remcos | 9c82834aaf2a77ebeddf1e9a34196da05726808718148e8cd53d6df02464444e

Analysis

max time kernel
152s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/08/2026, 01:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Permafrost-win-x64.exe
Size 190.1MB
Sample260811-bn23wssfle
SHA256 9c82834aaf2a77ebeddf1e9a34196da05726808718148e8cd53d6df02464444e
MD5 d0163fd5023ad6ca1dfb85a22d448406
SHA1 cac678ba0ac8d60eec47cf5f34d1bd0a42b5646e
SHA512 ce72388e4dbd76cc1bca136ff3045b005d71bce9ad59d3856fe45605fcfffe1f2f53146d6bc883b53a4cf71090f9d4ab479580687dd70cd562c1aaaaf49627c5
SSDEEP 6144:EtjeQjojjJK5pGtYAEfzgsb0/0MJgllReuN8e2iJdYRCotj:yc3UpGtGs10MJaR5xP
TLSH
T16898BF19F76814F9D667C57CC9524906EB72BC124761EBCF13A04AA62F236E09E3FB01
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

24024 discovery execution remcos persistence rat suricata

Malware Config

Extracted

Family

remcos

Version

7.2.6 Pro

Botnet

24024

196.251.107.252:24024

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
certmng.exe
copy_folder
Config
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
TRY244-A84K28
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

Suricata alert: REMCOS RAT Malware Inbound C2 Communication 6 IoCs

Network activity triggered a Suricata alert

suricata remcos

flow	pid	Process
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe

Suricata alert: REMCOS RAT Malware Outbound C2 Communication 7 IoCs

Network activity triggered a Suricata alert

suricata remcos

flow	pid	Process
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe
9	1724	certmng.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2976	powershell.exe
2976	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
7	2716	Permafrost-win-x64.exe

Executes dropped EXE 4 IoCs

pid	Process
5888	Service.exe
1952	Service.exe
1724	certmng.exe
5468	certmng.exe

Adds Run key to start application 2 TTPs 7 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TRY244-A84K28 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\certmng.exe\""	Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\TRY244-A84K28 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\certmng.exe\""	Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TRY244-A84K28 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\certmng.exe\""	Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\TRY244-A84K28 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\certmng.exe\""	certmng.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TRY244-A84K28 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\certmng.exe\""	certmng.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemDienst_6625 = "C:\\Users\\Admin\\AppData\\Local\\shmr\\downloads\\Service.exe"	Permafrost-win-x64.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\TRY244-A84K28 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\certmng.exe\""	Service.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	certmng.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2976	powershell.exe
2976	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeIncreaseQuotaPrivilege	2976	powershell.exe
Token: SeSecurityPrivilege	2976	powershell.exe
Token: SeTakeOwnershipPrivilege	2976	powershell.exe
Token: SeLoadDriverPrivilege	2976	powershell.exe
Token: SeSystemProfilePrivilege	2976	powershell.exe
Token: SeSystemtimePrivilege	2976	powershell.exe
Token: SeProfSingleProcessPrivilege	2976	powershell.exe
Token: SeIncBasePriorityPrivilege	2976	powershell.exe
Token: SeCreatePagefilePrivilege	2976	powershell.exe
Token: SeBackupPrivilege	2976	powershell.exe
Token: SeRestorePrivilege	2976	powershell.exe
Token: SeShutdownPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeSystemEnvironmentPrivilege	2976	powershell.exe
Token: SeRemoteShutdownPrivilege	2976	powershell.exe
Token: SeUndockPrivilege	2976	powershell.exe
Token: SeManageVolumePrivilege	2976	powershell.exe
Token: 33	2976	powershell.exe
Token: 34	2976	powershell.exe
Token: 35	2976	powershell.exe
Token: 36	2976	powershell.exe
Token: SeIncreaseQuotaPrivilege	2976	powershell.exe
Token: SeSecurityPrivilege	2976	powershell.exe
Token: SeTakeOwnershipPrivilege	2976	powershell.exe
Token: SeLoadDriverPrivilege	2976	powershell.exe
Token: SeSystemProfilePrivilege	2976	powershell.exe
Token: SeSystemtimePrivilege	2976	powershell.exe
Token: SeProfSingleProcessPrivilege	2976	powershell.exe
Token: SeIncBasePriorityPrivilege	2976	powershell.exe
Token: SeCreatePagefilePrivilege	2976	powershell.exe
Token: SeBackupPrivilege	2976	powershell.exe
Token: SeRestorePrivilege	2976	powershell.exe
Token: SeShutdownPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeSystemEnvironmentPrivilege	2976	powershell.exe
Token: SeRemoteShutdownPrivilege	2976	powershell.exe
Token: SeUndockPrivilege	2976	powershell.exe
Token: SeManageVolumePrivilege	2976	powershell.exe
Token: 33	2976	powershell.exe
Token: 34	2976	powershell.exe
Token: 35	2976	powershell.exe
Token: 36	2976	powershell.exe
Token: SeIncreaseQuotaPrivilege	2976	powershell.exe
Token: SeSecurityPrivilege	2976	powershell.exe
Token: SeTakeOwnershipPrivilege	2976	powershell.exe
Token: SeLoadDriverPrivilege	2976	powershell.exe
Token: SeSystemProfilePrivilege	2976	powershell.exe
Token: SeSystemtimePrivilege	2976	powershell.exe
Token: SeProfSingleProcessPrivilege	2976	powershell.exe
Token: SeIncBasePriorityPrivilege	2976	powershell.exe
Token: SeCreatePagefilePrivilege	2976	powershell.exe
Token: SeBackupPrivilege	2976	powershell.exe
Token: SeRestorePrivilege	2976	powershell.exe
Token: SeShutdownPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeSystemEnvironmentPrivilege	2976	powershell.exe
Token: SeRemoteShutdownPrivilege	2976	powershell.exe
Token: SeUndockPrivilege	2976	powershell.exe
Token: SeManageVolumePrivilege	2976	powershell.exe
Token: 33	2976	powershell.exe
Token: 34	2976	powershell.exe
Token: 35	2976	powershell.exe
Token: 36	2976	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2976	2716	Permafrost-win-x64.exe	89
PID 2716 wrote to memory of 1952	2716	Permafrost-win-x64.exe	94
PID 5888 wrote to memory of 1724	5888	Service.exe	95
PID 1952 wrote to memory of 5468	1952	Service.exe	96

