e25aadf33d28b4ca41c1df2dcded13d35894919256b7fabf3209ae8168803da5

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/06/2026, 06:02

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General

Target
付款確認單.bat
Size 1.1MB
Sample260629-grnbssf16j
SHA256 e25aadf33d28b4ca41c1df2dcded13d35894919256b7fabf3209ae8168803da5
MD5 81fdd8b5a1a1c960fdb5f2498e47a22a
SHA1 f29248d6cb84c6d215786eb7d6f8c3b94c26ae8c
SHA512 22d3c9b6d72af909045e561973491d6e5e9e451a8886eb052b19471faaa151d422949ba16e86760b00afed909968a16add0216f6f9ab4af9b4bcd359d26b58ce
SSDEEP 12288:E56KZyy5NHZyioQh7AaTsQyJw6BcaobbbfqwzW3E:yXyinHY9cDbX19
TLSH
T16335BEDDC16D05D68C053FC9BC281AC75B6987B24A7400193BBBBE485F7B4BEC20ADA5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3544	powershell.exe
3184	powershell.exe
6008	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3544	powershell.exe
3544	powershell.exe
6008	powershell.exe
6008	powershell.exe
3184	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3544	powershell.exe
Token: SeDebugPrivilege	6008	powershell.exe
Token: SeDebugPrivilege	3184	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 3544	2760	cmd.exe	90
PID 3544 wrote to memory of 3824	3544	powershell.exe	91
PID 3824 wrote to memory of 920	3824	cmd.exe	93
PID 920 wrote to memory of 4868	920	cmd.exe	94
PID 3824 wrote to memory of 1936	3824	cmd.exe	95
PID 1936 wrote to memory of 4964	1936	cmd.exe	96
PID 3824 wrote to memory of 3968	3824	cmd.exe	97
PID 3968 wrote to memory of 2564	3968	cmd.exe	98
PID 3824 wrote to memory of 6008	3824	cmd.exe	99
PID 3824 wrote to memory of 3184	3824	cmd.exe	100

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\付款確認單.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -WindowStyle Hidden -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command "$q=[char]34;$a='/c '+$q+$q+$env:UEOOT9MC+$q+$q+' 3a255e53d3';$i=New-Object System.Diagnostics.ProcessStartInfo('C:\Windows\System32\cmd.exe',$a);$i.WindowStyle=[System.Diagnostics.ProcessWindowStyle]::Hidden;[System.Diagnostics.Process]::Start($i)|Out-Null"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ""C:\Users\Admin\AppData\Local\Temp\付款確認單.bat"" 3a255e53d3
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3824
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c find /c /v "" < "C:\Users\Admin\AppData\Local\Temp\付款確認單.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:920
    - - C:\Windows\system32\find.exe
        
        find /c /v ""
        5⤵
        
        PID:4868
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c findstr /n /C:"---BEGIN_PS---" "C:\Users\Admin\AppData\Local\Temp\付款確認單.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1936
    - - C:\Windows\system32\findstr.exe
        
        findstr /n /C:"---BEGIN_PS---" "C:\Users\Admin\AppData\Local\Temp\付款確認單.bat"
        5⤵
        
        PID:4964
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c findstr /n /C:"---BEGIN_ENC---" "C:\Users\Admin\AppData\Local\Temp\付款確認單.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3968
    - - C:\Windows\system32\findstr.exe
        
        findstr /n /C:"---BEGIN_ENC---" "C:\Users\Admin\AppData\Local\Temp\付款確認單.bat"
        5⤵
        
        PID:2564
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -ExecutionPolicy Bypass -Command "Get-Content 'C:\Users\Admin\AppData\Local\Temp\付款確認單.bat' -Tail 15473 | Select-Object -First -1 | Set-Content 'C:\Users\Admin\AppData\Local\Temp\svc_2753613530_32139.ps1' -Encoding UTF8"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:6008
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\svc_2753613530_32139.ps1"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3184

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 babf4bdb5efb566561547504b88d16f5da265610302d2771144da0b82c8c851d
MD5 61caa6336a77282831e9db0bc6f0af0f
SHA1 666e2470f4fecb03f5ccc86ceb81faacccaf7219
SHA512 26e07cff5d8e30eaa1e46aad4eb8a163435b25937087f3a55950571dc8f58e35e6e8b273f1e860d54bbc76a44a5eb1a6d77c5844546734099aeb6af07f2bb04f
TLSH
T1A8215733F3CC8624DC9A403650CEAC1136B687DB409EDE6BBB84D545B42F689DE61160
MD5 SHA1 SHA512 TLSH

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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_cvjf1vct.2wu.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cvjf1vct.2wu.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3544-0-0x00007FF835F0F000-0x00007FF835F10000-memory.dmp

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memory/3544-3-0x000001EBE83C0000-0x000001EBE83E2000-memory.dmp

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memory/3544-4-0x00007FF835D80000-0x00007FF836724000-memory.dmp

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memory/3544-5-0x00007FF835D80000-0x00007FF836724000-memory.dmp

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memory/3544-6-0x00007FF835D80000-0x00007FF836724000-memory.dmp

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memory/3544-7-0x00007FF835D80000-0x00007FF836724000-memory.dmp

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memory/3544-9-0x00007FF835D80000-0x00007FF836724000-memory.dmp

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