remcos | 231996240158d8995f950e22d9b3f56cfd238a6480878c0b3c76b969f37a32e7

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
04/08/2026, 09:11

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General

Target
Purchase Order PO K 0157.js
Size 164KB
Sample260804-k5sp8a11ds
SHA256 231996240158d8995f950e22d9b3f56cfd238a6480878c0b3c76b969f37a32e7
MD5 89f050fde0bf85e68b26bdc039b0b198
SHA1 c8fef06d31eee499e5e2593c8f110d33dfb405bf
SHA512 69dcd980b32dcb780ea93a57ff44e7b36c32da1a98accfcf5ea43e661e095521a23670d49b47340b8bdef580ee3f856d0b464d343671eb6b45a7f46f2c5bfbed
SSDEEP 3072:HdzXnI0LQLfORx24K7ZCXGy4H0vUQG9EhGTvD+1YAVJO3sYNCP:9z3I8QwwNC2Lh94cvC1UsYNCP
TLSH
T18DF3CF1603646EE513D00AA5851E3542C9E6452B0C3C74DE3ED2D5E3EF2E1ABC5BAF93
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost execution remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

7.2.6 Pro

Botnet

RemoteHost

23.95.103.253:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-5LMRVT
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
4	2416	powershell.exe
5	2416	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	wscript.exe

Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs

persistence

Logon Script (Windows)

T1037.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Environment\UserInitMprLogonScript = "\"C:\\Windows\\system32\\wscript.exe\" \"C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\v1038\\v6206.js\""	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
524	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2416	powershell.exe
2416	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2632	2336	wscript.exe	86
PID 2632 wrote to memory of 4492	2632	conhost.exe	87
PID 4492 wrote to memory of 524	4492	conhost.exe	88
PID 524 wrote to memory of 1660	524	cmd.exe	89
PID 524 wrote to memory of 2416	524	cmd.exe	90

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Purchase Order PO K 0157.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" --headless conhost.exe --headless cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('YFqthMUvMIiFSJ3','Process'))| powershell.exe -W H -noP -noni -"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\System32\conhost.exe
    conhost.exe --headless cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('YFqthMUvMIiFSJ3','Process'))| powershell.exe -W H -noP -noni -"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4492
  - - C:\Windows\System32\cmd.exe
      cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('YFqthMUvMIiFSJ3','Process'))| powershell.exe -W H -noP -noni -"
      4⤵
      Executes a command shell one-liner
      Suspicious use of WriteProcessMemory
      PID:524
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('YFqthMUvMIiFSJ3','Process'))"
        5⤵
        
        PID:1660
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -W H -noP -noni -
        5⤵
        Badlisted process makes network request
        Registers new Windows logon scripts automatically executed at logon.
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2416

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Windows Command Shell

T1059.003

Persistence

Boot or Logon Initialization Scripts

T1037

Logon Script (Windows)

T1037.001

Privilege Escalation

Boot or Logon Initialization Scripts

T1037

Logon Script (Windows)

T1037.001

Defense Evasion

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

__PSScriptPolicyTest_d1wac50h.oci.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d1wac50h.oci.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2416-16-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-17-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-9-0x0000028B9D590000-0x0000028B9D5A2000-memory.dmp

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memory/2416-12-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-13-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-14-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-15-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-0-0x0000028B9D5B0000-0x0000028B9D5D2000-memory.dmp

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memory/2416-8-0x0000028B9D680000-0x0000028B9D6D0000-memory.dmp

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memory/2416-19-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-18-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-20-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-21-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-22-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-23-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-25-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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memory/2416-26-0x0000028B9DC80000-0x0000028B9DD2B000-memory.dmp

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