remcos | 6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192

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

C2

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 2 IoCs

pid	Process
1788	AboutSettingsHandlers.exe
2152	AboutSettingsHandlers.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2804-20-0x0000000000D40000-0x0000000000EC9000-memory.dmp	autoit_exe
behavioral1/memory/2804-23-0x0000000000D40000-0x0000000000EC9000-memory.dmp	autoit_exe
behavioral1/memory/2804-25-0x0000000000D40000-0x0000000000EC9000-memory.dmp	autoit_exe
behavioral1/memory/1788-42-0x0000000000D20000-0x0000000000EA9000-memory.dmp	autoit_exe
behavioral1/memory/1788-44-0x0000000000D20000-0x0000000000EA9000-memory.dmp	autoit_exe
behavioral1/memory/1788-46-0x0000000000D20000-0x0000000000EA9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2908	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 1788 set thread context of 2152	1788	AboutSettingsHandlers.exe	35

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 5 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	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 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2800	schtasks.exe
3028	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2908	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2908	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 2804 wrote to memory of 2908	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 2804 wrote to memory of 2908	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 2804 wrote to memory of 2908	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 2804 wrote to memory of 2908	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 2804 wrote to memory of 2908	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	30
PID 2804 wrote to memory of 2800	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 2804 wrote to memory of 2800	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 2804 wrote to memory of 2800	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 2804 wrote to memory of 2800	2804	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	31
PID 2736 wrote to memory of 1788	2736	taskeng.exe	34
PID 2736 wrote to memory of 1788	2736	taskeng.exe	34
PID 2736 wrote to memory of 1788	2736	taskeng.exe	34
PID 2736 wrote to memory of 1788	2736	taskeng.exe	34
PID 1788 wrote to memory of 2152	1788	AboutSettingsHandlers.exe	35
PID 1788 wrote to memory of 2152	1788	AboutSettingsHandlers.exe	35
PID 1788 wrote to memory of 2152	1788	AboutSettingsHandlers.exe	35
PID 1788 wrote to memory of 2152	1788	AboutSettingsHandlers.exe	35
PID 1788 wrote to memory of 2152	1788	AboutSettingsHandlers.exe	35
PID 1788 wrote to memory of 2152	1788	AboutSettingsHandlers.exe	35
PID 1788 wrote to memory of 3028	1788	AboutSettingsHandlers.exe	36
PID 1788 wrote to memory of 3028	1788	AboutSettingsHandlers.exe	36
PID 1788 wrote to memory of 3028	1788	AboutSettingsHandlers.exe	36
PID 1788 wrote to memory of 3028	1788	AboutSettingsHandlers.exe	36

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:2804
- 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:2908
- 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:2800

C:\Windows\system32\taskeng.exe
taskeng.exe {160D17E6-8CEC-4B9A-8B09-3B2BF6D3A739} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- 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:1788
- - C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
    "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
    3⤵
    - Executes dropped EXE
    PID:2152
- - 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:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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
7f1306843f2586c92723449fcba2660f

SHA1
ff7a104ffef1f1f73d38873ef72de9ca1cf60e0d

SHA256
7b2495d28aa9bb45fbc0572913c6def156035d3fbe4df751d19219098180747a

SHA512
878fe4b4186ef5268c2576240d7132affc1be42cc4b7f72758c328786ed8c0a4c90a43cdd70f2234d6f8983358b7b5655190749a868094cfd86e7f187fc4c0b3

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

Filesize
79B

MD5
9395277a367bbcfe3e4c59a827427955

SHA1
200eb9c9201fa12192108c98bf4223d1076ffa48

SHA256
28b643318d37889add62f330aa6e8f01a5f8040cebbfefcbee4500df307062cb

SHA512
cfe1437321864eddbcb17f8d83066207e0921fd9251c75229ee7214f2f070ccdb23c666196e9fab511cf9cdb5cd1a4de503f2f67d9c7682494d9593390e36663

Download Submit
memory/1788-42-0x0000000000D20000-0x0000000000EA9000-memory.dmp

Filesize
1.5MB

Download
memory/1788-29-0x0000000000D20000-0x0000000000EA9000-memory.dmp

Filesize
1.5MB

Download
memory/1788-46-0x0000000000D20000-0x0000000000EA9000-memory.dmp

Filesize
1.5MB

Download
memory/1788-44-0x0000000000D20000-0x0000000000EA9000-memory.dmp

Filesize
1.5MB

Download
memory/2152-32-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2152-40-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2152-37-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-13-0x00000000027F0000-0x0000000002979000-memory.dmp

Filesize
1.5MB

Download
memory/2804-1-0x0000000000070000-0x0000000000073000-memory.dmp

Filesize
12KB

Download
memory/2804-20-0x0000000000D40000-0x0000000000EC9000-memory.dmp

Filesize
1.5MB

Download
memory/2804-23-0x0000000000D40000-0x0000000000EC9000-memory.dmp

Filesize
1.5MB

Download
memory/2804-25-0x0000000000D40000-0x0000000000EC9000-memory.dmp

Filesize
1.5MB

Download
memory/2804-14-0x0000000000070000-0x0000000000073000-memory.dmp

Filesize
12KB

Download
memory/2804-2-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2804-0-0x0000000000D40000-0x0000000000EC9000-memory.dmp

Filesize
1.5MB

Download
memory/2908-19-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/2908-3-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/2908-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-15-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/2908-16-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/2908-4-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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