asyncrat | 0d7514389c3b6575c145ae81504baf30e1697953398d67e1b9cdd93c988f86f3

Analysis

max time kernel
93s
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
28/01/2025, 13:16

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General

Target

0d7514389c3b6575c145ae81504baf30e1697953398d67e1b9cdd93c988f86f3.ps1
Size

453KB
MD5

79fb1495a4971c693fe5b76f67eb8ee6
SHA1

449f323d5e86b28bc2ab67cad5c1b0694bbfa49f
SHA256

0d7514389c3b6575c145ae81504baf30e1697953398d67e1b9cdd93c988f86f3
SHA512

bbaa07457a5d120b08b1bafd9562d32d4b54f379174266843ef8fa8262bd9f2bb4eca91e003892bd73f76ee0398e174afd8ae8600708130b22caf0f622f5c1f9
SSDEEP

1536:zgqdW/z20+u4dXNR8WrlDnyDT2ybMVwO8zNdEunygsmj+oN8NGHbEh4WMx+m6y30:zWE+NPVFL2bUCUrNlKomLJVlCsspHG

Score

10^/10

asyncrat 00000001 discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

00000001

81.10.39.58:7077

Mutex

AsyncMutex_alosh

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
Asyncrat family
asyncrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4484 set thread context of 3848	4484	powershell.exe	83

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4484	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	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4484	powershell.exe
4484	powershell.exe
3848	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeDebugPrivilege	3848	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3848	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 3848	4484	powershell.exe	83
PID 4484 wrote to memory of 3848	4484	powershell.exe	83
PID 4484 wrote to memory of 3848	4484	powershell.exe	83
PID 4484 wrote to memory of 3848	4484	powershell.exe	83
PID 4484 wrote to memory of 3848	4484	powershell.exe	83
PID 4484 wrote to memory of 3848	4484	powershell.exe	83
PID 4484 wrote to memory of 3848	4484	powershell.exe	83
PID 4484 wrote to memory of 3848	4484	powershell.exe	83

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\0d7514389c3b6575c145ae81504baf30e1697953398d67e1b9cdd93c988f86f3.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3848

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_zrfzacwz.iap.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3848-22-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/3848-21-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/3848-28-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3848-27-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/3848-26-0x0000000006450000-0x00000000064B6000-memory.dmp

Filesize
408KB

Download
memory/3848-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3848-25-0x0000000006920000-0x00000000069BC000-memory.dmp

Filesize
624KB

Download
memory/3848-20-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/3848-19-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3848-18-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/4484-17-0x00007FF8221A0000-0x00007FF822C61000-memory.dmp

Filesize
10.8MB

Download
memory/4484-0-0x00007FF8221A3000-0x00007FF8221A5000-memory.dmp

Filesize
8KB

Download
memory/4484-1-0x000001ADD7770000-0x000001ADD7792000-memory.dmp

Filesize
136KB

Download
memory/4484-13-0x000001ADD78E0000-0x000001ADD78EC000-memory.dmp

Filesize
48KB

Download
memory/4484-12-0x00007FF8221A0000-0x00007FF822C61000-memory.dmp

Filesize
10.8MB

Download
memory/4484-11-0x00007FF8221A0000-0x00007FF822C61000-memory.dmp

Filesize
10.8MB

Download