asyncrat | 3acd1cfbbd6cf92d6a13cb8611d215add0311357024d9165b6b930d53841699c

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
26/08/2026, 15:17

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General

Target
3acd1cfbbd6cf92d6a13cb8611d215add0311357024d9165b6b930d53841699c.ps1
Size 2KB
Sample260826-sn7f2sfl2v
SHA256 3acd1cfbbd6cf92d6a13cb8611d215add0311357024d9165b6b930d53841699c
MD5 50abeeed0c59324d215121470442b45c
SHA1 d3031deff80c4f8552bd8c9f51ea2a5e07f2d652
SHA512 defd6e7b9211153a58544c83eca42778a788ccfb0e80ce371ba3275b5d438bb26c17b7e9de367dae33b9258693d9e1a731930e1c3aa7dbda110d002e3912d792
TLSH
T13E41E8934A9AF1DF8EE1872F7001B410FAA529458A5E7130E36DC18620AE94D3C1C9EB
MD5 SHA1 SHA512 TLSH

Score

10^/10

extasis discovery execution asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

EXTASIS

ac2c342525.ddnsguru.com:6668

Mutex

AWVAVWA53536563ASacvvwwvavaw

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
6	2900	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 720	2900	powershell.exe	87

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2900	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	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2900	powershell.exe
2900	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	powershell.exe
Token: SeDebugPrivilege	720	MSBuild.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 720	2900	powershell.exe	87
PID 2900 wrote to memory of 720	2900	powershell.exe	87
PID 2900 wrote to memory of 720	2900	powershell.exe	87
PID 2900 wrote to memory of 720	2900	powershell.exe	87
PID 2900 wrote to memory of 720	2900	powershell.exe	87

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\3acd1cfbbd6cf92d6a13cb8611d215add0311357024d9165b6b930d53841699c.ps1
1⤵
- Badlisted process makes network request
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:720

Network

MITRE ATT&CK Enterprise v16

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

__PSScriptPolicyTest_d4gfvv5m.yoc.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d4gfvv5m.yoc.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/720-17-0x0000000005390000-0x00000000053A0000-memory.dmp

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memory/720-14-0x0000000000400000-0x0000000000412000-memory.dmp

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memory/720-20-0x0000000005D80000-0x0000000005E1C000-memory.dmp

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memory/720-21-0x00000000063D0000-0x0000000006974000-memory.dmp

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memory/720-22-0x0000000005E90000-0x0000000005EF6000-memory.dmp

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memory/720-23-0x0000000005390000-0x00000000053A0000-memory.dmp

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memory/2900-2-0x00000249D8E50000-0x00000249D8E72000-memory.dmp

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memory/2900-0-0x00000249D8EC0000-0x00000249D8ED0000-memory.dmp

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memory/2900-10-0x00000249D8EC0000-0x00000249D8ED0000-memory.dmp

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memory/2900-11-0x00000249DB3F0000-0x00000249DB4C2000-memory.dmp

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memory/2900-12-0x00000249DB840000-0x00000249DB852000-memory.dmp

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memory/2900-13-0x00000249D8EB0000-0x00000249D8EBA000-memory.dmp

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memory/2900-1-0x00000249D8EC0000-0x00000249D8ED0000-memory.dmp

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