remcos | 6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192

Analysis

max time kernel
147s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 20:38

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General

Target

6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe
Size

1.1MB
MD5

a72b4bcb182f1051674b27e3c84e550f
SHA1

938d4163a9a9485b8310866b9095a7e0ac6f0362
SHA256

6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192
SHA512

8820e7c7702894de6996455a48f49675f3699cc4002e98cbdf7a1c610db1decaa5c2156e30d9a87c5cbb248d904201acbd30d09072fadfd08b4568db8855f313
SSDEEP

24576:eaTgKwZ14X27uUL3VM0kd+rkhfMsjgkAj2JE06J5N0Fi:LTgdZOcuUL3xAx/8b2S7Z0c

Score

10^/10

remcos chinemerem discovery 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

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

Executes dropped EXE 4 IoCs

pid	Process
2980	AboutSettingsHandlers.exe
2080	AboutSettingsHandlers.exe
2012	AboutSettingsHandlers.exe
2056	AboutSettingsHandlers.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/3028-21-0x0000000001200000-0x0000000001389000-memory.dmp	autoit_exe
behavioral1/memory/3028-26-0x0000000001200000-0x0000000001389000-memory.dmp	autoit_exe
behavioral1/memory/2980-48-0x0000000000210000-0x0000000000399000-memory.dmp	autoit_exe
behavioral1/memory/2980-51-0x0000000000210000-0x0000000000399000-memory.dmp	autoit_exe
behavioral1/memory/2012-70-0x0000000001240000-0x00000000013C9000-memory.dmp	autoit_exe
behavioral1/memory/2012-72-0x0000000001240000-0x00000000013C9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 3032	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 2980 set thread context of 2080	2980	AboutSettingsHandlers.exe	36
PID 2012 set thread context of 2056	2012	AboutSettingsHandlers.exe	40

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 7 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	AboutSettingsHandlers.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.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
2684	schtasks.exe
2992	schtasks.exe
1268	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3032	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 3032	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 3028 wrote to memory of 3032	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 3028 wrote to memory of 3032	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 3028 wrote to memory of 3032	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 3028 wrote to memory of 3032	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 3028 wrote to memory of 3032	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 3028 wrote to memory of 2684	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 3028 wrote to memory of 2684	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 3028 wrote to memory of 2684	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 3028 wrote to memory of 2684	3028	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 2612 wrote to memory of 2980	2612	taskeng.exe	35
PID 2612 wrote to memory of 2980	2612	taskeng.exe	35
PID 2612 wrote to memory of 2980	2612	taskeng.exe	35
PID 2612 wrote to memory of 2980	2612	taskeng.exe	35
PID 2980 wrote to memory of 2080	2980	AboutSettingsHandlers.exe	36
PID 2980 wrote to memory of 2080	2980	AboutSettingsHandlers.exe	36
PID 2980 wrote to memory of 2080	2980	AboutSettingsHandlers.exe	36
PID 2980 wrote to memory of 2080	2980	AboutSettingsHandlers.exe	36
PID 2980 wrote to memory of 2080	2980	AboutSettingsHandlers.exe	36
PID 2980 wrote to memory of 2080	2980	AboutSettingsHandlers.exe	36
PID 2980 wrote to memory of 2992	2980	AboutSettingsHandlers.exe	37
PID 2980 wrote to memory of 2992	2980	AboutSettingsHandlers.exe	37
PID 2980 wrote to memory of 2992	2980	AboutSettingsHandlers.exe	37
PID 2980 wrote to memory of 2992	2980	AboutSettingsHandlers.exe	37
PID 2612 wrote to memory of 2012	2612	taskeng.exe	39
PID 2612 wrote to memory of 2012	2612	taskeng.exe	39
PID 2612 wrote to memory of 2012	2612	taskeng.exe	39
PID 2612 wrote to memory of 2012	2612	taskeng.exe	39
PID 2012 wrote to memory of 2056	2012	AboutSettingsHandlers.exe	40
PID 2012 wrote to memory of 2056	2012	AboutSettingsHandlers.exe	40
PID 2012 wrote to memory of 2056	2012	AboutSettingsHandlers.exe	40
PID 2012 wrote to memory of 2056	2012	AboutSettingsHandlers.exe	40
PID 2012 wrote to memory of 2056	2012	AboutSettingsHandlers.exe	40
PID 2012 wrote to memory of 2056	2012	AboutSettingsHandlers.exe	40
PID 2012 wrote to memory of 1268	2012	AboutSettingsHandlers.exe	41
PID 2012 wrote to memory of 1268	2012	AboutSettingsHandlers.exe	41
PID 2012 wrote to memory of 1268	2012	AboutSettingsHandlers.exe	41
PID 2012 wrote to memory of 1268	2012	AboutSettingsHandlers.exe	41

