File name:

Client.exe

Full analysis: https://app.any.run/tasks/2fd7897e-15c7-45df-acf6-371cdac3526f
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 05, 2022, 17:13:51
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

F294528379BC3758DDCBCF4995C8684E

SHA1:

86489C3AEEBA0C4A0F646107892FC02579ABDF40

SHA256:

924E8702BE619DEE8A08BEC380845C6C69E8652767023F1C083EB60C1699CCD9

SSDEEP:

768:j0K0ILGCqb+DictelDSN+iV08Ybyge7s6eQgCLbntvEgK/JXZVc6KN:j0pTctKDs4zb12sbfCLbntnkJXZVclN

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

      • Client.exe (PID: 856)
    • Drops the executable file immediately after the start

      • Client.exe (PID: 856)
    • ASYNCRAT detected by memory dumps

      • Google Update Scheduler.exe (PID: 3212)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Client.exe (PID: 856)
  • INFO

    • Reads the computer name

      • Client.exe (PID: 856)
      • Google Update Scheduler.exe (PID: 3212)
    • Checks supported languages

      • Client.exe (PID: 856)
      • Google Update Scheduler.exe (PID: 3212)
    • Reads Environment values

      • Google Update Scheduler.exe (PID: 3212)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(3212) Google Update Scheduler.exe
Install_Folder%AppData%
SaltDcRatByqwqdanchun
Aes_Keyb8e1fb10e8224683a0cd186a7d24b21215e486ed56cb19b205ae7ffd927e3526
Botnetdefault
bdosfalse
PasteBinnull
AntiVMfalse
Server_SignatureUWPTE+tbeCwwdSA3FApICRg3U6ETEHT2TlqyZQDL9zk7Rqiy5aPbZB3m2/7R64OZn3RnCf2RwKziEB07fOezviNyyNOvgMBqy+rgbsApyaQ/7uvzz5xgckJHRKnGAPCjxJi9eUwNhUVji4xrWQ32wkrtaobz/B59Z4wcXw+DLQE=
CertificateMIICMDCCAZmgAwIBAgIVAIg2V6udooBgBigI8fy/5ell1KiHMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIyMDEwNzE4MjA1OVoXDTMyMTAxNjE4MjA1OVowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A...
MutexDcRatMutex_showoi
Autoruntrue
Version1.0.7
Ports (1)38903
C2 (2)127.0.0.1
147.185.221.211
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)

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 2021-May-05 21:11:39
Comments:
CompanyName:
FileDescription:
FileVersion: 1.0.7.0
InternalName: Client.exe
LegalCopyright:
LegalTrademarks:
OriginalFilename: Client.exe
ProductName:
ProductVersion: 1.0.7.0
Assembly Version: 1.0.7.0

DOS Header

e_magic: MZ
e_cblp: 144
e_cp: 3
e_crlc: 0
e_cparhdr: 4
e_minalloc: 0
e_maxalloc: 65535
e_ss: 0
e_sp: 184
e_csum: 0
e_ip: 0
e_cs: 0
e_ovno: 0
e_oemid: 0
e_oeminfo: 0
e_lfanew: 128

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
NumberofSections: 3
TimeDateStamp: 2021-May-05 21:11:39
PointerToSymbolTable: 0
NumberOfSymbols: 0
SizeOfOptionalHeader: 224
Characteristics:
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
8192
44020
44032
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.64716
.rsrc
57344
3575
3584
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.11061
.reloc
65536
12
512
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.17881
724
UNKNOWN
UNKNOWN
RT_VERSION
1 (#2)
5.13313
2691
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
37
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start client.exe cmd.exe no specs timeout.exe no specs #ASYNCRAT google update scheduler.exe

Process information

PID
CMD
Path
Indicators
Parent process
856"C:\Users\admin\AppData\Local\Temp\Client.exe" C:\Users\admin\AppData\Local\Temp\Client.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.7.0
Modules
Images
c:\users\admin\appdata\local\temp\client.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
904C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpFD70.tmp.bat""C:\Windows\system32\cmd.exeClient.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:\windows\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
2788timeout 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:\windows\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
3212"C:\Users\admin\AppData\Roaming\Google Update Scheduler.exe" C:\Users\admin\AppData\Roaming\Google Update Scheduler.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.7.0
Modules
Images
c:\users\admin\appdata\roaming\google update scheduler.exe
c:\windows\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\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
c:\windows\system32\rpcrt4.dll
AsyncRat
(PID) Process(3212) Google Update Scheduler.exe
Install_Folder%AppData%
SaltDcRatByqwqdanchun
Aes_Keyb8e1fb10e8224683a0cd186a7d24b21215e486ed56cb19b205ae7ffd927e3526
Botnetdefault
bdosfalse
PasteBinnull
AntiVMfalse
Server_SignatureUWPTE+tbeCwwdSA3FApICRg3U6ETEHT2TlqyZQDL9zk7Rqiy5aPbZB3m2/7R64OZn3RnCf2RwKziEB07fOezviNyyNOvgMBqy+rgbsApyaQ/7uvzz5xgckJHRKnGAPCjxJi9eUwNhUVji4xrWQ32wkrtaobz/B59Z4wcXw+DLQE=
CertificateMIICMDCCAZmgAwIBAgIVAIg2V6udooBgBigI8fy/5ell1KiHMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIyMDEwNzE4MjA1OVoXDTMyMTAxNjE4MjA1OVowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A...
MutexDcRatMutex_showoi
Autoruntrue
Version1.0.7
Ports (1)38903
C2 (2)127.0.0.1
147.185.221.211
Total events
643
Read events
614
Write events
29
Delete events
0

Modification events

(PID) Process:(856) Client.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(856) Client.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Google Update Scheduler
Value:
"C:\Users\admin\AppData\Roaming\Google Update Scheduler.exe"
(PID) Process:(3212) Google Update Scheduler.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
856Client.exeC:\Users\admin\AppData\Local\Temp\tmpFD70.tmp.battext
MD5:1D48DA878C3CDB06F68A42758FA1D9D9
SHA256:7D1525BE9A81EF73894E597AA0D35C049695B28D1531CE09AC197D739D62A6D4
856Client.exeC:\Users\admin\AppData\Roaming\Google Update Scheduler.exeexecutable
MD5:F294528379BC3758DDCBCF4995C8684E
SHA256:924E8702BE619DEE8A08BEC380845C6C69E8652767023F1C083EB60C1699CCD9
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
0
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
3212
Google Update Scheduler.exe
147.185.221.211:38903
PLAYIT-GG
US
malicious

DNS requests

No data

Threats

No threats detected
No debug info