remcos | 2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2

Analysis

max time kernel
60s
max time network
38s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/08/2026, 20:55

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General

Target
2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe
Size 1.5MB
Sample260807-zqemdatcph
SHA256 2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2
MD5 a46fa83811771f34389ebaa376fc1316
SHA1 66a40f1c22734a4d622a04763ed04b4283d2a272
SHA512 2c765d9233d5f879c68e55236b201bd5a417b0304b5cfdcbe9f39fad8e83c53b98cd1fd0c235dafa4d25b36fd23982c487ba69a34b7893cd7d25abadc77be314
SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0FS:+Tg3ZOcuUL3xAx/8b2S7Z0I
TLSH
T1BD7523FA8E706892D5BD563205AF0F6D35F54FF37A14AC4311713D2A2F3A267A920A1C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

chinemerem discovery execution remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

2.2.2 Pro

Botnet

chinemerem

remcoss.onmypc.org:3765

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
r-8ET8H0
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
remcos
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 4 IoCs

pid	Process
3620	AboutSettingsHandlers.exe
1360	AboutSettingsHandlers.exe
2132	AboutSettingsHandlers.exe
6100	AboutSettingsHandlers.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2440-15-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/2440-18-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/2440-20-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/3620-33-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/3620-35-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/3620-36-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 4596	2440	2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe	89
PID 3620 set thread context of 1360	3620	AboutSettingsHandlers.exe	94
PID 2132 set thread context of 6100	2132	AboutSettingsHandlers.exe	99

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 6 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	2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AboutSettingsHandlers.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AboutSettingsHandlers.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2648	schtasks.exe
2196	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4596	2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 4596	2440	2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe	89
PID 2440 wrote to memory of 4596	2440	2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe	89
PID 2440 wrote to memory of 2648	2440	2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe	90
PID 3620 wrote to memory of 1360	3620	AboutSettingsHandlers.exe	94
PID 3620 wrote to memory of 1360	3620	AboutSettingsHandlers.exe	94
PID 3620 wrote to memory of 2196	3620	AboutSettingsHandlers.exe	96
PID 2132 wrote to memory of 6100	2132	AboutSettingsHandlers.exe	99
PID 2132 wrote to memory of 6100	2132	AboutSettingsHandlers.exe	99

C:\Users\Admin\AppData\Local\Temp\2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe
"C:\Users\Admin\AppData\Local\Temp\2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe
  "C:\Users\Admin\AppData\Local\Temp\2c7a01ac6c61153487f8f159e868b01049d439998e9286ccf8ddcd92bf3badb2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4596
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2648

C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
  2⤵
  - Executes dropped EXE
  PID:1360
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2196

C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
  2⤵
  - Executes dropped EXE
  PID:6100

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

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

AboutSettingsHandlers.exe

Path C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
Size 1.5MB
SHA256 84a1933d4e2079f684f5b9caead7adc971ea3ddcfc90496183bdfd8019a8002f
MD5 0ad744c97c62c1d106d201ea286a13ae
SHA1 094629cd7b6f5a4d40150df5a3a941e2884c1ba7
SHA512 d98af741c8a7fb31481a8b6b0a3188ccdafbb62671d796b431c58adefc5fc17147c9ae85919a76c0da0e15449f0ee931160c751aa6691e65d3c0dcfe2e125268
SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0F8:+Tg3ZOcuUL3xAx/8b2S7Z0C
TLSH
T1607523FA8E706892D5BD563205AF0F6D35F54FF37A14AC4311713D2A2F3A267A920A1C
MD5 SHA1 SHA512 SSDEEP TLSH

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logs.dat

Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
Size 79B
SHA256 b88c44e17011c591d1dd0f1cd712fa4ba8c8adfa44adb9e367099806edc276b0
MD5 3e4ac83c87716011af2905598fed2fcb
SHA1 8f8aa89682bca8ed5ab4811e20c8978ea60792f0
SHA512 f6ee96d3a298af33734af7b668de14d279c12ea9628eabd8d00a31ec37d8e9753adc2b2dc6523064413d0775339934cedea5537b1c38a076f8fc8bd809283094
TLSH
T1DDA02445D334CD40001034F0744C30D7D005105035770755D4015F0F034D00175C0151
MD5 SHA1 SHA512 TLSH

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memory/2440-18-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/2440-1-0x0000000000DC0000-0x0000000000DC3000-memory.dmp

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memory/2440-2-0x0000000003480000-0x0000000003481000-memory.dmp

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memory/2440-0-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/2440-20-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/2440-15-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/3620-33-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/3620-23-0x0000000000D80000-0x0000000000D83000-memory.dmp

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memory/3620-35-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/3620-36-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/4596-14-0x00000000000C0000-0x00000000000E0000-memory.dmp

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memory/4596-11-0x00000000000C0000-0x00000000000E0000-memory.dmp

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memory/4596-10-0x00000000000C0000-0x00000000000E0000-memory.dmp

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memory/4596-3-0x00000000000C0000-0x00000000000E0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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