remcos | 9be6cfe389156f08bbcb0c6f57a2513506a8f6fee1c064a9659a83405ac76dda

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/06/2026, 22:02

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General

Target
tmpic6ppzag.exe
Size 1.5MB
Sample260601-1x2k6af16w
SHA256 9be6cfe389156f08bbcb0c6f57a2513506a8f6fee1c064a9659a83405ac76dda
MD5 979c268bdce6401b7df38e70f2a7a31a
SHA1 fe0762ec0f8dbcf48959efebef0950e4349e5f94
SHA512 6e147d6b54344111e8ee175ab3ee1374734e89afddd846224ce75c85526ffa762ca1a4618e3d1f927dd276f3afe663d5b208278019004e72c670f7afa744a2c1
SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0FM:+Tg3ZOcuUL3xAx/8b2S7Z0+
TLSH
T1437523FA8E706892D5BD463205AF0F6D35F54FF77A14AC4311713D2A6F3A267A820A1C
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

Checks computer location settings 2 TTPs 3 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-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation	tmpic6ppzag.exe
Key value queried	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation	AboutSettingsHandlers.exe
Key value queried	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation	AboutSettingsHandlers.exe

Executes dropped EXE 7 IoCs

pid	Process
5096	AboutSettingsHandlers.exe
4152	AboutSettingsHandlers.exe
4956	AboutSettingsHandlers.exe
2292	AboutSettingsHandlers.exe
4956	AboutSettingsHandlers.exe
1288	AboutSettingsHandlers.exe
2312	AboutSettingsHandlers.exe

AutoIT Executable 8 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1544-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/1544-19-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/1544-22-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/4956-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/5096-39-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/5096-42-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/2292-58-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe
behavioral2/memory/2292-60-0x0000000000DE0000-0x0000000000F69000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 3236	1544	tmpic6ppzag.exe	88
PID 5096 set thread context of 4152	5096	AboutSettingsHandlers.exe	102
PID 2292 set thread context of 4956	2292	AboutSettingsHandlers.exe	121
PID 1288 set thread context of 2312	1288	AboutSettingsHandlers.exe	126

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 9 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	tmpic6ppzag.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpic6ppzag.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	AboutSettingsHandlers.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4528	schtasks.exe
1680	schtasks.exe
4700	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3236	tmpic6ppzag.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 3236	1544	tmpic6ppzag.exe	88
PID 1544 wrote to memory of 3236	1544	tmpic6ppzag.exe	88
PID 1544 wrote to memory of 1680	1544	tmpic6ppzag.exe	96
PID 5096 wrote to memory of 4152	5096	AboutSettingsHandlers.exe	102
PID 5096 wrote to memory of 4152	5096	AboutSettingsHandlers.exe	102
PID 5096 wrote to memory of 4700	5096	AboutSettingsHandlers.exe	116
PID 2292 wrote to memory of 4956	2292	AboutSettingsHandlers.exe	121
PID 2292 wrote to memory of 4956	2292	AboutSettingsHandlers.exe	121
PID 2292 wrote to memory of 4528	2292	AboutSettingsHandlers.exe	122
PID 1288 wrote to memory of 2312	1288	AboutSettingsHandlers.exe	126
PID 1288 wrote to memory of 2312	1288	AboutSettingsHandlers.exe	126

C:\Users\Admin\AppData\Local\Temp\tmpic6ppzag.exe
"C:\Users\Admin\AppData\Local\Temp\tmpic6ppzag.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\tmpic6ppzag.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpic6ppzag.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3236
- 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:1680

C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
  2⤵
  - Executes dropped EXE
  PID:4152
- 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:4700

C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4956

C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
  2⤵
  - Executes dropped EXE
  PID:4956
- 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:4528

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:1288
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
  2⤵
  - Executes dropped EXE
  PID:2312

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

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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AboutSettingsHandlers.exe

Path C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
Size 1.5MB
SHA256 d65323248bbb6a8ce544349d3ad2ec4167ffa5995568b6ebb57aa0aaf0bf6bec
MD5 9d04cdaec6295802f6079cb7749baf63
SHA1 0461bf201ee5f04347560d1bc8a9881bb712d7df
SHA512 e780e0de85e59f795281eddf6e72cad7ef5cf5bb0bcaf16ee01145f84e88c9e26eaea41e8df35bc7a7b9645e87a412b938e4b6ac81541f7324ca705bccd264d0
SSDEEP 24576:zaTg0wZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0F+:+Tg3ZOcuUL3xAx/8b2S7Z04
TLSH
T1117523FA8E706892D5BD463205AF0F6D35F54FF77A14AC4311713D2A6F3A267A820A1C
MD5 SHA1 SHA512 SSDEEP TLSH

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logs.dat

Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
Size 79B
SHA256 04841611bf30fcb4a8aa3b2d91913e70d166cc72e74f30054449577d15e3154e
MD5 551c0c67466c7df3c226c109ca07455e
SHA1 fe1dd01500b72234bf397d7254dddd78cd99ffe7
SHA512 08e30e38e519c08b6b3701d88d2ecc640c2ac0c3acb1d0324e5e612178e5a2e05beb25e2da9a05a6b7e1f6ed2aff703ca8a9f53d13b1e5f19689783fcef80db4
TLSH
T120A012469325A950001024E0604930D69045011431A6061692014B0C838A011A780111
MD5 SHA1 SHA512 TLSH

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memory/1544-1-0x0000000000820000-0x0000000000823000-memory.dmp

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memory/1544-2-0x0000000003550000-0x0000000003551000-memory.dmp

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memory/1544-0-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/1544-15-0x0000000000820000-0x0000000000823000-memory.dmp

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memory/1544-16-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/1544-19-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/1544-22-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/2292-60-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/2292-58-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/3236-11-0x00000000000C0000-0x00000000000E0000-memory.dmp

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memory/3236-14-0x00000000000C0000-0x00000000000E0000-memory.dmp

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memory/3236-10-0x00000000000C0000-0x00000000000E0000-memory.dmp

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memory/3236-3-0x00000000000C0000-0x00000000000E0000-memory.dmp

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memory/4956-38-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/5096-25-0x0000000000140000-0x0000000000143000-memory.dmp

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memory/5096-37-0x0000000000140000-0x0000000000143000-memory.dmp

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memory/5096-39-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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memory/5096-42-0x0000000000DE0000-0x0000000000F69000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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