C:\Users\Admin\AppData\Local\Temp\Permafrost-win-x64.exe
"C:\Users\Admin\AppData\Local\Temp\Permafrost-win-x64.exe"
1⤵
- Downloads MZ/PE file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users'; Add-MpPreference -ExclusionPath 'C:\ProgramData'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\shmr'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2976
- C:\Users\Admin\AppData\Local\shmr\downloads\Service.exe
  "C:\Users\Admin\AppData\Local\shmr\downloads\Service.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Users\Admin\AppData\Roaming\Config\certmng.exe
    "C:\Users\Admin\AppData\Roaming\Config\certmng.exe"
    3⤵
    - Executes dropped EXE
    PID:5468

C:\Users\Admin\AppData\Local\shmr\downloads\Service.exe
C:\Users\Admin\AppData\Local\shmr\downloads\Service.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5888
- C:\Users\Admin\AppData\Roaming\Config\certmng.exe
  "C:\Users\Admin\AppData\Roaming\Config\certmng.exe"
  2⤵
  - Suricata alert: REMCOS RAT Malware Inbound C2 Communication
  - Suricata alert: REMCOS RAT Malware Outbound C2 Communication
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:1724

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Service.exe

Path C:\Users\Admin\AppData\Local\shmr\downloads\Service.exe
Size 512KB
SHA256 d398bc7c97066b41b92c9000c0b2340725acda1f8ab8736d700dd48b17c1397c
MD5 4768ee772e32e2dd3d4b398d44bb8cb9
SHA1 d7d2f4859d8636a7664cd97395f592544f062dca
SHA512 5e03cdaa83049379c489d5eb1f0c31dfb37c4886ae03d1a6530d7995b8a144d30fb5c7fc2f24a60b480aa57e951e96bb2540e2d129efd8e91e23aef9d5ea16eb
SSDEEP 12288:w97mmDmUefn1CvVkeClYRLwvcHk2c+IsPZOrfs:wlxDmRnkvVkhYHk2c+DZe
TLSH
T1CDB4BF01B6F2C1B2DA7654300936E735CEBC7C21183699AB63D61D5BBD30191DB3ABB2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2976-44-0x000002267F340000-0x000002267F34A000-memory.dmp

Download

memory/2976-46-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-35-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-36-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-37-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-38-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-39-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-42-0x00000226198E0000-0x00000226198FE000-memory.dmp

Download

memory/2976-43-0x0000022619B30000-0x0000022619BE2000-memory.dmp

Download

memory/2976-47-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-34-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-45-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-30-0x00007FF8A155F000-0x00007FF8A1560000-memory.dmp

Download

memory/2976-48-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-49-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-50-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-51-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-52-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-53-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-54-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-56-0x00007FF8A13D0000-0x00007FF8A1D74000-memory.dmp

Download

memory/2976-33-0x000002267F3D0000-0x000002267F3F2000-memory.dmp

Download