asyncrat | e6e1a08dd16e11fc0a57a63d0abb78afc9b131f8300f648fc9461fae383b0874

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 05:30

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General

Target

aaf4a4acaa8e45b1cbd8a3da7c988ba6465a3a2a714abaacb632230e91556d28.ps1
Size

187KB
MD5

a345138c96b8d5b50e401192b819d49d
SHA1

bdcc4ef88b1d5377409ad2f45fcb4e04d8fba5c3
SHA256

aaf4a4acaa8e45b1cbd8a3da7c988ba6465a3a2a714abaacb632230e91556d28
SHA512

942d48b221dbe2a67b9edc5992aef3a54438befe715ded5996437b17ed2ccad1c647b74273792567819c3cca8f95940595cbd8e25d9c6a43c391452770c77bed
SSDEEP

3072:ngijttzaOYYzmqIzDNSuoT3ApmNwLqU/QIU:nT/zaOYYz4zDNo3Apm6qU/QIU

Score

10^/10

asyncrat discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

chromedata.accesscam.org:7707

chromedata.accesscam.org:4404

chromedata.accesscam.org:5505

chromedata.accesscam.org:3303

chromedata.accesscam.org:2222

chromedata.accesscam.org:6606

chromedata.accesscam.org:8808

chromedata.accesscam.org:5155

chromedata.accesscam.org:5122

chromedata.accesscam.org:8001

chromedata.accesscam.org:9000

chromedata.accesscam.org:9999

chromedata.accesscam.org:8888

cdt.3utilities.com:7707

cdt.3utilities.com:4404

cdt.3utilities.com:5505

cdt.3utilities.com:3303

cdt.3utilities.com:2222

cdt.3utilities.com:6606

cdt.3utilities.com:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes

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

aes.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 372 set thread context of 4952	372	powershell.exe	84

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
372	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
372	powershell.exe
372	powershell.exe
372	powershell.exe
372	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	372	powershell.exe
Token: SeDebugPrivilege	4952	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 4308	372	powershell.exe	83
PID 372 wrote to memory of 4308	372	powershell.exe	83
PID 372 wrote to memory of 4308	372	powershell.exe	83
PID 372 wrote to memory of 4952	372	powershell.exe	84
PID 372 wrote to memory of 4952	372	powershell.exe	84
PID 372 wrote to memory of 4952	372	powershell.exe	84
PID 372 wrote to memory of 4952	372	powershell.exe	84
PID 372 wrote to memory of 4952	372	powershell.exe	84
PID 372 wrote to memory of 4952	372	powershell.exe	84
PID 372 wrote to memory of 4952	372	powershell.exe	84
PID 372 wrote to memory of 4952	372	powershell.exe	84

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\aaf4a4acaa8e45b1cbd8a3da7c988ba6465a3a2a714abaacb632230e91556d28.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4308
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q5n1ytad.1jf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/372-0-0x00007FFCFD083000-0x00007FFCFD085000-memory.dmp

Filesize
8KB

Download
memory/372-10-0x000001F84F7A0000-0x000001F84F7C2000-memory.dmp

Filesize
136KB

Download
memory/372-11-0x00007FFCFD080000-0x00007FFCFDB41000-memory.dmp

Filesize
10.8MB

Download
memory/372-12-0x00007FFCFD080000-0x00007FFCFDB41000-memory.dmp

Filesize
10.8MB

Download
memory/372-13-0x000001F84F770000-0x000001F84F782000-memory.dmp

Filesize
72KB

Download
memory/372-17-0x00007FFCFD080000-0x00007FFCFDB41000-memory.dmp

Filesize
10.8MB

Download
memory/4952-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4952-18-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4952-19-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4952-20-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/4952-21-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download