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 1692 set thread context of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe
1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4884	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 708	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	87
PID 1692 wrote to memory of 708	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	87
PID 1692 wrote to memory of 708	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	87
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88
PID 1692 wrote to memory of 4884	1692	09b8a42bcf04f1feb2f7c1cf671a5f9d.exe	88

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\09b8a42bcf04f1feb2f7c1cf671a5f9d.exe
  "C:\Users\Admin\AppData\Local\Temp\09b8a42bcf04f1feb2f7c1cf671a5f9d.exe"
  2⤵
  PID:708
- 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:4884

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
3d6291134d6543877d99d1b9c4f5d96f

SHA1
db15882b61a88cc6e09b11eff8a8d1182fed7de2

SHA256
05aaca8543b6f7460b19d057ebf963be3ba9905c64433d3bef47d9ac79587939

SHA512
ba0ba76c2a7c0aaa36853f9f894edc32836e919428ccff668d583486e5c7b67a0092cf05ac0dbdda0db9db75aa59127fcd16083d4a1c2d0e40c1f33c302a1f9b

Download Submit
memory/1692-6-0x0000000005450000-0x00000000054EC000-memory.dmp

Filesize
624KB

Download
memory/1692-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/1692-3-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/1692-4-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/1692-5-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/1692-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/1692-7-0x00000000058F0000-0x000000000590C000-memory.dmp

Filesize
112KB

Download
memory/1692-8-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/1692-9-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/1692-10-0x0000000006B90000-0x0000000006C54000-memory.dmp

Filesize
784KB

Download
memory/1692-1-0x0000000000900000-0x00000000009FC000-memory.dmp

Filesize
1008KB

Download
memory/1692-21-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/4884-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4884-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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