asyncrat | ae60268e3dae5ed2ecb06c47642bb33cd4f79d0b980476f1a7c931e2a4ba32ca

Analysis

max time kernel
144s
max time network
152s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
15-12-2022 06:12

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General

Target

office.ps1
Size

172KB
MD5

40113b90033a17620cfab836e01c208e
SHA1

8b752278316f5af828ddf23f62d4b6d6c0591e6e
SHA256

ae60268e3dae5ed2ecb06c47642bb33cd4f79d0b980476f1a7c931e2a4ba32ca
SHA512

83d55d3e4c898b35879774a7ec469bfb33598ad0adec08012cedef170fc32515bd2d0378d4ffb658ca5eaa95187b65c46b7645a233990aae4c971e5e2bf95e5e
SSDEEP

1536:DYrP7b2WPgkSqZkjEHcFJXiKTClpXcclUXdCXxEbr7IlWMQvVhB8LCZsHXGwrAfO:D30

Score

10^/10

asyncrat 99 rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

d1x3x.linkpc.net:6666

d1x3x.dyndns.org:6666

d1x3x.selfip.biz:6666

Mutex

AsyncMutex_Devil

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/4332-151-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral1/memory/4332-152-0x0000000000410BCE-mapping.dmp	asyncrat
behavioral1/memory/4332-254-0x0000000007E70000-0x0000000007E94000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2692 set thread context of 4332 2692 powershell.exe aspnet_compiler.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

aspnet_compiler.exe

pid process

4332 aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeaspnet_compiler.exe

pid process

2692 powershell.exe
2692 powershell.exe
2692 powershell.exe
4332 aspnet_compiler.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeaspnet_compiler.exe

description pid process

Token: SeDebugPrivilege 2692 powershell.exe
Token: SeDebugPrivilege 4332 aspnet_compiler.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

aspnet_compiler.exe

pid process

4332 aspnet_compiler.exe

description	pid	process	target process
PID 2692 set thread context of 4332	2692	powershell.exe	aspnet_compiler.exe

pid	process
4332	aspnet_compiler.exe

pid	process
2692	powershell.exe
2692	powershell.exe
2692	powershell.exe
4332	aspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	2692	powershell.exe
Token: SeDebugPrivilege	4332	aspnet_compiler.exe

pid	process
4332	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe
PID 2692 wrote to memory of 4332	2692	powershell.exe	aspnet_compiler.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\office.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4332

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2692-125-0x000001F17B450000-0x000001F17B472000-memory.dmp

Filesize
136KB

Download
memory/2692-130-0x000001F17B700000-0x000001F17B776000-memory.dmp

Filesize
472KB

Download
memory/2692-150-0x000001F17B6A0000-0x000001F17B6AE000-memory.dmp

Filesize
56KB

Download
memory/4332-151-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4332-152-0x0000000000410BCE-mapping.dmp

Download
memory/4332-154-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-155-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-156-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-157-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-158-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-159-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-160-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-162-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-161-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-164-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-163-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-165-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-166-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-167-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-168-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-170-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-171-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-172-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-169-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-173-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-174-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-175-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-176-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-177-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-178-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-179-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-180-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-181-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-182-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-183-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-184-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-185-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-186-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-187-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-188-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-189-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-190-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-191-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-192-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-193-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-194-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-195-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-196-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-197-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-198-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-199-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-200-0x0000000005CF0000-0x00000000061EE000-memory.dmp

Filesize
5.0MB

Download
memory/4332-201-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-202-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/4332-203-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-204-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-205-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-206-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-208-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-207-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-209-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-210-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-211-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-212-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-213-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-214-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-215-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/4332-216-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-217-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-218-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-219-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/4332-241-0x0000000007550000-0x00000000075EC000-memory.dmp

Filesize
624KB

Download
memory/4332-242-0x00000000075F0000-0x0000000007656000-memory.dmp

Filesize
408KB

Download
memory/4332-251-0x0000000007EE0000-0x0000000007F56000-memory.dmp

Filesize
472KB

Download
memory/4332-254-0x0000000007E70000-0x0000000007E94000-memory.dmp

Filesize
144KB

Download
memory/4332-255-0x0000000007F60000-0x0000000007F7E000-memory.dmp

Filesize
120KB

Download