asyncrat | 4959354bc88fa421bf98bb93a9f0f2aee6e3830fd816e726b22257e4a983af80

Analysis

max time kernel
152s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 11:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4959354bc88fa421bf98bb93a9f0f2aee6e3830fd816e726b22257e4a983af80_JC.ps1
Size

430KB
MD5

3522c1f7f4328df9bcd67cf7aad28eae
SHA1

4b91582c6fc365877b23dce2b3a7782dd3dd057f
SHA256

4959354bc88fa421bf98bb93a9f0f2aee6e3830fd816e726b22257e4a983af80
SHA512

c3f466a4435b0d89fe72b913e422347a855f8179b95a8fd4dafde8108a6eac7d7c52404076342cc876e82ca83885a0dadbceb4d9fcb9c4a99f7dd30b2c960d18
SSDEEP

3072:w4xxUF6xj08315d3Apo4ypzUeE6Ue+VM8fpBTUv1vZuWQIG7Dl8a:w4xxeQj08315d3Apo0VNRBRWQIM

Score

10^/10

asyncrat joker rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

joker

45.138.16.87:998

lol1112s.sells-it.net:998

l11ol12s.sells-it.net:998

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3792-17-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1248 set thread context of 3792 1248 powershell.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exeRegSvcs.exe

pid process

1248 powershell.exe
1248 powershell.exe
1248 powershell.exe
1248 powershell.exe
1248 powershell.exe
1248 powershell.exe
3792 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1248 powershell.exe
Token: SeDebugPrivilege 3792 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

3792 RegSvcs.exe

description	pid	process	target process
PID 1248 set thread context of 3792	1248	powershell.exe	RegSvcs.exe

pid	process
1248	powershell.exe
1248	powershell.exe
1248	powershell.exe
1248	powershell.exe
1248	powershell.exe
1248	powershell.exe
3792	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1248	powershell.exe
Token: SeDebugPrivilege	3792	RegSvcs.exe

pid	process
3792	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 1248 wrote to memory of 4584	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 4584	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 4584	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 636	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 636	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 636	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe
PID 1248 wrote to memory of 3792	1248	powershell.exe	RegSvcs.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\4959354bc88fa421bf98bb93a9f0f2aee6e3830fd816e726b22257e4a983af80_JC.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4584

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:636

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3792

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2gxjnjvh.5kq.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1248-16-0x0000025DBC6C0000-0x0000025DBC6EC000-memory.dmp

Filesize
176KB

Download
memory/1248-13-0x00007FFA31A50000-0x00007FFA32511000-memory.dmp

Filesize
10.8MB

Download
memory/1248-9-0x0000025DBC450000-0x0000025DBC472000-memory.dmp

Filesize
136KB

Download
memory/1248-12-0x0000025DBB960000-0x0000025DBB970000-memory.dmp

Filesize
64KB

Download
memory/1248-11-0x0000025DBB960000-0x0000025DBB970000-memory.dmp

Filesize
64KB

Download
memory/1248-15-0x0000025DBB960000-0x0000025DBB970000-memory.dmp

Filesize
64KB

Download
memory/1248-14-0x0000025DBB960000-0x0000025DBB970000-memory.dmp

Filesize
64KB

Download
memory/1248-21-0x00007FFA31A50000-0x00007FFA32511000-memory.dmp

Filesize
10.8MB

Download
memory/1248-10-0x00007FFA31A50000-0x00007FFA32511000-memory.dmp

Filesize
10.8MB

Download
memory/3792-18-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3792-17-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3792-22-0x00000000058B0000-0x00000000058C0000-memory.dmp

Filesize
64KB

Download
memory/3792-23-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3792-24-0x00000000060B0000-0x0000000006654000-memory.dmp

Filesize
5.6MB

Download
memory/3792-25-0x0000000005CE0000-0x0000000005D72000-memory.dmp

Filesize
584KB

Download
memory/3792-26-0x0000000005FC0000-0x0000000005FCA000-memory.dmp

Filesize
40KB

Download
memory/3792-27-0x00000000058B0000-0x00000000058C0000-memory.dmp

Filesize
64KB

Download