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
3928
svchost.exe
104.23.98.190:443
pastebin.com
Cloudflare Inc
US
malicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.23.98.190
  • 104.23.99.190
shared

Threats

No threats detected
No debug info