remcos | 940a2239cb96f1eb81f16dec7d931f22e8c7ddeed3c69a2ae3fdb1faed5b2006

General

Target

UPS_CBIJ90511770131.exe
Size

962KB
MD5

89844adca9d975b9933cea1a576ada58
SHA1

c08481b4cf49fcf2979b2c72213d31c064a760e3
SHA256

f3d332df7696f05fa4c501050447a6b373adf048f1a0249cd03a5584110b40da
SHA512

6c0b8a2d0298f02994fabd39dc2a1da491e7b84bdea55b59863c595db9aeb77b2190b6ce8091c2acb0d7c3078b858b390876a45f281072cc730dfd0a5b095b25
SSDEEP

24576:+CfpCdeGe8+2+NE2HqIvU0BsnpCY3QeEz+9vmvGQJM:bFnepIsGskY3a+Zoe

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yayabeloo.duckdns.org:6847

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-VPA6N9
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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

Suspicious use of SetThreadContext 1 IoCs

Processes:

UPS_CBIJ90511770131.exe

description	pid	Process	procid_target
PID 3044 set thread context of 2484	3044	UPS_CBIJ90511770131.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

UPS_CBIJ90511770131.exeUPS_CBIJ90511770131.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UPS_CBIJ90511770131.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UPS_CBIJ90511770131.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

UPS_CBIJ90511770131.exe

pid	Process
3044	UPS_CBIJ90511770131.exe
3044	UPS_CBIJ90511770131.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

UPS_CBIJ90511770131.exe

description	pid	Process
Token: SeDebugPrivilege	3044	UPS_CBIJ90511770131.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

UPS_CBIJ90511770131.exe

pid	Process
2484	UPS_CBIJ90511770131.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

UPS_CBIJ90511770131.exe

description	pid	Process	procid_target
PID 3044 wrote to memory of 3148	3044	UPS_CBIJ90511770131.exe	84
PID 3044 wrote to memory of 3148	3044	UPS_CBIJ90511770131.exe	84
PID 3044 wrote to memory of 3148	3044	UPS_CBIJ90511770131.exe	84
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85
PID 3044 wrote to memory of 2484	3044	UPS_CBIJ90511770131.exe	85

C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
"C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
  "C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
  2⤵
  PID:3148
- C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe
  "C:\Users\Admin\AppData\Local\Temp\UPS_CBIJ90511770131.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
07f19fc61ca10eaa3bf27084648ffd6c

SHA1
f3449d81f60862ae7d22c760cf6d318663601483

SHA256
2a85c2982d7914724036500fd9547574f6a292265acbe676e0cd18dc6a7e7813

SHA512
ddab7a932f4a02e93be4eab67513b5aace50ae8b96200dc3208dee0593c0688c431592cf581a6491c5d8a410ff63a1317cfd1a10dcc9f94fba304a16088757e7

Download Submit
memory/2484-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2484-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3044-9-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3044-20-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3044-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/3044-3-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/3044-10-0x00000000081F0000-0x00000000082B2000-memory.dmp

Filesize
776KB

Download
memory/3044-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/3044-1-0x0000000000D10000-0x0000000000E06000-memory.dmp

Filesize
984KB

Download
memory/3044-8-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/3044-7-0x0000000005840000-0x000000000585C000-memory.dmp

Filesize
112KB

Download
memory/3044-6-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/3044-5-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/3044-4-0x0000000005880000-0x000000000591C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads