remcos | d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b

Analysis

max time kernel
60s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/11/2026, 20:05

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe
Size 1.1MB
Sample261104-yvbwlsvsay
SHA256 d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b
MD5 36af82456a9c7df5fd7011ac7c6ebcd4
SHA1 0e2e364625117a7f05df2c645ab6822aa3a251af
SHA512 485e88230f6ecba8f5f348ee353c7d7cdd4c70744c21863d2aeeb21ff3ae4635817b6d518250946f9ddb703c7ef9abaa62cbfd24ea67b8fc54a4cd3255f538e1
SSDEEP 24576:30jDKFo78CWv3b53avXay/WHgvXW0FxJf1G0UwUKkJ1OKF9c:0DYo78DvlKvay/JvtFfdMwrkJ1OK4
TLSH
T11E45F14422A9DA05E4A997FDC971D2F813B02D89DA31E3074EE6BDEF3832B416D94353
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

172.94.15.100:6075

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
MS-Office.exe
copy_folder
MS-Office
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
remcos
mouse_option
false
mutex
Rmc-48KJVO
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

Executes dropped EXE 1 IoCs

pid	Process
5060	MS-Office.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-53044966-3830981193-2402648431-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-48KJVO = "\"C:\\ProgramData\\MS-Office\\MS-Office.exe\""	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-48KJVO = "\"C:\\ProgramData\\MS-Office\\MS-Office.exe\""	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 712 set thread context of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.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	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MS-Office.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	89
PID 712 wrote to memory of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	89
PID 712 wrote to memory of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	89
PID 712 wrote to memory of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	89
PID 712 wrote to memory of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	89
PID 712 wrote to memory of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	89
PID 712 wrote to memory of 5648	712	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	89
PID 5648 wrote to memory of 5060	5648	d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe	90

C:\Users\Admin\AppData\Local\Temp\d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe
"C:\Users\Admin\AppData\Local\Temp\d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:712
- C:\Users\Admin\AppData\Local\Temp\d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe
  "C:\Users\Admin\AppData\Local\Temp\d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5648
- - C:\ProgramData\MS-Office\MS-Office.exe
    "C:\ProgramData\MS-Office\MS-Office.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5060

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

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

MS-Office.exe

Path C:\ProgramData\MS-Office\MS-Office.exe
Size 1.1MB
SHA256 d72d4088a8a48857e657d4d3a25417e1d5d62ea46f7efd398baa93d720f3855b
MD5 36af82456a9c7df5fd7011ac7c6ebcd4
SHA1 0e2e364625117a7f05df2c645ab6822aa3a251af
SHA512 485e88230f6ecba8f5f348ee353c7d7cdd4c70744c21863d2aeeb21ff3ae4635817b6d518250946f9ddb703c7ef9abaa62cbfd24ea67b8fc54a4cd3255f538e1
SSDEEP 24576:30jDKFo78CWv3b53avXay/WHgvXW0FxJf1G0UwUKkJ1OKF9c:0DYo78DvlKvay/JvtFfdMwrkJ1OK4
TLSH
T11E45F14422A9DA05E4A997FDC971D2F813B02D89DA31E3074EE6BDEF3832B416D94353
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/712-6-0x0000000005C60000-0x0000000005C7C000-memory.dmp

Download

memory/712-9-0x0000000009A90000-0x0000000009B2C000-memory.dmp

Download

memory/712-3-0x0000000005920000-0x00000000059B2000-memory.dmp

Download

memory/712-4-0x00000000058C0000-0x00000000058CA000-memory.dmp

Download

memory/712-5-0x0000000074780000-0x0000000074F3C000-memory.dmp

Download

memory/712-0-0x0000000074792000-0x0000000074793000-memory.dmp

Download

memory/712-7-0x0000000074792000-0x0000000074793000-memory.dmp

Download

memory/712-1-0x0000000000C80000-0x0000000000DAA000-memory.dmp

Download

memory/712-12-0x000000000A660000-0x000000000AB2C000-memory.dmp

Download

memory/712-10-0x0000000009B30000-0x0000000009BF8000-memory.dmp

Download

memory/712-2-0x0000000005E40000-0x00000000063FA000-memory.dmp

Download

memory/712-11-0x000000000A130000-0x000000000A65C000-memory.dmp

Download

memory/712-8-0x0000000074780000-0x0000000074F3C000-memory.dmp

Download

memory/712-16-0x0000000074780000-0x0000000074F3C000-memory.dmp

Download

memory/5060-20-0x0000000074932000-0x0000000074933000-memory.dmp

Download

memory/5060-21-0x0000000074920000-0x00000000750DC000-memory.dmp

Download

memory/5060-22-0x0000000074932000-0x0000000074933000-memory.dmp

Download

memory/5060-23-0x0000000074920000-0x00000000750DC000-memory.dmp

Download

memory/5648-15-0x0000000000400000-0x0000000000490000-memory.dmp

Download

memory/5648-14-0x0000000000400000-0x0000000000490000-memory.dmp

Download

memory/5648-17-0x0000000000400000-0x0000000000490000-memory.dmp

Download

memory/5648-13-0x0000000000400000-0x0000000000490000-memory.dmp

Download

memory/5648-19-0x0000000000400000-0x0000000000490000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads