remcos | 1ff46131fc90923fc2929ee35a4daf81612df3309332340caa136c5100dbe06e

Analysis

user interaction
yes
max time kernel
0s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/09/2026, 14:23

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General

Target
Task2.exe
Size 526KB
Sample260925-rql3fstyex
SHA256 1ff46131fc90923fc2929ee35a4daf81612df3309332340caa136c5100dbe06e
MD5 774e55674dde3fec3249ba0eca107f71
SHA1 07c6b00bd3361967633a0b29a8e2c2105f7bdc92
SHA512 c48d24cc235eb10ceb1d2db170c3457f35af1ff5cd092da7bcc52cabcd33b9442ebe188a31c2bfba11470ff50edbb5295d21bf54ca7a1e2e25ba602ec335ae57
SSDEEP 12288:pcF3UU0AViEhkwkhoo+/TUszmXxr1svZ9xxt:V1AViE/kHszmXWZR
TLSH
T187B4AE01BAF1C1B2D57664700939EB35DEBCBC210C359D2B63D61E9ABE301519B3AB72
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost discovery remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

7.3.1 Pro

Botnet

RemoteHost

tribalwars.top:443
mb66ax.com:443
healixai.tech:443
upakari.in:443
kuwing.org:443
s666hn.com:443
eodev.org:443
ww88com.co:443
aoimichelle.me:443
uu8833.com:443
tribalwars.top:80
mb66ax.com:80
healixai.tech:80
upakari.in:80
kuwing.org:80
s666hn.com:80
eodev.org:80
ww88com.co:80
aoimichelle.me:80
uu8833.com:80
www.uu8833.com:80
www.uu8833.com:443
www.aoimichelle.me:443
www.aoimichelle.me:80
www.ww88com.co:80
www.ww88com.co:443
www.eodev.org:443
www.eodev.org:80
www.s666hn.com:80
www.s666hn.com:443
www.kuwing.org:443
www.kuwing.org:80
www.upakari.in:80
www.upakari.in:443
www.healixai.tech:443
www.healixai.tech:80
www.mb66ax.com:80
www.mb66ax.com:443
www.tribalwars.top:443
www.tribalwars.top:80
calebmedia.in:80
calebmedia.in:443
www.calebmedia.in:443
www.calebmedia.in:80

Attributes

audio_folder
MicRecords
audio_path
%Temp%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
RemoteBotnet.exe
copy_folder
s8
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
fsociety415
mouse_option
false
mutex
Remcos-BR7E5M
screenshot_crypt
false
screenshot_flag
true
screenshot_folder
Screenshots
screenshot_path
%SystemDrive%
screenshot_time
1
startup_value
take_screenshot_option
true
take_screenshot_time
5
take_screenshot_title
chrome;discord;facebook;telegram;whatsapp;youtube;instagram;tiktok;spotify;netflix;zoom;teams;slack;steam;vlc;coccoc

Signatures

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

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-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\International\Geo\Nation	Task2.exe

Executes dropped EXE 1 IoCs

pid	Process
4864	RemoteBotnet.exe

Adds Run key to start application 2 TTPs 4 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\Remcos-BR7E5M = "\"C:\\ProgramData\\s8\\RemoteBotnet.exe\""	Task2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos-BR7E5M = "\"C:\\ProgramData\\s8\\RemoteBotnet.exe\""	RemoteBotnet.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos-BR7E5M = "\"C:\\ProgramData\\s8\\RemoteBotnet.exe\""	RemoteBotnet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remcos-BR7E5M = "\"C:\\ProgramData\\s8\\RemoteBotnet.exe\""	Task2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 4892	4864	RemoteBotnet.exe	89

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	Task2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RemoteBotnet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4892	svchost.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4892	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4892	svchost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 4864	640	Task2.exe	88
PID 4864 wrote to memory of 4892	4864	RemoteBotnet.exe	89

C:\Users\Admin\AppData\Local\Temp\Task2.exe
"C:\Users\Admin\AppData\Local\Temp\Task2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640
- C:\ProgramData\s8\RemoteBotnet.exe
  "C:\ProgramData\s8\RemoteBotnet.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:4892

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x150 0x4d8
1⤵
PID:4912

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

logs.dat

Path C:\ProgramData\fsociety415\logs.dat
Size 302B
SHA256 d0f58ec753747f56a734e3754fdb419574aedd0d035fcf409d038cb17bd2c672
MD5 c17ddd7b9d58839c19aba7e6e19cac63
SHA1 5d562897e0565118b6fc2cd5f73f059b6f87de52
SHA512 d2464511291cec224026f82b7d45991195fa7ae6e45cbe85267ea79cebcfeb7e683c2391a621ac15296591725eaa9a33e7676a1341367c25d11bcbadb120e561
TLSH
T1E5E0126A2BE1082BB3B6EE5A54F301126674B9A0A83D844C62D6438C18E0B14F4617EF
MD5 SHA1 SHA512 TLSH

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RemoteBotnet.exe

Path C:\ProgramData\s8\RemoteBotnet.exe
Size 526KB
SHA256 1ff46131fc90923fc2929ee35a4daf81612df3309332340caa136c5100dbe06e
MD5 774e55674dde3fec3249ba0eca107f71
SHA1 07c6b00bd3361967633a0b29a8e2c2105f7bdc92
SHA512 c48d24cc235eb10ceb1d2db170c3457f35af1ff5cd092da7bcc52cabcd33b9442ebe188a31c2bfba11470ff50edbb5295d21bf54ca7a1e2e25ba602ec335ae57
SSDEEP 12288:pcF3UU0AViEhkwkhoo+/TUszmXxr1svZ9xxt:V1AViE/kHszmXWZR
TLSH
T187B4AE01BAF1C1B2D57664700939EB35DEBCBC210C359D2B63D61E9ABE301519B3AB72
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4892-31-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-34-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-14-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-21-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-24-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-28-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-11-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-18-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-37-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-39-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-42-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-45-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-49-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4892-52-0x0000000000400000-0x0000000000490000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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