asyncrat | 6f35ab9d6aed8b8df1754149da79be5cdadae7b5366e8f2be46d9370f7e920c0

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 19:04

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General

Target

Server_lol123.ps1
Size

762KB
MD5

10305a80924712940646cca278cee796
SHA1

6db80d4b3828f14ae105df2ba8ab3eccf2ab682f
SHA256

2ec32c9efdb4ba49efc12bfda4ebc8dde498c618e3746f71ba72da884f8573c0
SHA512

7efc040a317bcd3b5f3692f5930ecfea7cd4c52dd65727ed0c24907d3c01a142fb0f9b805cd21743ab635d1c00e8c4f3da0d2d8384dce308c7c296f2a1369c09
SSDEEP

6144:ZWG30D0btNi7GUMC0a4dqWzYnx6fLRNmgvlFw9GMC68jDnyZT1JUOCN3N4mGNY/N:LZtnNqONsZtnNqOg

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

216.230.75.62:1107

Mutex

AsyncMutex_6SI8OkPnk

Attributes

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

aes.plain

Signatures

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 1376 set thread context of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 set thread context of 3692	1376	powershell.exe	aspnet_compiler.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

aspnet_compiler.exe

pid process

3692 aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1376 powershell.exe
1376 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1376 powershell.exe

pid	process
3692	aspnet_compiler.exe

pid	process
1376	powershell.exe
1376	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1376	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 2428	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 3692	1376	powershell.exe	aspnet_compiler.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Server_lol123.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:2428

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Suspicious behavior: AddClipboardFormatListener
PID:3692

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u1gxuu4c.2f1.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1376-77-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-119-0x000001AD8C030000-0x000001AD8C040000-memory.dmp

Filesize
64KB

Download
memory/1376-1-0x000001AD8C030000-0x000001AD8C040000-memory.dmp

Filesize
64KB

Download
memory/1376-12-0x000001AD8C030000-0x000001AD8C040000-memory.dmp

Filesize
64KB

Download
memory/1376-13-0x000001ADA4980000-0x000001ADA49B0000-memory.dmp

Filesize
192KB

Download
memory/1376-15-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-14-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-17-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-23-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-21-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-19-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-27-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-25-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-29-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-31-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-33-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-49-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-47-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-63-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-65-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-61-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-69-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-59-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-73-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-71-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-75-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-67-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-0-0x00007FFB0A410000-0x00007FFB0AED1000-memory.dmp

Filesize
10.8MB

Download
memory/1376-2-0x000001ADA47F0000-0x000001ADA4812000-memory.dmp

Filesize
136KB

Download
memory/1376-55-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-53-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-51-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-45-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-43-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-41-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-39-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-118-0x000001ADA4600000-0x000001ADA4601000-memory.dmp

Filesize
4KB

Download
memory/1376-57-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-37-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-35-0x000001ADA4980000-0x000001ADA49AA000-memory.dmp

Filesize
168KB

Download
memory/1376-228-0x000001ADA49E0000-0x000001ADA49E1000-memory.dmp

Filesize
4KB

Download
memory/1376-233-0x00007FFB0A410000-0x00007FFB0AED1000-memory.dmp

Filesize
10.8MB

Download
memory/2428-121-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2428-122-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2428-123-0x00000000056F0000-0x0000000005700000-memory.dmp

Filesize
64KB

Download
memory/2428-239-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2428-240-0x00000000056F0000-0x0000000005700000-memory.dmp

Filesize
64KB

Download
memory/3692-234-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/3692-232-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3692-236-0x0000000005830000-0x0000000005DD4000-memory.dmp

Filesize
5.6MB

Download
memory/3692-237-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/3692-235-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/3692-238-0x0000000005550000-0x000000000555A000-memory.dmp

Filesize
40KB

Download
memory/3692-241-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/3692-242-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download