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

Checks computer location settings 2 TTPs 2 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-1-5-21-446031748-3036493239-2009529691-1000\Control Panel\International\Geo\Nation	AboutSettingsHandlers.exe
Key value queried	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Control Panel\International\Geo\Nation	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe

Executes dropped EXE 2 IoCs

pid	Process
4176	AboutSettingsHandlers.exe
4012	AboutSettingsHandlers.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/5468-16-0x0000000000C20000-0x0000000000DA9000-memory.dmp	autoit_exe
behavioral2/memory/5468-19-0x0000000000C20000-0x0000000000DA9000-memory.dmp	autoit_exe
behavioral2/memory/5468-21-0x0000000000C20000-0x0000000000DA9000-memory.dmp	autoit_exe
behavioral2/memory/4176-40-0x0000000000CC0000-0x0000000000E49000-memory.dmp	autoit_exe
behavioral2/memory/4176-42-0x0000000000CC0000-0x0000000000E49000-memory.dmp	autoit_exe
behavioral2/memory/4176-43-0x0000000000CC0000-0x0000000000E49000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5468 set thread context of 4796	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	91
PID 4176 set thread context of 4012	4176	AboutSettingsHandlers.exe	107

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	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

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
2448	schtasks.exe
4876	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4796	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 5468 wrote to memory of 4796	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	91
PID 5468 wrote to memory of 4796	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	91
PID 5468 wrote to memory of 4796	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	91
PID 5468 wrote to memory of 4796	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	91
PID 5468 wrote to memory of 4796	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	91
PID 5468 wrote to memory of 4876	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	95
PID 5468 wrote to memory of 4876	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	95
PID 5468 wrote to memory of 4876	5468	6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe	95
PID 4176 wrote to memory of 4012	4176	AboutSettingsHandlers.exe	107
PID 4176 wrote to memory of 4012	4176	AboutSettingsHandlers.exe	107
PID 4176 wrote to memory of 4012	4176	AboutSettingsHandlers.exe	107
PID 4176 wrote to memory of 4012	4176	AboutSettingsHandlers.exe	107
PID 4176 wrote to memory of 4012	4176	AboutSettingsHandlers.exe	107
PID 4176 wrote to memory of 2448	4176	AboutSettingsHandlers.exe	108
PID 4176 wrote to memory of 2448	4176	AboutSettingsHandlers.exe	108
PID 4176 wrote to memory of 2448	4176	AboutSettingsHandlers.exe	108

C:\Users\Admin\AppData\Local\Temp\6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe
"C:\Users\Admin\AppData\Local\Temp\6030ff80b6942595fc83ce9419392d35b1b6f51cf78f7c7969329c1e97f54192.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5468
- 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:4796
- 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:4876

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:4176
- C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe
  "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"
  2⤵
  - Executes dropped EXE
  PID:4012
- 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:2448

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

Query Registry

1

T1012

System Information Discovery

2

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
af8b04086b0d73d0560cb85d0880a918

SHA1
29fb69e44778762b6f1e6505cad417ee82e8acbc

SHA256
fd3a3708f878bbf48ca690dc4bce7f8a1a0990ff6f48a312f4245eef273ea88b

SHA512
b49b61f6f17cb13a4c9a8e31658ad5603fdb5c3ec43ba084519f172ec91a98639f9f0bbcb3ef4da6e55598642a48c9ffa1b2acda7898732d542e458f4e165ffc

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

Filesize
79B

MD5
436a189ebd3d7b4aab02b4ce1d778236

SHA1
bd84171539d397681f96cf4667efd92f819afede

SHA256
be00ab6b45547c011f8609cb6205df581bb0f8975ca933f56b91d84c337e3580

SHA512
4a4a6fc1ceecd0c556bdb7877a8e5b224faf24eb7519e8df1d2eecc8a105cf4ddaf98ac49d36f1b7eac95c9314c9a2fb59372e1bcb89cd7f87b7addf6271957d

Download Submit
memory/4012-36-0x0000000000CC0000-0x0000000000E49000-memory.dmp

Filesize
1.5MB

Download
memory/4176-43-0x0000000000CC0000-0x0000000000E49000-memory.dmp

Filesize
1.5MB

Download
memory/4176-42-0x0000000000CC0000-0x0000000000E49000-memory.dmp

Filesize
1.5MB

Download
memory/4176-40-0x0000000000CC0000-0x0000000000E49000-memory.dmp

Filesize
1.5MB

Download
memory/4176-38-0x0000000000C10000-0x0000000000C13000-memory.dmp

Filesize
12KB

Download
memory/4176-26-0x0000000000CC0000-0x0000000000E49000-memory.dmp

Filesize
1.5MB

Download
memory/4176-27-0x0000000000C10000-0x0000000000C13000-memory.dmp

Filesize
12KB

Download
memory/4796-11-0x0000000000350000-0x0000000000370000-memory.dmp

Filesize
128KB

Download
memory/4796-14-0x0000000000350000-0x0000000000370000-memory.dmp

Filesize
128KB

Download
memory/4796-10-0x0000000000350000-0x0000000000370000-memory.dmp

Filesize
128KB

Download
memory/4796-3-0x0000000000350000-0x0000000000370000-memory.dmp

Filesize
128KB

Download
memory/5468-21-0x0000000000C20000-0x0000000000DA9000-memory.dmp

Filesize
1.5MB

Download
memory/5468-19-0x0000000000C20000-0x0000000000DA9000-memory.dmp

Filesize
1.5MB

Download
memory/5468-16-0x0000000000C20000-0x0000000000DA9000-memory.dmp

Filesize
1.5MB

Download
memory/5468-15-0x0000000000AA0000-0x0000000000AA3000-memory.dmp

Filesize
12KB

Download
memory/5468-0-0x0000000000C20000-0x0000000000DA9000-memory.dmp

Filesize
1.5MB

Download
memory/5468-2-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/5468-1-0x0000000000AA0000-0x0000000000AA3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads