remcos | 9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5

General

Target

09b8a42bcf04f1feb2f7c1cf671a5f9d.exe
Size

982KB
MD5

09b8a42bcf04f1feb2f7c1cf671a5f9d
SHA1

ffb92f50aebc097d85c91e15354c60a7d29e522e
SHA256

9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5
SHA512

80f8591b641863731872cbe577d91d24715c26455438ac42e1d08ebfe523f1fb14a7307754d5df0c847c7a523eb05a1942d09e3b0d8af36e9c3273dd56fc2373
SSDEEP

12288:QNT8/720mXkfzYVEH56mdd4TE8BX5Ays5pQAUQnmvw1LnlaIxLt/l3XyH0/FsMW7:QNT8S0ck7YVk4mdAECpAnVZlrdhR5Ol

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.130.249.27:6161

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-JKZTT7
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

description	pid	Process	procid_target
PID 764 set thread context of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31
PID 764 wrote to memory of 2764	764	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	31

C:\Users\Admin\AppData\Local\Temp\09b8a42bcf04f1feb2f7c1cf671a5f9d.exe
"C:\Users\Admin\AppData\Local\Temp\09b8a42bcf04f1feb2f7c1cf671a5f9d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:764
- C:\Users\Admin\AppData\Local\Temp\09b8a42bcf04f1feb2f7c1cf671a5f9d.exe
  "C:\Users\Admin\AppData\Local\Temp\09b8a42bcf04f1feb2f7c1cf671a5f9d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2764

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
cc566141b01e3015970140c002aa5a03

SHA1
2db29d014bd0a2b7b9d4ee2c2037b8c711aabb42

SHA256
b0a2c1a136d209351840efc1c3dcc635af5fe1431b5f4f2cb68e00654f5a16fc

SHA512
2b12b75aaaeddb66205c036785f8a366f647ad3be0d35fdfc267797a75e93dcc5d74fa7875ff24c5725ff0a2e2f28e0fcb86fd5a75c12b5219af4a23c500b719

Download Submit
memory/764-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/764-1-0x0000000000900000-0x00000000009FC000-memory.dmp

Filesize
1008KB

Download
memory/764-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/764-3-0x00000000003D0000-0x00000000003EC000-memory.dmp

Filesize
112KB

Download
memory/764-4-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/764-5-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/764-6-0x0000000005470000-0x0000000005534000-memory.dmp

Filesize
784KB

Download
memory/764-24-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2764-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2764-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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