C:\Users\Admin\AppData\Local\Temp\6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe
"C:\Users\Admin\AppData\Local\Temp\6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe
  "C:\Users\Admin\AppData\Local\Temp\6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3032
- 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:2684

C:\Windows\system32\taskeng.exe
taskeng.exe {B9854C0F-715D-4FFC-BCF6-5C7022E91395} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
    "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
    3⤵
    - Executes dropped EXE
    PID:2080
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2992
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
    "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
    3⤵
    - Executes dropped EXE
    PID:2056
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1268

Network

MITRE ATT&CK Enterprise v15

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

C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe

Filesize
1.1MB

MD5
7359f839ce8d17a33d5b289d15bc6e7c

SHA1
3b2dcd82e38cab4e6c6b57cdcf265a493897b858

SHA256
8a94092834f55c9ecf4117537fe5b664de58a1aca4e67072d0abd112bdfb7be1

SHA512
e6da690dcd6fdb006a9d6196578b18d6085b1f8c7481f09de557a74b11a51a52800da38d81cbb8b23dad0afe4350c72a7f4e4fec2f27364ff435756293a3a66c

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
79B

MD5
8ba1f0f17b56eea670375461254e2a51

SHA1
942e99d2d772f756596a247a22077e6413471a70

SHA256
0c3560ca62570748bf053544fee66a3886e800c7c1c103e9e43719b35a806c3b

SHA512
9c5d65b1e8f9a1db3999099210e5ed93d795044377b650cc91bc736f7f22470da1015a5bad6cbf932a6b18f8d344de5dacc73a973f9ff6699fb95c634ba228f8

Download Submit
memory/2012-72-0x0000000001240000-0x00000000013C9000-memory.dmp

Filesize
1.5MB

Download
memory/2012-70-0x0000000001240000-0x00000000013C9000-memory.dmp

Filesize
1.5MB

Download
memory/2012-57-0x0000000001240000-0x00000000013C9000-memory.dmp

Filesize
1.5MB

Download
memory/2056-65-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-46-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2080-37-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2080-45-0x0000000000210000-0x0000000000399000-memory.dmp

Filesize
1.5MB

Download
memory/2080-42-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-48-0x0000000000210000-0x0000000000399000-memory.dmp

Filesize
1.5MB

Download
memory/2980-34-0x0000000000210000-0x0000000000399000-memory.dmp

Filesize
1.5MB

Download
memory/2980-51-0x0000000000210000-0x0000000000399000-memory.dmp

Filesize
1.5MB

Download
memory/3028-26-0x0000000001200000-0x0000000001389000-memory.dmp

Filesize
1.5MB

Download
memory/3028-0-0x0000000001200000-0x0000000001389000-memory.dmp

Filesize
1.5MB

Download
memory/3028-21-0x0000000001200000-0x0000000001389000-memory.dmp

Filesize
1.5MB

Download
memory/3028-18-0x0000000002920000-0x0000000002AA9000-memory.dmp

Filesize
1.5MB

Download
memory/3028-2-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/3028-1-0x00000000000E0000-0x00000000000E3000-memory.dmp

Filesize
12KB

Download
memory/3032-15-0x0000000000070000-0x0000000000090000-memory.dmp

Filesize
128KB

Download
memory/3032-19-0x0000000001200000-0x0000000001389000-memory.dmp

Filesize
1.5MB

Download
memory/3032-20-0x0000000000070000-0x0000000000090000-memory.dmp

Filesize
128KB

Download
memory/3032-14-0x0000000000070000-0x0000000000090000-memory.dmp

Filesize
128KB

Download
memory/3032-3-0x0000000000070000-0x0000000000090000-memory.dmp

Filesize
128KB

Download
memory/3032-5-0x0000000000070000-0x0000000000090000-memory.dmp

Filesize
128KB

Download
memory/3032-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads