asyncrat | eeadb25a0452957734ff500887bdd77ddfee0f925c58ed81b68ddc8677406315

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 06:41

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General

Target

5a46f618eb96097cf1ba0cef8d21b4f6.ps1
Size

200KB
MD5

5a46f618eb96097cf1ba0cef8d21b4f6
SHA1

32e8ef3358c42a9b8fec743e6db027e426153343
SHA256

eeadb25a0452957734ff500887bdd77ddfee0f925c58ed81b68ddc8677406315
SHA512

650aebf29c4ad32130ecdf6c7a8df59e90d08acbf346e1f76d55de9c97c798acc3c3d4e5032dcce32eac674d430c1e53372ef65d22a7aa84f8f1ec3618f93305
SSDEEP

3072:0n3FSCub20xXQ3ApL8X/g1o1vZvuAirbd:0n3td3ApMY1muAirbd

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

185.19.85.168:8888

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

resource	yara_rule
behavioral2/memory/3152-15-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 3152	2492	powershell.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2492	powershell.exe
2492	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 3152	2492	powershell.exe	91
PID 2492 wrote to memory of 3152	2492	powershell.exe	91
PID 2492 wrote to memory of 3152	2492	powershell.exe	91
PID 2492 wrote to memory of 3152	2492	powershell.exe	91
PID 2492 wrote to memory of 3152	2492	powershell.exe	91
PID 2492 wrote to memory of 3152	2492	powershell.exe	91
PID 2492 wrote to memory of 3152	2492	powershell.exe	91
PID 2492 wrote to memory of 3152	2492	powershell.exe	91

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\5a46f618eb96097cf1ba0cef8d21b4f6.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:3152

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tmbrvr4r.ty1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2492-14-0x00000152EEB10000-0x00000152EEB26000-memory.dmp

Filesize
88KB

Download
memory/2492-10-0x00007FFA0AA40000-0x00007FFA0B501000-memory.dmp

Filesize
10.8MB

Download
memory/2492-11-0x00000152EEB20000-0x00000152EEB30000-memory.dmp

Filesize
64KB

Download
memory/2492-13-0x00000152EEB20000-0x00000152EEB30000-memory.dmp

Filesize
64KB

Download
memory/2492-12-0x00000152EEB20000-0x00000152EEB30000-memory.dmp

Filesize
64KB

Download
memory/2492-5-0x00000152F0C10000-0x00000152F0C32000-memory.dmp

Filesize
136KB

Download
memory/2492-18-0x00007FFA0AA40000-0x00007FFA0B501000-memory.dmp

Filesize
10.8MB

Download
memory/3152-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3152-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-20-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/3152-21-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3152-22-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download